./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3720287136 <...> [pid 5449] ioctl(4, LOOP_SET_FD, 3 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5448, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5453] <... chdir resumed>) = 0 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5453] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] <... restart_syscall resumed>) = 0 [pid 5453] <... prctl resumed>) = 0 [pid 5453] setpgid(0, 0) = 0 [pid 5072] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5453] <... openat resumed>) = 3 [pid 5072] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5453] write(3, "1000", 4 [pid 5072] <... openat resumed>) = 3 [pid 5453] <... write resumed>) = 4 [pid 5072] fstat(3, [pid 5453] close(3 [pid 5449] <... ioctl resumed>) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5453] <... close resumed>) = 0 [pid 5072] getdents64(3, [pid 5451] <... ioctl resumed>) = 0 [pid 5453] symlink("/dev/binderfs", "./binderfs" [pid 5451] close(3 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5453] <... symlink resumed>) = 0 [pid 5451] <... close resumed>) = 0 [pid 5072] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5453] memfd_create("syzkaller", 0 [pid 5451] mkdir("./file0", 0777 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5453] <... memfd_create resumed>) = 3 [pid 5451] <... mkdir resumed>) = 0 [pid 5072] lstat("./63/binderfs", [pid 5453] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5451] mount("/dev/loop1", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5453] <... mmap resumed>) = 0x7fdf55e96000 [pid 5449] close(3 [pid 5072] unlink("./63/binderfs" [pid 5450] <... write resumed>) = 2097152 [pid 5449] <... close resumed>) = 0 [pid 5072] <... unlink resumed>) = 0 [pid 5449] mkdir("./file0", 0777 [pid 5072] umount2("./63/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5452] <... write resumed>) = 2097152 [pid 5449] <... mkdir resumed>) = 0 [pid 5450] munmap(0x7fdf55e96000, 2097152 [ 91.772320][ T5451] loop1: detected capacity change from 0 to 4096 [ 91.787282][ T5449] loop4: detected capacity change from 0 to 4096 [ 91.802593][ T5451] ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) [pid 5449] mount("/dev/loop4", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5452] munmap(0x7fdf55e96000, 2097152 [pid 5450] <... munmap resumed>) = 0 [pid 5450] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5452] <... munmap resumed>) = 0 [pid 5072] <... umount2 resumed>) = 0 [pid 5072] umount2("./63/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5450] ioctl(4, LOOP_SET_FD, 3 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./63/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./63/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./63/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, 0x555556583660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, 0x555556583660 /* 0 entries */, 32768) = 0 [pid 5072] close(4 [pid 5452] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5450] <... ioctl resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 5072] rmdir("./63/file0" [pid 5452] <... openat resumed>) = 4 [pid 5450] close(3 [pid 5072] <... rmdir resumed>) = 0 [pid 5452] ioctl(4, LOOP_SET_FD, 3 [pid 5450] <... close resumed>) = 0 [pid 5072] getdents64(3, 0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [pid 5072] rmdir("./63") = 0 [pid 5072] mkdir("./64", 0777) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5453] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5452] <... ioctl resumed>) = 0 [pid 5450] mkdir("./file0", 0777 [pid 5449] <... mount resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5072] close(3) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555657a5d0) = 5454 ./strace-static-x86_64: Process 5454 attached [pid 5454] chdir("./64") = 0 [pid 5454] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5454] setpgid(0, 0) = 0 [pid 5454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5454] write(3, "1000", 4 [pid 5452] close(3 [pid 5450] <... mkdir resumed>) = 0 [pid 5449] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5452] <... close resumed>) = 0 [pid 5451] <... mount resumed>) = 0 [pid 5450] mount("/dev/loop3", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5449] <... openat resumed>) = 3 [ 91.829568][ T5449] ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512) [ 91.856082][ T5450] loop3: detected capacity change from 0 to 4096 [ 91.872521][ T5452] loop0: detected capacity change from 0 to 4096 [pid 5451] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5449] chdir("./file0" [pid 5454] <... write resumed>) = 4 [pid 5451] <... openat resumed>) = 3 [pid 5454] close(3 [pid 5451] chdir("./file0" [pid 5454] <... close resumed>) = 0 [pid 5451] <... chdir resumed>) = 0 [pid 5454] symlink("/dev/binderfs", "./binderfs" [pid 5451] ioctl(4, LOOP_CLR_FD [pid 5454] <... symlink resumed>) = 0 [pid 5451] <... ioctl resumed>) = 0 [pid 5454] memfd_create("syzkaller", 0 [pid 5451] close(4) = 0 [pid 5454] <... memfd_create resumed>) = 3 [pid 5451] exit_group(0 [pid 5454] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5451] <... exit_group resumed>) = ? [pid 5449] <... chdir resumed>) = 0 [pid 5454] <... mmap resumed>) = 0x7fdf55e96000 [pid 5452] mkdir("./file0", 0777 [pid 5451] +++ exited with 0 +++ [pid 5449] ioctl(4, LOOP_CLR_FD [pid 5452] <... mkdir resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5451, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5449] <... ioctl resumed>) = 0 [pid 5452] mount("/dev/loop0", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5449] close(4 [pid 5068] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5449] <... close resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5068] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] getdents64(3, 0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5068] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] lstat("./60/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] unlink("./60/binderfs") = 0 [pid 5068] umount2("./60/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5449] exit_group(0) = ? [pid 5449] +++ exited with 0 +++ [pid 5068] <... umount2 resumed>) = 0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5449, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5071] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5450] <... mount resumed>) = 0 [pid 5071] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, 0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5450] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5450] <... openat resumed>) = 3 [pid 5071] lstat("./62/binderfs", [pid 5450] chdir("./file0" [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./62/binderfs" [pid 5450] <... chdir resumed>) = 0 [pid 5071] <... unlink resumed>) = 0 [pid 5071] umount2("./62/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5450] ioctl(4, LOOP_CLR_FD) = 0 [pid 5450] close(4) = 0 [ 91.906098][ T5450] ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) [ 91.931436][ T5452] ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) [pid 5450] exit_group(0 [pid 5071] <... umount2 resumed>) = 0 [pid 5450] <... exit_group resumed>) = ? [pid 5068] umount2("./60/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] lstat("./60/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] umount2("./60/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./60/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5450] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5450, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=4 /* 0.04 s */} --- [pid 5068] <... openat resumed>) = 4 [pid 5453] <... write resumed>) = 2097152 [pid 5068] fstat(4, [pid 5070] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5453] munmap(0x7fdf55e96000, 2097152 [pid 5070] <... openat resumed>) = 3 [pid 5068] getdents64(4, [pid 5452] <... mount resumed>) = 0 [pid 5070] fstat(3, [pid 5068] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5452] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] umount2("./62/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] getdents64(4, [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] getdents64(3, [pid 5068] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5453] <... munmap resumed>) = 0 [pid 5452] <... openat resumed>) = 3 [pid 5071] lstat("./62/file0", [pid 5070] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5068] close(4 [pid 5452] chdir("./file0" [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... close resumed>) = 0 [pid 5071] umount2("./62/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] rmdir("./60/file0" [pid 5453] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5452] <... chdir resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./62/binderfs", [pid 5068] <... rmdir resumed>) = 0 [pid 5454] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5453] <... openat resumed>) = 4 [pid 5452] ioctl(4, LOOP_CLR_FD [pid 5071] openat(AT_FDCWD, "./62/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] getdents64(3, [pid 5453] ioctl(4, LOOP_SET_FD, 3 [pid 5071] <... openat resumed>) = 4 [pid 5070] unlink("./62/binderfs" [pid 5068] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5452] <... ioctl resumed>) = 0 [pid 5071] fstat(4, [pid 5070] <... unlink resumed>) = 0 [pid 5068] close(3 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./62/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... close resumed>) = 0 [pid 5452] close(4 [pid 5071] getdents64(4, [pid 5070] <... umount2 resumed>) = 0 [pid 5068] rmdir("./60" [pid 5453] <... ioctl resumed>) = 0 [pid 5452] <... close resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5453] close(3 [pid 5452] exit_group(0 [pid 5071] getdents64(4, [pid 5070] umount2("./62/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... rmdir resumed>) = 0 [pid 5453] <... close resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5068] mkdir("./61", 0777 [pid 5453] mkdir("./file0", 0777 [pid 5452] <... exit_group resumed>) = ? [pid 5071] close(4 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... mkdir resumed>) = 0 [pid 5453] <... mkdir resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5453] mount("/dev/loop2", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5071] rmdir("./62/file0" [pid 5068] <... openat resumed>) = 3 [pid 5452] +++ exited with 0 +++ [pid 5071] <... rmdir resumed>) = 0 [pid 5070] lstat("./62/file0", [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5071] getdents64(3, [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5071] close(3 [pid 5068] close(3 [pid 5071] <... close resumed>) = 0 [pid 5071] rmdir("./62" [pid 5068] <... close resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5452, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5071] mkdir("./63", 0777 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... mkdir resumed>) = 0 [pid 5070] umount2("./62/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5455 [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5070] openat(AT_FDCWD, "./62/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] close(3 [pid 5070] <... openat resumed>) = 4 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... close resumed>) = 0 [pid 5070] fstat(4, [pid 5067] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(4, [pid 5067] <... openat resumed>) = 3 [pid 5454] <... write resumed>) = 2097152 [pid 5071] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5456 [pid 5070] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5067] fstat(3, [pid 5070] getdents64(4, 0x555556583660 /* 0 entries */, 32768) = 0 [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] close(4 [pid 5067] getdents64(3, [pid 5070] <... close resumed>) = 0 [pid 5067] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5070] rmdir("./62/file0" [pid 5067] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5455 attached [pid 5455] chdir("./61" [pid 5070] <... rmdir resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5455] <... chdir resumed>) = 0 [pid 5070] getdents64(3, [pid 5067] lstat("./60/binderfs", [pid 5455] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5455] <... prctl resumed>) = 0 [pid 5070] close(3 [pid 5067] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5455] setpgid(0, 0 [pid 5070] <... close resumed>) = 0 [pid 5067] unlink("./60/binderfs" [pid 5455] <... setpgid resumed>) = 0 [pid 5070] rmdir("./62" [pid 5455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5067] <... unlink resumed>) = 0 [pid 5455] <... openat resumed>) = 3 [pid 5070] <... rmdir resumed>) = 0 [pid 5067] umount2("./60/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5455] write(3, "1000", 4 [pid 5070] mkdir("./63", 0777 [pid 5455] <... write resumed>) = 4 [pid 5455] close(3 [pid 5454] munmap(0x7fdf55e96000, 2097152 [pid 5455] <... close resumed>) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 5455] symlink("/dev/binderfs", "./binderfs" [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5455] <... symlink resumed>) = 0 [pid 5455] memfd_create("syzkaller", 0 [pid 5070] <... openat resumed>) = 3 [pid 5455] <... memfd_create resumed>) = 3 [pid 5455] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [ 92.013929][ T5453] loop2: detected capacity change from 0 to 4096 [ 92.049305][ T5453] ntfs3: loop2: Different NTFS' sector size (1024) and media sector size (512) [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5455] <... mmap resumed>) = 0x7fdf55e96000 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] close(3 [pid 5454] <... munmap resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5454] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5454] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5456 attached [pid 5067] <... umount2 resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5457 [pid 5456] chdir("./63"./strace-static-x86_64: Process 5457 attached [pid 5457] chdir("./63" [pid 5456] <... chdir resumed>) = 0 [pid 5067] umount2("./60/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5456] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5457] <... chdir resumed>) = 0 [pid 5456] <... prctl resumed>) = 0 [pid 5457] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5456] setpgid(0, 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5457] <... prctl resumed>) = 0 [pid 5456] <... setpgid resumed>) = 0 [pid 5457] setpgid(0, 0) = 0 [pid 5456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5067] lstat("./60/file0", [pid 5457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5456] <... openat resumed>) = 3 [pid 5453] <... mount resumed>) = 0 [pid 5457] <... openat resumed>) = 3 [pid 5453] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5457] write(3, "1000", 4 [pid 5456] write(3, "1000", 4 [pid 5453] <... openat resumed>) = 3 [pid 5067] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5457] <... write resumed>) = 4 [pid 5453] chdir("./file0" [pid 5457] close(3 [pid 5453] <... chdir resumed>) = 0 [pid 5457] <... close resumed>) = 0 [pid 5457] symlink("/dev/binderfs", "./binderfs" [pid 5453] ioctl(4, LOOP_CLR_FD [pid 5457] <... symlink resumed>) = 0 [pid 5456] <... write resumed>) = 4 [pid 5453] <... ioctl resumed>) = 0 [pid 5067] umount2("./60/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5457] memfd_create("syzkaller", 0 [pid 5456] close(3 [pid 5454] <... ioctl resumed>) = 0 [pid 5453] close(4 [pid 5457] <... memfd_create resumed>) = 3 [pid 5454] close(3 [pid 5453] <... close resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5457] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5456] <... close resumed>) = 0 [pid 5454] <... close resumed>) = 0 [pid 5453] exit_group(0 [pid 5067] openat(AT_FDCWD, "./60/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5457] <... mmap resumed>) = 0x7fdf55e96000 [pid 5456] symlink("/dev/binderfs", "./binderfs" [pid 5454] mkdir("./file0", 0777 [pid 5453] <... exit_group resumed>) = ? [pid 5456] <... symlink resumed>) = 0 [pid 5454] <... mkdir resumed>) = 0 [pid 5453] +++ exited with 0 +++ [pid 5067] <... openat resumed>) = 4 [pid 5454] mount("/dev/loop5", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5456] memfd_create("syzkaller", 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5453, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [ 92.101209][ T5454] loop5: detected capacity change from 0 to 4096 [pid 5067] fstat(4, [pid 5456] <... memfd_create resumed>) = 3 [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5456] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5067] getdents64(4, [pid 5456] <... mmap resumed>) = 0x7fdf55e96000 [pid 5067] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5455] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5067] getdents64(4, [pid 5069] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] close(4 [pid 5069] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... close resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5069] fstat(3, [pid 5067] rmdir("./60/file0" [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5069] getdents64(3, [pid 5067] getdents64(3, [pid 5069] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5457] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] close(3 [pid 5069] lstat("./62/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5067] <... close resumed>) = 0 [pid 5069] unlink("./62/binderfs" [pid 5067] rmdir("./60" [pid 5069] <... unlink resumed>) = 0 [pid 5069] umount2("./62/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... rmdir resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5067] mkdir("./61", 0777 [pid 5069] umount2("./62/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] <... mkdir resumed>) = 0 [pid 5069] lstat("./62/file0", [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5069] umount2("./62/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 92.152974][ T5454] ntfs3: loop5: Different NTFS' sector size (1024) and media sector size (512) [pid 5069] openat(AT_FDCWD, "./62/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] <... openat resumed>) = 4 [pid 5067] close(3 [pid 5069] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... close resumed>) = 0 [pid 5069] getdents64(4, [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, [pid 5454] <... mount resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5458 [pid 5454] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5069] close(4 [pid 5454] <... openat resumed>) = 3 [pid 5069] <... close resumed>) = 0 [pid 5454] chdir("./file0" [pid 5069] rmdir("./62/file0"./strace-static-x86_64: Process 5458 attached [pid 5454] <... chdir resumed>) = 0 [pid 5458] chdir("./61" [pid 5454] ioctl(4, LOOP_CLR_FD [pid 5458] <... chdir resumed>) = 0 [pid 5454] <... ioctl resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5458] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5454] close(4 [pid 5069] getdents64(3, [pid 5458] <... prctl resumed>) = 0 [pid 5454] <... close resumed>) = 0 [pid 5458] setpgid(0, 0 [pid 5454] exit_group(0 [pid 5069] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5458] <... setpgid resumed>) = 0 [pid 5454] <... exit_group resumed>) = ? [pid 5069] close(3 [pid 5458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5454] +++ exited with 0 +++ [pid 5069] <... close resumed>) = 0 [pid 5458] <... openat resumed>) = 3 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5454, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=5 /* 0.05 s */} --- [pid 5069] rmdir("./62" [pid 5458] write(3, "1000", 4 [pid 5069] <... rmdir resumed>) = 0 [pid 5458] <... write resumed>) = 4 [pid 5069] mkdir("./63", 0777 [pid 5458] close(3 [pid 5072] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5458] <... close resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... mkdir resumed>) = 0 [pid 5458] symlink("/dev/binderfs", "./binderfs" [pid 5072] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5458] <... symlink resumed>) = 0 [pid 5455] <... write resumed>) = 2097152 [pid 5072] <... openat resumed>) = 3 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5458] memfd_create("syzkaller", 0 [pid 5072] fstat(3, [pid 5069] <... openat resumed>) = 3 [pid 5458] <... memfd_create resumed>) = 3 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5458] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] getdents64(3, [pid 5069] <... ioctl resumed>) = 0 [pid 5458] <... mmap resumed>) = 0x7fdf55e96000 [pid 5455] munmap(0x7fdf55e96000, 2097152 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5069] close(3 [pid 5455] <... munmap resumed>) = 0 [pid 5072] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./64/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] unlink("./64/binderfs") = 0 [pid 5072] umount2("./64/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5455] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5455] ioctl(4, LOOP_SET_FD, 3 [pid 5456] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5072] <... umount2 resumed>) = 0 [pid 5072] umount2("./64/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./64/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./64/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5457] <... write resumed>) = 2097152 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./64/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5069] <... close resumed>) = 0 [pid 5457] munmap(0x7fdf55e96000, 2097152 [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] getdents64(4, 0x555556583660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, 0x555556583660 /* 0 entries */, 32768) = 0 [pid 5455] <... ioctl resumed>) = 0 [pid 5072] close(4 [pid 5455] close(3 [pid 5072] <... close resumed>) = 0 [pid 5455] <... close resumed>) = 0 [pid 5072] rmdir("./64/file0" [pid 5455] mkdir("./file0", 0777 [pid 5072] <... rmdir resumed>) = 0 [pid 5457] <... munmap resumed>) = 0 [pid 5455] <... mkdir resumed>) = 0 [pid 5072] getdents64(3, [pid 5069] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5459 [pid 5457] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5455] mount("/dev/loop1", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5072] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5457] <... openat resumed>) = 4 [pid 5072] close(3 [pid 5457] ioctl(4, LOOP_SET_FD, 3 [pid 5072] <... close resumed>) = 0 [ 92.280128][ T5455] loop1: detected capacity change from 0 to 4096 [ 92.316900][ T5455] ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) ./strace-static-x86_64: Process 5459 attached [pid 5457] <... ioctl resumed>) = 0 [pid 5072] rmdir("./64" [pid 5459] chdir("./63" [pid 5072] <... rmdir resumed>) = 0 [pid 5072] mkdir("./65", 0777 [pid 5459] <... chdir resumed>) = 0 [pid 5072] <... mkdir resumed>) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5072] close(3) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5459] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5460 [pid 5459] setpgid(0, 0) = 0 [pid 5458] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5460 attached [pid 5460] chdir("./65" [pid 5459] <... openat resumed>) = 3 [pid 5460] <... chdir resumed>) = 0 [pid 5460] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5459] write(3, "1000", 4 [pid 5460] <... prctl resumed>) = 0 [pid 5459] <... write resumed>) = 4 [pid 5460] setpgid(0, 0) = 0 [pid 5459] close(3 [pid 5460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5459] <... close resumed>) = 0 [pid 5460] <... openat resumed>) = 3 [pid 5459] symlink("/dev/binderfs", "./binderfs" [pid 5457] close(3 [pid 5460] write(3, "1000", 4 [pid 5457] <... close resumed>) = 0 [pid 5460] <... write resumed>) = 4 [pid 5459] <... symlink resumed>) = 0 [pid 5457] mkdir("./file0", 0777 [pid 5460] close(3 [pid 5457] <... mkdir resumed>) = 0 [pid 5460] <... close resumed>) = 0 [pid 5460] symlink("/dev/binderfs", "./binderfs" [pid 5459] memfd_create("syzkaller", 0 [pid 5457] mount("/dev/loop3", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5460] <... symlink resumed>) = 0 [ 92.327918][ T5457] loop3: detected capacity change from 0 to 4096 [pid 5459] <... memfd_create resumed>) = 3 [pid 5460] memfd_create("syzkaller", 0 [pid 5459] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5456] <... write resumed>) = 2097152 [pid 5460] <... memfd_create resumed>) = 3 [pid 5459] <... mmap resumed>) = 0x7fdf55e96000 [pid 5460] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5456] munmap(0x7fdf55e96000, 2097152 [pid 5460] <... mmap resumed>) = 0x7fdf55e96000 [pid 5458] <... write resumed>) = 2097152 [ 92.364355][ T5457] ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) [pid 5456] <... munmap resumed>) = 0 [pid 5456] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5455] <... mount resumed>) = 0 [pid 5456] <... openat resumed>) = 4 [pid 5456] ioctl(4, LOOP_SET_FD, 3 [pid 5455] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5455] chdir("./file0") = 0 [pid 5455] ioctl(4, LOOP_CLR_FD) = 0 [pid 5455] close(4) = 0 [pid 5455] exit_group(0) = ? [pid 5455] +++ exited with 0 +++ [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5455, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5068] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5068] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] getdents64(3, 0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5068] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] lstat("./61/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] unlink("./61/binderfs") = 0 [pid 5068] umount2("./61/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5458] munmap(0x7fdf55e96000, 2097152 [pid 5456] <... ioctl resumed>) = 0 [pid 5458] <... munmap resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 5456] close(3) = 0 [pid 5456] mkdir("./file0", 0777 [pid 5458] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5458] ioctl(4, LOOP_SET_FD, 3 [pid 5456] <... mkdir resumed>) = 0 [pid 5456] mount("/dev/loop4", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5068] umount2("./61/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] lstat("./61/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 92.431243][ T5456] loop4: detected capacity change from 0 to 4096 [ 92.468046][ T5458] loop0: detected capacity change from 0 to 4096 [pid 5068] umount2("./61/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5458] <... ioctl resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./61/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5458] close(3) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5458] mkdir("./file0", 0777) = 0 [pid 5068] fstat(4, [pid 5458] mount("/dev/loop0", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] getdents64(4, [pid 5460] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5068] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5068] getdents64(4, 0x555556583660 /* 0 entries */, 32768) = 0 [pid 5068] close(4) = 0 [pid 5068] rmdir("./61/file0") = 0 [pid 5068] getdents64(3, [pid 5459] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5457] <... mount resumed>) = 0 [pid 5068] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5457] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5068] close(3 [pid 5457] <... openat resumed>) = 3 [pid 5068] <... close resumed>) = 0 [pid 5457] chdir("./file0" [pid 5068] rmdir("./61" [pid 5457] <... chdir resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5457] ioctl(4, LOOP_CLR_FD [pid 5068] mkdir("./62", 0777 [pid 5457] <... ioctl resumed>) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 5457] close(4 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5457] <... close resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5457] exit_group(0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5457] <... exit_group resumed>) = ? [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5457] +++ exited with 0 +++ [pid 5068] close(3) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5457, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=3 /* 0.03 s */} --- [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5462 [pid 5070] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5070] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(3, ./strace-static-x86_64: Process 5462 attached 0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5462] chdir("./62" [pid 5070] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5462] <... chdir resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 92.477916][ T5456] ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512) [ 92.487893][ T5458] ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) [pid 5462] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] lstat("./63/binderfs", [pid 5462] <... prctl resumed>) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5462] setpgid(0, 0 [pid 5070] unlink("./63/binderfs" [pid 5462] <... setpgid resumed>) = 0 [pid 5070] <... unlink resumed>) = 0 [pid 5462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] umount2("./63/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5462] <... openat resumed>) = 3 [pid 5462] write(3, "1000", 4) = 4 [pid 5462] close(3) = 0 [pid 5462] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5462] memfd_create("syzkaller", 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5462] <... memfd_create resumed>) = 3 [pid 5070] umount2("./63/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5462] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5462] <... mmap resumed>) = 0x7fdf55e96000 [pid 5460] <... write resumed>) = 2097152 [pid 5070] lstat("./63/file0", [pid 5456] <... mount resumed>) = 0 [pid 5456] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5456] <... openat resumed>) = 3 [pid 5070] umount2("./63/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5460] munmap(0x7fdf55e96000, 2097152 [pid 5459] <... write resumed>) = 2097152 [pid 5456] chdir("./file0" [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5460] <... munmap resumed>) = 0 [pid 5459] munmap(0x7fdf55e96000, 2097152 [pid 5456] <... chdir resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./63/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5458] <... mount resumed>) = 0 [pid 5458] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5459] <... munmap resumed>) = 0 [pid 5458] <... openat resumed>) = 3 [pid 5456] ioctl(4, LOOP_CLR_FD [pid 5070] <... openat resumed>) = 4 [pid 5459] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5458] chdir("./file0" [pid 5456] <... ioctl resumed>) = 0 [pid 5070] fstat(4, [pid 5460] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5459] <... openat resumed>) = 4 [pid 5458] <... chdir resumed>) = 0 [pid 5456] close(4 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5460] <... openat resumed>) = 4 [pid 5459] ioctl(4, LOOP_SET_FD, 3 [pid 5458] ioctl(4, LOOP_CLR_FD [pid 5456] <... close resumed>) = 0 [pid 5460] ioctl(4, LOOP_SET_FD, 3 [pid 5458] <... ioctl resumed>) = 0 [pid 5456] exit_group(0 [pid 5070] getdents64(4, [pid 5458] close(4 [pid 5456] <... exit_group resumed>) = ? [pid 5070] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5458] <... close resumed>) = 0 [pid 5458] exit_group(0) = ? [pid 5456] +++ exited with 0 +++ [pid 5070] getdents64(4, [pid 5458] +++ exited with 0 +++ [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5456, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=6 /* 0.06 s */} --- [pid 5070] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5070] close(4 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5458, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=5 /* 0.05 s */} --- [pid 5070] <... close resumed>) = 0 [pid 5070] rmdir("./63/file0") = 0 [pid 5071] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] getdents64(3, [pid 5459] <... ioctl resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5067] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] close(3 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... openat resumed>) = 3 [pid 5070] <... close resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] fstat(3, [pid 5070] rmdir("./63" [pid 5067] <... openat resumed>) = 3 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5067] fstat(3, [pid 5462] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5460] <... ioctl resumed>) = 0 [pid 5071] getdents64(3, [pid 5070] mkdir("./64", 0777 [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5460] close(3 [pid 5071] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5070] <... mkdir resumed>) = 0 [pid 5067] getdents64(3, [pid 5460] <... close resumed>) = 0 [pid 5459] close(3 [pid 5071] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5067] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5460] mkdir("./file0", 0777 [pid 5459] <... close resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... openat resumed>) = 3 [pid 5067] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5460] <... mkdir resumed>) = 0 [pid 5459] mkdir("./file0", 0777 [pid 5071] lstat("./63/binderfs", [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 92.600594][ T5459] loop2: detected capacity change from 0 to 4096 [ 92.601198][ T5460] loop5: detected capacity change from 0 to 4096 [pid 5460] mount("/dev/loop5", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5459] <... mkdir resumed>) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5067] lstat("./61/binderfs", [pid 5459] mount("/dev/loop2", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5071] unlink("./63/binderfs" [pid 5070] close(3 [pid 5067] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] <... unlink resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5067] unlink("./61/binderfs" [pid 5071] umount2("./63/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... unlink resumed>) = 0 [pid 5067] umount2("./61/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555657a5d0) = 5463 ./strace-static-x86_64: Process 5463 attached [pid 5067] <... umount2 resumed>) = 0 [pid 5067] umount2("./61/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] lstat("./61/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5463] chdir("./64" [pid 5067] umount2("./61/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5463] <... chdir resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5463] prctl(PR_SET_PDEATHSIG, SIGKILL [ 92.656967][ T5460] ntfs3: loop5: Different NTFS' sector size (1024) and media sector size (512) [ 92.669193][ T5459] ntfs3: loop2: Different NTFS' sector size (1024) and media sector size (512) [pid 5067] openat(AT_FDCWD, "./61/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5463] <... prctl resumed>) = 0 [pid 5067] <... openat resumed>) = 4 [pid 5463] setpgid(0, 0 [pid 5067] fstat(4, [pid 5463] <... setpgid resumed>) = 0 [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5067] getdents64(4, [pid 5463] <... openat resumed>) = 3 [pid 5067] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5463] write(3, "1000", 4 [pid 5067] getdents64(4, [pid 5463] <... write resumed>) = 4 [pid 5067] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5463] close(3 [pid 5067] close(4 [pid 5463] <... close resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5463] symlink("/dev/binderfs", "./binderfs" [pid 5067] rmdir("./61/file0" [pid 5463] <... symlink resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5463] memfd_create("syzkaller", 0 [pid 5459] <... mount resumed>) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5067] getdents64(3, [pid 5463] <... memfd_create resumed>) = 3 [pid 5459] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] umount2("./63/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5463] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5067] close(3 [pid 5463] <... mmap resumed>) = 0x7fdf55e96000 [pid 5459] <... openat resumed>) = 3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... close resumed>) = 0 [pid 5067] rmdir("./61") = 0 [pid 5067] mkdir("./62", 0777) = 0 [pid 5459] chdir("./file0" [pid 5071] lstat("./63/file0", [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5459] <... chdir resumed>) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5460] <... mount resumed>) = 0 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5460] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5459] ioctl(4, LOOP_CLR_FD [pid 5460] <... openat resumed>) = 3 [pid 5071] umount2("./63/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] close(3 [pid 5460] chdir("./file0" [pid 5459] <... ioctl resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... close resumed>) = 0 [pid 5462] <... write resumed>) = 2097152 [pid 5460] <... chdir resumed>) = 0 [pid 5459] close(4 [pid 5071] openat(AT_FDCWD, "./63/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5462] munmap(0x7fdf55e96000, 2097152 [pid 5460] ioctl(4, LOOP_CLR_FD [pid 5459] <... close resumed>) = 0 [pid 5071] <... openat resumed>) = 4 [pid 5462] <... munmap resumed>) = 0 [pid 5460] <... ioctl resumed>) = 0 [pid 5459] exit_group(0 [pid 5071] fstat(4, [pid 5067] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5464 [pid 5460] close(4 [pid 5459] <... exit_group resumed>) = ? [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5460] <... close resumed>) = 0 [pid 5460] exit_group(0 [pid 5459] +++ exited with 0 +++ [pid 5071] getdents64(4, [pid 5460] <... exit_group resumed>) = ? [pid 5071] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5460] +++ exited with 0 +++ [pid 5071] getdents64(4, [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5459, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=4 /* 0.04 s */} --- ./strace-static-x86_64: Process 5464 attached [pid 5462] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5460, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=4 /* 0.04 s */} --- [pid 5071] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5069] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5464] chdir("./62" [pid 5462] <... openat resumed>) = 4 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5071] close(4 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5464] <... chdir resumed>) = 0 [pid 5462] ioctl(4, LOOP_SET_FD, 3 [pid 5072] <... restart_syscall resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5464] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] rmdir("./63/file0" [pid 5069] <... openat resumed>) = 3 [pid 5464] <... prctl resumed>) = 0 [pid 5069] fstat(3, [pid 5464] setpgid(0, 0 [pid 5072] umount2("./65", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... rmdir resumed>) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5464] <... setpgid resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] getdents64(3, [pid 5069] getdents64(3, [pid 5464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5069] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5464] <... openat resumed>) = 3 [pid 5072] <... openat resumed>) = 3 [pid 5071] close(3 [pid 5069] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5464] write(3, "1000", 4 [pid 5072] fstat(3, [pid 5071] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5464] <... write resumed>) = 4 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] rmdir("./63" [pid 5069] lstat("./63/binderfs", [pid 5464] close(3 [pid 5072] getdents64(3, [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5464] <... close resumed>) = 0 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5071] <... rmdir resumed>) = 0 [pid 5069] unlink("./63/binderfs" [pid 5464] symlink("/dev/binderfs", "./binderfs" [pid 5072] umount2("./65/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] mkdir("./64", 0777 [pid 5069] <... unlink resumed>) = 0 [pid 5464] <... symlink resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./63/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5464] memfd_create("syzkaller", 0 [pid 5072] lstat("./65/binderfs", [pid 5071] <... mkdir resumed>) = 0 [pid 5464] <... memfd_create resumed>) = 3 [pid 5462] <... ioctl resumed>) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5464] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] unlink("./65/binderfs" [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5464] <... mmap resumed>) = 0x7fdf55e96000 [pid 5462] close(3) = 0 [pid 5072] <... unlink resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5462] mkdir("./file0", 0777 [pid 5072] umount2("./65/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5462] <... mkdir resumed>) = 0 [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 92.781364][ T5462] loop1: detected capacity change from 0 to 4096 [pid 5071] close(3 [pid 5462] mount("/dev/loop1", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5072] <... umount2 resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5463] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] umount2("./65/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./65/file0", [pid 5071] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5465 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./65/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./65/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5069] umount2("./63/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, 0x555556583660 /* 2 entries */, 32768) = 48 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] getdents64(4, 0x555556583660 /* 0 entries */, 32768) = 0 [pid 5072] close(4 [pid 5069] lstat("./63/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./63/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./63/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... close resumed>) = 0 [pid 5069] <... openat resumed>) = 4 [pid 5072] rmdir("./65/file0"./strace-static-x86_64: Process 5465 attached [pid 5069] fstat(4, [pid 5465] chdir("./64" [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5465] <... chdir resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5069] getdents64(4, [pid 5465] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] getdents64(3, [pid 5069] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5465] <... prctl resumed>) = 0 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5069] getdents64(4, [pid 5465] setpgid(0, 0 [pid 5072] close(3 [pid 5069] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5465] <... setpgid resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 5069] close(4 [pid 5465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] rmdir("./65" [pid 5069] <... close resumed>) = 0 [pid 5465] <... openat resumed>) = 3 [pid 5072] <... rmdir resumed>) = 0 [pid 5069] rmdir("./63/file0" [pid 5465] write(3, "1000", 4 [pid 5072] mkdir("./66", 0777 [pid 5069] <... rmdir resumed>) = 0 [pid 5465] <... write resumed>) = 4 [pid 5069] getdents64(3, [pid 5465] close(3 [pid 5072] <... mkdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5465] <... close resumed>) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5069] close(3 [pid 5465] symlink("/dev/binderfs", "./binderfs" [pid 5463] <... write resumed>) = 2097152 [pid 5072] <... openat resumed>) = 3 [pid 5069] <... close resumed>) = 0 [pid 5465] <... symlink resumed>) = 0 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5069] rmdir("./63" [pid 5465] memfd_create("syzkaller", 0 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] <... rmdir resumed>) = 0 [pid 5465] <... memfd_create resumed>) = 3 [pid 5464] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5072] close(3 [pid 5069] mkdir("./64", 0777 [pid 5465] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] <... mkdir resumed>) = 0 [ 92.847553][ T5462] ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) [pid 5465] <... mmap resumed>) = 0x7fdf55e96000 [pid 5072] <... close resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... openat resumed>) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] close(3 [pid 5072] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5466 [pid 5069] <... close resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555657a5d0) = 5467 ./strace-static-x86_64: Process 5467 attached [pid 5467] chdir("./64") = 0 ./strace-static-x86_64: Process 5466 attached [pid 5467] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5466] chdir("./66" [pid 5467] setpgid(0, 0 [pid 5466] <... chdir resumed>) = 0 [pid 5462] <... mount resumed>) = 0 [pid 5467] <... setpgid resumed>) = 0 [pid 5466] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5462] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5466] <... prctl resumed>) = 0 [pid 5462] <... openat resumed>) = 3 [pid 5467] <... openat resumed>) = 3 [pid 5466] setpgid(0, 0 [pid 5463] munmap(0x7fdf55e96000, 2097152 [pid 5462] chdir("./file0" [pid 5467] write(3, "1000", 4 [pid 5466] <... setpgid resumed>) = 0 [pid 5463] <... munmap resumed>) = 0 [pid 5462] <... chdir resumed>) = 0 [pid 5467] <... write resumed>) = 4 [pid 5466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5462] ioctl(4, LOOP_CLR_FD [pid 5467] close(3 [pid 5466] <... openat resumed>) = 3 [pid 5462] <... ioctl resumed>) = 0 [pid 5467] <... close resumed>) = 0 [pid 5466] write(3, "1000", 4 [pid 5462] close(4 [pid 5467] symlink("/dev/binderfs", "./binderfs" [pid 5466] <... write resumed>) = 4 [pid 5463] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5462] <... close resumed>) = 0 [pid 5467] <... symlink resumed>) = 0 [pid 5466] close(3 [pid 5463] <... openat resumed>) = 4 [pid 5462] exit_group(0 [pid 5467] memfd_create("syzkaller", 0 [pid 5466] <... close resumed>) = 0 [pid 5463] ioctl(4, LOOP_SET_FD, 3 [pid 5462] <... exit_group resumed>) = ? [pid 5467] <... memfd_create resumed>) = 3 [pid 5466] symlink("/dev/binderfs", "./binderfs" [pid 5464] <... write resumed>) = 2097152 [pid 5462] +++ exited with 0 +++ [pid 5467] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 [pid 5466] <... symlink resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5462, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5464] munmap(0x7fdf55e96000, 2097152 [pid 5466] memfd_create("syzkaller", 0 [pid 5464] <... munmap resumed>) = 0 [pid 5466] <... memfd_create resumed>) = 3 [pid 5464] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5466] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 [pid 5464] <... openat resumed>) = 4 [pid 5463] <... ioctl resumed>) = 0 [pid 5463] close(3) = 0 [pid 5463] mkdir("./file0", 0777 [pid 5068] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5464] ioctl(4, LOOP_SET_FD, 3 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5465] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5463] <... mkdir resumed>) = 0 [pid 5463] mount("/dev/loop3", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5464] <... ioctl resumed>) = 0 [ 92.964966][ T5463] loop3: detected capacity change from 0 to 4096 [ 92.999714][ T5464] loop0: detected capacity change from 0 to 4096 [pid 5068] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5464] close(3 [pid 5068] <... openat resumed>) = 3 [pid 5464] <... close resumed>) = 0 [pid 5068] fstat(3, [pid 5464] mkdir("./file0", 0777 [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5464] <... mkdir resumed>) = 0 [pid 5464] mount("/dev/loop0", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5068] getdents64(3, 0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5068] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] lstat("./62/binderfs", [pid 5466] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5467] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5068] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] unlink("./62/binderfs") = 0 [pid 5068] umount2("./62/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5465] <... write resumed>) = 2097152 [ 93.008964][ T5463] ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) [ 93.023301][ T5464] ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) [pid 5465] munmap(0x7fdf55e96000, 2097152) = 0 [pid 5465] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5465] ioctl(4, LOOP_SET_FD, 3 [pid 5467] <... write resumed>) = 2097152 [pid 5464] <... mount resumed>) = 0 [pid 5464] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5068] <... umount2 resumed>) = 0 [pid 5464] <... openat resumed>) = 3 [pid 5464] chdir("./file0" [pid 5068] umount2("./62/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5464] <... chdir resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5464] ioctl(4, LOOP_CLR_FD [pid 5068] lstat("./62/file0", [pid 5464] <... ioctl resumed>) = 0 [pid 5068] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5464] close(4 [pid 5068] umount2("./62/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5467] munmap(0x7fdf55e96000, 2097152 [pid 5466] <... write resumed>) = 2097152 [pid 5465] <... ioctl resumed>) = 0 [pid 5464] <... close resumed>) = 0 [pid 5463] <... mount resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5466] munmap(0x7fdf55e96000, 2097152 [pid 5465] close(3 [pid 5464] exit_group(0 [pid 5463] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5068] openat(AT_FDCWD, "./62/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5466] <... munmap resumed>) = 0 [pid 5465] <... close resumed>) = 0 [pid 5464] <... exit_group resumed>) = ? [pid 5463] <... openat resumed>) = 3 [pid 5068] <... openat resumed>) = 4 [pid 5467] <... munmap resumed>) = 0 [pid 5466] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5465] mkdir("./file0", 0777 [pid 5464] +++ exited with 0 +++ [pid 5463] chdir("./file0" [pid 5068] fstat(4, [pid 5467] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5466] <... openat resumed>) = 4 [pid 5465] <... mkdir resumed>) = 0 [pid 5463] <... chdir resumed>) = 0 [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5464, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [ 93.092636][ T5465] loop4: detected capacity change from 0 to 4096 [pid 5467] <... openat resumed>) = 4 [pid 5466] ioctl(4, LOOP_SET_FD, 3 [pid 5465] mount("/dev/loop4", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5463] ioctl(4, LOOP_CLR_FD [pid 5068] getdents64(4, [pid 5467] ioctl(4, LOOP_SET_FD, 3 [pid 5463] <... ioctl resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5463] close(4 [pid 5068] getdents64(4, [pid 5463] <... close resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5463] exit_group(0 [pid 5068] close(4 [pid 5463] <... exit_group resumed>) = ? [pid 5068] <... close resumed>) = 0 [pid 5463] +++ exited with 0 +++ [pid 5068] rmdir("./62/file0" [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5463, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5068] <... rmdir resumed>) = 0 [pid 5068] getdents64(3, 0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5466] <... ioctl resumed>) = 0 [pid 5070] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] close(3 [pid 5466] close(3 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... close resumed>) = 0 [pid 5466] <... close resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] rmdir("./62" [pid 5466] mkdir("./file0", 0777 [pid 5070] <... openat resumed>) = 3 [pid 5068] <... rmdir resumed>) = 0 [pid 5466] <... mkdir resumed>) = 0 [pid 5070] fstat(3, [pid 5068] mkdir("./63", 0777 [pid 5466] mount("/dev/loop5", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 5070] getdents64(3, [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5070] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5068] <... openat resumed>) = 3 [pid 5070] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5067] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] lstat("./64/binderfs", [pid 5068] close(3 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] unlink("./64/binderfs" [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... unlink resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5070] umount2("./64/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5468 [pid 5067] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] getdents64(3, 0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5067] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] lstat("./62/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5067] unlink("./62/binderfs") = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5067] umount2("./62/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./64/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./64/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./64/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./64/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5070] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(4, 0x555556583660 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, 0x555556583660 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 5070] rmdir("./64/file0") = 0 [pid 5070] getdents64(3, 0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5070] close(3 [pid 5467] <... ioctl resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5467] close(3 [pid 5070] rmdir("./64"./strace-static-x86_64: Process 5468 attached [pid 5467] <... close resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5467] mkdir("./file0", 0777 [pid 5070] mkdir("./65", 0777 [pid 5468] chdir("./63" [pid 5467] <... mkdir resumed>) = 0 [pid 5070] <... mkdir resumed>) = 0 [ 93.134829][ T5466] loop5: detected capacity change from 0 to 4096 [ 93.143132][ T5465] ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512) [ 93.143566][ T5467] loop2: detected capacity change from 0 to 4096 [ 93.172255][ T5466] ntfs3: loop5: Different NTFS' sector size (1024) and media sector size (512) [pid 5467] mount("/dev/loop2", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5468] <... chdir resumed>) = 0 [pid 5468] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5468] setpgid(0, 0) = 0 [pid 5468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5468] write(3, "1000", 4 [pid 5465] <... mount resumed>) = 0 [pid 5468] <... write resumed>) = 4 [pid 5468] close(3) = 0 [pid 5465] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5468] symlink("/dev/binderfs", "./binderfs" [pid 5465] <... openat resumed>) = 3 [pid 5468] <... symlink resumed>) = 0 [pid 5465] chdir("./file0" [pid 5468] memfd_create("syzkaller", 0 [pid 5465] <... chdir resumed>) = 0 [pid 5468] <... memfd_create resumed>) = 3 [pid 5465] ioctl(4, LOOP_CLR_FD [pid 5466] <... mount resumed>) = 0 [pid 5465] <... ioctl resumed>) = 0 [pid 5468] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5466] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5465] close(4 [pid 5468] <... mmap resumed>) = 0x7fdf55e96000 [pid 5466] <... openat resumed>) = 3 [pid 5465] <... close resumed>) = 0 [pid 5466] chdir("./file0") = 0 [pid 5465] exit_group(0 [pid 5466] ioctl(4, LOOP_CLR_FD [pid 5465] <... exit_group resumed>) = ? [pid 5466] <... ioctl resumed>) = 0 [pid 5466] close(4) = 0 [pid 5466] exit_group(0) = ? [pid 5466] +++ exited with 0 +++ [pid 5067] <... umount2 resumed>) = 0 [pid 5067] umount2("./62/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5466, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=6 /* 0.06 s */} --- [pid 5072] umount2("./66", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5465] +++ exited with 0 +++ [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5465, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=7 /* 0.07 s */} --- [pid 5067] lstat("./62/file0", [pid 5072] <... openat resumed>) = 3 [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 5072] fstat(3, [pid 5071] <... restart_syscall resumed>) = 0 [pid 5067] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(3, [pid 5067] umount2("./62/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./66/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] openat(AT_FDCWD, "./62/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] lstat("./66/binderfs", [pid 5071] <... openat resumed>) = 3 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] fstat(3, [pid 5067] <... openat resumed>) = 4 [pid 5072] unlink("./66/binderfs" [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... unlink resumed>) = 0 [pid 5071] getdents64(3, [pid 5067] fstat(4, [pid 5072] umount2("./66/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 93.215779][ T5467] ntfs3: loop2: Different NTFS' sector size (1024) and media sector size (512) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] getdents64(4, [pid 5071] lstat("./64/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./64/binderfs") = 0 [pid 5070] <... openat resumed>) = 3 [pid 5067] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5071] umount2("./64/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5067] getdents64(4, [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] close(3 [pid 5067] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5070] <... close resumed>) = 0 [pid 5067] close(4 [pid 5071] <... umount2 resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5467] <... mount resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5469 [pid 5467] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5067] rmdir("./62/file0"./strace-static-x86_64: Process 5469 attached [pid 5467] chdir("./file0" [pid 5072] <... umount2 resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5469] chdir("./65" [pid 5467] <... chdir resumed>) = 0 [pid 5072] umount2("./66/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5469] <... chdir resumed>) = 0 [pid 5467] ioctl(4, LOOP_CLR_FD [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] getdents64(3, [pid 5469] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5467] <... ioctl resumed>) = 0 [pid 5072] lstat("./66/file0", [pid 5071] umount2("./64/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5469] <... prctl resumed>) = 0 [pid 5467] close(4 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5469] setpgid(0, 0 [pid 5467] <... close resumed>) = 0 [pid 5072] umount2("./66/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] lstat("./64/file0", [pid 5067] close(3 [pid 5469] <... setpgid resumed>) = 0 [pid 5467] exit_group(0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... close resumed>) = 0 [pid 5469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5467] <... exit_group resumed>) = ? [pid 5072] openat(AT_FDCWD, "./66/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] umount2("./64/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] rmdir("./62" [pid 5469] <... openat resumed>) = 3 [pid 5467] +++ exited with 0 +++ [pid 5072] <... openat resumed>) = 4 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5469] write(3, "1000", 4 [pid 5072] fstat(4, [pid 5071] openat(AT_FDCWD, "./64/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5469] <... write resumed>) = 4 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... openat resumed>) = 4 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5467, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- [pid 5067] <... rmdir resumed>) = 0 [pid 5469] close(3 [pid 5072] getdents64(4, [pid 5071] fstat(4, [pid 5067] mkdir("./63", 0777 [pid 5469] <... close resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5469] symlink("/dev/binderfs", "./binderfs" [pid 5072] getdents64(4, [pid 5071] getdents64(4, [pid 5469] <... symlink resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5071] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5069] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... mkdir resumed>) = 0 [pid 5469] memfd_create("syzkaller", 0 [pid 5072] close(4 [pid 5071] getdents64(4, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5469] <... memfd_create resumed>) = 3 [pid 5072] <... close resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5069] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5469] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] rmdir("./66/file0" [pid 5071] close(4 [pid 5067] <... openat resumed>) = 3 [pid 5469] <... mmap resumed>) = 0x7fdf55e96000 [pid 5072] <... rmdir resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5468] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5072] getdents64(3, [pid 5071] rmdir("./64/file0" [pid 5069] fstat(3, [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] close(3 [pid 5072] close(3 [pid 5071] getdents64(3, [pid 5069] getdents64(3, [pid 5072] <... close resumed>) = 0 [pid 5071] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5067] <... close resumed>) = 0 [pid 5072] rmdir("./66" [pid 5071] close(3 [pid 5069] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] <... rmdir resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5069] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] mkdir("./67", 0777 [pid 5071] rmdir("./64" [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... mkdir resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5069] lstat("./64/binderfs", [pid 5067] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5470 [pid 5072] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5071] mkdir("./65", 0777 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5071] <... mkdir resumed>) = 0 [pid 5069] unlink("./64/binderfs" [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] <... openat resumed>) = 3 [pid 5069] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5470 attached [pid 5072] close(3 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5069] umount2("./64/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5470] chdir("./63" [pid 5072] <... close resumed>) = 0 [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5470] <... chdir resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] close(3 [pid 5470] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] <... close resumed>) = 0 [pid 5470] <... prctl resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5471 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5470] setpgid(0, 0) = 0 [pid 5071] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5472 [pid 5470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5470] write(3, "1000", 4) = 4 [pid 5470] close(3) = 0 [pid 5470] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5470] memfd_create("syzkaller", 0) = 3 [pid 5470] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 [pid 5469] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152./strace-static-x86_64: Process 5471 attached [pid 5471] chdir("./67") = 0 [pid 5471] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5069] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 5472 attached [pid 5471] setpgid(0, 0 [pid 5069] umount2("./64/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5472] chdir("./65" [pid 5471] <... setpgid resumed>) = 0 [pid 5472] <... chdir resumed>) = 0 [pid 5472] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5472] setpgid(0, 0) = 0 [pid 5472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5472] write(3, "1000", 4 [pid 5471] <... openat resumed>) = 3 [pid 5468] <... write resumed>) = 2097152 [pid 5472] <... write resumed>) = 4 [pid 5471] write(3, "1000", 4 [pid 5468] munmap(0x7fdf55e96000, 2097152 [pid 5069] lstat("./64/file0", [pid 5472] close(3) = 0 [pid 5472] symlink("/dev/binderfs", "./binderfs" [pid 5471] <... write resumed>) = 4 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5472] <... symlink resumed>) = 0 [pid 5472] memfd_create("syzkaller", 0) = 3 [pid 5471] close(3 [pid 5468] <... munmap resumed>) = 0 [pid 5069] umount2("./64/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5472] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 [pid 5471] <... close resumed>) = 0 [pid 5468] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5471] symlink("/dev/binderfs", "./binderfs" [pid 5468] <... openat resumed>) = 4 [pid 5069] openat(AT_FDCWD, "./64/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5471] <... symlink resumed>) = 0 [pid 5468] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5069] <... openat resumed>) = 4 [pid 5471] memfd_create("syzkaller", 0 [pid 5069] fstat(4, [pid 5471] <... memfd_create resumed>) = 3 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(4, [pid 5471] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5471] <... mmap resumed>) = 0x7fdf55e96000 [pid 5069] getdents64(4, 0x555556583660 /* 0 entries */, 32768) = 0 [pid 5470] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5469] <... write resumed>) = 2097152 [pid 5468] close(3 [pid 5069] close(4) = 0 [pid 5069] rmdir("./64/file0" [pid 5469] munmap(0x7fdf55e96000, 2097152 [pid 5069] <... rmdir resumed>) = 0 [pid 5468] <... close resumed>) = 0 [pid 5069] getdents64(3, 0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5069] close(3 [pid 5468] mkdir("./file0", 0777 [pid 5069] <... close resumed>) = 0 [pid 5069] rmdir("./64") = 0 [pid 5069] mkdir("./65", 0777 [pid 5468] <... mkdir resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5469] <... munmap resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5468] mount("/dev/loop1", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5069] <... openat resumed>) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] close(3 [pid 5469] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] <... close resumed>) = 0 [ 93.418637][ T5468] loop1: detected capacity change from 0 to 4096 [pid 5469] <... openat resumed>) = 4 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5469] ioctl(4, LOOP_SET_FD, 3 [pid 5069] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5473 ./strace-static-x86_64: Process 5473 attached [pid 5473] chdir("./65") = 0 [pid 5473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5473] setpgid(0, 0) = 0 [pid 5473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5472] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5473] <... openat resumed>) = 3 [pid 5469] <... ioctl resumed>) = 0 [pid 5469] close(3) = 0 [pid 5469] mkdir("./file0", 0777 [pid 5473] write(3, "1000", 4 [pid 5469] <... mkdir resumed>) = 0 [pid 5469] mount("/dev/loop3", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5473] <... write resumed>) = 4 [pid 5471] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5473] close(3) = 0 [pid 5473] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5473] memfd_create("syzkaller", 0) = 3 [pid 5473] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 [pid 5470] <... write resumed>) = 2097152 [ 93.461793][ T5469] loop3: detected capacity change from 0 to 4096 [ 93.463364][ T5468] ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) [ 93.501189][ T5469] ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) [pid 5470] munmap(0x7fdf55e96000, 2097152) = 0 [pid 5470] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5470] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5470] close(3) = 0 [pid 5470] mkdir("./file0", 0777) = 0 [pid 5468] <... mount resumed>) = 0 [pid 5470] mount("/dev/loop0", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5468] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5468] chdir("./file0") = 0 [pid 5468] ioctl(4, LOOP_CLR_FD) = 0 [pid 5468] close(4) = 0 [pid 5468] exit_group(0) = ? [pid 5472] <... write resumed>) = 2097152 [pid 5472] munmap(0x7fdf55e96000, 2097152 [pid 5468] +++ exited with 0 +++ [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5468, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5068] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5472] <... munmap resumed>) = 0 [pid 5469] <... mount resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5472] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5471] <... write resumed>) = 2097152 [pid 5469] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5068] fstat(3, [pid 5472] <... openat resumed>) = 4 [pid 5469] <... openat resumed>) = 3 [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5472] ioctl(4, LOOP_SET_FD, 3 [pid 5469] chdir("./file0" [ 93.569686][ T5470] loop0: detected capacity change from 0 to 4096 [ 93.585969][ T5470] ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) [pid 5068] getdents64(3, [pid 5469] <... chdir resumed>) = 0 [pid 5068] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5472] <... ioctl resumed>) = 0 [pid 5469] ioctl(4, LOOP_CLR_FD [pid 5068] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5469] <... ioctl resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5469] close(4 [pid 5068] lstat("./63/binderfs", [pid 5469] <... close resumed>) = 0 [pid 5068] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5471] munmap(0x7fdf55e96000, 2097152 [pid 5469] exit_group(0 [pid 5068] unlink("./63/binderfs" [pid 5469] <... exit_group resumed>) = ? [pid 5068] <... unlink resumed>) = 0 [pid 5471] <... munmap resumed>) = 0 [pid 5469] +++ exited with 0 +++ [pid 5068] umount2("./63/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5469, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=7 /* 0.07 s */} --- [pid 5068] <... umount2 resumed>) = 0 [pid 5473] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5068] umount2("./63/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] lstat("./63/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] umount2("./63/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5472] close(3 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5472] <... close resumed>) = 0 [pid 5471] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5070] umount2("./65", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] openat(AT_FDCWD, "./63/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5472] mkdir("./file0", 0777 [pid 5471] <... openat resumed>) = 4 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... openat resumed>) = 4 [pid 5472] <... mkdir resumed>) = 0 [pid 5471] ioctl(4, LOOP_SET_FD, 3 [pid 5070] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] fstat(4, [pid 5472] mount("/dev/loop4", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5070] <... openat resumed>) = 3 [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] fstat(3, [pid 5068] getdents64(4, [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(3, [pid 5068] getdents64(4, [pid 5070] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5068] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5070] umount2("./65/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] close(4 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... close resumed>) = 0 [pid 5070] lstat("./65/binderfs", [pid 5068] rmdir("./63/file0" [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5070] unlink("./65/binderfs" [pid 5068] getdents64(3, [pid 5070] <... unlink resumed>) = 0 [pid 5068] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5070] umount2("./65/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] close(3) = 0 [ 93.629028][ T5472] loop4: detected capacity change from 0 to 4096 [ 93.667225][ T5471] loop5: detected capacity change from 0 to 4096 [pid 5068] rmdir("./63" [pid 5471] <... ioctl resumed>) = 0 [pid 5470] <... mount resumed>) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5470] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5068] mkdir("./64", 0777 [pid 5473] <... write resumed>) = 2097152 [pid 5471] close(3 [pid 5470] <... openat resumed>) = 3 [pid 5068] <... mkdir resumed>) = 0 [pid 5470] chdir("./file0" [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5471] <... close resumed>) = 0 [pid 5470] <... chdir resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5471] mkdir("./file0", 0777 [pid 5470] ioctl(4, LOOP_CLR_FD [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5470] <... ioctl resumed>) = 0 [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5470] close(4 [pid 5068] close(3 [pid 5471] <... mkdir resumed>) = 0 [pid 5470] <... close resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5470] exit_group(0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5470] <... exit_group resumed>) = ? [pid 5470] +++ exited with 0 +++ [pid 5068] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5474 [pid 5070] umount2("./65/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./65/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./65/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 93.674514][ T5472] ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512) [pid 5070] openat(AT_FDCWD, "./65/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5471] mount("/dev/loop5", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5070] <... openat resumed>) = 4 ./strace-static-x86_64: Process 5474 attached [pid 5473] munmap(0x7fdf55e96000, 2097152 [pid 5070] fstat(4, [pid 5474] chdir("./64" [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5470, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=4 /* 0.04 s */} --- [pid 5070] getdents64(4, 0x555556583660 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, 0x555556583660 /* 0 entries */, 32768) = 0 [pid 5070] close(4 [pid 5473] <... munmap resumed>) = 0 [pid 5474] <... chdir resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 5070] rmdir("./65/file0" [pid 5474] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5473] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5070] <... rmdir resumed>) = 0 [pid 5067] <... restart_syscall resumed>) = 0 [pid 5070] getdents64(3, 0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5474] <... prctl resumed>) = 0 [pid 5473] <... openat resumed>) = 4 [pid 5070] close(3 [pid 5474] setpgid(0, 0 [pid 5070] <... close resumed>) = 0 [pid 5474] <... setpgid resumed>) = 0 [pid 5070] rmdir("./65" [pid 5474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5473] ioctl(4, LOOP_SET_FD, 3 [pid 5070] <... rmdir resumed>) = 0 [pid 5067] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5474] <... openat resumed>) = 3 [pid 5070] mkdir("./66", 0777) = 0 [pid 5474] write(3, "1000", 4 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5474] <... write resumed>) = 4 [pid 5070] <... openat resumed>) = 3 [pid 5067] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5474] close(3 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5474] <... close resumed>) = 0 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5067] <... openat resumed>) = 3 [pid 5474] symlink("/dev/binderfs", "./binderfs" [pid 5070] close(3 [pid 5067] fstat(3, [pid 5474] <... symlink resumed>) = 0 [pid 5472] <... mount resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5472] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5474] memfd_create("syzkaller", 0 [pid 5472] <... openat resumed>) = 3 [pid 5067] getdents64(3, [pid 5474] <... memfd_create resumed>) = 3 [pid 5472] chdir("./file0" [pid 5070] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5475 [pid 5474] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5472] <... chdir resumed>) = 0 [pid 5471] <... mount resumed>) = 0 [pid 5067] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5474] <... mmap resumed>) = 0x7fdf55e96000 [pid 5472] ioctl(4, LOOP_CLR_FD [pid 5471] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5067] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5472] <... ioctl resumed>) = 0 [pid 5471] <... openat resumed>) = 3 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5472] close(4 [pid 5471] chdir("./file0" [pid 5067] lstat("./63/binderfs", [pid 5472] <... close resumed>) = 0 [pid 5471] <... chdir resumed>) = 0 [pid 5472] exit_group(0 [pid 5471] ioctl(4, LOOP_CLR_FD [pid 5067] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5472] <... exit_group resumed>) = ? [pid 5471] <... ioctl resumed>) = 0 [pid 5067] unlink("./63/binderfs" [pid 5472] +++ exited with 0 +++ [pid 5471] close(4) = 0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5472, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5067] <... unlink resumed>) = 0 [pid 5471] exit_group(0 [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 5067] umount2("./63/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5473] <... ioctl resumed>) = 0 [pid 5471] <... exit_group resumed>) = ? [pid 5071] <... restart_syscall resumed>) = 0 [pid 5473] close(3 [pid 5471] +++ exited with 0 +++ [pid 5067] <... umount2 resumed>) = 0 [pid 5473] <... close resumed>) = 0 [ 93.727550][ T5471] ntfs3: loop5: Different NTFS' sector size (1024) and media sector size (512) [ 93.759886][ T5473] loop2: detected capacity change from 0 to 4096 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5471, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5067] umount2("./63/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5473] mkdir("./file0", 0777 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5071] umount2("./65", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... restart_syscall resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] lstat("./63/file0", [pid 5071] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5475 attached [pid 5473] <... mkdir resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5067] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5475] chdir("./66" [pid 5072] umount2("./67", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] fstat(3, [pid 5473] mount("/dev/loop2", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5067] umount2("./63/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5475] <... chdir resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5475] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] getdents64(3, [pid 5067] openat(AT_FDCWD, "./63/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5475] <... prctl resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5071] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5475] setpgid(0, 0 [pid 5072] fstat(3, [pid 5071] umount2("./65/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5475] <... setpgid resumed>) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] getdents64(3, [pid 5071] lstat("./65/binderfs", [pid 5475] <... openat resumed>) = 3 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5475] write(3, "1000", 4 [pid 5072] umount2("./67/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] unlink("./65/binderfs" [pid 5475] <... write resumed>) = 4 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... unlink resumed>) = 0 [pid 5475] close(3 [pid 5072] lstat("./67/binderfs", [pid 5071] umount2("./65/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5475] <... close resumed>) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5475] symlink("/dev/binderfs", "./binderfs" [pid 5072] unlink("./67/binderfs" [pid 5475] <... symlink resumed>) = 0 [pid 5072] <... unlink resumed>) = 0 [pid 5475] memfd_create("syzkaller", 0 [pid 5072] umount2("./67/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5475] <... memfd_create resumed>) = 3 [pid 5067] <... openat resumed>) = 4 [pid 5475] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5067] fstat(4, [pid 5475] <... mmap resumed>) = 0x7fdf55e96000 [pid 5475] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [ 93.812384][ T5473] ntfs3: loop2: Different NTFS' sector size (1024) and media sector size (512) [pid 5474] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5473] <... mount resumed>) = 0 [pid 5072] <... umount2 resumed>) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5067] getdents64(4, [pid 5473] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] umount2("./67/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./65/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5473] <... openat resumed>) = 3 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] getdents64(4, [pid 5473] chdir("./file0" [pid 5072] lstat("./67/file0", [pid 5071] lstat("./65/file0", [pid 5067] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5473] <... chdir resumed>) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] close(4 [pid 5475] <... write resumed>) = 2097152 [pid 5474] <... write resumed>) = 2097152 [pid 5473] ioctl(4, LOOP_CLR_FD [pid 5072] umount2("./67/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./65/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... close resumed>) = 0 [pid 5475] munmap(0x7fdf55e96000, 2097152 [pid 5474] munmap(0x7fdf55e96000, 2097152 [pid 5473] <... ioctl resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] rmdir("./63/file0") = 0 [pid 5067] getdents64(3, 0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5475] <... munmap resumed>) = 0 [pid 5473] close(4 [pid 5072] openat(AT_FDCWD, "./67/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] close(3 [pid 5071] openat(AT_FDCWD, "./65/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5475] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5474] <... munmap resumed>) = 0 [pid 5473] <... close resumed>) = 0 [pid 5072] <... openat resumed>) = 4 [pid 5071] <... openat resumed>) = 4 [pid 5067] <... close resumed>) = 0 [pid 5475] <... openat resumed>) = 4 [pid 5474] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5473] exit_group(0 [pid 5072] fstat(4, [pid 5071] fstat(4, [pid 5067] rmdir("./63" [pid 5475] ioctl(4, LOOP_SET_FD, 3 [pid 5474] <... openat resumed>) = 4 [pid 5473] <... exit_group resumed>) = ? [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5474] ioctl(4, LOOP_SET_FD, 3 [pid 5473] +++ exited with 0 +++ [pid 5072] getdents64(4, [pid 5071] getdents64(4, [pid 5067] <... rmdir resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5071] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, [pid 5071] getdents64(4, [pid 5072] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5071] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5473, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5067] mkdir("./64", 0777 [pid 5072] close(4 [pid 5071] close(4 [pid 5475] <... ioctl resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5475] close(3 [pid 5072] rmdir("./67/file0" [pid 5071] rmdir("./65/file0" [pid 5067] <... mkdir resumed>) = 0 [pid 5475] <... close resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5069] <... restart_syscall resumed>) = 0 [pid 5475] mkdir("./file0", 0777 [pid 5072] getdents64(3, [pid 5071] getdents64(3, [pid 5475] <... mkdir resumed>) = 0 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5071] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5475] mount("/dev/loop3", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5072] close(3 [pid 5071] close(3 [pid 5072] <... close resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5072] rmdir("./67" [pid 5071] rmdir("./65" [pid 5474] <... ioctl resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5069] umount2("./65", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... openat resumed>) = 3 [pid 5072] mkdir("./68", 0777 [pid 5071] mkdir("./66", 0777 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5474] close(3 [pid 5072] <... mkdir resumed>) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5069] <... openat resumed>) = 3 [pid 5067] close(3 [pid 5474] <... close resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5071] <... openat resumed>) = 3 [pid 5069] fstat(3, [pid 5067] <... close resumed>) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] getdents64(3, [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] close(3 [pid 5071] close(3 [pid 5072] <... close resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5067] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5476 [pid 5474] mkdir("./file0", 0777 [pid 5069] umount2("./65/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5477 [pid 5071] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5478 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./65/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] unlink("./65/binderfs") = 0 [pid 5069] umount2("./65/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5476 attached [pid 5476] chdir("./64" [pid 5069] <... umount2 resumed>) = 0 [pid 5474] <... mkdir resumed>) = 0 [ 93.913987][ T5475] loop3: detected capacity change from 0 to 4096 [ 93.923956][ T5474] loop1: detected capacity change from 0 to 4096 [ 93.940958][ T5475] ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) [pid 5069] umount2("./65/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5474] mount("/dev/loop1", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./65/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./65/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5476] <... chdir resumed>) = 0 [pid 5476] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 5478 attached [pid 5476] setpgid(0, 0 [pid 5478] chdir("./66" [pid 5476] <... setpgid resumed>) = 0 [pid 5478] <... chdir resumed>) = 0 [pid 5476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5478] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5476] <... openat resumed>) = 3 [pid 5478] <... prctl resumed>) = 0 [pid 5476] write(3, "1000", 4 [pid 5478] setpgid(0, 0 [pid 5476] <... write resumed>) = 4 [pid 5478] <... setpgid resumed>) = 0 [pid 5476] close(3 [pid 5478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5476] <... close resumed>) = 0 [pid 5478] <... openat resumed>) = 3 [pid 5476] symlink("/dev/binderfs", "./binderfs" [pid 5478] write(3, "1000", 4 [pid 5476] <... symlink resumed>) = 0 [pid 5478] <... write resumed>) = 4 [pid 5476] memfd_create("syzkaller", 0 [pid 5478] close(3 [pid 5476] <... memfd_create resumed>) = 3 [pid 5478] <... close resumed>) = 0 [pid 5476] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] openat(AT_FDCWD, "./65/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5478] symlink("/dev/binderfs", "./binderfs" [pid 5476] <... mmap resumed>) = 0x7fdf55e96000 [pid 5069] <... openat resumed>) = 4 ./strace-static-x86_64: Process 5477 attached [pid 5478] <... symlink resumed>) = 0 [pid 5069] fstat(4, [pid 5478] memfd_create("syzkaller", 0 [pid 5477] chdir("./68" [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5478] <... memfd_create resumed>) = 3 [pid 5477] <... chdir resumed>) = 0 [pid 5069] getdents64(4, [pid 5478] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5477] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5478] <... mmap resumed>) = 0x7fdf55e96000 [pid 5477] <... prctl resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5475] <... mount resumed>) = 0 [pid 5474] <... mount resumed>) = 0 [pid 5477] setpgid(0, 0 [pid 5475] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5474] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5069] getdents64(4, [pid 5477] <... setpgid resumed>) = 0 [pid 5475] <... openat resumed>) = 3 [pid 5474] <... openat resumed>) = 3 [pid 5475] chdir("./file0" [pid 5069] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5475] <... chdir resumed>) = 0 [pid 5475] ioctl(4, LOOP_CLR_FD [pid 5477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5475] <... ioctl resumed>) = 0 [pid 5069] close(4 [pid 5477] <... openat resumed>) = 3 [pid 5475] close(4 [pid 5069] <... close resumed>) = 0 [pid 5477] write(3, "1000", 4 [pid 5475] <... close resumed>) = 0 [pid 5474] chdir("./file0" [pid 5069] rmdir("./65/file0" [pid 5477] <... write resumed>) = 4 [pid 5475] exit_group(0 [pid 5474] <... chdir resumed>) = 0 [pid 5477] close(3 [pid 5475] <... exit_group resumed>) = ? [ 93.972829][ T5474] ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) [pid 5474] ioctl(4, LOOP_CLR_FD [pid 5069] <... rmdir resumed>) = 0 [pid 5477] <... close resumed>) = 0 [pid 5475] +++ exited with 0 +++ [pid 5474] <... ioctl resumed>) = 0 [pid 5069] getdents64(3, [pid 5477] symlink("/dev/binderfs", "./binderfs" [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5475, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5474] close(4 [pid 5069] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5477] <... symlink resumed>) = 0 [pid 5474] <... close resumed>) = 0 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5069] close(3 [pid 5477] memfd_create("syzkaller", 0 [pid 5474] exit_group(0 [pid 5069] <... close resumed>) = 0 [pid 5477] <... memfd_create resumed>) = 3 [pid 5474] <... exit_group resumed>) = ? [pid 5070] umount2("./66", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] rmdir("./65" [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5477] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5474] +++ exited with 0 +++ [pid 5069] <... rmdir resumed>) = 0 [pid 5477] <... mmap resumed>) = 0x7fdf55e96000 [pid 5070] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] mkdir("./66", 0777 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5474, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5476] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5070] <... openat resumed>) = 3 [pid 5070] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5068] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] getdents64(3, [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5069] <... openat resumed>) = 3 [pid 5068] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] umount2("./66/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] <... openat resumed>) = 3 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5068] fstat(3, [pid 5070] lstat("./66/binderfs", [pid 5069] close(3 [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] <... close resumed>) = 0 [pid 5068] getdents64(3, [pid 5070] unlink("./66/binderfs" [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5070] <... unlink resumed>) = 0 [pid 5068] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./66/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5479 attached [pid 5070] <... umount2 resumed>) = 0 [pid 5068] lstat("./64/binderfs", [pid 5069] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5479 [pid 5068] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] unlink("./64/binderfs" [pid 5479] chdir("./66" [pid 5068] <... unlink resumed>) = 0 [pid 5068] umount2("./64/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5479] <... chdir resumed>) = 0 [pid 5479] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5479] setpgid(0, 0) = 0 [pid 5479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5479] write(3, "1000", 4) = 4 [pid 5479] close(3) = 0 [pid 5479] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5478] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5479] memfd_create("syzkaller", 0 [pid 5477] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5068] <... umount2 resumed>) = 0 [pid 5479] <... memfd_create resumed>) = 3 [pid 5070] umount2("./66/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5479] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./66/file0", [pid 5479] <... mmap resumed>) = 0x7fdf55e96000 [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./66/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./66/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] umount2("./64/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... openat resumed>) = 4 [pid 5070] fstat(4, [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] lstat("./64/file0", [pid 5070] getdents64(4, [pid 5068] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5068] umount2("./64/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] getdents64(4, [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5068] openat(AT_FDCWD, "./64/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] close(4 [pid 5068] <... openat resumed>) = 4 [pid 5070] <... close resumed>) = 0 [pid 5068] fstat(4, [pid 5070] rmdir("./66/file0" [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5068] getdents64(4, [pid 5070] getdents64(3, [pid 5068] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5070] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5068] getdents64(4, [pid 5070] close(3 [pid 5068] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5070] <... close resumed>) = 0 [pid 5068] close(4 [pid 5070] rmdir("./66" [pid 5068] <... close resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5068] rmdir("./64/file0" [pid 5070] mkdir("./67", 0777 [pid 5068] <... rmdir resumed>) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 5068] getdents64(3, [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5068] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5068] close(3 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5068] <... close resumed>) = 0 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5068] rmdir("./64" [pid 5070] close(3 [pid 5068] <... rmdir resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5068] mkdir("./65", 0777 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... mkdir resumed>) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5070] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5480 [pid 5068] <... openat resumed>) = 3 [pid 5068] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 5480 attached [pid 5476] <... write resumed>) = 2097152 [pid 5068] close(3) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5480] chdir("./67" [pid 5068] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5481 [pid 5480] <... chdir resumed>) = 0 [pid 5478] <... write resumed>) = 2097152 [pid 5480] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5481 attached [pid 5481] chdir("./65" [pid 5480] <... prctl resumed>) = 0 [pid 5481] <... chdir resumed>) = 0 [pid 5480] setpgid(0, 0 [pid 5481] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5480] <... setpgid resumed>) = 0 [pid 5476] munmap(0x7fdf55e96000, 2097152 [pid 5481] <... prctl resumed>) = 0 [pid 5480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5478] munmap(0x7fdf55e96000, 2097152 [pid 5481] setpgid(0, 0 [pid 5480] <... openat resumed>) = 3 [pid 5478] <... munmap resumed>) = 0 [pid 5476] <... munmap resumed>) = 0 [pid 5481] <... setpgid resumed>) = 0 [pid 5481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5480] write(3, "1000", 4 [pid 5481] <... openat resumed>) = 3 [pid 5480] <... write resumed>) = 4 [pid 5481] write(3, "1000", 4 [pid 5480] close(3 [pid 5481] <... write resumed>) = 4 [pid 5480] <... close resumed>) = 0 [pid 5481] close(3 [pid 5480] symlink("/dev/binderfs", "./binderfs" [pid 5478] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5476] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5481] <... close resumed>) = 0 [pid 5480] <... symlink resumed>) = 0 [pid 5478] <... openat resumed>) = 4 [pid 5476] <... openat resumed>) = 4 [pid 5481] symlink("/dev/binderfs", "./binderfs" [pid 5478] ioctl(4, LOOP_SET_FD, 3 [pid 5476] ioctl(4, LOOP_SET_FD, 3 [pid 5481] <... symlink resumed>) = 0 [pid 5480] memfd_create("syzkaller", 0 [pid 5477] <... write resumed>) = 2097152 [pid 5481] memfd_create("syzkaller", 0 [pid 5480] <... memfd_create resumed>) = 3 [pid 5481] <... memfd_create resumed>) = 3 [pid 5480] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5481] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 [pid 5480] <... mmap resumed>) = 0x7fdf55e96000 [pid 5476] <... ioctl resumed>) = 0 [pid 5476] close(3) = 0 [pid 5476] mkdir("./file0", 0777) = 0 [pid 5476] mount("/dev/loop0", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5479] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5478] <... ioctl resumed>) = 0 [pid 5477] munmap(0x7fdf55e96000, 2097152 [pid 5478] close(3) = 0 [pid 5478] mkdir("./file0", 0777) = 0 [ 94.190760][ T5478] loop4: detected capacity change from 0 to 4096 [ 94.197803][ T5476] loop0: detected capacity change from 0 to 4096 [ 94.223657][ T5476] ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) [pid 5478] mount("/dev/loop4", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5477] <... munmap resumed>) = 0 [pid 5477] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5477] ioctl(4, LOOP_SET_FD, 3 [pid 5481] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5477] <... ioctl resumed>) = 0 [pid 5477] close(3) = 0 [pid 5477] mkdir("./file0", 0777) = 0 [ 94.240663][ T5478] ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512) [ 94.259306][ T5477] loop5: detected capacity change from 0 to 4096 [pid 5477] mount("/dev/loop5", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5480] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5479] <... write resumed>) = 2097152 [pid 5479] munmap(0x7fdf55e96000, 2097152 [pid 5476] <... mount resumed>) = 0 [pid 5476] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5476] chdir("./file0") = 0 [pid 5476] ioctl(4, LOOP_CLR_FD [pid 5478] <... mount resumed>) = 0 [pid 5476] <... ioctl resumed>) = 0 [pid 5478] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5476] close(4 [pid 5478] <... openat resumed>) = 3 [pid 5476] <... close resumed>) = 0 [pid 5478] chdir("./file0" [pid 5476] exit_group(0 [pid 5478] <... chdir resumed>) = 0 [pid 5476] <... exit_group resumed>) = ? [pid 5478] ioctl(4, LOOP_CLR_FD [pid 5476] +++ exited with 0 +++ [pid 5478] <... ioctl resumed>) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5476, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5478] close(4) = 0 [pid 5478] exit_group(0 [pid 5067] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5478] <... exit_group resumed>) = ? [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5479] <... munmap resumed>) = 0 [pid 5478] +++ exited with 0 +++ [pid 5067] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5478, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5067] <... openat resumed>) = 3 [pid 5067] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./66", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] getdents64(3, [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5071] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... openat resumed>) = 3 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5481] <... write resumed>) = 2097152 [pid 5071] fstat(3, [pid 5067] lstat("./64/binderfs", [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] getdents64(3, [pid 5067] unlink("./64/binderfs" [pid 5071] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5067] <... unlink resumed>) = 0 [pid 5479] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5071] umount2("./66/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./64/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5479] <... openat resumed>) = 4 [ 94.291451][ T5477] ntfs3: loop5: Different NTFS' sector size (1024) and media sector size (512) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5479] ioctl(4, LOOP_SET_FD, 3 [pid 5071] lstat("./66/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./66/binderfs") = 0 [pid 5071] umount2("./66/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5481] munmap(0x7fdf55e96000, 2097152 [pid 5479] <... ioctl resumed>) = 0 [pid 5481] <... munmap resumed>) = 0 [pid 5481] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5481] ioctl(4, LOOP_SET_FD, 3 [pid 5479] close(3 [pid 5067] <... umount2 resumed>) = 0 [pid 5479] <... close resumed>) = 0 [pid 5067] umount2("./64/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5479] mkdir("./file0", 0777 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] lstat("./64/file0", [pid 5479] <... mkdir resumed>) = 0 [pid 5067] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5480] <... write resumed>) = 2097152 [pid 5479] mount("/dev/loop2", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5071] <... umount2 resumed>) = 0 [pid 5067] umount2("./64/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./64/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5067] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] getdents64(4, 0x555556583660 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(4, 0x555556583660 /* 0 entries */, 32768) = 0 [pid 5067] close(4) = 0 [pid 5067] rmdir("./64/file0") = 0 [pid 5067] getdents64(3, 0x55555657b620 /* 0 entries */, 32768) = 0 [ 94.349994][ T5479] loop2: detected capacity change from 0 to 4096 [ 94.387859][ T5481] loop1: detected capacity change from 0 to 4096 [pid 5067] close(3 [pid 5480] munmap(0x7fdf55e96000, 2097152 [pid 5067] <... close resumed>) = 0 [pid 5067] rmdir("./64" [pid 5480] <... munmap resumed>) = 0 [pid 5071] umount2("./66/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... rmdir resumed>) = 0 [pid 5067] mkdir("./65", 0777 [pid 5481] <... ioctl resumed>) = 0 [pid 5480] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... mkdir resumed>) = 0 [pid 5481] close(3 [pid 5071] lstat("./66/file0", [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5481] <... close resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5481] mkdir("./file0", 0777 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5481] <... mkdir resumed>) = 0 [pid 5480] <... openat resumed>) = 4 [pid 5071] umount2("./66/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5481] mount("/dev/loop1", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5067] close(3 [pid 5480] ioctl(4, LOOP_SET_FD, 3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... close resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555657a5d0) = 5482 ./strace-static-x86_64: Process 5482 attached [pid 5482] chdir("./65") = 0 [pid 5482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5482] setpgid(0, 0) = 0 [pid 5482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5071] openat(AT_FDCWD, "./66/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5482] write(3, "1000", 4 [pid 5480] <... ioctl resumed>) = 0 [pid 5477] <... mount resumed>) = 0 [pid 5071] <... openat resumed>) = 4 [pid 5480] close(3 [pid 5477] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] fstat(4, [pid 5482] <... write resumed>) = 4 [pid 5480] <... close resumed>) = 0 [pid 5477] <... openat resumed>) = 3 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5482] close(3 [pid 5480] mkdir("./file0", 0777 [pid 5477] chdir("./file0" [pid 5071] getdents64(4, [pid 5482] <... close resumed>) = 0 [pid 5477] <... chdir resumed>) = 0 [pid 5482] symlink("/dev/binderfs", "./binderfs" [pid 5480] <... mkdir resumed>) = 0 [pid 5477] ioctl(4, LOOP_CLR_FD [pid 5071] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5482] <... symlink resumed>) = 0 [pid 5480] mount("/dev/loop3", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5477] <... ioctl resumed>) = 0 [pid 5482] memfd_create("syzkaller", 0 [ 94.407768][ T5479] ntfs3: loop2: Different NTFS' sector size (1024) and media sector size (512) [ 94.431411][ T5480] loop3: detected capacity change from 0 to 4096 [ 94.438391][ T5481] ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) [pid 5477] close(4 [pid 5071] getdents64(4, [pid 5482] <... memfd_create resumed>) = 3 [pid 5477] <... close resumed>) = 0 [pid 5482] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5477] exit_group(0 [pid 5482] <... mmap resumed>) = 0x7fdf55e96000 [pid 5477] <... exit_group resumed>) = ? [pid 5477] +++ exited with 0 +++ [pid 5071] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5477, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=4 /* 0.04 s */} --- [pid 5071] close(4 [pid 5479] <... mount resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5479] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] rmdir("./66/file0" [pid 5479] <... openat resumed>) = 3 [pid 5072] umount2("./68", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... rmdir resumed>) = 0 [pid 5479] chdir("./file0" [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] getdents64(3, [pid 5479] <... chdir resumed>) = 0 [pid 5071] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5479] ioctl(4, LOOP_CLR_FD [pid 5072] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] close(3 [pid 5479] <... ioctl resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5071] <... close resumed>) = 0 [pid 5479] close(4 [pid 5072] fstat(3, [pid 5071] rmdir("./66" [pid 5481] <... mount resumed>) = 0 [pid 5480] <... mount resumed>) = 0 [pid 5479] <... close resumed>) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5481] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5480] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5479] exit_group(0 [pid 5072] getdents64(3, [pid 5071] mkdir("./67", 0777 [pid 5481] <... openat resumed>) = 3 [pid 5480] <... openat resumed>) = 3 [pid 5479] <... exit_group resumed>) = ? [pid 5072] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5071] <... mkdir resumed>) = 0 [pid 5481] chdir("./file0" [pid 5480] chdir("./file0" [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5479] +++ exited with 0 +++ [pid 5072] umount2("./68/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... openat resumed>) = 3 [pid 5481] <... chdir resumed>) = 0 [pid 5480] <... chdir resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 94.462308][ T5480] ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5479, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5481] ioctl(4, LOOP_CLR_FD [pid 5480] ioctl(4, LOOP_CLR_FD [pid 5072] lstat("./68/binderfs", [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5481] <... ioctl resumed>) = 0 [pid 5480] <... ioctl resumed>) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] close(3 [pid 5069] <... restart_syscall resumed>) = 0 [pid 5481] close(4 [pid 5480] close(4 [pid 5072] unlink("./68/binderfs" [pid 5071] <... close resumed>) = 0 [pid 5481] <... close resumed>) = 0 [pid 5480] <... close resumed>) = 0 [pid 5072] <... unlink resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5481] exit_group(0 [pid 5480] exit_group(0 [pid 5072] umount2("./68/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./66", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5481] <... exit_group resumed>) = ? [pid 5480] <... exit_group resumed>) = ? [pid 5071] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5483 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5069] fstat(3, [pid 5481] +++ exited with 0 +++ [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(3, [pid 5480] +++ exited with 0 +++ [pid 5069] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./66/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./66/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] unlink("./66/binderfs") = 0 [pid 5069] umount2("./66/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5483 attached [pid 5482] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5072] <... umount2 resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5481, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5483] chdir("./67" [pid 5069] umount2("./66/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./66/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./66/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./66/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5069] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(4, 0x555556583660 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, 0x555556583660 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./66/file0") = 0 [pid 5069] getdents64(3, 0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 5069] rmdir("./66" [pid 5483] <... chdir resumed>) = 0 [pid 5072] umount2("./68/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5480, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5069] <... rmdir resumed>) = 0 [pid 5068] umount2("./65", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5483] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5069] mkdir("./67", 0777 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5483] <... prctl resumed>) = 0 [pid 5072] lstat("./68/file0", [pid 5070] <... restart_syscall resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5483] setpgid(0, 0 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5483] <... setpgid resumed>) = 0 [pid 5072] umount2("./68/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... openat resumed>) = 3 [pid 5068] <... openat resumed>) = 3 [pid 5483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./67", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] fstat(3, [pid 5483] <... openat resumed>) = 3 [pid 5072] openat(AT_FDCWD, "./68/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5483] write(3, "1000", 4 [pid 5072] <... openat resumed>) = 4 [pid 5070] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] close(3 [pid 5068] getdents64(3, [pid 5483] <... write resumed>) = 4 [pid 5072] fstat(4, [pid 5070] <... openat resumed>) = 3 [pid 5069] <... close resumed>) = 0 [pid 5483] close(3 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] fstat(3, [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5483] <... close resumed>) = 0 [pid 5482] <... write resumed>) = 2097152 [pid 5072] getdents64(4, [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] umount2("./65/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5483] symlink("/dev/binderfs", "./binderfs" [pid 5482] munmap(0x7fdf55e96000, 2097152 [pid 5072] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(3, [pid 5069] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5484 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5483] <... symlink resumed>) = 0 [pid 5072] getdents64(4, [pid 5070] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5068] lstat("./65/binderfs", ./strace-static-x86_64: Process 5484 attached [pid 5483] memfd_create("syzkaller", 0 [pid 5072] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5068] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] umount2("./67/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5483] <... memfd_create resumed>) = 3 [pid 5072] close(4 [pid 5068] unlink("./65/binderfs" [pid 5483] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] <... close resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5483] <... mmap resumed>) = 0x7fdf55e96000 [pid 5072] rmdir("./68/file0" [pid 5070] lstat("./67/binderfs", [pid 5068] <... unlink resumed>) = 0 [pid 5484] chdir("./67" [pid 5072] <... rmdir resumed>) = 0 [pid 5484] <... chdir resumed>) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] umount2("./65/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5484] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] getdents64(3, [pid 5070] unlink("./67/binderfs" [pid 5484] <... prctl resumed>) = 0 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5484] setpgid(0, 0 [pid 5072] close(3 [pid 5070] <... unlink resumed>) = 0 [pid 5484] <... setpgid resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 5070] umount2("./67/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] rmdir("./68" [pid 5484] <... openat resumed>) = 3 [pid 5484] write(3, "1000", 4 [pid 5072] <... rmdir resumed>) = 0 [pid 5484] <... write resumed>) = 4 [pid 5072] mkdir("./69", 0777 [pid 5484] close(3) = 0 [pid 5072] <... mkdir resumed>) = 0 [pid 5484] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5484] memfd_create("syzkaller", 0) = 3 [pid 5484] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 [pid 5072] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5072] close(3) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555657a5d0) = 5485 [pid 5482] <... munmap resumed>) = 0 [pid 5482] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5070] <... umount2 resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 5482] <... openat resumed>) = 4 [pid 5070] umount2("./67/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./65/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5482] ioctl(4, LOOP_SET_FD, 3 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5485 attached [pid 5485] chdir("./69") = 0 [pid 5485] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] lstat("./67/file0", [pid 5068] lstat("./65/file0", [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5485] <... prctl resumed>) = 0 [pid 5482] <... ioctl resumed>) = 0 [pid 5070] umount2("./67/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5485] setpgid(0, 0 [pid 5482] close(3 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] umount2("./65/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5485] <... setpgid resumed>) = 0 [pid 5482] <... close resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./67/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5482] mkdir("./file0", 0777 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5485] <... openat resumed>) = 3 [pid 5482] <... mkdir resumed>) = 0 [pid 5070] <... openat resumed>) = 4 [pid 5485] write(3, "1000", 4 [pid 5482] mount("/dev/loop0", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5070] fstat(4, [pid 5068] openat(AT_FDCWD, "./65/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5485] <... write resumed>) = 4 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5485] close(3 [pid 5483] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5068] <... openat resumed>) = 4 [pid 5485] <... close resumed>) = 0 [pid 5485] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5070] getdents64(4, [pid 5485] memfd_create("syzkaller", 0 [pid 5070] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5068] fstat(4, [pid 5485] <... memfd_create resumed>) = 3 [pid 5070] getdents64(4, [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5485] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5070] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5485] <... mmap resumed>) = 0x7fdf55e96000 [pid 5070] close(4 [pid 5068] getdents64(4, [pid 5070] <... close resumed>) = 0 [pid 5070] rmdir("./67/file0" [pid 5068] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5070] <... rmdir resumed>) = 0 [pid 5068] getdents64(4, [ 94.644509][ T5482] loop0: detected capacity change from 0 to 4096 [ 94.673458][ T5482] ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) [pid 5484] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5070] getdents64(3, [pid 5068] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5070] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5068] close(4 [pid 5070] close(3 [pid 5068] <... close resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5068] rmdir("./65/file0" [pid 5482] <... mount resumed>) = 0 [pid 5070] rmdir("./67" [pid 5068] <... rmdir resumed>) = 0 [pid 5482] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] <... rmdir resumed>) = 0 [pid 5068] getdents64(3, [pid 5482] <... openat resumed>) = 3 [pid 5070] mkdir("./68", 0777 [pid 5482] chdir("./file0" [pid 5068] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5482] <... chdir resumed>) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 5482] ioctl(4, LOOP_CLR_FD [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5068] close(3 [pid 5482] <... ioctl resumed>) = 0 [pid 5482] close(4 [pid 5070] <... openat resumed>) = 3 [pid 5068] <... close resumed>) = 0 [pid 5482] <... close resumed>) = 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5068] rmdir("./65" [pid 5482] exit_group(0 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5068] <... rmdir resumed>) = 0 [pid 5482] <... exit_group resumed>) = ? [pid 5070] close(3 [pid 5068] mkdir("./66", 0777 [pid 5482] +++ exited with 0 +++ [pid 5070] <... close resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... mkdir resumed>) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5482, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5070] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5486 [pid 5068] <... openat resumed>) = 3 [pid 5068] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5068] close(3 [pid 5067] umount2("./65", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... close resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5486 attached [pid 5483] <... write resumed>) = 2097152 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5486] chdir("./68" [pid 5483] munmap(0x7fdf55e96000, 2097152 [pid 5486] <... chdir resumed>) = 0 [pid 5483] <... munmap resumed>) = 0 [pid 5067] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5487 attached [pid 5486] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5483] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5068] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5487 [pid 5067] fstat(3, [pid 5487] chdir("./66" [pid 5486] <... prctl resumed>) = 0 [pid 5483] <... openat resumed>) = 4 [pid 5487] <... chdir resumed>) = 0 [pid 5486] setpgid(0, 0 [pid 5483] ioctl(4, LOOP_SET_FD, 3 [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5487] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5486] <... setpgid resumed>) = 0 [pid 5485] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5067] getdents64(3, [pid 5487] <... prctl resumed>) = 0 [pid 5486] <... openat resumed>) = 3 [pid 5487] setpgid(0, 0 [pid 5486] write(3, "1000", 4 [pid 5067] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5487] <... setpgid resumed>) = 0 [pid 5486] <... write resumed>) = 4 [pid 5067] umount2("./65/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5486] close(3 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5487] <... openat resumed>) = 3 [pid 5486] <... close resumed>) = 0 [pid 5487] write(3, "1000", 4 [pid 5486] symlink("/dev/binderfs", "./binderfs" [pid 5483] <... ioctl resumed>) = 0 [pid 5067] lstat("./65/binderfs", [pid 5487] <... write resumed>) = 4 [pid 5486] <... symlink resumed>) = 0 [pid 5483] close(3 [pid 5487] close(3 [pid 5067] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5486] memfd_create("syzkaller", 0 [pid 5483] <... close resumed>) = 0 [pid 5487] <... close resumed>) = 0 [pid 5486] <... memfd_create resumed>) = 3 [pid 5483] mkdir("./file0", 0777 [pid 5067] unlink("./65/binderfs" [pid 5487] symlink("/dev/binderfs", "./binderfs" [pid 5486] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5483] <... mkdir resumed>) = 0 [pid 5487] <... symlink resumed>) = 0 [pid 5483] mount("/dev/loop4", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5067] <... unlink resumed>) = 0 [pid 5486] <... mmap resumed>) = 0x7fdf55e96000 [ 94.780555][ T5483] loop4: detected capacity change from 0 to 4096 [pid 5487] memfd_create("syzkaller", 0 [pid 5067] umount2("./65/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5484] <... write resumed>) = 2097152 [pid 5484] munmap(0x7fdf55e96000, 2097152 [pid 5487] <... memfd_create resumed>) = 3 [pid 5484] <... munmap resumed>) = 0 [pid 5487] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5484] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5487] <... mmap resumed>) = 0x7fdf55e96000 [pid 5484] <... openat resumed>) = 4 [pid 5484] ioctl(4, LOOP_SET_FD, 3 [pid 5483] <... mount resumed>) = 0 [pid 5483] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5067] <... umount2 resumed>) = 0 [pid 5483] <... openat resumed>) = 3 [pid 5483] chdir("./file0" [ 94.827242][ T5483] ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512) [ 94.845460][ T5484] loop2: detected capacity change from 0 to 4096 [pid 5067] umount2("./65/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5483] <... chdir resumed>) = 0 [pid 5484] <... ioctl resumed>) = 0 [pid 5483] ioctl(4, LOOP_CLR_FD [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5484] close(3 [pid 5483] <... ioctl resumed>) = 0 [pid 5067] lstat("./65/file0", [pid 5484] <... close resumed>) = 0 [pid 5483] close(4 [pid 5487] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5485] <... write resumed>) = 2097152 [pid 5484] mkdir("./file0", 0777 [pid 5483] <... close resumed>) = 0 [pid 5067] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5486] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5485] munmap(0x7fdf55e96000, 2097152 [pid 5484] <... mkdir resumed>) = 0 [pid 5483] exit_group(0 [pid 5484] mount("/dev/loop2", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5067] umount2("./65/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5485] <... munmap resumed>) = 0 [pid 5483] <... exit_group resumed>) = ? [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5485] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5483] +++ exited with 0 +++ [pid 5067] openat(AT_FDCWD, "./65/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5485] ioctl(4, LOOP_SET_FD, 3 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5483, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=4 /* 0.04 s */} --- [pid 5067] <... openat resumed>) = 4 [pid 5071] umount2("./67", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, 0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./67/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] fstat(4, [pid 5071] lstat("./67/binderfs", [pid 5485] <... ioctl resumed>) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5485] close(3 [pid 5071] unlink("./67/binderfs" [pid 5485] <... close resumed>) = 0 [pid 5071] <... unlink resumed>) = 0 [pid 5067] getdents64(4, [pid 5485] mkdir("./file0", 0777 [pid 5071] umount2("./67/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5485] <... mkdir resumed>) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5485] mount("/dev/loop5", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5071] umount2("./67/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] getdents64(4, [pid 5071] lstat("./67/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5071] umount2("./67/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] close(4 [pid 5071] openat(AT_FDCWD, "./67/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5067] <... close resumed>) = 0 [pid 5071] fstat(4, [pid 5067] rmdir("./65/file0" [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(4, [pid 5067] <... rmdir resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(3, [pid 5071] getdents64(4, 0x555556583660 /* 0 entries */, 32768) = 0 [pid 5067] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5071] close(4) = 0 [pid 5067] close(3 [pid 5071] rmdir("./67/file0" [pid 5067] <... close resumed>) = 0 [pid 5486] <... write resumed>) = 2097152 [pid 5071] <... rmdir resumed>) = 0 [pid 5067] rmdir("./65" [pid 5487] <... write resumed>) = 2097152 [pid 5486] munmap(0x7fdf55e96000, 2097152 [pid 5071] getdents64(3, 0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5071] close(3 [pid 5067] mkdir("./66", 0777 [pid 5487] munmap(0x7fdf55e96000, 2097152 [pid 5071] <... close resumed>) = 0 [pid 5071] rmdir("./67") = 0 [pid 5067] <... mkdir resumed>) = 0 [pid 5071] mkdir("./68", 0777 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5486] <... munmap resumed>) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5067] <... openat resumed>) = 3 [pid 5067] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 94.915756][ T5484] ntfs3: loop2: Different NTFS' sector size (1024) and media sector size (512) [ 94.931364][ T5485] loop5: detected capacity change from 0 to 4096 [ 94.949097][ T5485] ntfs3: loop5: Different NTFS' sector size (1024) and media sector size (512) [pid 5486] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5067] close(3 [pid 5486] <... openat resumed>) = 4 [pid 5487] <... munmap resumed>) = 0 [pid 5486] ioctl(4, LOOP_SET_FD, 3 [pid 5485] <... mount resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5067] <... close resumed>) = 0 [pid 5487] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5071] close(3) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555657a5d0) = 5489 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5487] <... openat resumed>) = 4 [pid 5485] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5487] ioctl(4, LOOP_SET_FD, 3 [pid 5485] <... openat resumed>) = 3 [pid 5067] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5490 ./strace-static-x86_64: Process 5489 attached [pid 5489] chdir("./68") = 0 ./strace-static-x86_64: Process 5490 attached [pid 5489] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5487] <... ioctl resumed>) = 0 [pid 5486] <... ioctl resumed>) = 0 [pid 5485] chdir("./file0" [pid 5484] <... mount resumed>) = 0 [pid 5489] <... prctl resumed>) = 0 [pid 5487] close(3 [pid 5486] close(3 [pid 5485] <... chdir resumed>) = 0 [pid 5484] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5490] chdir("./66" [pid 5489] setpgid(0, 0 [pid 5487] <... close resumed>) = 0 [pid 5486] <... close resumed>) = 0 [pid 5485] ioctl(4, LOOP_CLR_FD [pid 5484] <... openat resumed>) = 3 [pid 5490] <... chdir resumed>) = 0 [pid 5489] <... setpgid resumed>) = 0 [pid 5487] mkdir("./file0", 0777 [pid 5486] mkdir("./file0", 0777 [pid 5485] <... ioctl resumed>) = 0 [pid 5484] chdir("./file0" [pid 5490] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5487] <... mkdir resumed>) = 0 [pid 5484] <... chdir resumed>) = 0 [pid 5490] <... prctl resumed>) = 0 [pid 5489] <... openat resumed>) = 3 [pid 5487] mount("/dev/loop1", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5486] <... mkdir resumed>) = 0 [pid 5485] close(4 [pid 5484] ioctl(4, LOOP_CLR_FD [pid 5490] setpgid(0, 0 [pid 5489] write(3, "1000", 4 [pid 5484] <... ioctl resumed>) = 0 [pid 5486] mount("/dev/loop3", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5489] <... write resumed>) = 4 [pid 5485] <... close resumed>) = 0 [pid 5484] close(4 [pid 5489] close(3 [pid 5484] <... close resumed>) = 0 [pid 5489] <... close resumed>) = 0 [pid 5484] exit_group(0 [pid 5489] symlink("/dev/binderfs", "./binderfs" [pid 5484] <... exit_group resumed>) = ? [pid 5489] <... symlink resumed>) = 0 [pid 5484] +++ exited with 0 +++ [pid 5489] memfd_create("syzkaller", 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5484, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5489] <... memfd_create resumed>) = 3 [pid 5485] exit_group(0 [pid 5490] <... setpgid resumed>) = 0 [ 95.001416][ T5486] loop3: detected capacity change from 0 to 4096 [ 95.011038][ T5487] loop1: detected capacity change from 0 to 4096 [ 95.031219][ T5487] ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) [pid 5489] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 [pid 5069] umount2("./67", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5485] <... exit_group resumed>) = ? [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5490] <... openat resumed>) = 3 [pid 5069] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5069] fstat(3, [pid 5485] +++ exited with 0 +++ [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5490] write(3, "1000", 4 [pid 5069] getdents64(3, [pid 5490] <... write resumed>) = 4 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5485, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=4 /* 0.04 s */} --- [pid 5069] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5490] close(3 [pid 5072] umount2("./69", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./67/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5490] <... close resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5490] symlink("/dev/binderfs", "./binderfs" [pid 5072] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] lstat("./67/binderfs", [pid 5490] <... symlink resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] unlink("./67/binderfs" [pid 5490] memfd_create("syzkaller", 0 [pid 5072] fstat(3, [pid 5069] <... unlink resumed>) = 0 [pid 5490] <... memfd_create resumed>) = 3 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./67/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5490] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] getdents64(3, [pid 5490] <... mmap resumed>) = 0x7fdf55e96000 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5072] umount2("./69/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./69/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] unlink("./69/binderfs") = 0 [ 95.042908][ T5486] ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) [pid 5072] umount2("./69/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = 0 [pid 5487] <... mount resumed>) = 0 [pid 5072] <... umount2 resumed>) = 0 [pid 5487] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5487] chdir("./file0") = 0 [pid 5487] ioctl(4, LOOP_CLR_FD [pid 5486] <... mount resumed>) = 0 [pid 5487] <... ioctl resumed>) = 0 [pid 5486] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5489] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5487] close(4 [pid 5486] <... openat resumed>) = 3 [pid 5487] <... close resumed>) = 0 [pid 5486] chdir("./file0" [pid 5487] exit_group(0 [pid 5486] <... chdir resumed>) = 0 [pid 5487] <... exit_group resumed>) = ? [pid 5069] umount2("./67/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5487] +++ exited with 0 +++ [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./67/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./67/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5486] ioctl(4, LOOP_CLR_FD [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5486] <... ioctl resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5487, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5486] close(4 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5490] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5486] <... close resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./67/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... restart_syscall resumed>) = 0 [pid 5486] exit_group(0) = ? [pid 5072] umount2("./69/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... openat resumed>) = 4 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] fstat(4, [pid 5072] lstat("./69/file0", [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5486] +++ exited with 0 +++ [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(4, [pid 5068] umount2("./66", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./69/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5486, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=6 /* 0.06 s */} --- [pid 5069] getdents64(4, [pid 5068] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] openat(AT_FDCWD, "./69/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5069] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5072] <... openat resumed>) = 4 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5069] close(4 [pid 5068] <... openat resumed>) = 3 [pid 5072] fstat(4, [pid 5069] <... close resumed>) = 0 [pid 5068] fstat(3, [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] rmdir("./67/file0" [pid 5072] getdents64(4, [pid 5070] umount2("./68", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] getdents64(3, [pid 5068] getdents64(3, [pid 5072] getdents64(4, [pid 5070] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5072] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5069] close(3 [pid 5072] close(4 [pid 5069] <... close resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 5069] rmdir("./67" [pid 5072] rmdir("./69/file0" [pid 5070] <... openat resumed>) = 3 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5072] <... rmdir resumed>) = 0 [pid 5070] fstat(3, [pid 5069] mkdir("./68", 0777 [pid 5068] umount2("./66/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] getdents64(3, [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5070] getdents64(3, [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5068] lstat("./66/binderfs", [pid 5072] close(3 [pid 5070] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5069] <... openat resumed>) = 3 [pid 5072] <... close resumed>) = 0 [pid 5070] umount2("./68/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] rmdir("./69" [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5068] unlink("./66/binderfs" [pid 5072] <... rmdir resumed>) = 0 [pid 5070] lstat("./68/binderfs", [pid 5069] close(3 [pid 5072] mkdir("./70", 0777 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] <... close resumed>) = 0 [pid 5068] <... unlink resumed>) = 0 [pid 5072] <... mkdir resumed>) = 0 [pid 5070] unlink("./68/binderfs" [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5490] <... write resumed>) = 2097152 [pid 5072] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5070] <... unlink resumed>) = 0 [pid 5068] umount2("./66/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... openat resumed>) = 3 [pid 5069] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5492 [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5072] close(3 [pid 5070] umount2("./68/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... close resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5490] munmap(0x7fdf55e96000, 2097152 [pid 5072] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5493 ./strace-static-x86_64: Process 5493 attached [pid 5493] chdir("./70") = 0 [pid 5493] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5493] setpgid(0, 0) = 0 [pid 5493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5489] <... write resumed>) = 2097152 [pid 5493] <... openat resumed>) = 3 [pid 5493] write(3, "1000", 4 [pid 5489] munmap(0x7fdf55e96000, 2097152 [pid 5493] <... write resumed>) = 4 [pid 5489] <... munmap resumed>) = 0 [pid 5493] close(3) = 0 [pid 5493] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5493] memfd_create("syzkaller", 0) = 3 [pid 5493] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 [pid 5489] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5490] <... munmap resumed>) = 0 [pid 5489] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5490] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 5492 attached ) = 4 [pid 5492] chdir("./68" [pid 5490] ioctl(4, LOOP_SET_FD, 3 [pid 5492] <... chdir resumed>) = 0 [pid 5492] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] <... umount2 resumed>) = 0 [pid 5070] umount2("./68/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./68/file0", [pid 5492] <... prctl resumed>) = 0 [pid 5490] <... ioctl resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 5492] setpgid(0, 0 [pid 5490] close(3 [pid 5068] umount2("./66/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5492] <... setpgid resumed>) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./68/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./68/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5489] close(3 [pid 5070] fstat(4, [pid 5489] <... close resumed>) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5490] <... close resumed>) = 0 [pid 5489] mkdir("./file0", 0777 [pid 5070] getdents64(4, [pid 5068] lstat("./66/file0", [pid 5492] <... openat resumed>) = 3 [pid 5490] mkdir("./file0", 0777 [pid 5489] <... mkdir resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5068] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5492] write(3, "1000", 4 [pid 5490] <... mkdir resumed>) = 0 [ 95.227729][ T5489] loop4: detected capacity change from 0 to 4096 [ 95.238834][ T5490] loop0: detected capacity change from 0 to 4096 [pid 5489] mount("/dev/loop4", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5070] getdents64(4, [pid 5068] umount2("./66/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5492] <... write resumed>) = 4 [pid 5490] mount("/dev/loop0", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5070] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5493] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5492] close(3 [pid 5070] close(4 [pid 5492] <... close resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./66/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5492] symlink("/dev/binderfs", "./binderfs" [pid 5070] rmdir("./68/file0" [pid 5068] <... openat resumed>) = 4 [pid 5492] <... symlink resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5070] getdents64(3, [pid 5068] fstat(4, [pid 5070] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5492] memfd_create("syzkaller", 0 [pid 5070] close(3 [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5492] <... memfd_create resumed>) = 3 [pid 5070] <... close resumed>) = 0 [pid 5068] getdents64(4, [pid 5492] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5070] rmdir("./68" [pid 5492] <... mmap resumed>) = 0x7fdf55e96000 [pid 5070] <... rmdir resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5070] mkdir("./69", 0777) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5070] close(3) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] getdents64(4, [pid 5070] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5494 [pid 5068] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5068] close(4) = 0 [pid 5068] rmdir("./66/file0"./strace-static-x86_64: Process 5494 attached ) = 0 [pid 5494] chdir("./69") = 0 [ 95.268735][ T5489] ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512) [ 95.284224][ T5490] ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) [pid 5068] getdents64(3, [pid 5494] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5068] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5494] setpgid(0, 0 [pid 5068] close(3 [pid 5494] <... setpgid resumed>) = 0 [pid 5494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] <... close resumed>) = 0 [pid 5494] <... openat resumed>) = 3 [pid 5068] rmdir("./66" [pid 5494] write(3, "1000", 4) = 4 [pid 5068] <... rmdir resumed>) = 0 [pid 5494] close(3 [pid 5068] mkdir("./67", 0777 [pid 5494] <... close resumed>) = 0 [pid 5494] symlink("/dev/binderfs", "./binderfs" [pid 5068] <... mkdir resumed>) = 0 [pid 5494] <... symlink resumed>) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5494] memfd_create("syzkaller", 0) = 3 [pid 5493] <... write resumed>) = 2097152 [pid 5492] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5068] <... openat resumed>) = 3 [pid 5494] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5494] <... mmap resumed>) = 0x7fdf55e96000 [pid 5490] <... mount resumed>) = 0 [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5493] munmap(0x7fdf55e96000, 2097152 [pid 5492] <... write resumed>) = 2097152 [pid 5490] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5068] close(3 [pid 5493] <... munmap resumed>) = 0 [pid 5492] munmap(0x7fdf55e96000, 2097152 [pid 5490] <... openat resumed>) = 3 [pid 5068] <... close resumed>) = 0 [pid 5492] <... munmap resumed>) = 0 [pid 5493] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5492] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5490] chdir("./file0" [pid 5489] <... mount resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5493] <... openat resumed>) = 4 [pid 5492] <... openat resumed>) = 4 [pid 5490] <... chdir resumed>) = 0 [pid 5489] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5492] ioctl(4, LOOP_SET_FD, 3 [pid 5493] ioctl(4, LOOP_SET_FD, 3 [pid 5490] ioctl(4, LOOP_CLR_FD [pid 5489] <... openat resumed>) = 3 [pid 5489] chdir("./file0") = 0 [pid 5489] ioctl(4, LOOP_CLR_FD) = 0 [pid 5490] <... ioctl resumed>) = 0 [pid 5489] close(4) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5495 [pid 5489] exit_group(0) = ? [pid 5489] +++ exited with 0 +++ ./strace-static-x86_64: Process 5495 attached [pid 5495] chdir("./67" [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5489, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=6 /* 0.06 s */} --- [pid 5495] <... chdir resumed>) = 0 [pid 5490] close(4 [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 5495] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5490] <... close resumed>) = 0 [pid 5071] <... restart_syscall resumed>) = 0 [pid 5495] <... prctl resumed>) = 0 [pid 5495] setpgid(0, 0 [pid 5494] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5495] <... setpgid resumed>) = 0 [pid 5071] umount2("./68", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5490] exit_group(0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5495] <... openat resumed>) = 3 [pid 5492] <... ioctl resumed>) = 0 [pid 5490] <... exit_group resumed>) = ? [pid 5071] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5493] <... ioctl resumed>) = 0 [pid 5495] write(3, "1000", 4 [pid 5071] <... openat resumed>) = 3 [pid 5495] <... write resumed>) = 4 [pid 5494] <... write resumed>) = 2097152 [pid 5493] close(3 [pid 5492] close(3 [pid 5490] +++ exited with 0 +++ [pid 5071] fstat(3, [pid 5495] close(3 [pid 5493] <... close resumed>) = 0 [pid 5492] <... close resumed>) = 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5495] <... close resumed>) = 0 [pid 5071] getdents64(3, [pid 5495] symlink("/dev/binderfs", "./binderfs" [pid 5071] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5495] <... symlink resumed>) = 0 [pid 5493] mkdir("./file0", 0777 [pid 5492] mkdir("./file0", 0777 [pid 5071] umount2("./68/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5495] memfd_create("syzkaller", 0 [pid 5493] <... mkdir resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 95.405117][ T5492] loop2: detected capacity change from 0 to 4096 [ 95.412364][ T5493] loop5: detected capacity change from 0 to 4096 [pid 5495] <... memfd_create resumed>) = 3 [pid 5493] mount("/dev/loop5", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5492] <... mkdir resumed>) = 0 [pid 5071] lstat("./68/binderfs", [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5490, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=3 /* 0.03 s */} --- [pid 5495] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5492] mount("/dev/loop2", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5495] <... mmap resumed>) = 0x7fdf55e96000 [pid 5071] unlink("./68/binderfs") = 0 [pid 5071] umount2("./68/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./66", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... umount2 resumed>) = 0 [pid 5071] umount2("./68/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... openat resumed>) = 3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./68/file0", [pid 5067] fstat(3, [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./68/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./68/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] getdents64(3, [pid 5071] <... openat resumed>) = 4 [pid 5071] fstat(4, [pid 5067] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] umount2("./66/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] getdents64(4, [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, [pid 5067] lstat("./66/binderfs", [pid 5071] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5071] close(4 [pid 5067] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] <... close resumed>) = 0 [ 95.458548][ T5493] ntfs3: loop5: Different NTFS' sector size (1024) and media sector size (512) [ 95.470290][ T5492] ntfs3: loop2: Different NTFS' sector size (1024) and media sector size (512) [pid 5067] unlink("./66/binderfs" [pid 5071] rmdir("./68/file0") = 0 [pid 5067] <... unlink resumed>) = 0 [pid 5495] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5071] getdents64(3, [pid 5067] umount2("./66/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5494] munmap(0x7fdf55e96000, 2097152 [pid 5071] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5071] close(3 [pid 5493] <... mount resumed>) = 0 [pid 5492] <... mount resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5493] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5492] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] rmdir("./68") = 0 [pid 5071] mkdir("./69", 0777 [pid 5493] <... openat resumed>) = 3 [pid 5492] <... openat resumed>) = 3 [pid 5071] <... mkdir resumed>) = 0 [pid 5493] chdir("./file0" [pid 5492] chdir("./file0" [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5494] <... munmap resumed>) = 0 [pid 5493] <... chdir resumed>) = 0 [pid 5492] <... chdir resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5494] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5494] <... openat resumed>) = 4 [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5494] ioctl(4, LOOP_SET_FD, 3 [pid 5071] close(3 [pid 5492] ioctl(4, LOOP_CLR_FD [pid 5071] <... close resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555657a5d0) = 5498 [pid 5493] ioctl(4, LOOP_CLR_FD [pid 5492] <... ioctl resumed>) = 0 [pid 5493] <... ioctl resumed>) = 0 [pid 5492] close(4 [pid 5493] close(4 [pid 5492] <... close resumed>) = 0 [pid 5494] <... ioctl resumed>) = 0 [pid 5494] close(3) = 0 [pid 5494] mkdir("./file0", 0777) = 0 [pid 5493] <... close resumed>) = 0 [pid 5492] exit_group(0 [pid 5493] exit_group(0 [pid 5492] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5498 attached [pid 5493] <... exit_group resumed>) = ? [pid 5498] chdir("./69" [pid 5494] mount("/dev/loop3", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5493] +++ exited with 0 +++ [pid 5492] +++ exited with 0 +++ [pid 5498] <... chdir resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 5498] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5493, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5492, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5067] umount2("./66/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5498] <... prctl resumed>) = 0 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5072] <... restart_syscall resumed>) = 0 [pid 5069] <... restart_syscall resumed>) = 0 [pid 5072] umount2("./70", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./68", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5498] setpgid(0, 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... openat resumed>) = 3 [pid 5069] <... openat resumed>) = 3 [pid 5498] <... setpgid resumed>) = 0 [ 95.550664][ T5494] loop3: detected capacity change from 0 to 4096 [ 95.590538][ T5494] ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) [pid 5072] fstat(3, [pid 5069] fstat(3, [pid 5067] lstat("./66/file0", [pid 5498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5495] <... write resumed>) = 2097152 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5498] <... openat resumed>) = 3 [pid 5072] getdents64(3, [pid 5069] getdents64(3, [pid 5067] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5498] write(3, "1000", 4 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5069] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5067] umount2("./66/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5498] <... write resumed>) = 4 [pid 5495] munmap(0x7fdf55e96000, 2097152 [pid 5072] umount2("./70/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./68/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5498] close(3 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5498] <... close resumed>) = 0 [pid 5072] lstat("./70/binderfs", [pid 5069] lstat("./68/binderfs", [pid 5067] openat(AT_FDCWD, "./66/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5498] symlink("/dev/binderfs", "./binderfs" [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5498] <... symlink resumed>) = 0 [pid 5495] <... munmap resumed>) = 0 [pid 5072] unlink("./70/binderfs" [pid 5069] unlink("./68/binderfs" [pid 5067] <... openat resumed>) = 4 [pid 5498] memfd_create("syzkaller", 0 [pid 5495] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5072] <... unlink resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 5067] fstat(4, [pid 5498] <... memfd_create resumed>) = 3 [pid 5495] <... openat resumed>) = 4 [pid 5072] umount2("./70/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./68/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5498] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5495] ioctl(4, LOOP_SET_FD, 3 [pid 5067] getdents64(4, [pid 5498] <... mmap resumed>) = 0x7fdf55e96000 [pid 5495] <... ioctl resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5072] <... umount2 resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5072] umount2("./70/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] getdents64(4, [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5494] <... mount resumed>) = 0 [pid 5072] lstat("./70/file0", [pid 5067] close(4 [pid 5494] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5494] <... openat resumed>) = 3 [pid 5069] umount2("./68/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... close resumed>) = 0 [pid 5494] chdir("./file0" [pid 5072] umount2("./70/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] rmdir("./66/file0" [pid 5494] <... chdir resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5494] ioctl(4, LOOP_CLR_FD [pid 5072] openat(AT_FDCWD, "./70/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] lstat("./68/file0", [pid 5067] <... rmdir resumed>) = 0 [pid 5494] <... ioctl resumed>) = 0 [pid 5072] <... openat resumed>) = 4 [pid 5067] getdents64(3, [pid 5494] close(4 [pid 5072] fstat(4, [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5495] close(3 [pid 5494] <... close resumed>) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./68/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5494] exit_group(0 [pid 5072] getdents64(4, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5495] <... close resumed>) = 0 [pid 5494] <... exit_group resumed>) = ? [pid 5072] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [ 95.649369][ T5495] loop1: detected capacity change from 0 to 4096 [pid 5069] openat(AT_FDCWD, "./68/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] close(3 [pid 5495] mkdir("./file0", 0777 [pid 5494] +++ exited with 0 +++ [pid 5072] getdents64(4, [pid 5069] <... openat resumed>) = 4 [pid 5067] <... close resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5495] <... mkdir resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5494, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5069] fstat(4, [pid 5067] rmdir("./66" [pid 5495] mount("/dev/loop1", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5072] close(4 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... close resumed>) = 0 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5069] getdents64(4, [pid 5067] <... rmdir resumed>) = 0 [pid 5072] rmdir("./70/file0" [pid 5069] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5072] <... rmdir resumed>) = 0 [pid 5069] getdents64(4, [pid 5072] getdents64(3, [pid 5070] umount2("./69", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] close(4 [pid 5072] close(3 [pid 5070] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... close resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5069] rmdir("./68/file0" [pid 5072] rmdir("./70" [pid 5070] fstat(3, [pid 5069] <... rmdir resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(3, [pid 5072] mkdir("./71", 0777 [pid 5070] getdents64(3, [pid 5069] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5072] <... mkdir resumed>) = 0 [pid 5070] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5069] close(3 [pid 5067] mkdir("./67", 0777 [pid 5072] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5070] umount2("./69/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... close resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] rmdir("./68" [pid 5067] <... mkdir resumed>) = 0 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5070] lstat("./69/binderfs", [pid 5069] <... rmdir resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] mkdir("./69", 0777 [pid 5072] close(3 [pid 5070] unlink("./69/binderfs" [pid 5069] <... mkdir resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5072] <... close resumed>) = 0 [pid 5070] <... unlink resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] umount2("./69/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... openat resumed>) = 3 [pid 5498] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5499 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] close(3) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555657a5d0) = 5500 ./strace-static-x86_64: Process 5499 attached [pid 5499] chdir("./71") = 0 [pid 5499] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5499] setpgid(0, 0) = 0 [ 95.715371][ T5495] ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) [pid 5499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5067] close(3 [pid 5499] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5500 attached [pid 5499] write(3, "1000", 4 [pid 5495] <... mount resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5500] chdir("./69" [pid 5499] <... write resumed>) = 4 [pid 5495] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] <... umount2 resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5500] <... chdir resumed>) = 0 [pid 5499] close(3 [pid 5495] <... openat resumed>) = 3 [pid 5070] umount2("./69/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5499] <... close resumed>) = 0 [pid 5500] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5495] chdir("./file0" [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5500] <... prctl resumed>) = 0 [pid 5499] symlink("/dev/binderfs", "./binderfs" [pid 5495] <... chdir resumed>) = 0 [pid 5070] lstat("./69/file0", [pid 5067] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5501 ./strace-static-x86_64: Process 5501 attached [pid 5500] setpgid(0, 0 [pid 5499] <... symlink resumed>) = 0 [pid 5495] ioctl(4, LOOP_CLR_FD [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5500] <... setpgid resumed>) = 0 [pid 5499] memfd_create("syzkaller", 0 [pid 5498] <... write resumed>) = 2097152 [pid 5495] <... ioctl resumed>) = 0 [pid 5070] umount2("./69/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5501] chdir("./67" [pid 5500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5499] <... memfd_create resumed>) = 3 [pid 5498] munmap(0x7fdf55e96000, 2097152 [pid 5495] close(4 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5501] <... chdir resumed>) = 0 [pid 5500] <... openat resumed>) = 3 [pid 5499] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5070] openat(AT_FDCWD, "./69/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5499] <... mmap resumed>) = 0x7fdf55e96000 [pid 5070] <... openat resumed>) = 4 [pid 5501] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5500] write(3, "1000", 4 [pid 5498] <... munmap resumed>) = 0 [pid 5495] <... close resumed>) = 0 [pid 5070] fstat(4, [pid 5501] <... prctl resumed>) = 0 [pid 5500] <... write resumed>) = 4 [pid 5498] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5495] exit_group(0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5501] setpgid(0, 0 [pid 5500] close(3 [pid 5498] <... openat resumed>) = 4 [pid 5495] <... exit_group resumed>) = ? [pid 5070] getdents64(4, [pid 5501] <... setpgid resumed>) = 0 [pid 5500] <... close resumed>) = 0 [pid 5498] ioctl(4, LOOP_SET_FD, 3 [pid 5070] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5495] +++ exited with 0 +++ [pid 5070] getdents64(4, [pid 5501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 5070] rmdir("./69/file0") = 0 [pid 5070] getdents64(3, 0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5070] close(3) = 0 [pid 5070] rmdir("./69") = 0 [pid 5070] mkdir("./70", 0777 [pid 5500] symlink("/dev/binderfs", "./binderfs" [pid 5070] <... mkdir resumed>) = 0 [pid 5501] <... openat resumed>) = 3 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5495, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=5 /* 0.05 s */} --- [pid 5501] write(3, "1000", 4 [pid 5500] <... symlink resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5068] umount2("./67", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5501] <... write resumed>) = 4 [pid 5070] <... openat resumed>) = 3 [pid 5501] close(3 [pid 5500] memfd_create("syzkaller", 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5501] <... close resumed>) = 0 [pid 5500] <... memfd_create resumed>) = 3 [pid 5498] <... ioctl resumed>) = 0 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5068] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5501] symlink("/dev/binderfs", "./binderfs" [pid 5500] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5498] close(3 [pid 5070] close(3 [pid 5501] <... symlink resumed>) = 0 [pid 5500] <... mmap resumed>) = 0x7fdf55e96000 [pid 5498] <... close resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5501] memfd_create("syzkaller", 0 [pid 5070] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5502 ./strace-static-x86_64: Process 5502 attached [pid 5502] chdir("./70") = 0 [pid 5501] <... memfd_create resumed>) = 3 [pid 5498] mkdir("./file0", 0777 [pid 5068] fstat(3, [pid 5502] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5501] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5498] <... mkdir resumed>) = 0 [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5502] <... prctl resumed>) = 0 [pid 5501] <... mmap resumed>) = 0x7fdf55e96000 [pid 5499] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5498] mount("/dev/loop4", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5068] getdents64(3, [pid 5502] setpgid(0, 0) = 0 [pid 5068] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] umount2("./67/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5502] write(3, "1000", 4 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5502] <... write resumed>) = 4 [pid 5502] close(3) = 0 [pid 5502] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5502] memfd_create("syzkaller", 0) = 3 [pid 5502] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 [pid 5068] lstat("./67/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] unlink("./67/binderfs") = 0 [pid 5068] umount2("./67/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [ 95.813574][ T5498] loop4: detected capacity change from 0 to 4096 [ 95.851206][ T5498] ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512) [pid 5068] umount2("./67/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] lstat("./67/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] umount2("./67/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./67/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5068] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] getdents64(4, 0x555556583660 /* 2 entries */, 32768) = 48 [pid 5068] getdents64(4, 0x555556583660 /* 0 entries */, 32768) = 0 [pid 5068] close(4) = 0 [pid 5068] rmdir("./67/file0") = 0 [pid 5499] <... write resumed>) = 2097152 [pid 5068] getdents64(3, 0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5068] close(3) = 0 [pid 5068] rmdir("./67" [pid 5500] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5498] <... mount resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5502] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5499] munmap(0x7fdf55e96000, 2097152 [pid 5498] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5068] mkdir("./68", 0777 [pid 5499] <... munmap resumed>) = 0 [pid 5498] <... openat resumed>) = 3 [pid 5498] chdir("./file0" [pid 5068] <... mkdir resumed>) = 0 [pid 5501] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5498] <... chdir resumed>) = 0 [pid 5498] ioctl(4, LOOP_CLR_FD [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5499] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5498] <... ioctl resumed>) = 0 [pid 5499] <... openat resumed>) = 4 [pid 5498] close(4 [pid 5068] <... openat resumed>) = 3 [pid 5499] ioctl(4, LOOP_SET_FD, 3 [pid 5498] <... close resumed>) = 0 [pid 5498] exit_group(0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5498] <... exit_group resumed>) = ? [pid 5498] +++ exited with 0 +++ [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5498, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5068] close(3) = 0 [pid 5071] umount2("./69", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5504 [pid 5071] getdents64(3, 0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./69/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./69/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 5504 attached [pid 5071] unlink("./69/binderfs" [pid 5504] chdir("./68" [pid 5071] <... unlink resumed>) = 0 [pid 5071] umount2("./69/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5504] <... chdir resumed>) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5499] <... ioctl resumed>) = 0 [pid 5071] umount2("./69/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5504] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5499] close(3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5504] <... prctl resumed>) = 0 [pid 5499] <... close resumed>) = 0 [pid 5071] lstat("./69/file0", [pid 5499] mkdir("./file0", 0777 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5504] setpgid(0, 0 [pid 5500] <... write resumed>) = 2097152 [pid 5499] <... mkdir resumed>) = 0 [pid 5071] umount2("./69/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5504] <... setpgid resumed>) = 0 [pid 5499] mount("/dev/loop5", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] openat(AT_FDCWD, "./69/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5504] <... openat resumed>) = 3 [pid 5500] munmap(0x7fdf55e96000, 2097152 [pid 5071] fstat(4, [pid 5504] write(3, "1000", 4 [pid 5502] <... write resumed>) = 2097152 [pid 5500] <... munmap resumed>) = 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5504] <... write resumed>) = 4 [pid 5071] getdents64(4, [pid 5504] close(3 [pid 5501] <... write resumed>) = 2097152 [pid 5500] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5071] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5504] <... close resumed>) = 0 [pid 5501] munmap(0x7fdf55e96000, 2097152 [pid 5500] <... openat resumed>) = 4 [pid 5071] getdents64(4, [pid 5504] symlink("/dev/binderfs", "./binderfs" [pid 5071] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5504] <... symlink resumed>) = 0 [pid 5071] close(4 [pid 5500] ioctl(4, LOOP_SET_FD, 3 [pid 5071] <... close resumed>) = 0 [ 95.981785][ T5499] loop5: detected capacity change from 0 to 4096 [ 96.015139][ T5499] ntfs3: loop5: Different NTFS' sector size (1024) and media sector size (512) [pid 5071] rmdir("./69/file0" [pid 5504] memfd_create("syzkaller", 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5071] getdents64(3, 0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5502] munmap(0x7fdf55e96000, 2097152 [pid 5071] close(3) = 0 [pid 5071] rmdir("./69") = 0 [pid 5071] mkdir("./70", 0777 [pid 5504] <... memfd_create resumed>) = 3 [pid 5071] <... mkdir resumed>) = 0 [pid 5504] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5502] <... munmap resumed>) = 0 [pid 5501] <... munmap resumed>) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5504] <... mmap resumed>) = 0x7fdf55e96000 [pid 5071] <... openat resumed>) = 3 [pid 5501] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5071] ioctl(3, LOOP_CLR_FD) = 0 [pid 5502] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5071] close(3 [pid 5502] <... openat resumed>) = 4 [pid 5071] <... close resumed>) = 0 [pid 5502] ioctl(4, LOOP_SET_FD, 3 [pid 5501] <... openat resumed>) = 4 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5501] ioctl(4, LOOP_SET_FD, 3 [pid 5500] <... ioctl resumed>) = 0 [pid 5071] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5505 ./strace-static-x86_64: Process 5505 attached [pid 5505] chdir("./70") = 0 [pid 5505] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5505] setpgid(0, 0) = 0 [pid 5505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5501] <... ioctl resumed>) = 0 [pid 5500] close(3 [pid 5505] write(3, "1000", 4 [pid 5501] close(3 [pid 5500] <... close resumed>) = 0 [pid 5505] <... write resumed>) = 4 [pid 5501] <... close resumed>) = 0 [pid 5500] mkdir("./file0", 0777 [pid 5505] close(3 [pid 5501] mkdir("./file0", 0777 [pid 5505] <... close resumed>) = 0 [pid 5500] <... mkdir resumed>) = 0 [pid 5505] symlink("/dev/binderfs", "./binderfs" [pid 5504] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5501] <... mkdir resumed>) = 0 [pid 5500] mount("/dev/loop2", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5505] <... symlink resumed>) = 0 [pid 5502] <... ioctl resumed>) = 0 [pid 5505] memfd_create("syzkaller", 0) = 3 [pid 5502] close(3 [pid 5505] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5502] <... close resumed>) = 0 [pid 5505] <... mmap resumed>) = 0x7fdf55e96000 [ 96.040792][ T5500] loop2: detected capacity change from 0 to 4096 [ 96.069392][ T5502] loop3: detected capacity change from 0 to 4096 [ 96.078627][ T5501] loop0: detected capacity change from 0 to 4096 [pid 5502] mkdir("./file0", 0777) = 0 [pid 5501] mount("/dev/loop0", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5502] mount("/dev/loop3", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5499] <... mount resumed>) = 0 [pid 5499] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5499] chdir("./file0") = 0 [pid 5499] ioctl(4, LOOP_CLR_FD) = 0 [pid 5499] close(4) = 0 [pid 5499] exit_group(0) = ? [pid 5499] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5499, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5072] umount2("./71", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5072] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(3, 0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5072] umount2("./71/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./71/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] unlink("./71/binderfs") = 0 [ 96.105329][ T5500] ntfs3: loop2: Different NTFS' sector size (1024) and media sector size (512) [ 96.115705][ T5501] ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) [ 96.115762][ T5502] ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) [pid 5072] umount2("./71/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5501] <... mount resumed>) = 0 [pid 5500] <... mount resumed>) = 0 [pid 5072] <... umount2 resumed>) = 0 [pid 5072] umount2("./71/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5500] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5505] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5504] <... write resumed>) = 2097152 [pid 5501] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5500] <... openat resumed>) = 3 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5504] munmap(0x7fdf55e96000, 2097152 [pid 5501] <... openat resumed>) = 3 [pid 5500] chdir("./file0" [pid 5072] lstat("./71/file0", [pid 5504] <... munmap resumed>) = 0 [pid 5501] chdir("./file0" [pid 5500] <... chdir resumed>) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5504] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5501] <... chdir resumed>) = 0 [pid 5500] ioctl(4, LOOP_CLR_FD [pid 5072] umount2("./71/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5504] <... openat resumed>) = 4 [pid 5501] ioctl(4, LOOP_CLR_FD [pid 5500] <... ioctl resumed>) = 0 [pid 5504] ioctl(4, LOOP_SET_FD, 3 [pid 5501] <... ioctl resumed>) = 0 [pid 5500] close(4 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5501] close(4 [pid 5500] <... close resumed>) = 0 [pid 5072] openat(AT_FDCWD, "./71/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5501] <... close resumed>) = 0 [pid 5500] exit_group(0 [pid 5501] exit_group(0 [pid 5500] <... exit_group resumed>) = ? [pid 5072] <... openat resumed>) = 4 [pid 5501] <... exit_group resumed>) = ? [pid 5500] +++ exited with 0 +++ [pid 5072] fstat(4, [pid 5501] +++ exited with 0 +++ [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5500, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5072] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5501, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=7 /* 0.07 s */} --- [pid 5504] <... ioctl resumed>) = 0 [pid 5067] umount2("./67", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5504] close(3 [pid 5072] getdents64(4, [pid 5069] <... restart_syscall resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5504] <... close resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5067] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5504] mkdir("./file0", 0777 [pid 5072] close(4 [pid 5067] <... openat resumed>) = 3 [pid 5504] <... mkdir resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 5069] umount2("./69", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] fstat(3, [pid 5504] mount("/dev/loop1", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5072] rmdir("./71/file0" [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5502] <... mount resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] getdents64(3, [pid 5502] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] getdents64(3, [pid 5069] <... openat resumed>) = 3 [pid 5067] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5067] umount2("./67/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5502] <... openat resumed>) = 3 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5502] chdir("./file0" [pid 5072] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5069] fstat(3, [pid 5067] lstat("./67/binderfs", [pid 5502] <... chdir resumed>) = 0 [pid 5072] close(3 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5502] ioctl(4, LOOP_CLR_FD [pid 5072] <... close resumed>) = 0 [pid 5069] getdents64(3, [pid 5067] unlink("./67/binderfs" [pid 5505] <... write resumed>) = 2097152 [pid 5502] <... ioctl resumed>) = 0 [pid 5072] rmdir("./71" [pid 5069] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5067] <... unlink resumed>) = 0 [pid 5505] munmap(0x7fdf55e96000, 2097152 [pid 5502] close(4 [pid 5072] <... rmdir resumed>) = 0 [pid 5069] umount2("./69/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./67/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5505] <... munmap resumed>) = 0 [pid 5502] <... close resumed>) = 0 [pid 5072] mkdir("./72", 0777 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5505] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5502] exit_group(0 [pid 5072] <... mkdir resumed>) = 0 [pid 5069] lstat("./69/binderfs", [pid 5505] <... openat resumed>) = 4 [pid 5502] <... exit_group resumed>) = ? [pid 5072] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 96.209910][ T5504] loop1: detected capacity change from 0 to 4096 [ 96.245605][ T5504] ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) [pid 5505] ioctl(4, LOOP_SET_FD, 3 [pid 5502] +++ exited with 0 +++ [pid 5072] <... openat resumed>) = 3 [pid 5069] unlink("./69/binderfs" [pid 5505] <... ioctl resumed>) = 0 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5502, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5069] <... unlink resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] umount2("./69/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./67/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5505] close(3 [pid 5072] close(3 [pid 5505] <... close resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 5070] umount2("./70", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5505] mkdir("./file0", 0777 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5505] <... mkdir resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5505] mount("/dev/loop4", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5072] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5506 [pid 5070] <... openat resumed>) = 3 [pid 5069] <... umount2 resumed>) = 0 [pid 5067] lstat("./67/file0", ./strace-static-x86_64: Process 5506 attached [pid 5070] fstat(3, [pid 5506] chdir("./72" [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5506] <... chdir resumed>) = 0 [pid 5070] getdents64(3, [pid 5067] umount2("./67/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5506] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5504] <... mount resumed>) = 0 [pid 5070] umount2("./70/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5504] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5506] <... prctl resumed>) = 0 [pid 5504] <... openat resumed>) = 3 [pid 5070] lstat("./70/binderfs", [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5506] setpgid(0, 0 [pid 5504] chdir("./file0" [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] umount2("./69/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] openat(AT_FDCWD, "./67/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5506] <... setpgid resumed>) = 0 [pid 5504] <... chdir resumed>) = 0 [pid 5070] unlink("./70/binderfs" [pid 5506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5504] ioctl(4, LOOP_CLR_FD [pid 5070] <... unlink resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... openat resumed>) = 4 [pid 5506] <... openat resumed>) = 3 [pid 5504] <... ioctl resumed>) = 0 [pid 5070] umount2("./70/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] fstat(4, [pid 5506] write(3, "1000", 4 [pid 5504] close(4 [pid 5069] lstat("./69/file0", [pid 5506] <... write resumed>) = 4 [pid 5504] <... close resumed>) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5506] close(3 [pid 5504] exit_group(0 [pid 5069] umount2("./69/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] getdents64(4, [pid 5506] <... close resumed>) = 0 [pid 5504] <... exit_group resumed>) = ? [pid 5070] <... umount2 resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5506] symlink("/dev/binderfs", "./binderfs" [pid 5504] +++ exited with 0 +++ [pid 5070] umount2("./70/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] openat(AT_FDCWD, "./69/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] getdents64(4, [pid 5506] <... symlink resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... openat resumed>) = 4 [pid 5067] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5070] lstat("./70/file0", [pid 5069] fstat(4, [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5506] memfd_create("syzkaller", 0 [pid 5070] umount2("./70/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] getdents64(4, [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5504, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5067] close(4 [pid 5506] <... memfd_create resumed>) = 3 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5506] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5070] openat(AT_FDCWD, "./70/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] getdents64(4, [pid 5068] <... restart_syscall resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5506] <... mmap resumed>) = 0x7fdf55e96000 [pid 5070] <... openat resumed>) = 4 [pid 5069] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5067] rmdir("./67/file0" [pid 5070] fstat(4, [pid 5069] close(4 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 96.288193][ T5505] loop4: detected capacity change from 0 to 4096 [ 96.318804][ T5505] ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512) [pid 5069] <... close resumed>) = 0 [pid 5070] getdents64(4, [pid 5069] rmdir("./69/file0" [pid 5070] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5069] <... rmdir resumed>) = 0 [pid 5070] getdents64(4, [pid 5069] getdents64(3, [pid 5070] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5069] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5070] close(4 [pid 5069] close(3 [pid 5070] <... close resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5070] rmdir("./70/file0" [pid 5069] rmdir("./69" [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5070] getdents64(3, [pid 5069] mkdir("./70", 0777 [pid 5070] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5070] close(3 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5070] <... close resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5067] <... rmdir resumed>) = 0 [pid 5070] rmdir("./70" [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] umount2("./68", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] getdents64(3, [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] mkdir("./71", 0777 [pid 5069] close(3 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] close(3 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... openat resumed>) = 3 [pid 5068] <... openat resumed>) = 3 [pid 5067] <... close resumed>) = 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5507 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] close(3) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555657a5d0) = 5508 [pid 5068] fstat(3, [pid 5067] rmdir("./67" [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5068] getdents64(3, [pid 5067] mkdir("./68", 0777./strace-static-x86_64: Process 5507 attached [pid 5068] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5068] umount2("./68/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... mkdir resumed>) = 0 [pid 5507] chdir("./70" [pid 5505] <... mount resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 5508 attached [pid 5507] <... chdir resumed>) = 0 [pid 5505] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5068] lstat("./68/binderfs", [pid 5508] chdir("./71" [pid 5507] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5067] <... openat resumed>) = 3 [pid 5508] <... chdir resumed>) = 0 [pid 5507] <... prctl resumed>) = 0 [pid 5505] <... openat resumed>) = 3 [pid 5068] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5508] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5507] setpgid(0, 0 [pid 5508] <... prctl resumed>) = 0 [pid 5507] <... setpgid resumed>) = 0 [pid 5505] chdir("./file0" [pid 5068] unlink("./68/binderfs" [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5508] setpgid(0, 0 [pid 5507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5505] <... chdir resumed>) = 0 [pid 5508] <... setpgid resumed>) = 0 [pid 5507] <... openat resumed>) = 3 [pid 5505] ioctl(4, LOOP_CLR_FD [pid 5068] <... unlink resumed>) = 0 [pid 5067] close(3 [pid 5508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5507] write(3, "1000", 4 [pid 5505] <... ioctl resumed>) = 0 [pid 5068] umount2("./68/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... close resumed>) = 0 [pid 5508] <... openat resumed>) = 3 [pid 5507] <... write resumed>) = 4 [pid 5505] close(4 [pid 5508] write(3, "1000", 4 [pid 5507] close(3 [pid 5505] <... close resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5508] <... write resumed>) = 4 [pid 5507] <... close resumed>) = 0 [pid 5508] close(3 [pid 5507] symlink("/dev/binderfs", "./binderfs" [pid 5508] <... close resumed>) = 0 [pid 5507] <... symlink resumed>) = 0 [pid 5505] exit_group(0 [pid 5508] symlink("/dev/binderfs", "./binderfs" [pid 5507] memfd_create("syzkaller", 0 [pid 5067] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5509 [pid 5505] <... exit_group resumed>) = ? [pid 5508] <... symlink resumed>) = 0 [pid 5507] <... memfd_create resumed>) = 3 [pid 5508] memfd_create("syzkaller", 0 [pid 5507] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5505] +++ exited with 0 +++ [pid 5508] <... memfd_create resumed>) = 3 [pid 5507] <... mmap resumed>) = 0x7fdf55e96000 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5505, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=1 /* 0.01 s */} --- [pid 5508] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5506] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5068] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 5509 attached [pid 5508] <... mmap resumed>) = 0x7fdf55e96000 [pid 5509] chdir("./68" [pid 5071] umount2("./70", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5509] <... chdir resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] umount2("./68/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5509] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5509] <... prctl resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5509] setpgid(0, 0 [pid 5071] fstat(3, [pid 5068] lstat("./68/file0", [pid 5509] <... setpgid resumed>) = 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] getdents64(3, [pid 5068] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5509] <... openat resumed>) = 3 [pid 5071] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5068] umount2("./68/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5509] write(3, "1000", 4 [pid 5508] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5071] umount2("./70/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5509] <... write resumed>) = 4 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./68/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5509] close(3 [pid 5071] lstat("./70/binderfs", [pid 5509] <... close resumed>) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5509] symlink("/dev/binderfs", "./binderfs" [pid 5071] unlink("./70/binderfs" [pid 5068] fstat(4, [pid 5509] <... symlink resumed>) = 0 [pid 5071] <... unlink resumed>) = 0 [pid 5071] umount2("./70/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5509] memfd_create("syzkaller", 0) = 3 [pid 5071] <... umount2 resumed>) = 0 [pid 5068] getdents64(4, [pid 5509] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 [pid 5068] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5071] umount2("./70/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./70/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] getdents64(4, 0x555556583660 /* 0 entries */, 32768) = 0 [pid 5068] close(4) = 0 [pid 5068] rmdir("./68/file0") = 0 [pid 5068] getdents64(3, 0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5071] umount2("./70/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] close(3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... close resumed>) = 0 [pid 5068] rmdir("./68" [pid 5071] openat(AT_FDCWD, "./70/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5068] <... rmdir resumed>) = 0 [pid 5068] mkdir("./69", 0777 [pid 5071] fstat(4, [pid 5068] <... mkdir resumed>) = 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5506] <... write resumed>) = 2097152 [pid 5071] getdents64(4, [pid 5068] <... openat resumed>) = 3 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5071] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5506] munmap(0x7fdf55e96000, 2097152 [pid 5071] getdents64(4, [pid 5068] close(3 [pid 5071] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5068] <... close resumed>) = 0 [pid 5507] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5071] close(4 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... close resumed>) = 0 [pid 5071] rmdir("./70/file0"./strace-static-x86_64: Process 5510 attached [pid 5506] <... munmap resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5510 [pid 5071] getdents64(3, [pid 5510] chdir("./69" [pid 5506] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5071] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5510] <... chdir resumed>) = 0 [pid 5071] close(3 [pid 5506] <... openat resumed>) = 4 [pid 5510] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] <... close resumed>) = 0 [pid 5506] ioctl(4, LOOP_SET_FD, 3 [pid 5510] <... prctl resumed>) = 0 [pid 5071] rmdir("./70" [pid 5510] setpgid(0, 0) = 0 [pid 5508] <... write resumed>) = 2097152 [pid 5071] <... rmdir resumed>) = 0 [pid 5510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] mkdir("./71", 0777 [pid 5510] <... openat resumed>) = 3 [pid 5071] <... mkdir resumed>) = 0 [pid 5510] write(3, "1000", 4 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5510] <... write resumed>) = 4 [pid 5071] <... openat resumed>) = 3 [pid 5510] close(3 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5510] <... close resumed>) = 0 [pid 5510] symlink("/dev/binderfs", "./binderfs" [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5510] <... symlink resumed>) = 0 [pid 5071] close(3) = 0 [pid 5510] memfd_create("syzkaller", 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5510] <... memfd_create resumed>) = 3 [pid 5510] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 [pid 5071] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5511 ./strace-static-x86_64: Process 5511 attached [pid 5511] chdir("./71") = 0 [pid 5511] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5506] <... ioctl resumed>) = 0 [pid 5511] setpgid(0, 0 [pid 5506] close(3 [pid 5511] <... setpgid resumed>) = 0 [pid 5511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5506] <... close resumed>) = 0 [pid 5511] <... openat resumed>) = 3 [pid 5509] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5507] <... write resumed>) = 2097152 [pid 5506] mkdir("./file0", 0777 [pid 5511] write(3, "1000", 4) = 4 [pid 5511] close(3) = 0 [pid 5511] symlink("/dev/binderfs", "./binderfs" [pid 5506] <... mkdir resumed>) = 0 [pid 5511] <... symlink resumed>) = 0 [pid 5511] memfd_create("syzkaller", 0) = 3 [pid 5511] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 [pid 5506] mount("/dev/loop5", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [ 96.542760][ T5506] loop5: detected capacity change from 0 to 4096 [pid 5508] munmap(0x7fdf55e96000, 2097152) = 0 [pid 5507] munmap(0x7fdf55e96000, 2097152 [pid 5508] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5508] ioctl(4, LOOP_SET_FD, 3 [pid 5507] <... munmap resumed>) = 0 [pid 5507] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5507] ioctl(4, LOOP_SET_FD, 3 [pid 5508] <... ioctl resumed>) = 0 [pid 5508] close(3) = 0 [pid 5507] <... ioctl resumed>) = 0 [pid 5508] mkdir("./file0", 0777 [pid 5507] close(3 [pid 5511] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5510] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5508] <... mkdir resumed>) = 0 [pid 5507] <... close resumed>) = 0 [pid 5508] mount("/dev/loop3", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [ 96.598506][ T5506] ntfs3: loop5: Different NTFS' sector size (1024) and media sector size (512) [ 96.611092][ T5508] loop3: detected capacity change from 0 to 4096 [ 96.621162][ T5507] loop2: detected capacity change from 0 to 4096 [pid 5507] mkdir("./file0", 0777 [pid 5509] <... write resumed>) = 2097152 [pid 5507] <... mkdir resumed>) = 0 [pid 5509] munmap(0x7fdf55e96000, 2097152 [pid 5507] mount("/dev/loop2", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5509] <... munmap resumed>) = 0 [pid 5509] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5510] <... write resumed>) = 2097152 [pid 5509] <... openat resumed>) = 4 [pid 5509] ioctl(4, LOOP_SET_FD, 3 [pid 5510] munmap(0x7fdf55e96000, 2097152) = 0 [pid 5509] <... ioctl resumed>) = 0 [pid 5510] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5509] close(3 [pid 5506] <... mount resumed>) = 0 [pid 5511] <... write resumed>) = 2097152 [pid 5510] <... openat resumed>) = 4 [pid 5509] <... close resumed>) = 0 [pid 5506] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [ 96.663464][ T5508] ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) [ 96.681057][ T5507] ntfs3: loop2: Different NTFS' sector size (1024) and media sector size (512) [ 96.692218][ T5509] loop0: detected capacity change from 0 to 4096 [pid 5510] ioctl(4, LOOP_SET_FD, 3 [pid 5509] mkdir("./file0", 0777 [pid 5506] <... openat resumed>) = 3 [pid 5511] munmap(0x7fdf55e96000, 2097152 [pid 5508] <... mount resumed>) = 0 [pid 5507] <... mount resumed>) = 0 [pid 5508] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5508] chdir("./file0") = 0 [pid 5508] ioctl(4, LOOP_CLR_FD) = 0 [pid 5508] close(4) = 0 [pid 5508] exit_group(0) = ? [pid 5507] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5511] <... munmap resumed>) = 0 [pid 5509] <... mkdir resumed>) = 0 [pid 5507] <... openat resumed>) = 3 [pid 5507] chdir("./file0") = 0 [pid 5507] ioctl(4, LOOP_CLR_FD [pid 5508] +++ exited with 0 +++ [pid 5507] <... ioctl resumed>) = 0 [pid 5507] close(4) = 0 [pid 5507] exit_group(0) = ? [pid 5507] +++ exited with 0 +++ [pid 5511] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5511] ioctl(4, LOOP_SET_FD, 3 [pid 5510] <... ioctl resumed>) = 0 [pid 5509] mount("/dev/loop0", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5506] chdir("./file0") = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5508, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=5 /* 0.05 s */} --- [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5507, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=3 /* 0.03 s */} --- [pid 5511] <... ioctl resumed>) = 0 [pid 5511] close(3) = 0 [pid 5511] mkdir("./file0", 0777) = 0 [pid 5511] mount("/dev/loop4", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5506] ioctl(4, LOOP_CLR_FD [pid 5070] <... restart_syscall resumed>) = 0 [pid 5069] <... restart_syscall resumed>) = 0 [pid 5510] close(3 [pid 5506] <... ioctl resumed>) = 0 [pid 5510] <... close resumed>) = 0 [pid 5506] close(4 [pid 5510] mkdir("./file0", 0777 [pid 5506] <... close resumed>) = 0 [pid 5070] umount2("./71", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./70", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5510] <... mkdir resumed>) = 0 [pid 5506] exit_group(0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5510] mount("/dev/loop1", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5506] <... exit_group resumed>) = ? [pid 5070] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5506] +++ exited with 0 +++ [ 96.721570][ T5510] loop1: detected capacity change from 0 to 4096 [ 96.735648][ T5511] loop4: detected capacity change from 0 to 4096 [ 96.744465][ T5509] ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) [ 96.755720][ T5511] ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512) [pid 5070] <... openat resumed>) = 3 [pid 5069] <... openat resumed>) = 3 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5506, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5070] fstat(3, [pid 5069] fstat(3, [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(3, [pid 5069] getdents64(3, [pid 5072] umount2("./72", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5069] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./71/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./70/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... openat resumed>) = 3 [pid 5070] lstat("./71/binderfs", [pid 5069] lstat("./70/binderfs", [pid 5072] fstat(3, [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] unlink("./71/binderfs" [pid 5069] unlink("./70/binderfs" [pid 5072] getdents64(3, [pid 5070] <... unlink resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./71/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./70/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./72/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./72/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] unlink("./72/binderfs" [pid 5070] <... umount2 resumed>) = 0 [pid 5510] <... mount resumed>) = 0 [pid 5072] <... unlink resumed>) = 0 [pid 5510] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] umount2("./72/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5510] <... openat resumed>) = 3 [pid 5510] chdir("./file0") = 0 [pid 5510] ioctl(4, LOOP_CLR_FD) = 0 [ 96.772407][ T5510] ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) [pid 5510] close(4 [pid 5511] <... mount resumed>) = 0 [pid 5510] <... close resumed>) = 0 [pid 5072] <... umount2 resumed>) = 0 [pid 5511] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5510] exit_group(0 [pid 5511] <... openat resumed>) = 3 [pid 5510] <... exit_group resumed>) = ? [pid 5069] <... umount2 resumed>) = 0 [pid 5070] umount2("./71/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5510] +++ exited with 0 +++ [pid 5511] chdir("./file0" [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./70/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5511] <... chdir resumed>) = 0 [pid 5070] lstat("./71/file0", [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5510, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5511] ioctl(4, LOOP_CLR_FD [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] lstat("./70/file0", [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5511] <... ioctl resumed>) = 0 [pid 5072] umount2("./72/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./71/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] <... restart_syscall resumed>) = 0 [pid 5511] close(4 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./70/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5511] <... close resumed>) = 0 [pid 5509] <... mount resumed>) = 0 [pid 5072] lstat("./72/file0", [pid 5070] openat(AT_FDCWD, "./71/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5509] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... openat resumed>) = 4 [pid 5068] umount2("./69", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5509] <... openat resumed>) = 3 [pid 5072] umount2("./72/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] fstat(4, [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5511] exit_group(0 [pid 5509] chdir("./file0" [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5511] <... exit_group resumed>) = ? [pid 5509] <... chdir resumed>) = 0 [pid 5072] openat(AT_FDCWD, "./72/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] getdents64(4, [pid 5069] openat(AT_FDCWD, "./70/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... openat resumed>) = 3 [pid 5511] +++ exited with 0 +++ [pid 5509] ioctl(4, LOOP_CLR_FD [pid 5072] <... openat resumed>) = 4 [pid 5070] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5069] <... openat resumed>) = 4 [pid 5068] fstat(3, [pid 5509] <... ioctl resumed>) = 0 [pid 5072] fstat(4, [pid 5070] getdents64(4, [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5509] close(4 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5511, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5070] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5068] getdents64(3, [pid 5509] <... close resumed>) = 0 [pid 5072] getdents64(4, [pid 5071] umount2("./71", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] close(4 [pid 5069] fstat(4, [pid 5068] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5509] exit_group(0 [pid 5072] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... close resumed>) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] umount2("./69/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5509] <... exit_group resumed>) = ? [pid 5072] getdents64(4, [pid 5071] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] rmdir("./71/file0" [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5509] +++ exited with 0 +++ [pid 5072] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5070] <... rmdir resumed>) = 0 [pid 5068] lstat("./69/binderfs", [pid 5072] close(4 [pid 5071] fstat(3, [pid 5070] getdents64(3, [pid 5069] getdents64(4, [pid 5068] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5509, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=7 /* 0.07 s */} --- [pid 5072] <... close resumed>) = 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5069] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5068] unlink("./69/binderfs" [pid 5072] rmdir("./72/file0" [pid 5071] getdents64(3, [pid 5070] close(3 [pid 5069] getdents64(4, [pid 5068] <... unlink resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5071] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5070] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5068] umount2("./69/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./68", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] getdents64(3, [pid 5071] umount2("./71/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] rmdir("./71" [pid 5069] close(4 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] close(3 [pid 5071] lstat("./71/binderfs", [pid 5070] mkdir("./72", 0777 [pid 5069] rmdir("./70/file0" [pid 5068] <... umount2 resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5072] <... close resumed>) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] umount2("./69/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] fstat(3, [pid 5072] rmdir("./72" [pid 5071] unlink("./71/binderfs" [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] getdents64(3, [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5069] close(3) = 0 [pid 5069] rmdir("./70" [pid 5072] mkdir("./73", 0777 [pid 5071] <... unlink resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] lstat("./69/file0", [pid 5067] getdents64(3, [pid 5069] mkdir("./71", 0777 [pid 5072] <... mkdir resumed>) = 0 [pid 5071] umount2("./71/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] <... mkdir resumed>) = 0 [pid 5068] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5072] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5068] umount2("./69/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] <... openat resumed>) = 3 [pid 5067] umount2("./68/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] close(3) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5071] <... umount2 resumed>) = 0 [pid 5070] close(3 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5070] <... close resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./69/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] lstat("./68/binderfs", [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5512 [pid 5068] <... openat resumed>) = 4 [pid 5067] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 5512 attached [pid 5512] chdir("./71" [pid 5067] unlink("./68/binderfs" [pid 5068] fstat(4, [pid 5072] close(3 [pid 5070] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5513 [pid 5067] <... unlink resumed>) = 0 [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... close resumed>) = 0 [pid 5068] getdents64(4, [pid 5067] umount2("./68/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5068] getdents64(4, [pid 5072] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5514 [pid 5068] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5068] close(4 [pid 5512] <... chdir resumed>) = 0 [pid 5512] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5068] <... close resumed>) = 0 [pid 5512] <... prctl resumed>) = 0 [pid 5068] rmdir("./69/file0" [pid 5512] setpgid(0, 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5512] <... setpgid resumed>) = 0 [pid 5068] getdents64(3, [pid 5512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5513 attached ) = 3 [pid 5068] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5067] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 5514 attached [pid 5512] write(3, "1000", 4 [pid 5068] close(3 [pid 5067] umount2("./68/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5514] chdir("./73" [pid 5513] chdir("./72" [pid 5512] <... write resumed>) = 4 [pid 5068] <... close resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5514] <... chdir resumed>) = 0 [pid 5513] <... chdir resumed>) = 0 [pid 5512] close(3 [pid 5068] rmdir("./69" [pid 5067] lstat("./68/file0", [pid 5514] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5513] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5512] <... close resumed>) = 0 [pid 5514] <... prctl resumed>) = 0 [pid 5512] symlink("/dev/binderfs", "./binderfs" [pid 5514] setpgid(0, 0 [pid 5512] <... symlink resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5514] <... setpgid resumed>) = 0 [pid 5513] <... prctl resumed>) = 0 [pid 5512] memfd_create("syzkaller", 0 [pid 5071] umount2("./71/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] mkdir("./70", 0777 [pid 5067] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5513] setpgid(0, 0 [pid 5512] <... memfd_create resumed>) = 3 [pid 5514] <... openat resumed>) = 3 [pid 5512] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5514] write(3, "1000", 4 [pid 5512] <... mmap resumed>) = 0x7fdf55e96000 [pid 5514] <... write resumed>) = 4 [pid 5514] close(3) = 0 [pid 5514] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5514] memfd_create("syzkaller", 0 [pid 5513] <... setpgid resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... mkdir resumed>) = 0 [pid 5067] umount2("./68/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5514] <... memfd_create resumed>) = 3 [pid 5513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] lstat("./71/file0", [pid 5514] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 [pid 5513] <... openat resumed>) = 3 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5513] write(3, "1000", 4 [pid 5071] umount2("./71/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... openat resumed>) = 3 [pid 5067] openat(AT_FDCWD, "./68/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5513] <... write resumed>) = 4 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5513] close(3 [pid 5067] <... openat resumed>) = 4 [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] openat(AT_FDCWD, "./71/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5513] <... close resumed>) = 0 [pid 5071] <... openat resumed>) = 4 [pid 5068] close(3 [pid 5067] fstat(4, [pid 5513] symlink("/dev/binderfs", "./binderfs" [pid 5071] fstat(4, [pid 5513] <... symlink resumed>) = 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(4, [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] getdents64(4, [pid 5513] memfd_create("syzkaller", 0 [pid 5067] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5071] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(4, [pid 5068] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5515 [pid 5071] getdents64(4, [pid 5067] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5071] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5067] close(4 [pid 5513] <... memfd_create resumed>) = 3 [pid 5071] close(4 [pid 5513] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] <... close resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5071] rmdir("./71/file0" [pid 5513] <... mmap resumed>) = 0x7fdf55e96000 [pid 5067] rmdir("./68/file0" [pid 5071] <... rmdir resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5071] getdents64(3, [pid 5067] getdents64(3, [pid 5071] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5067] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5071] close(3 [pid 5067] close(3 [pid 5071] <... close resumed>) = 0 [pid 5071] rmdir("./71" [pid 5067] <... close resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5071] mkdir("./72", 0777 [pid 5067] rmdir("./68" [pid 5071] <... mkdir resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5067] mkdir("./69", 0777 [pid 5071] <... openat resumed>) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5067] <... mkdir resumed>) = 0 [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5071] close(3 [pid 5067] <... openat resumed>) = 3 [pid 5071] <... close resumed>) = 0 [pid 5067] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] close(3 [pid 5512] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5067] <... close resumed>) = 0 [pid 5514] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5516 [pid 5067] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5517 ./strace-static-x86_64: Process 5516 attached [pid 5516] chdir("./72") = 0 [pid 5516] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5516] setpgid(0, 0) = 0 [pid 5516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5515 attached ) = 3 ./strace-static-x86_64: Process 5517 attached [pid 5516] write(3, "1000", 4 [pid 5515] chdir("./70" [pid 5517] chdir("./69" [pid 5516] <... write resumed>) = 4 [pid 5515] <... chdir resumed>) = 0 [pid 5517] <... chdir resumed>) = 0 [pid 5516] close(3 [pid 5515] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5517] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5516] <... close resumed>) = 0 [pid 5515] <... prctl resumed>) = 0 [pid 5517] <... prctl resumed>) = 0 [pid 5516] symlink("/dev/binderfs", "./binderfs" [pid 5515] setpgid(0, 0 [pid 5517] setpgid(0, 0 [pid 5516] <... symlink resumed>) = 0 [pid 5515] <... setpgid resumed>) = 0 [pid 5517] <... setpgid resumed>) = 0 [pid 5516] memfd_create("syzkaller", 0 [pid 5517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5516] <... memfd_create resumed>) = 3 [pid 5515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5517] <... openat resumed>) = 3 [pid 5516] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5517] write(3, "1000", 4 [pid 5516] <... mmap resumed>) = 0x7fdf55e96000 [pid 5515] <... openat resumed>) = 3 [pid 5517] <... write resumed>) = 4 [pid 5517] close(3) = 0 [pid 5517] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5515] write(3, "1000", 4 [pid 5517] memfd_create("syzkaller", 0) = 3 [pid 5517] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 [pid 5515] <... write resumed>) = 4 [pid 5515] close(3) = 0 [pid 5515] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5515] memfd_create("syzkaller", 0) = 3 [pid 5515] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 [pid 5513] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5512] <... write resumed>) = 2097152 [pid 5516] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5512] munmap(0x7fdf55e96000, 2097152 [pid 5515] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5514] <... write resumed>) = 2097152 [pid 5512] <... munmap resumed>) = 0 [pid 5512] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5512] ioctl(4, LOOP_SET_FD, 3 [pid 5514] munmap(0x7fdf55e96000, 2097152 [pid 5513] <... write resumed>) = 2097152 [pid 5513] munmap(0x7fdf55e96000, 2097152) = 0 [pid 5513] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5514] <... munmap resumed>) = 0 [pid 5513] <... openat resumed>) = 4 [pid 5514] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5514] ioctl(4, LOOP_SET_FD, 3 [pid 5513] ioctl(4, LOOP_SET_FD, 3 [pid 5512] <... ioctl resumed>) = 0 [pid 5512] close(3) = 0 [pid 5512] mkdir("./file0", 0777) = 0 [pid 5512] mount("/dev/loop2", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [ 97.164048][ T5512] loop2: detected capacity change from 0 to 4096 [ 97.179029][ T5514] loop5: detected capacity change from 0 to 4096 [ 97.179229][ T5513] loop3: detected capacity change from 0 to 4096 [pid 5517] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5515] <... write resumed>) = 2097152 [pid 5514] <... ioctl resumed>) = 0 [pid 5513] <... ioctl resumed>) = 0 [pid 5515] munmap(0x7fdf55e96000, 2097152 [pid 5514] close(3 [pid 5513] close(3 [pid 5514] <... close resumed>) = 0 [pid 5513] <... close resumed>) = 0 [pid 5515] <... munmap resumed>) = 0 [pid 5513] mkdir("./file0", 0777 [pid 5514] mkdir("./file0", 0777 [pid 5513] <... mkdir resumed>) = 0 [pid 5514] <... mkdir resumed>) = 0 [pid 5513] mount("/dev/loop3", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5514] mount("/dev/loop5", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5516] <... write resumed>) = 2097152 [pid 5516] munmap(0x7fdf55e96000, 2097152 [pid 5517] <... write resumed>) = 2097152 [pid 5517] munmap(0x7fdf55e96000, 2097152 [pid 5516] <... munmap resumed>) = 0 [pid 5516] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5516] ioctl(4, LOOP_SET_FD, 3 [pid 5515] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 97.205994][ T5512] ntfs3: loop2: Different NTFS' sector size (1024) and media sector size (512) [ 97.226096][ T5514] ntfs3: loop5: Different NTFS' sector size (1024) and media sector size (512) [ 97.236065][ T5513] ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) [ 97.246126][ T5516] loop4: detected capacity change from 0 to 4096 [ 97.254738][ T5515] loop1: detected capacity change from 0 to 4096 [pid 5515] ioctl(4, LOOP_SET_FD, 3 [pid 5517] <... munmap resumed>) = 0 [pid 5517] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5517] ioctl(4, LOOP_SET_FD, 3 [pid 5516] <... ioctl resumed>) = 0 [pid 5516] close(3) = 0 [pid 5516] mkdir("./file0", 0777 [pid 5515] <... ioctl resumed>) = 0 [pid 5515] close(3) = 0 [pid 5515] mkdir("./file0", 0777) = 0 [ 97.258108][ T5517] loop0: detected capacity change from 0 to 4096 [pid 5515] mount("/dev/loop1", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5516] <... mkdir resumed>) = 0 [pid 5516] mount("/dev/loop4", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5517] <... ioctl resumed>) = 0 [pid 5517] close(3) = 0 [pid 5517] mkdir("./file0", 0777) = 0 [pid 5517] mount("/dev/loop0", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5513] <... mount resumed>) = 0 [pid 5513] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5513] chdir("./file0") = 0 [pid 5513] ioctl(4, LOOP_CLR_FD [pid 5515] <... mount resumed>) = 0 [pid 5514] <... mount resumed>) = 0 [pid 5513] <... ioctl resumed>) = 0 [pid 5514] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5515] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5514] chdir("./file0" [pid 5513] close(4 [pid 5514] <... chdir resumed>) = 0 [pid 5514] ioctl(4, LOOP_CLR_FD) = 0 [pid 5514] close(4) = 0 [pid 5514] exit_group(0) = ? [pid 5514] +++ exited with 0 +++ [pid 5515] <... openat resumed>) = 3 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5514, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5515] chdir("./file0" [pid 5513] <... close resumed>) = 0 [pid 5515] <... chdir resumed>) = 0 [pid 5513] exit_group(0 [pid 5515] ioctl(4, LOOP_CLR_FD) = 0 [pid 5513] <... exit_group resumed>) = ? [pid 5513] +++ exited with 0 +++ [pid 5515] close(4 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5513, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5515] <... close resumed>) = 0 [pid 5072] umount2("./73", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./72", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5515] exit_group(0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5515] <... exit_group resumed>) = ? [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5515] +++ exited with 0 +++ [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5515, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5070] <... openat resumed>) = 3 [pid 5072] <... openat resumed>) = 3 [pid 5070] fstat(3, [pid 5072] fstat(3, [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(3, [pid 5072] getdents64(3, [pid 5070] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5072] umount2("./73/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./72/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] umount2("./70", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] lstat("./73/binderfs", [pid 5070] lstat("./72/binderfs", [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] unlink("./73/binderfs" [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5068] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... unlink resumed>) = 0 [pid 5070] unlink("./72/binderfs" [pid 5068] getdents64(3, [pid 5072] umount2("./73/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5070] <... unlink resumed>) = 0 [pid 5068] umount2("./70/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./72/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] lstat("./70/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] unlink("./70/binderfs") = 0 [pid 5068] umount2("./70/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5517] <... mount resumed>) = 0 [pid 5517] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5517] chdir("./file0") = 0 [pid 5517] ioctl(4, LOOP_CLR_FD) = 0 [pid 5517] close(4) = 0 [ 97.288070][ T5515] ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) [ 97.298097][ T5516] ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512) [ 97.311075][ T5517] ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) [pid 5517] exit_group(0) = ? [pid 5512] <... mount resumed>) = 0 [pid 5512] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5512] chdir("./file0" [pid 5516] <... mount resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 5517] +++ exited with 0 +++ [pid 5512] <... chdir resumed>) = 0 [pid 5516] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5512] ioctl(4, LOOP_CLR_FD [pid 5516] <... openat resumed>) = 3 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5517, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=2 /* 0.02 s */} --- [pid 5512] <... ioctl resumed>) = 0 [pid 5516] chdir("./file0" [pid 5512] close(4 [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 5516] <... chdir resumed>) = 0 [pid 5512] <... close resumed>) = 0 [pid 5068] umount2("./70/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] lstat("./70/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] umount2("./70/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5516] ioctl(4, LOOP_CLR_FD [pid 5512] exit_group(0 [pid 5070] <... umount2 resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... restart_syscall resumed>) = 0 [pid 5516] <... ioctl resumed>) = 0 [pid 5512] <... exit_group resumed>) = ? [pid 5072] <... umount2 resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./70/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5068] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] getdents64(4, 0x555556583660 /* 2 entries */, 32768) = 48 [pid 5068] getdents64(4, 0x555556583660 /* 0 entries */, 32768) = 0 [pid 5068] close(4) = 0 [pid 5072] umount2("./73/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] rmdir("./70/file0" [pid 5516] close(4 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./72/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... rmdir resumed>) = 0 [pid 5072] lstat("./73/file0", [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] lstat("./72/file0", [pid 5068] getdents64(3, [pid 5516] <... close resumed>) = 0 [pid 5512] +++ exited with 0 +++ [pid 5072] umount2("./73/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5516] exit_group(0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./72/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5516] <... exit_group resumed>) = ? [pid 5072] openat(AT_FDCWD, "./73/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5512, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=6 /* 0.06 s */} --- [pid 5068] close(3 [pid 5067] umount2("./69", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... openat resumed>) = 4 [pid 5070] openat(AT_FDCWD, "./72/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5068] <... close resumed>) = 0 [pid 5072] fstat(4, [pid 5070] <... openat resumed>) = 4 [pid 5069] <... restart_syscall resumed>) = 0 [pid 5068] rmdir("./70" [pid 5516] +++ exited with 0 +++ [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] fstat(4, [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] getdents64(4, [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5516, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] mkdir("./71", 0777 [pid 5067] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, [pid 5069] umount2("./71", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... mkdir resumed>) = 0 [pid 5072] getdents64(4, [pid 5070] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5067] <... openat resumed>) = 3 [pid 5072] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5071] umount2("./72", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] getdents64(4, [pid 5069] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... openat resumed>) = 3 [pid 5067] fstat(3, [pid 5072] close(4 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5072] <... close resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] close(4 [pid 5069] fstat(3, [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] rmdir("./73/file0" [pid 5071] <... openat resumed>) = 3 [pid 5070] <... close resumed>) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] close(3 [pid 5072] <... rmdir resumed>) = 0 [pid 5071] fstat(3, [pid 5070] rmdir("./72/file0" [pid 5069] getdents64(3, [pid 5068] <... close resumed>) = 0 [pid 5067] getdents64(3, [pid 5072] getdents64(3, [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5071] getdents64(3, [pid 5070] getdents64(3, [pid 5069] umount2("./71/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5072] close(3 [pid 5071] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5070] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5518 [pid 5067] umount2("./69/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... close resumed>) = 0 [pid 5071] umount2("./72/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] close(3 [pid 5069] lstat("./71/binderfs", [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] rmdir("./73" [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... close resumed>) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5067] lstat("./69/binderfs", [pid 5072] <... rmdir resumed>) = 0 [pid 5071] lstat("./72/binderfs", [pid 5070] rmdir("./72" [pid 5069] unlink("./71/binderfs" [pid 5072] mkdir("./74", 0777 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 5067] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] <... mkdir resumed>) = 0 [pid 5071] unlink("./72/binderfs" [pid 5070] mkdir("./73", 0777 [pid 5069] umount2("./71/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5518 attached [pid 5072] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5071] <... unlink resumed>) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 5067] unlink("./69/binderfs" [pid 5072] <... openat resumed>) = 3 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5070] <... openat resumed>) = 3 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5072] close(3 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] <... close resumed>) = 0 [pid 5070] close(3 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... close resumed>) = 0 [pid 5518] chdir("./71" [pid 5071] umount2("./72/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5518] <... chdir resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5519 [pid 5067] <... unlink resumed>) = 0 [pid 5518] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5520 [pid 5067] umount2("./69/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5518] <... prctl resumed>) = 0 [pid 5518] setpgid(0, 0) = 0 [pid 5518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5519 attached [pid 5519] chdir("./74" [pid 5069] <... umount2 resumed>) = 0 [pid 5069] umount2("./71/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5519] <... chdir resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5519] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5518] <... openat resumed>) = 3 [pid 5069] lstat("./71/file0", [pid 5519] setpgid(0, 0 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5519] <... setpgid resumed>) = 0 [pid 5069] umount2("./71/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5519] <... openat resumed>) = 3 [pid 5069] openat(AT_FDCWD, "./71/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5519] write(3, "1000", 4 [pid 5069] <... openat resumed>) = 4 [pid 5519] <... write resumed>) = 4 [pid 5069] fstat(4, [pid 5519] close(3 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5519] <... close resumed>) = 0 [pid 5069] getdents64(4, [pid 5519] symlink("/dev/binderfs", "./binderfs" [pid 5069] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5519] <... symlink resumed>) = 0 [pid 5069] getdents64(4, [pid 5519] memfd_create("syzkaller", 0 [pid 5069] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5519] <... memfd_create resumed>) = 3 [pid 5069] close(4 [pid 5519] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] <... close resumed>) = 0 [pid 5519] <... mmap resumed>) = 0x7fdf55e96000 [pid 5518] write(3, "1000", 4 [pid 5069] rmdir("./71/file0" [pid 5518] <... write resumed>) = 4 [pid 5071] <... umount2 resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5520 attached [pid 5518] close(3 [pid 5069] getdents64(3, [pid 5520] chdir("./73" [pid 5518] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5520] <... chdir resumed>) = 0 [pid 5518] symlink("/dev/binderfs", "./binderfs" [pid 5071] umount2("./72/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] close(3 [pid 5067] <... umount2 resumed>) = 0 [pid 5520] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5518] <... symlink resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... close resumed>) = 0 [pid 5520] <... prctl resumed>) = 0 [pid 5069] rmdir("./71" [pid 5067] umount2("./69/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5520] setpgid(0, 0 [pid 5518] memfd_create("syzkaller", 0 [pid 5071] lstat("./72/file0", [pid 5069] <... rmdir resumed>) = 0 [pid 5520] <... setpgid resumed>) = 0 [pid 5518] <... memfd_create resumed>) = 3 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] mkdir("./72", 0777 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5518] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] umount2("./72/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... mkdir resumed>) = 0 [pid 5067] lstat("./69/file0", [pid 5520] <... openat resumed>) = 3 [pid 5518] <... mmap resumed>) = 0x7fdf55e96000 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5520] write(3, "1000", 4 [pid 5069] <... openat resumed>) = 3 [pid 5067] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] close(3) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5520] <... write resumed>) = 4 [pid 5071] openat(AT_FDCWD, "./72/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] umount2("./69/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5520] close(3 [pid 5071] <... openat resumed>) = 4 [pid 5069] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5521 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5520] <... close resumed>) = 0 [pid 5071] fstat(4, [pid 5067] openat(AT_FDCWD, "./69/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5520] symlink("/dev/binderfs", "./binderfs" [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5521 attached [pid 5520] <... symlink resumed>) = 0 [pid 5071] getdents64(4, [pid 5067] <... openat resumed>) = 4 [pid 5521] chdir("./72") = 0 [pid 5520] memfd_create("syzkaller", 0 [pid 5071] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5067] fstat(4, [pid 5521] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5521] setpgid(0, 0) = 0 [pid 5521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5521] write(3, "1000", 4 [pid 5520] <... memfd_create resumed>) = 3 [pid 5071] getdents64(4, [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5521] <... write resumed>) = 4 [pid 5520] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5067] getdents64(4, [pid 5521] close(3 [pid 5520] <... mmap resumed>) = 0x7fdf55e96000 [pid 5071] close(4 [pid 5521] <... close resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5521] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5521] memfd_create("syzkaller", 0) = 3 [pid 5521] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 [pid 5071] <... close resumed>) = 0 [pid 5067] getdents64(4, [pid 5071] rmdir("./72/file0" [pid 5067] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5067] close(4 [pid 5071] getdents64(3, [pid 5067] <... close resumed>) = 0 [pid 5071] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5071] close(3 [pid 5067] rmdir("./69/file0" [pid 5071] <... close resumed>) = 0 [pid 5071] rmdir("./72" [pid 5067] <... rmdir resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5067] getdents64(3, [pid 5071] mkdir("./73", 0777 [pid 5067] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 5067] close(3 [pid 5519] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5067] <... close resumed>) = 0 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5067] rmdir("./69" [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] close(3 [pid 5067] <... rmdir resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5067] mkdir("./70", 0777 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... mkdir resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5071] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5522 [pid 5067] <... openat resumed>) = 3 [pid 5520] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5067] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5522 attached [pid 5518] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5067] close(3 [pid 5522] chdir("./73") = 0 [pid 5067] <... close resumed>) = 0 [pid 5522] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555657a5d0) = 5523 [pid 5522] <... prctl resumed>) = 0 [pid 5522] setpgid(0, 0) = 0 [pid 5522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5522] write(3, "1000", 4) = 4 [pid 5522] close(3 [pid 5521] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152./strace-static-x86_64: Process 5523 attached [pid 5522] <... close resumed>) = 0 [pid 5523] chdir("./70" [pid 5522] symlink("/dev/binderfs", "./binderfs" [pid 5523] <... chdir resumed>) = 0 [pid 5523] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5522] <... symlink resumed>) = 0 [pid 5523] <... prctl resumed>) = 0 [pid 5523] setpgid(0, 0) = 0 [pid 5523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5522] memfd_create("syzkaller", 0 [pid 5523] <... openat resumed>) = 3 [pid 5522] <... memfd_create resumed>) = 3 [pid 5523] write(3, "1000", 4 [pid 5522] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5523] <... write resumed>) = 4 [pid 5522] <... mmap resumed>) = 0x7fdf55e96000 [pid 5523] close(3) = 0 [pid 5523] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5523] memfd_create("syzkaller", 0) = 3 [pid 5523] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 [pid 5519] <... write resumed>) = 2097152 [pid 5518] <... write resumed>) = 2097152 [pid 5519] munmap(0x7fdf55e96000, 2097152) = 0 [pid 5518] munmap(0x7fdf55e96000, 2097152 [pid 5519] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5518] <... munmap resumed>) = 0 [pid 5519] ioctl(4, LOOP_SET_FD, 3 [pid 5520] <... write resumed>) = 2097152 [pid 5518] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5520] munmap(0x7fdf55e96000, 2097152 [pid 5518] ioctl(4, LOOP_SET_FD, 3 [pid 5521] <... write resumed>) = 2097152 [pid 5519] <... ioctl resumed>) = 0 [pid 5519] close(3) = 0 [pid 5519] mkdir("./file0", 0777) = 0 [pid 5520] <... munmap resumed>) = 0 [pid 5519] mount("/dev/loop5", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5522] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5520] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5521] munmap(0x7fdf55e96000, 2097152 [pid 5520] <... openat resumed>) = 4 [pid 5523] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5520] ioctl(4, LOOP_SET_FD, 3 [pid 5518] <... ioctl resumed>) = 0 [ 97.648830][ T5519] loop5: detected capacity change from 0 to 4096 [ 97.659208][ T5518] loop1: detected capacity change from 0 to 4096 [ 97.686387][ T5519] ntfs3: loop5: Different NTFS' sector size (1024) and media sector size (512) [pid 5521] <... munmap resumed>) = 0 [pid 5521] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5521] ioctl(4, LOOP_SET_FD, 3 [pid 5520] <... ioctl resumed>) = 0 [pid 5518] close(3 [pid 5520] close(3 [pid 5518] <... close resumed>) = 0 [pid 5520] <... close resumed>) = 0 [pid 5518] mkdir("./file0", 0777 [pid 5520] mkdir("./file0", 0777 [pid 5518] <... mkdir resumed>) = 0 [pid 5520] <... mkdir resumed>) = 0 [pid 5518] mount("/dev/loop1", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [ 97.718865][ T5520] loop3: detected capacity change from 0 to 4096 [ 97.724659][ T5521] loop2: detected capacity change from 0 to 4096 [pid 5520] mount("/dev/loop3", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5521] <... ioctl resumed>) = 0 [pid 5521] close(3) = 0 [pid 5521] mkdir("./file0", 0777) = 0 [pid 5521] mount("/dev/loop2", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5522] <... write resumed>) = 2097152 [pid 5522] munmap(0x7fdf55e96000, 2097152) = 0 [pid 5522] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 97.760964][ T5520] ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) [ 97.770805][ T5518] ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) [ 97.789484][ T5521] ntfs3: loop2: Different NTFS' sector size (1024) and media sector size (512) [pid 5522] ioctl(4, LOOP_SET_FD, 3 [pid 5519] <... mount resumed>) = 0 [pid 5519] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5519] chdir("./file0") = 0 [pid 5519] ioctl(4, LOOP_CLR_FD) = 0 [pid 5523] <... write resumed>) = 2097152 [pid 5519] close(4 [pid 5523] munmap(0x7fdf55e96000, 2097152 [pid 5519] <... close resumed>) = 0 [pid 5523] <... munmap resumed>) = 0 [pid 5519] exit_group(0) = ? [pid 5519] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5519, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5520] <... mount resumed>) = 0 [pid 5072] umount2("./74", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5523] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5520] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5523] <... openat resumed>) = 4 [pid 5522] <... ioctl resumed>) = 0 [pid 5520] <... openat resumed>) = 3 [pid 5072] <... openat resumed>) = 3 [ 97.823479][ T5522] loop4: detected capacity change from 0 to 4096 [pid 5523] ioctl(4, LOOP_SET_FD, 3 [pid 5522] close(3 [pid 5520] chdir("./file0" [pid 5518] <... mount resumed>) = 0 [pid 5072] fstat(3, [pid 5522] <... close resumed>) = 0 [pid 5520] <... chdir resumed>) = 0 [pid 5518] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5522] mkdir("./file0", 0777 [pid 5520] ioctl(4, LOOP_CLR_FD [pid 5518] <... openat resumed>) = 3 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5522] <... mkdir resumed>) = 0 [pid 5520] <... ioctl resumed>) = 0 [pid 5518] chdir("./file0" [pid 5072] getdents64(3, [pid 5522] mount("/dev/loop4", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5520] close(4 [pid 5518] <... chdir resumed>) = 0 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5523] <... ioctl resumed>) = 0 [pid 5521] <... mount resumed>) = 0 [pid 5520] <... close resumed>) = 0 [pid 5518] ioctl(4, LOOP_CLR_FD [pid 5072] umount2("./74/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5523] close(3 [pid 5521] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5520] exit_group(0 [pid 5518] <... ioctl resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5520] <... exit_group resumed>) = ? [pid 5518] close(4 [pid 5523] <... close resumed>) = 0 [pid 5521] <... openat resumed>) = 3 [pid 5520] +++ exited with 0 +++ [pid 5518] <... close resumed>) = 0 [pid 5072] lstat("./74/binderfs", [pid 5523] mkdir("./file0", 0777 [pid 5521] chdir("./file0" [pid 5518] exit_group(0 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5521] <... chdir resumed>) = 0 [pid 5518] <... exit_group resumed>) = ? [pid 5072] unlink("./74/binderfs" [pid 5523] <... mkdir resumed>) = 0 [pid 5521] ioctl(4, LOOP_CLR_FD [pid 5518] +++ exited with 0 +++ [pid 5072] <... unlink resumed>) = 0 [pid 5523] mount("/dev/loop0", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5521] <... ioctl resumed>) = 0 [pid 5072] umount2("./74/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5520, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=5 /* 0.05 s */} --- [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5518, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5521] close(4 [pid 5072] <... umount2 resumed>) = 0 [pid 5070] umount2("./73", MNT_DETACH|UMOUNT_NOFOLLOW [ 97.872141][ T5523] loop0: detected capacity change from 0 to 4096 [ 97.893460][ T5522] ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512) [pid 5068] umount2("./71", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5521] <... close resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5521] exit_group(0 [pid 5068] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5521] <... exit_group resumed>) = ? [pid 5070] <... openat resumed>) = 3 [pid 5068] <... openat resumed>) = 3 [pid 5521] +++ exited with 0 +++ [pid 5070] fstat(3, [pid 5068] fstat(3, [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(3, [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5521, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=5 /* 0.05 s */} --- [pid 5068] getdents64(3, [pid 5070] umount2("./73/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5068] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... restart_syscall resumed>) = 0 [pid 5068] umount2("./71/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] lstat("./73/binderfs", [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] umount2("./74/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] lstat("./71/binderfs", [pid 5070] unlink("./73/binderfs" [pid 5069] umount2("./72", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... unlink resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./73/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] unlink("./71/binderfs" [pid 5069] <... openat resumed>) = 3 [pid 5068] <... unlink resumed>) = 0 [pid 5072] lstat("./74/file0", [pid 5522] <... mount resumed>) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5069] fstat(3, [pid 5068] umount2("./71/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5522] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./73/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5522] <... openat resumed>) = 3 [pid 5072] umount2("./74/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] getdents64(3, [pid 5522] chdir("./file0" [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5522] <... chdir resumed>) = 0 [pid 5522] ioctl(4, LOOP_CLR_FD) = 0 [pid 5072] openat(AT_FDCWD, "./74/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] lstat("./73/file0", [pid 5069] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5522] close(4 [pid 5072] <... openat resumed>) = 4 [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5523] <... mount resumed>) = 0 [pid 5522] <... close resumed>) = 0 [pid 5072] fstat(4, [pid 5069] umount2("./72/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5522] exit_group(0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./73/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5522] <... exit_group resumed>) = ? [pid 5523] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5522] +++ exited with 0 +++ [pid 5072] getdents64(4, [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5522, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=3 /* 0.03 s */} --- [ 97.939541][ T5523] ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) [pid 5071] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5072] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5070] openat(AT_FDCWD, "./73/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] lstat("./72/binderfs", [pid 5071] umount2("./73", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, 0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./73/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./73/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./73/binderfs") = 0 [pid 5071] umount2("./73/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5523] <... openat resumed>) = 3 [pid 5072] getdents64(4, [pid 5070] <... openat resumed>) = 4 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 5523] chdir("./file0" [pid 5072] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5070] fstat(4, [pid 5069] unlink("./72/binderfs" [pid 5523] <... chdir resumed>) = 0 [pid 5072] close(4 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 5068] umount2("./71/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5523] ioctl(4, LOOP_CLR_FD [pid 5072] <... close resumed>) = 0 [pid 5070] getdents64(4, [pid 5069] umount2("./72/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5523] <... ioctl resumed>) = 0 [pid 5072] rmdir("./74/file0" [pid 5070] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5068] lstat("./71/file0", [pid 5523] close(4 [pid 5072] <... rmdir resumed>) = 0 [pid 5070] getdents64(4, [pid 5068] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5523] <... close resumed>) = 0 [pid 5072] getdents64(3, [pid 5070] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5068] umount2("./71/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5070] close(4 [pid 5523] exit_group(0 [pid 5072] close(3 [pid 5070] <... close resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./71/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5523] <... exit_group resumed>) = ? [pid 5072] <... close resumed>) = 0 [pid 5070] rmdir("./73/file0" [pid 5068] <... openat resumed>) = 4 [pid 5523] +++ exited with 0 +++ [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5523, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=6 /* 0.06 s */} --- [pid 5067] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5072] rmdir("./74" [pid 5070] <... rmdir resumed>) = 0 [pid 5068] fstat(4, [pid 5067] umount2("./70", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... rmdir resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5072] mkdir("./75", 0777 [pid 5070] getdents64(3, [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] getdents64(3, [pid 5070] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5068] getdents64(4, [pid 5067] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5067] umount2("./70/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... mkdir resumed>) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5070] close(3 [pid 5069] umount2("./72/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5071] umount2("./73/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] getdents64(4, [pid 5072] <... openat resumed>) = 3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] rmdir("./73" [pid 5069] lstat("./72/file0", [pid 5068] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5067] lstat("./70/binderfs", [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5071] lstat("./73/file0", [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] close(4 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] mkdir("./74", 0777 [pid 5069] umount2("./72/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... close resumed>) = 0 [pid 5067] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] close(3 [pid 5071] umount2("./73/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... mkdir resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] rmdir("./71/file0" [pid 5067] unlink("./70/binderfs" [pid 5072] <... close resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] openat(AT_FDCWD, "./72/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... rmdir resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] openat(AT_FDCWD, "./73/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... openat resumed>) = 3 [pid 5069] <... openat resumed>) = 4 [pid 5068] getdents64(3, [pid 5067] <... unlink resumed>) = 0 [pid 5071] <... openat resumed>) = 4 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] fstat(4, [pid 5068] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5067] umount2("./70/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5524 [pid 5071] fstat(4, [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] close(3 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] close(3 [pid 5069] getdents64(4, [pid 5068] <... close resumed>) = 0 [pid 5071] getdents64(4, [pid 5070] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5068] rmdir("./71" [pid 5071] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] getdents64(4, [pid 5068] <... rmdir resumed>) = 0 [pid 5071] getdents64(4, [pid 5069] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5068] mkdir("./72", 0777 [pid 5071] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5525 [pid 5069] close(4 [pid 5068] <... mkdir resumed>) = 0 [pid 5071] close(4 [pid 5069] <... close resumed>) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5071] <... close resumed>) = 0 [pid 5069] rmdir("./72/file0" [pid 5068] <... openat resumed>) = 3 [pid 5071] rmdir("./73/file0" [pid 5069] <... rmdir resumed>) = 0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5067] <... umount2 resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5069] getdents64(3, [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] getdents64(3, [pid 5069] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5068] close(3./strace-static-x86_64: Process 5525 attached [pid 5071] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5069] close(3 [pid 5068] <... close resumed>) = 0 ./strace-static-x86_64: Process 5524 attached [pid 5525] chdir("./74" [pid 5071] close(3 [pid 5069] <... close resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5525] <... chdir resumed>) = 0 [pid 5524] chdir("./75" [pid 5071] <... close resumed>) = 0 [pid 5069] rmdir("./72" [pid 5067] umount2("./70/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5525] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5524] <... chdir resumed>) = 0 [pid 5071] rmdir("./73" [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5526 [pid 5525] <... prctl resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5069] mkdir("./73", 0777 [pid 5525] setpgid(0, 0 [pid 5524] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] mkdir("./74", 0777 [pid 5069] <... mkdir resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5525] <... setpgid resumed>) = 0 [pid 5524] <... prctl resumed>) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5067] lstat("./70/file0", ./strace-static-x86_64: Process 5526 attached [pid 5525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5524] setpgid(0, 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5069] <... openat resumed>) = 3 [pid 5526] chdir("./72" [pid 5525] <... openat resumed>) = 3 [pid 5524] <... setpgid resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5067] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5526] <... chdir resumed>) = 0 [pid 5525] write(3, "1000", 4 [pid 5524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5067] umount2("./70/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5526] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5525] <... write resumed>) = 4 [pid 5524] <... openat resumed>) = 3 [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] close(3 [pid 5526] <... prctl resumed>) = 0 [pid 5525] close(3 [pid 5524] write(3, "1000", 4 [pid 5071] close(3 [pid 5069] <... close resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5526] setpgid(0, 0 [pid 5525] <... close resumed>) = 0 [pid 5524] <... write resumed>) = 4 [pid 5071] <... close resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] openat(AT_FDCWD, "./70/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5526] <... setpgid resumed>) = 0 [pid 5525] symlink("/dev/binderfs", "./binderfs" [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5525] <... symlink resumed>) = 0 [pid 5524] close(3 [pid 5069] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5527 [pid 5067] <... openat resumed>) = 4 [pid 5526] <... openat resumed>) = 3 [pid 5525] memfd_create("syzkaller", 0 [pid 5524] <... close resumed>) = 0 [pid 5071] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5528 [pid 5067] fstat(4, [pid 5526] write(3, "1000", 4 [pid 5525] <... memfd_create resumed>) = 3 [pid 5524] symlink("/dev/binderfs", "./binderfs" [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5526] <... write resumed>) = 4 [pid 5525] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5524] <... symlink resumed>) = 0 [pid 5067] getdents64(4, ./strace-static-x86_64: Process 5528 attached ./strace-static-x86_64: Process 5527 attached [pid 5526] close(3 [pid 5525] <... mmap resumed>) = 0x7fdf55e96000 [pid 5528] chdir("./74" [pid 5527] chdir("./73" [pid 5526] <... close resumed>) = 0 [pid 5524] memfd_create("syzkaller", 0 [pid 5067] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5528] <... chdir resumed>) = 0 [pid 5527] <... chdir resumed>) = 0 [pid 5526] symlink("/dev/binderfs", "./binderfs" [pid 5524] <... memfd_create resumed>) = 3 [pid 5067] getdents64(4, [pid 5528] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5527] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5526] <... symlink resumed>) = 0 [pid 5524] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5067] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5528] <... prctl resumed>) = 0 [pid 5527] <... prctl resumed>) = 0 [pid 5528] setpgid(0, 0 [pid 5527] setpgid(0, 0 [pid 5526] memfd_create("syzkaller", 0 [pid 5524] <... mmap resumed>) = 0x7fdf55e96000 [pid 5067] close(4 [pid 5528] <... setpgid resumed>) = 0 [pid 5527] <... setpgid resumed>) = 0 [pid 5526] <... memfd_create resumed>) = 3 [pid 5528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5528] <... openat resumed>) = 3 [pid 5527] <... openat resumed>) = 3 [pid 5526] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5525] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5067] <... close resumed>) = 0 [pid 5528] write(3, "1000", 4 [pid 5527] write(3, "1000", 4 [pid 5526] <... mmap resumed>) = 0x7fdf55e96000 [pid 5528] <... write resumed>) = 4 [pid 5527] <... write resumed>) = 4 [pid 5528] close(3 [pid 5527] close(3 [pid 5528] <... close resumed>) = 0 [pid 5527] <... close resumed>) = 0 [pid 5528] symlink("/dev/binderfs", "./binderfs" [pid 5527] symlink("/dev/binderfs", "./binderfs" [pid 5528] <... symlink resumed>) = 0 [pid 5527] <... symlink resumed>) = 0 [pid 5067] rmdir("./70/file0" [pid 5528] memfd_create("syzkaller", 0 [pid 5527] memfd_create("syzkaller", 0 [pid 5528] <... memfd_create resumed>) = 3 [pid 5527] <... memfd_create resumed>) = 3 [pid 5067] <... rmdir resumed>) = 0 [pid 5528] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5527] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5067] getdents64(3, [pid 5528] <... mmap resumed>) = 0x7fdf55e96000 [pid 5527] <... mmap resumed>) = 0x7fdf55e96000 [pid 5067] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5067] close(3) = 0 [pid 5067] rmdir("./70") = 0 [pid 5067] mkdir("./71", 0777) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5067] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5067] close(3) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5524] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5067] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5529 [pid 5526] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152./strace-static-x86_64: Process 5529 attached [pid 5529] chdir("./71") = 0 [pid 5529] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5529] setpgid(0, 0) = 0 [pid 5529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5529] write(3, "1000", 4) = 4 [pid 5529] close(3) = 0 [pid 5529] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5529] memfd_create("syzkaller", 0) = 3 [pid 5529] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 [pid 5527] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5528] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5524] <... write resumed>) = 2097152 [pid 5526] <... write resumed>) = 2097152 [pid 5524] munmap(0x7fdf55e96000, 2097152 [pid 5526] munmap(0x7fdf55e96000, 2097152 [pid 5524] <... munmap resumed>) = 0 [pid 5524] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5524] ioctl(4, LOOP_SET_FD, 3 [pid 5526] <... munmap resumed>) = 0 [pid 5525] <... write resumed>) = 2097152 [pid 5525] munmap(0x7fdf55e96000, 2097152) = 0 [pid 5526] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5524] <... ioctl resumed>) = 0 [pid 5526] <... openat resumed>) = 4 [pid 5524] close(3 [pid 5526] ioctl(4, LOOP_SET_FD, 3 [pid 5524] <... close resumed>) = 0 [pid 5525] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5525] ioctl(4, LOOP_SET_FD, 3 [pid 5528] <... write resumed>) = 2097152 [pid 5525] <... ioctl resumed>) = 0 [pid 5524] mkdir("./file0", 0777) = 0 [pid 5524] mount("/dev/loop5", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5529] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5528] munmap(0x7fdf55e96000, 2097152 [pid 5526] <... ioctl resumed>) = 0 [pid 5525] close(3) = 0 [pid 5525] mkdir("./file0", 0777) = 0 [pid 5525] mount("/dev/loop3", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5526] close(3) = 0 [pid 5526] mkdir("./file0", 0777) = 0 [ 98.289989][ T5524] loop5: detected capacity change from 0 to 4096 [ 98.301433][ T5526] loop1: detected capacity change from 0 to 4096 [ 98.304416][ T5525] loop3: detected capacity change from 0 to 4096 [ 98.321962][ T5524] ntfs3: loop5: Different NTFS' sector size (1024) and media sector size (512) [pid 5526] mount("/dev/loop1", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5527] <... write resumed>) = 2097152 [pid 5527] munmap(0x7fdf55e96000, 2097152 [pid 5528] <... munmap resumed>) = 0 [pid 5528] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5528] ioctl(4, LOOP_SET_FD, 3 [pid 5527] <... munmap resumed>) = 0 [pid 5527] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5527] ioctl(4, LOOP_SET_FD, 3 [pid 5528] <... ioctl resumed>) = 0 [pid 5528] close(3) = 0 [pid 5528] mkdir("./file0", 0777) = 0 [pid 5528] mount("/dev/loop4", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5527] <... ioctl resumed>) = 0 [pid 5527] close(3) = 0 [ 98.335834][ T5525] ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) [ 98.336260][ T5526] ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) [ 98.367717][ T5528] loop4: detected capacity change from 0 to 4096 [ 98.372970][ T5527] loop2: detected capacity change from 0 to 4096 [pid 5527] mkdir("./file0", 0777) = 0 [pid 5527] mount("/dev/loop2", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5529] <... write resumed>) = 2097152 [pid 5525] <... mount resumed>) = 0 [pid 5524] <... mount resumed>) = 0 [pid 5529] munmap(0x7fdf55e96000, 2097152 [pid 5525] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5524] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5525] <... openat resumed>) = 3 [pid 5525] chdir("./file0" [pid 5529] <... munmap resumed>) = 0 [pid 5525] <... chdir resumed>) = 0 [pid 5529] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5525] ioctl(4, LOOP_CLR_FD [pid 5524] <... openat resumed>) = 3 [pid 5529] <... openat resumed>) = 4 [pid 5525] <... ioctl resumed>) = 0 [pid 5524] chdir("./file0" [pid 5529] ioctl(4, LOOP_SET_FD, 3 [pid 5525] close(4 [pid 5524] <... chdir resumed>) = 0 [pid 5525] <... close resumed>) = 0 [pid 5525] exit_group(0) = ? [pid 5525] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5525, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=6 /* 0.06 s */} --- [pid 5070] umount2("./74", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5524] ioctl(4, LOOP_CLR_FD [pid 5070] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5070] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(3, 0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./74/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./74/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] unlink("./74/binderfs") = 0 [pid 5070] umount2("./74/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5524] <... ioctl resumed>) = 0 [pid 5529] <... ioctl resumed>) = 0 [pid 5524] close(4 [pid 5070] <... umount2 resumed>) = 0 [pid 5529] close(3 [pid 5524] <... close resumed>) = 0 [pid 5529] <... close resumed>) = 0 [pid 5524] exit_group(0 [pid 5070] umount2("./74/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5529] mkdir("./file0", 0777 [pid 5524] <... exit_group resumed>) = ? [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5529] <... mkdir resumed>) = 0 [pid 5524] +++ exited with 0 +++ [pid 5070] lstat("./74/file0", [pid 5529] mount("/dev/loop0", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5524, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [ 98.387327][ T5528] ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512) [ 98.408701][ T5527] ntfs3: loop2: Different NTFS' sector size (1024) and media sector size (512) [ 98.430064][ T5529] loop0: detected capacity change from 0 to 4096 [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5528] <... mount resumed>) = 0 [pid 5527] <... mount resumed>) = 0 [pid 5070] umount2("./74/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5528] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] umount2("./75", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] openat(AT_FDCWD, "./74/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5528] <... openat resumed>) = 3 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... openat resumed>) = 4 [pid 5528] chdir("./file0" [pid 5072] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] fstat(4, [pid 5528] <... chdir resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5528] ioctl(4, LOOP_CLR_FD [pid 5527] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] fstat(3, [pid 5070] getdents64(4, [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5528] <... ioctl resumed>) = 0 [pid 5526] <... mount resumed>) = 0 [pid 5072] getdents64(3, [pid 5070] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5528] close(4 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5070] getdents64(4, [pid 5072] umount2("./75/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5528] <... close resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] close(4 [pid 5072] lstat("./75/binderfs", [pid 5070] <... close resumed>) = 0 [pid 5528] exit_group(0 [pid 5526] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5528] <... exit_group resumed>) = ? [pid 5526] <... openat resumed>) = 3 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] rmdir("./74/file0" [pid 5526] chdir("./file0" [pid 5072] unlink("./75/binderfs" [pid 5526] <... chdir resumed>) = 0 [pid 5526] ioctl(4, LOOP_CLR_FD) = 0 [pid 5526] close(4) = 0 [pid 5526] exit_group(0) = ? [pid 5528] +++ exited with 0 +++ [pid 5527] <... openat resumed>) = 3 [pid 5526] +++ exited with 0 +++ [pid 5072] <... unlink resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5072] umount2("./75/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5528, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=3 /* 0.03 s */} --- [pid 5070] getdents64(3, [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5526, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=6 /* 0.06 s */} --- [pid 5527] chdir("./file0" [pid 5070] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5071] umount2("./74", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] close(3 [pid 5068] umount2("./72", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5527] <... chdir resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... close resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5527] ioctl(4, LOOP_CLR_FD [pid 5071] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] rmdir("./74" [pid 5068] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5527] <... ioctl resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5070] <... rmdir resumed>) = 0 [pid 5071] fstat(3, [pid 5068] <... openat resumed>) = 3 [pid 5527] close(4 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] mkdir("./75", 0777 [pid 5071] getdents64(3, [pid 5068] fstat(3, [pid 5070] <... mkdir resumed>) = 0 [pid 5071] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5527] <... close resumed>) = 0 [pid 5071] umount2("./74/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5068] getdents64(3, [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./74/binderfs", [pid 5068] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5070] <... openat resumed>) = 3 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5068] umount2("./72/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5527] exit_group(0 [pid 5071] unlink("./74/binderfs" [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5527] <... exit_group resumed>) = ? [pid 5071] <... unlink resumed>) = 0 [pid 5070] close(3 [pid 5068] lstat("./72/binderfs", [pid 5071] umount2("./74/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... close resumed>) = 0 [pid 5068] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5529] <... mount resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] unlink("./72/binderfs" [pid 5529] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5529] chdir("./file0") = 0 [pid 5068] <... unlink resumed>) = 0 [pid 5529] ioctl(4, LOOP_CLR_FD [pid 5527] +++ exited with 0 +++ [pid 5068] umount2("./72/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5529] <... ioctl resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5530 [pid 5529] close(4 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5527, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- [ 98.470497][ T5529] ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) [pid 5529] <... close resumed>) = 0 [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5529] exit_group(0 [pid 5069] <... restart_syscall resumed>) = 0 [pid 5529] <... exit_group resumed>) = ? [pid 5529] +++ exited with 0 +++ [pid 5069] umount2("./73", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5529, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=4 /* 0.04 s */} --- [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5067] umount2("./71", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] fstat(3, [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] getdents64(3, [pid 5067] <... openat resumed>) = 3 [pid 5067] fstat(3, [pid 5069] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./73/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] getdents64(3, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5069] lstat("./73/binderfs", [pid 5067] umount2("./71/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] unlink("./73/binderfs" [pid 5067] lstat("./71/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5067] unlink("./71/binderfs" [pid 5069] <... unlink resumed>) = 0 [pid 5067] <... unlink resumed>) = 0 [pid 5072] <... umount2 resumed>) = 0 [pid 5069] umount2("./73/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./71/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./75/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./75/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./75/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5530 attached [pid 5072] openat(AT_FDCWD, "./75/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5530] chdir("./75" [pid 5072] fstat(4, [pid 5069] <... umount2 resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, 0x555556583660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(4, 0x555556583660 /* 0 entries */, 32768) = 0 [pid 5072] close(4) = 0 [pid 5072] rmdir("./75/file0") = 0 [pid 5072] getdents64(3, 0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5072] close(3 [pid 5068] <... umount2 resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 5072] rmdir("./75" [pid 5530] <... chdir resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5072] mkdir("./76", 0777) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5071] <... umount2 resumed>) = 0 [pid 5530] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5072] close(3 [pid 5530] <... prctl resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 5071] umount2("./74/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./73/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./72/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./71/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5530] setpgid(0, 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5530] <... setpgid resumed>) = 0 [pid 5071] lstat("./74/file0", [pid 5069] lstat("./73/file0", [pid 5068] lstat("./72/file0", [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5530] <... openat resumed>) = 3 [pid 5072] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5531 [pid 5071] umount2("./74/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./73/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./72/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] lstat("./71/file0", [pid 5530] write(3, "1000", 4 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5531 attached [pid 5530] <... write resumed>) = 4 [pid 5071] openat(AT_FDCWD, "./74/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] openat(AT_FDCWD, "./73/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] openat(AT_FDCWD, "./72/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] umount2("./71/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5531] chdir("./76" [pid 5530] close(3 [pid 5071] <... openat resumed>) = 4 [pid 5069] <... openat resumed>) = 4 [pid 5068] <... openat resumed>) = 4 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5531] <... chdir resumed>) = 0 [pid 5530] <... close resumed>) = 0 [pid 5071] fstat(4, [pid 5069] fstat(4, [pid 5068] fstat(4, [pid 5067] openat(AT_FDCWD, "./71/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5531] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5530] symlink("/dev/binderfs", "./binderfs" [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... openat resumed>) = 4 [pid 5531] <... prctl resumed>) = 0 [pid 5530] <... symlink resumed>) = 0 [pid 5071] getdents64(4, [pid 5069] getdents64(4, [pid 5068] getdents64(4, [pid 5067] fstat(4, [pid 5531] setpgid(0, 0 [pid 5530] memfd_create("syzkaller", 0 [pid 5071] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5069] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5068] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5531] <... setpgid resumed>) = 0 [pid 5530] <... memfd_create resumed>) = 3 [pid 5071] getdents64(4, [pid 5069] getdents64(4, [pid 5068] getdents64(4, [pid 5067] getdents64(4, [pid 5531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5530] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5069] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5068] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5067] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5531] <... openat resumed>) = 3 [pid 5530] <... mmap resumed>) = 0x7fdf55e96000 [pid 5071] close(4 [pid 5069] close(4 [pid 5068] close(4 [pid 5067] getdents64(4, [pid 5531] write(3, "1000", 4 [pid 5071] <... close resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5531] <... write resumed>) = 4 [pid 5071] rmdir("./74/file0" [pid 5069] rmdir("./73/file0" [pid 5068] rmdir("./72/file0" [pid 5067] close(4 [pid 5531] close(3 [pid 5071] <... rmdir resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5531] <... close resumed>) = 0 [pid 5071] getdents64(3, [pid 5069] getdents64(3, [pid 5068] getdents64(3, [pid 5067] rmdir("./71/file0" [pid 5531] symlink("/dev/binderfs", "./binderfs" [pid 5071] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5069] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5068] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5531] <... symlink resumed>) = 0 [pid 5071] close(3 [pid 5069] close(3 [pid 5068] close(3 [pid 5067] getdents64(3, [pid 5071] <... close resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5531] memfd_create("syzkaller", 0 [pid 5071] rmdir("./74" [pid 5069] rmdir("./73" [pid 5068] rmdir("./72" [pid 5067] close(3 [pid 5531] <... memfd_create resumed>) = 3 [pid 5071] <... rmdir resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5531] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] mkdir("./75", 0777 [pid 5069] mkdir("./74", 0777 [pid 5068] mkdir("./73", 0777 [pid 5067] rmdir("./71" [pid 5071] <... mkdir resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5067] mkdir("./72", 0777 [pid 5531] <... mmap resumed>) = 0x7fdf55e96000 [pid 5071] <... openat resumed>) = 3 [pid 5069] <... openat resumed>) = 3 [pid 5068] <... openat resumed>) = 3 [pid 5067] <... mkdir resumed>) = 0 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5067] <... openat resumed>) = 3 [pid 5071] close(3 [pid 5069] close(3 [pid 5068] close(3 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5071] <... close resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] close(3) = 0 [pid 5071] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5532 [pid 5069] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5533 [pid 5068] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5534 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555657a5d0) = 5535 ./strace-static-x86_64: Process 5533 attached ./strace-static-x86_64: Process 5535 attached [pid 5535] chdir("./72"./strace-static-x86_64: Process 5532 attached ) = 0 [pid 5533] chdir("./74" [pid 5535] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5533] <... chdir resumed>) = 0 [pid 5532] chdir("./75" [pid 5535] <... prctl resumed>) = 0 [pid 5533] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5532] <... chdir resumed>) = 0 [pid 5535] setpgid(0, 0 [pid 5533] <... prctl resumed>) = 0 [pid 5532] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5535] <... setpgid resumed>) = 0 [pid 5533] setpgid(0, 0 [pid 5532] <... prctl resumed>) = 0 [pid 5535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5533] <... setpgid resumed>) = 0 [pid 5532] setpgid(0, 0 [pid 5535] <... openat resumed>) = 3 [pid 5533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5532] <... setpgid resumed>) = 0 [pid 5535] write(3, "1000", 4 [pid 5533] <... openat resumed>) = 3 [pid 5532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5534 attached [pid 5535] <... write resumed>) = 4 [pid 5533] write(3, "1000", 4 [pid 5532] <... openat resumed>) = 3 [pid 5535] close(3 [pid 5533] <... write resumed>) = 4 [pid 5532] write(3, "1000", 4 [pid 5535] <... close resumed>) = 0 [pid 5534] chdir("./73" [pid 5533] close(3 [pid 5532] <... write resumed>) = 4 [pid 5535] symlink("/dev/binderfs", "./binderfs" [pid 5533] <... close resumed>) = 0 [pid 5532] close(3 [pid 5534] <... chdir resumed>) = 0 [pid 5535] <... symlink resumed>) = 0 [pid 5534] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5533] symlink("/dev/binderfs", "./binderfs" [pid 5532] <... close resumed>) = 0 [pid 5530] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5535] memfd_create("syzkaller", 0 [pid 5534] <... prctl resumed>) = 0 [pid 5533] <... symlink resumed>) = 0 [pid 5532] symlink("/dev/binderfs", "./binderfs" [pid 5535] <... memfd_create resumed>) = 3 [pid 5534] setpgid(0, 0 [pid 5533] memfd_create("syzkaller", 0 [pid 5532] <... symlink resumed>) = 0 [pid 5535] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5534] <... setpgid resumed>) = 0 [pid 5533] <... memfd_create resumed>) = 3 [pid 5532] memfd_create("syzkaller", 0 [pid 5535] <... mmap resumed>) = 0x7fdf55e96000 [pid 5534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5533] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5532] <... memfd_create resumed>) = 3 [pid 5534] <... openat resumed>) = 3 [pid 5533] <... mmap resumed>) = 0x7fdf55e96000 [pid 5532] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5534] write(3, "1000", 4 [pid 5532] <... mmap resumed>) = 0x7fdf55e96000 [pid 5534] <... write resumed>) = 4 [pid 5531] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5534] close(3) = 0 [pid 5534] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5534] memfd_create("syzkaller", 0) = 3 [pid 5534] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5535] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5534] <... mmap resumed>) = 0x7fdf55e96000 [pid 5533] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5530] <... write resumed>) = 2097152 [pid 5530] munmap(0x7fdf55e96000, 2097152) = 0 [pid 5530] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5530] ioctl(4, LOOP_SET_FD, 3 [pid 5532] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5531] <... write resumed>) = 2097152 [pid 5531] munmap(0x7fdf55e96000, 2097152 [pid 5530] <... ioctl resumed>) = 0 [pid 5530] close(3) = 0 [pid 5530] mkdir("./file0", 0777 [pid 5531] <... munmap resumed>) = 0 [pid 5530] <... mkdir resumed>) = 0 [ 98.764890][ T5530] loop3: detected capacity change from 0 to 4096 [pid 5531] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5530] mount("/dev/loop3", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5531] <... openat resumed>) = 4 [pid 5531] ioctl(4, LOOP_SET_FD, 3 [pid 5534] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5531] <... ioctl resumed>) = 0 [pid 5532] <... write resumed>) = 2097152 [pid 5531] close(3) = 0 [pid 5531] mkdir("./file0", 0777) = 0 [pid 5531] mount("/dev/loop5", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5535] <... write resumed>) = 2097152 [pid 5533] <... write resumed>) = 2097152 [pid 5533] munmap(0x7fdf55e96000, 2097152 [pid 5535] munmap(0x7fdf55e96000, 2097152) = 0 [pid 5533] <... munmap resumed>) = 0 [pid 5532] munmap(0x7fdf55e96000, 2097152 [pid 5530] <... mount resumed>) = 0 [pid 5532] <... munmap resumed>) = 0 [pid 5530] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5535] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5530] <... openat resumed>) = 3 [pid 5530] chdir("./file0" [pid 5535] <... openat resumed>) = 4 [pid 5530] <... chdir resumed>) = 0 [pid 5535] ioctl(4, LOOP_SET_FD, 3 [ 98.843080][ T5530] ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) [ 98.854331][ T5531] loop5: detected capacity change from 0 to 4096 [ 98.881635][ T5531] ntfs3: loop5: Different NTFS' sector size (1024) and media sector size (512) [pid 5533] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5530] ioctl(4, LOOP_CLR_FD [pid 5535] <... ioctl resumed>) = 0 [pid 5533] <... openat resumed>) = 4 [pid 5532] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5531] <... mount resumed>) = 0 [pid 5530] <... ioctl resumed>) = 0 [pid 5535] close(3 [pid 5534] <... write resumed>) = 2097152 [pid 5533] ioctl(4, LOOP_SET_FD, 3 [pid 5531] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5530] close(4 [pid 5535] <... close resumed>) = 0 [pid 5534] munmap(0x7fdf55e96000, 2097152 [pid 5533] <... ioctl resumed>) = 0 [pid 5532] <... openat resumed>) = 4 [pid 5531] <... openat resumed>) = 3 [pid 5530] <... close resumed>) = 0 [pid 5535] mkdir("./file0", 0777 [pid 5532] ioctl(4, LOOP_SET_FD, 3 [pid 5535] <... mkdir resumed>) = 0 [pid 5534] <... munmap resumed>) = 0 [pid 5533] close(3 [pid 5532] <... ioctl resumed>) = 0 [pid 5531] chdir("./file0" [pid 5530] exit_group(0 [pid 5535] mount("/dev/loop0", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5534] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5533] <... close resumed>) = 0 [pid 5532] close(3 [pid 5531] <... chdir resumed>) = 0 [pid 5530] <... exit_group resumed>) = ? [pid 5534] <... openat resumed>) = 4 [pid 5533] mkdir("./file0", 0777 [pid 5532] <... close resumed>) = 0 [pid 5531] ioctl(4, LOOP_CLR_FD [pid 5530] +++ exited with 0 +++ [pid 5534] ioctl(4, LOOP_SET_FD, 3 [pid 5533] <... mkdir resumed>) = 0 [pid 5532] mkdir("./file0", 0777 [pid 5531] <... ioctl resumed>) = 0 [pid 5534] <... ioctl resumed>) = 0 [ 98.907198][ T5535] loop0: detected capacity change from 0 to 4096 [ 98.918916][ T5533] loop2: detected capacity change from 0 to 4096 [ 98.929887][ T5532] loop4: detected capacity change from 0 to 4096 [ 98.939803][ T5535] ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) [ 98.944071][ T5534] loop1: detected capacity change from 0 to 4096 [pid 5533] mount("/dev/loop2", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5532] <... mkdir resumed>) = 0 [pid 5531] close(4 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5530, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=3 /* 0.03 s */} --- [pid 5534] close(3 [pid 5532] mount("/dev/loop4", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5531] <... close resumed>) = 0 [pid 5534] <... close resumed>) = 0 [pid 5534] mkdir("./file0", 0777 [pid 5070] umount2("./75", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5534] <... mkdir resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5534] mount("/dev/loop1", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5070] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5531] exit_group(0 [pid 5070] <... openat resumed>) = 3 [pid 5531] <... exit_group resumed>) = ? [pid 5531] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5531, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5535] <... mount resumed>) = 0 [pid 5072] <... restart_syscall resumed>) = 0 [pid 5070] fstat(3, [pid 5535] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5535] <... openat resumed>) = 3 [pid 5070] getdents64(3, [pid 5535] chdir("./file0" [pid 5072] umount2("./76", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5535] <... chdir resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./75/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5535] ioctl(4, LOOP_CLR_FD [pid 5072] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5535] <... ioctl resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5070] lstat("./75/binderfs", [pid 5535] close(4 [pid 5072] fstat(3, [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5535] <... close resumed>) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 98.958056][ T5533] ntfs3: loop2: Different NTFS' sector size (1024) and media sector size (512) [ 98.978269][ T5532] ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512) [ 98.978326][ T5534] ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) [pid 5535] exit_group(0 [pid 5072] getdents64(3, [pid 5070] unlink("./75/binderfs" [pid 5535] <... exit_group resumed>) = ? [pid 5533] <... mount resumed>) = 0 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5535] +++ exited with 0 +++ [pid 5533] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] umount2("./76/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... unlink resumed>) = 0 [pid 5533] <... openat resumed>) = 3 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./75/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5535, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5533] chdir("./file0" [pid 5072] lstat("./76/binderfs", [pid 5533] <... chdir resumed>) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5533] ioctl(4, LOOP_CLR_FD [pid 5072] unlink("./76/binderfs" [pid 5533] <... ioctl resumed>) = 0 [pid 5072] <... unlink resumed>) = 0 [pid 5533] close(4 [pid 5072] umount2("./76/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5533] <... close resumed>) = 0 [pid 5533] exit_group(0) = ? [pid 5533] +++ exited with 0 +++ [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5533, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5067] umount2("./72", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] umount2("./74", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... openat resumed>) = 3 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] fstat(3, [pid 5069] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5067] getdents64(3, [pid 5069] fstat(3, [pid 5067] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] umount2("./72/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5534] <... mount resumed>) = 0 [pid 5532] <... mount resumed>) = 0 [pid 5072] <... umount2 resumed>) = 0 [pid 5069] getdents64(3, [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5534] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5532] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] umount2("./76/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5067] lstat("./72/binderfs", [pid 5534] <... openat resumed>) = 3 [pid 5532] <... openat resumed>) = 3 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./74/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5534] chdir("./file0" [pid 5532] chdir("./file0" [pid 5072] lstat("./76/file0", [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] unlink("./72/binderfs" [pid 5534] <... chdir resumed>) = 0 [pid 5532] <... chdir resumed>) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5069] lstat("./74/binderfs", [pid 5067] <... unlink resumed>) = 0 [pid 5534] ioctl(4, LOOP_CLR_FD [pid 5532] ioctl(4, LOOP_CLR_FD [pid 5072] umount2("./76/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5067] umount2("./72/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5534] <... ioctl resumed>) = 0 [pid 5532] <... ioctl resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./75/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] unlink("./74/binderfs" [pid 5534] close(4 [pid 5532] close(4 [pid 5072] openat(AT_FDCWD, "./76/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... unlink resumed>) = 0 [pid 5534] <... close resumed>) = 0 [pid 5532] <... close resumed>) = 0 [pid 5072] <... openat resumed>) = 4 [pid 5069] umount2("./74/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5534] exit_group(0 [pid 5532] exit_group(0 [pid 5072] fstat(4, [pid 5534] <... exit_group resumed>) = ? [pid 5532] <... exit_group resumed>) = ? [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5534] +++ exited with 0 +++ [pid 5532] +++ exited with 0 +++ [pid 5072] getdents64(4, [pid 5069] <... umount2 resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5532, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5070] lstat("./75/file0", [pid 5069] umount2("./74/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = 0 [pid 5072] getdents64(4, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5069] lstat("./74/file0", [pid 5072] close(4 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... close resumed>) = 0 [pid 5069] umount2("./74/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] rmdir("./76/file0" [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... rmdir resumed>) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] openat(AT_FDCWD, "./74/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5534, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5072] getdents64(3, [pid 5070] umount2("./75/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... openat resumed>) = 4 [pid 5067] umount2("./72/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] fstat(4, [pid 5072] close(3 [pid 5071] umount2("./75", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] openat(AT_FDCWD, "./75/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... close resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] getdents64(4, [pid 5072] rmdir("./76" [pid 5071] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... openat resumed>) = 4 [pid 5069] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5067] lstat("./72/file0", [pid 5072] <... rmdir resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5070] fstat(4, [pid 5069] getdents64(4, [pid 5068] umount2("./73", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] mkdir("./77", 0777 [pid 5071] fstat(3, [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] umount2("./72/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... mkdir resumed>) = 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(4, [pid 5069] close(4 [pid 5068] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5071] getdents64(3, [pid 5070] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5069] <... close resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./72/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... openat resumed>) = 3 [pid 5071] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5070] getdents64(4, [pid 5069] rmdir("./74/file0" [pid 5068] <... openat resumed>) = 3 [pid 5067] <... openat resumed>) = 4 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5071] umount2("./75/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] fstat(3, [pid 5067] fstat(4, [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] close(4 [pid 5069] getdents64(3, [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] close(3 [pid 5071] lstat("./75/binderfs", [pid 5070] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5068] getdents64(3, [pid 5067] getdents64(4, [pid 5072] <... close resumed>) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] rmdir("./75/file0" [pid 5069] close(3 [pid 5068] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5067] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] unlink("./75/binderfs" [pid 5069] <... close resumed>) = 0 [pid 5067] getdents64(4, [pid 5071] <... unlink resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] rmdir("./74" [pid 5068] umount2("./73/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5536 [pid 5071] umount2("./75/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] getdents64(3, [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] close(4 [pid 5070] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5069] mkdir("./75", 0777 [pid 5068] lstat("./73/binderfs", [pid 5067] <... close resumed>) = 0 [pid 5070] close(3 [pid 5069] <... mkdir resumed>) = 0 [pid 5068] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5067] rmdir("./72/file0" [pid 5070] <... close resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5068] unlink("./73/binderfs" [pid 5067] <... rmdir resumed>) = 0 [pid 5070] rmdir("./75" [pid 5069] <... openat resumed>) = 3 [pid 5067] getdents64(3, [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] <... unlink resumed>) = 0 [pid 5067] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... ioctl resumed>) = 0 [pid 5068] umount2("./73/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] close(3./strace-static-x86_64: Process 5536 attached [pid 5070] mkdir("./76", 0777 [pid 5069] close(3 [pid 5067] <... close resumed>) = 0 [pid 5536] chdir("./77" [pid 5069] <... close resumed>) = 0 [pid 5067] rmdir("./72" [pid 5536] <... chdir resumed>) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... rmdir resumed>) = 0 [pid 5536] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5067] mkdir("./73", 0777 [pid 5536] <... prctl resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5069] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5537 [pid 5067] <... mkdir resumed>) = 0 [pid 5536] setpgid(0, 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5536] <... setpgid resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5536] <... openat resumed>) = 3 [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5536] write(3, "1000", 4 [pid 5067] close(3 [pid 5536] <... write resumed>) = 4 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5067] <... close resumed>) = 0 [pid 5536] close(3 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5536] <... close resumed>) = 0 [pid 5536] symlink("/dev/binderfs", "./binderfs" [pid 5067] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5538 [pid 5536] <... symlink resumed>) = 0 [pid 5536] memfd_create("syzkaller", 0./strace-static-x86_64: Process 5537 attached ) = 3 [pid 5537] chdir("./75" [pid 5536] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5537] <... chdir resumed>) = 0 [pid 5536] <... mmap resumed>) = 0x7fdf55e96000 [pid 5537] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] <... umount2 resumed>) = 0 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5537] <... prctl resumed>) = 0 [pid 5070] close(3 [pid 5537] setpgid(0, 0 [pid 5070] <... close resumed>) = 0 [pid 5537] <... setpgid resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5538 attached [pid 5537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5538] chdir("./73" [pid 5537] <... openat resumed>) = 3 [pid 5538] <... chdir resumed>) = 0 [pid 5537] write(3, "1000", 4 [pid 5070] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5539 [pid 5538] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5537] <... write resumed>) = 4 [pid 5538] <... prctl resumed>) = 0 [pid 5537] close(3 [pid 5538] setpgid(0, 0 [pid 5537] <... close resumed>) = 0 [pid 5538] <... setpgid resumed>) = 0 [pid 5537] symlink("/dev/binderfs", "./binderfs" [pid 5538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5537] <... symlink resumed>) = 0 [pid 5538] <... openat resumed>) = 3 [pid 5537] memfd_create("syzkaller", 0 [pid 5538] write(3, "1000", 4 [pid 5537] <... memfd_create resumed>) = 3 [pid 5538] <... write resumed>) = 4 [pid 5537] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5538] close(3 [pid 5537] <... mmap resumed>) = 0x7fdf55e96000 ./strace-static-x86_64: Process 5539 attached [pid 5538] <... close resumed>) = 0 [pid 5071] umount2("./75/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = 0 [pid 5538] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5539] chdir("./76" [pid 5538] memfd_create("syzkaller", 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] umount2("./73/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5538] <... memfd_create resumed>) = 3 [pid 5538] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 [pid 5539] <... chdir resumed>) = 0 [pid 5071] lstat("./75/file0", [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5539] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5539] <... prctl resumed>) = 0 [pid 5068] lstat("./73/file0", [pid 5539] setpgid(0, 0 [pid 5071] umount2("./75/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5539] <... setpgid resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] umount2("./73/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] openat(AT_FDCWD, "./75/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5539] <... openat resumed>) = 3 [pid 5071] <... openat resumed>) = 4 [pid 5068] openat(AT_FDCWD, "./73/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5539] write(3, "1000", 4 [pid 5071] fstat(4, [pid 5539] <... write resumed>) = 4 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5539] close(3 [pid 5071] getdents64(4, [pid 5068] fstat(4, [pid 5539] <... close resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5539] symlink("/dev/binderfs", "./binderfs" [pid 5071] getdents64(4, [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5539] <... symlink resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5068] getdents64(4, [pid 5539] memfd_create("syzkaller", 0 [pid 5071] close(4) = 0 [pid 5068] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5539] <... memfd_create resumed>) = 3 [pid 5071] rmdir("./75/file0" [pid 5068] getdents64(4, [pid 5539] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5539] <... mmap resumed>) = 0x7fdf55e96000 [pid 5071] getdents64(3, [pid 5068] close(4 [pid 5071] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5068] <... close resumed>) = 0 [pid 5071] close(3 [pid 5068] rmdir("./73/file0" [pid 5071] <... close resumed>) = 0 [pid 5071] rmdir("./75" [pid 5068] <... rmdir resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5068] getdents64(3, [pid 5071] mkdir("./76", 0777 [pid 5068] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 5068] close(3 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5068] <... close resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5068] rmdir("./73" [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5536] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5068] <... rmdir resumed>) = 0 [pid 5537] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5071] close(3 [pid 5068] mkdir("./74", 0777 [pid 5071] <... close resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... mkdir resumed>) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5071] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5540 [pid 5068] <... openat resumed>) = 3 [pid 5068] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5068] close(3./strace-static-x86_64: Process 5540 attached ) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5540] chdir("./76"./strace-static-x86_64: Process 5541 attached ) = 0 [pid 5538] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5068] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5541 [pid 5541] chdir("./74" [pid 5540] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5541] <... chdir resumed>) = 0 [pid 5540] <... prctl resumed>) = 0 [pid 5541] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5540] setpgid(0, 0) = 0 [pid 5541] <... prctl resumed>) = 0 [pid 5540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5541] setpgid(0, 0) = 0 [pid 5540] <... openat resumed>) = 3 [pid 5541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5540] write(3, "1000", 4 [pid 5541] <... openat resumed>) = 3 [pid 5541] write(3, "1000", 4 [pid 5540] <... write resumed>) = 4 [pid 5541] <... write resumed>) = 4 [pid 5540] close(3 [pid 5541] close(3 [pid 5540] <... close resumed>) = 0 [pid 5541] <... close resumed>) = 0 [pid 5540] symlink("/dev/binderfs", "./binderfs" [pid 5541] symlink("/dev/binderfs", "./binderfs" [pid 5540] <... symlink resumed>) = 0 [pid 5541] <... symlink resumed>) = 0 [pid 5540] memfd_create("syzkaller", 0 [pid 5541] memfd_create("syzkaller", 0 [pid 5540] <... memfd_create resumed>) = 3 [pid 5541] <... memfd_create resumed>) = 3 [pid 5540] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5539] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5541] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5540] <... mmap resumed>) = 0x7fdf55e96000 [pid 5541] <... mmap resumed>) = 0x7fdf55e96000 [pid 5536] <... write resumed>) = 2097152 [pid 5537] <... write resumed>) = 2097152 [pid 5536] munmap(0x7fdf55e96000, 2097152 [pid 5538] <... write resumed>) = 2097152 [pid 5536] <... munmap resumed>) = 0 [pid 5536] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5536] ioctl(4, LOOP_SET_FD, 3 [pid 5537] munmap(0x7fdf55e96000, 2097152) = 0 [pid 5538] munmap(0x7fdf55e96000, 2097152 [pid 5539] <... write resumed>) = 2097152 [pid 5537] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5537] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5538] <... munmap resumed>) = 0 [pid 5538] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5538] ioctl(4, LOOP_SET_FD, 3 [pid 5536] <... ioctl resumed>) = 0 [pid 5536] close(3) = 0 [pid 5536] mkdir("./file0", 0777) = 0 [ 99.345331][ T5536] loop5: detected capacity change from 0 to 4096 [ 99.369582][ T5537] loop2: detected capacity change from 0 to 4096 [ 99.382385][ T5538] loop0: detected capacity change from 0 to 4096 [pid 5536] mount("/dev/loop5", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5541] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5540] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5539] munmap(0x7fdf55e96000, 2097152 [pid 5537] close(3) = 0 [pid 5537] mkdir("./file0", 0777) = 0 [pid 5539] <... munmap resumed>) = 0 [pid 5537] mount("/dev/loop2", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5539] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5539] ioctl(4, LOOP_SET_FD, 3 [pid 5538] <... ioctl resumed>) = 0 [pid 5538] close(3) = 0 [pid 5538] mkdir("./file0", 0777) = 0 [pid 5538] mount("/dev/loop0", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5540] <... write resumed>) = 2097152 [pid 5539] <... ioctl resumed>) = 0 [pid 5540] munmap(0x7fdf55e96000, 2097152 [pid 5541] <... write resumed>) = 2097152 [pid 5539] close(3) = 0 [pid 5539] mkdir("./file0", 0777 [pid 5541] munmap(0x7fdf55e96000, 2097152 [pid 5539] <... mkdir resumed>) = 0 [ 99.393230][ T5536] ntfs3: loop5: Different NTFS' sector size (1024) and media sector size (512) [ 99.411458][ T5537] ntfs3: loop2: Different NTFS' sector size (1024) and media sector size (512) [ 99.422920][ T5539] loop3: detected capacity change from 0 to 4096 [ 99.433360][ T5538] ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) [pid 5539] mount("/dev/loop3", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5541] <... munmap resumed>) = 0 [pid 5540] <... munmap resumed>) = 0 [pid 5541] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5540] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5541] <... openat resumed>) = 4 [pid 5540] <... openat resumed>) = 4 [pid 5541] ioctl(4, LOOP_SET_FD, 3 [pid 5540] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5536] <... mount resumed>) = 0 [pid 5536] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5536] chdir("./file0" [pid 5540] close(3 [pid 5541] <... ioctl resumed>) = 0 [pid 5536] <... chdir resumed>) = 0 [pid 5540] <... close resumed>) = 0 [pid 5541] close(3 [pid 5540] mkdir("./file0", 0777 [pid 5536] ioctl(4, LOOP_CLR_FD) = 0 [pid 5536] close(4 [pid 5537] <... mount resumed>) = 0 [pid 5536] <... close resumed>) = 0 [pid 5536] exit_group(0) = ? [pid 5537] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5537] chdir("./file0" [pid 5536] +++ exited with 0 +++ [pid 5537] <... chdir resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5536, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5540] <... mkdir resumed>) = 0 [pid 5537] ioctl(4, LOOP_CLR_FD [pid 5541] <... close resumed>) = 0 [pid 5537] <... ioctl resumed>) = 0 [pid 5541] mkdir("./file0", 0777 [pid 5540] mount("/dev/loop4", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5537] close(4 [ 99.456048][ T5539] ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) [ 99.468103][ T5540] loop4: detected capacity change from 0 to 4096 [ 99.469433][ T5541] loop1: detected capacity change from 0 to 4096 [pid 5072] umount2("./77", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5541] <... mkdir resumed>) = 0 [pid 5538] <... mount resumed>) = 0 [pid 5537] <... close resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5541] mount("/dev/loop1", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5537] exit_group(0 [pid 5072] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5538] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5537] <... exit_group resumed>) = ? [pid 5072] <... openat resumed>) = 3 [pid 5539] <... mount resumed>) = 0 [pid 5538] <... openat resumed>) = 3 [pid 5537] +++ exited with 0 +++ [pid 5539] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5538] chdir("./file0" [pid 5072] fstat(3, [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5537, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=1 /* 0.01 s */} --- [pid 5539] <... openat resumed>) = 3 [pid 5538] <... chdir resumed>) = 0 [pid 5539] chdir("./file0" [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5539] <... chdir resumed>) = 0 [pid 5538] ioctl(4, LOOP_CLR_FD [pid 5072] getdents64(3, [pid 5539] ioctl(4, LOOP_CLR_FD [pid 5538] <... ioctl resumed>) = 0 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5539] <... ioctl resumed>) = 0 [pid 5538] close(4 [pid 5072] umount2("./77/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./75", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5539] close(4 [pid 5538] <... close resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5539] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5538] exit_group(0 [pid 5539] exit_group(0 [pid 5538] <... exit_group resumed>) = ? [pid 5072] lstat("./77/binderfs", [pid 5069] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5539] <... exit_group resumed>) = ? [pid 5538] +++ exited with 0 +++ [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5539] +++ exited with 0 +++ [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5538, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- [pid 5069] fstat(3, [pid 5072] unlink("./77/binderfs" [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5539, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=4 /* 0.04 s */} --- [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... unlink resumed>) = 0 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5069] getdents64(3, [pid 5072] umount2("./77/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... restart_syscall resumed>) = 0 [pid 5067] umount2("./73", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./76", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./75/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] lstat("./75/binderfs", [pid 5070] <... openat resumed>) = 3 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5070] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(3, 0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./76/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./76/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] unlink("./76/binderfs") = 0 [ 99.511552][ T5540] ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512) [ 99.527909][ T5541] ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) [pid 5070] umount2("./76/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5069] unlink("./75/binderfs" [pid 5067] fstat(3, [pid 5069] <... unlink resumed>) = 0 [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./75/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] getdents64(3, 0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5067] umount2("./73/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] lstat("./73/binderfs", [pid 5072] <... umount2 resumed>) = 0 [pid 5067] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5067] unlink("./73/binderfs") = 0 [pid 5067] umount2("./73/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./77/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./76/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] lstat("./77/file0", [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] lstat("./76/file0", [pid 5541] <... mount resumed>) = 0 [pid 5540] <... mount resumed>) = 0 [pid 5072] umount2("./77/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5541] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./76/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5541] <... openat resumed>) = 3 [pid 5072] openat(AT_FDCWD, "./77/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5541] chdir("./file0" [pid 5072] <... openat resumed>) = 4 [pid 5541] <... chdir resumed>) = 0 [pid 5072] fstat(4, [pid 5070] openat(AT_FDCWD, "./76/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5541] ioctl(4, LOOP_CLR_FD [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... openat resumed>) = 4 [pid 5541] <... ioctl resumed>) = 0 [pid 5072] getdents64(4, [pid 5070] fstat(4, [pid 5541] close(4 [pid 5540] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5541] <... close resumed>) = 0 [pid 5072] getdents64(4, [pid 5070] getdents64(4, [pid 5541] exit_group(0 [pid 5072] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5070] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5541] <... exit_group resumed>) = ? [pid 5072] close(4 [pid 5070] getdents64(4, [pid 5541] +++ exited with 0 +++ [pid 5072] <... close resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5072] rmdir("./77/file0" [pid 5070] close(4 [pid 5072] <... rmdir resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5541, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5540] <... openat resumed>) = 3 [pid 5072] getdents64(3, [pid 5070] rmdir("./76/file0" [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5072] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5068] <... restart_syscall resumed>) = 0 [pid 5072] close(3 [pid 5070] getdents64(3, [pid 5072] <... close resumed>) = 0 [pid 5070] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5072] rmdir("./77" [pid 5070] close(3 [pid 5068] umount2("./74", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... rmdir resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] mkdir("./78", 0777 [pid 5070] rmdir("./76" [pid 5068] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... mkdir resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5540] chdir("./file0" [pid 5072] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5070] mkdir("./77", 0777 [pid 5068] fstat(3, [pid 5067] <... umount2 resumed>) = 0 [pid 5540] <... chdir resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5070] <... mkdir resumed>) = 0 [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5540] ioctl(4, LOOP_CLR_FD [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] <... umount2 resumed>) = 0 [pid 5068] getdents64(3, [pid 5067] umount2("./73/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5540] <... ioctl resumed>) = 0 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] <... openat resumed>) = 3 [pid 5068] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5072] close(3 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5068] umount2("./74/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... close resumed>) = 0 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] close(3 [pid 5068] lstat("./74/binderfs", [pid 5540] close(4 [pid 5070] <... close resumed>) = 0 [pid 5069] umount2("./75/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5540] <... close resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5542 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] unlink("./74/binderfs" [pid 5067] lstat("./73/file0", [pid 5540] exit_group(0 [pid 5069] lstat("./75/file0", [pid 5068] <... unlink resumed>) = 0 [pid 5540] <... exit_group resumed>) = ? [pid 5070] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5543 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] umount2("./74/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5543 attached ./strace-static-x86_64: Process 5542 attached [pid 5540] +++ exited with 0 +++ [pid 5069] umount2("./75/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = 0 [pid 5067] umount2("./73/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5543] chdir("./77" [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5540, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=6 /* 0.06 s */} --- [pid 5543] <... chdir resumed>) = 0 [pid 5542] chdir("./78" [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5543] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5542] <... chdir resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./75/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] openat(AT_FDCWD, "./73/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5543] <... prctl resumed>) = 0 [pid 5542] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] umount2("./76", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... openat resumed>) = 4 [pid 5543] setpgid(0, 0 [pid 5542] <... prctl resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] fstat(4, [pid 5067] <... openat resumed>) = 4 [pid 5543] <... setpgid resumed>) = 0 [pid 5542] setpgid(0, 0 [pid 5071] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] fstat(4, [pid 5543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5542] <... setpgid resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5069] getdents64(4, [pid 5543] <... openat resumed>) = 3 [pid 5542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] fstat(3, [pid 5068] umount2("./74/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5543] write(3, "1000", 4 [pid 5542] <... openat resumed>) = 3 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(4, [pid 5543] <... write resumed>) = 4 [pid 5542] write(3, "1000", 4 [pid 5071] getdents64(3, [pid 5069] getdents64(4, [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5543] close(3 [pid 5542] <... write resumed>) = 4 [pid 5071] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5069] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5067] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5543] <... close resumed>) = 0 [pid 5542] close(3 [pid 5071] umount2("./76/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] close(4 [pid 5068] lstat("./74/file0", [pid 5067] getdents64(4, [pid 5543] symlink("/dev/binderfs", "./binderfs" [pid 5542] <... close resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... close resumed>) = 0 [pid 5068] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5543] <... symlink resumed>) = 0 [pid 5542] symlink("/dev/binderfs", "./binderfs" [pid 5071] lstat("./76/binderfs", [pid 5069] rmdir("./75/file0" [pid 5068] umount2("./74/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] close(4 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] unlink("./76/binderfs" [pid 5068] openat(AT_FDCWD, "./74/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... close resumed>) = 0 [pid 5543] memfd_create("syzkaller", 0 [pid 5542] <... symlink resumed>) = 0 [pid 5071] <... unlink resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5067] rmdir("./73/file0" [pid 5071] umount2("./76/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] fstat(4, [pid 5543] <... memfd_create resumed>) = 3 [pid 5542] memfd_create("syzkaller", 0 [pid 5069] getdents64(3, [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5543] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5542] <... memfd_create resumed>) = 3 [pid 5069] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5068] getdents64(4, [pid 5067] getdents64(3, [pid 5543] <... mmap resumed>) = 0x7fdf55e96000 [pid 5542] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] close(3 [pid 5068] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5067] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5068] getdents64(4, 0x555556583660 /* 0 entries */, 32768) = 0 [pid 5068] close(4) = 0 [pid 5069] <... close resumed>) = 0 [pid 5068] rmdir("./74/file0" [pid 5542] <... mmap resumed>) = 0x7fdf55e96000 [pid 5069] rmdir("./75" [pid 5068] <... rmdir resumed>) = 0 [pid 5067] close(3 [pid 5068] getdents64(3, 0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5068] close(3) = 0 [pid 5068] rmdir("./74") = 0 [pid 5068] mkdir("./75", 0777) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5068] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5068] close(3) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] mkdir("./76", 0777 [pid 5067] <... close resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5544 [pid 5069] <... mkdir resumed>) = 0 [pid 5067] rmdir("./73" [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5067] <... rmdir resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5067] mkdir("./74", 0777 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5067] <... mkdir resumed>) = 0 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5069] close(3./strace-static-x86_64: Process 5544 attached ) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5544] chdir("./75" [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5544] <... chdir resumed>) = 0 [pid 5544] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5544] setpgid(0, 0 [pid 5069] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5545 [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5544] <... setpgid resumed>) = 0 [pid 5067] close(3 [pid 5544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] <... umount2 resumed>) = 0 [pid 5544] <... openat resumed>) = 3 [pid 5071] umount2("./76/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... close resumed>) = 0 ./strace-static-x86_64: Process 5545 attached [pid 5544] write(3, "1000", 4 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5545] chdir("./76" [pid 5544] <... write resumed>) = 4 [pid 5071] lstat("./76/file0", [pid 5545] <... chdir resumed>) = 0 [pid 5544] close(3 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5545] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5544] <... close resumed>) = 0 [pid 5071] umount2("./76/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5546 [pid 5545] <... prctl resumed>) = 0 [pid 5544] symlink("/dev/binderfs", "./binderfs" [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5545] setpgid(0, 0 [pid 5544] <... symlink resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./76/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5546 attached [pid 5545] <... setpgid resumed>) = 0 [pid 5544] memfd_create("syzkaller", 0 [pid 5071] <... openat resumed>) = 4 [pid 5546] chdir("./74" [pid 5544] <... memfd_create resumed>) = 3 [pid 5071] fstat(4, [pid 5546] <... chdir resumed>) = 0 [pid 5545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5544] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5546] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5545] <... openat resumed>) = 3 [pid 5544] <... mmap resumed>) = 0x7fdf55e96000 [pid 5071] getdents64(4, [pid 5546] <... prctl resumed>) = 0 [pid 5545] write(3, "1000", 4 [pid 5071] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5546] setpgid(0, 0 [pid 5545] <... write resumed>) = 4 [pid 5071] getdents64(4, [pid 5546] <... setpgid resumed>) = 0 [pid 5545] close(3 [pid 5071] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5545] <... close resumed>) = 0 [pid 5071] close(4 [pid 5546] <... openat resumed>) = 3 [pid 5545] symlink("/dev/binderfs", "./binderfs" [pid 5071] <... close resumed>) = 0 [pid 5546] write(3, "1000", 4 [pid 5545] <... symlink resumed>) = 0 [pid 5071] rmdir("./76/file0" [pid 5546] <... write resumed>) = 4 [pid 5545] memfd_create("syzkaller", 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5546] close(3 [pid 5545] <... memfd_create resumed>) = 3 [pid 5071] getdents64(3, [pid 5546] <... close resumed>) = 0 [pid 5545] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5543] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5071] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5542] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5546] symlink("/dev/binderfs", "./binderfs" [pid 5545] <... mmap resumed>) = 0x7fdf55e96000 [pid 5071] close(3 [pid 5546] <... symlink resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5546] memfd_create("syzkaller", 0 [pid 5071] rmdir("./76" [pid 5546] <... memfd_create resumed>) = 3 [pid 5071] <... rmdir resumed>) = 0 [pid 5546] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] mkdir("./77", 0777 [pid 5546] <... mmap resumed>) = 0x7fdf55e96000 [pid 5071] <... mkdir resumed>) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5071] close(3) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555657a5d0) = 5547 ./strace-static-x86_64: Process 5547 attached [pid 5547] chdir("./77") = 0 [pid 5547] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5547] setpgid(0, 0) = 0 [pid 5547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5547] write(3, "1000", 4) = 4 [pid 5547] close(3) = 0 [pid 5544] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5547] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5547] memfd_create("syzkaller", 0) = 3 [pid 5547] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 [pid 5546] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5545] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5543] <... write resumed>) = 2097152 [pid 5542] <... write resumed>) = 2097152 [pid 5543] munmap(0x7fdf55e96000, 2097152 [pid 5542] munmap(0x7fdf55e96000, 2097152 [pid 5543] <... munmap resumed>) = 0 [pid 5542] <... munmap resumed>) = 0 [pid 5543] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5542] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5543] <... openat resumed>) = 4 [pid 5542] <... openat resumed>) = 4 [pid 5543] ioctl(4, LOOP_SET_FD, 3 [pid 5542] ioctl(4, LOOP_SET_FD, 3 [pid 5544] <... write resumed>) = 2097152 [pid 5543] <... ioctl resumed>) = 0 [pid 5543] close(3 [pid 5542] <... ioctl resumed>) = 0 [pid 5543] <... close resumed>) = 0 [pid 5542] close(3 [pid 5547] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5543] mkdir("./file0", 0777 [pid 5542] <... close resumed>) = 0 [pid 5543] <... mkdir resumed>) = 0 [pid 5542] mkdir("./file0", 0777 [pid 5543] mount("/dev/loop3", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5542] <... mkdir resumed>) = 0 [ 99.900104][ T5543] loop3: detected capacity change from 0 to 4096 [ 99.906773][ T5542] loop5: detected capacity change from 0 to 4096 [pid 5544] munmap(0x7fdf55e96000, 2097152) = 0 [pid 5542] mount("/dev/loop5", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5544] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5546] <... write resumed>) = 2097152 [pid 5544] ioctl(4, LOOP_SET_FD, 3 [pid 5546] munmap(0x7fdf55e96000, 2097152) = 0 [pid 5545] <... write resumed>) = 2097152 [pid 5545] munmap(0x7fdf55e96000, 2097152 [pid 5546] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 99.941125][ T5543] ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) [ 99.953898][ T5542] ntfs3: loop5: Different NTFS' sector size (1024) and media sector size (512) [ 99.962676][ T5544] loop1: detected capacity change from 0 to 4096 [pid 5546] ioctl(4, LOOP_SET_FD, 3 [pid 5545] <... munmap resumed>) = 0 [pid 5545] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5545] ioctl(4, LOOP_SET_FD, 3 [pid 5544] <... ioctl resumed>) = 0 [pid 5544] close(3) = 0 [pid 5544] mkdir("./file0", 0777) = 0 [pid 5544] mount("/dev/loop1", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5545] <... ioctl resumed>) = 0 [pid 5542] <... mount resumed>) = 0 [pid 5547] <... write resumed>) = 2097152 [pid 5546] <... ioctl resumed>) = 0 [pid 5545] close(3 [pid 5542] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5547] munmap(0x7fdf55e96000, 2097152 [pid 5546] close(3 [pid 5545] <... close resumed>) = 0 [pid 5542] <... openat resumed>) = 3 [pid 5546] <... close resumed>) = 0 [pid 5545] mkdir("./file0", 0777 [pid 5547] <... munmap resumed>) = 0 [pid 5546] mkdir("./file0", 0777 [pid 5542] chdir("./file0" [pid 5547] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5546] <... mkdir resumed>) = 0 [pid 5545] <... mkdir resumed>) = 0 [pid 5542] <... chdir resumed>) = 0 [pid 5547] <... openat resumed>) = 4 [ 99.996766][ T5546] loop0: detected capacity change from 0 to 4096 [ 100.013930][ T5545] loop2: detected capacity change from 0 to 4096 [ 100.015705][ T5544] ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) [pid 5546] mount("/dev/loop0", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5545] mount("/dev/loop2", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5542] ioctl(4, LOOP_CLR_FD [pid 5547] ioctl(4, LOOP_SET_FD, 3 [pid 5544] <... mount resumed>) = 0 [pid 5543] <... mount resumed>) = 0 [pid 5544] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5543] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5542] <... ioctl resumed>) = 0 [pid 5544] <... openat resumed>) = 3 [pid 5543] <... openat resumed>) = 3 [pid 5544] chdir("./file0" [pid 5543] chdir("./file0" [pid 5544] <... chdir resumed>) = 0 [pid 5543] <... chdir resumed>) = 0 [pid 5544] ioctl(4, LOOP_CLR_FD [pid 5543] ioctl(4, LOOP_CLR_FD [pid 5542] close(4 [pid 5544] <... ioctl resumed>) = 0 [pid 5543] <... ioctl resumed>) = 0 [pid 5544] close(4 [pid 5543] close(4 [pid 5547] <... ioctl resumed>) = 0 [pid 5544] <... close resumed>) = 0 [pid 5543] <... close resumed>) = 0 [pid 5542] <... close resumed>) = 0 [pid 5547] close(3 [pid 5544] exit_group(0 [pid 5543] exit_group(0 [pid 5542] exit_group(0 [pid 5547] <... close resumed>) = 0 [pid 5544] <... exit_group resumed>) = ? [pid 5543] <... exit_group resumed>) = ? [pid 5542] <... exit_group resumed>) = ? [pid 5547] mkdir("./file0", 0777 [pid 5544] +++ exited with 0 +++ [pid 5543] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5543, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=7 /* 0.07 s */} --- [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5544, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=8 /* 0.08 s */} --- [pid 5542] +++ exited with 0 +++ [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5547] <... mkdir resumed>) = 0 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5547] mount("/dev/loop4", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5546] <... mount resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5542, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=5 /* 0.05 s */} --- [pid 5546] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [ 100.048429][ T5546] ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) [ 100.059240][ T5547] loop4: detected capacity change from 0 to 4096 [ 100.065828][ T5545] ntfs3: loop2: Different NTFS' sector size (1024) and media sector size (512) [pid 5072] umount2("./78", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./77", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] umount2("./75", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... openat resumed>) = 3 [pid 5070] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] fstat(3, [pid 5070] <... openat resumed>) = 3 [pid 5068] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] fstat(3, [pid 5068] <... openat resumed>) = 3 [pid 5546] <... openat resumed>) = 3 [pid 5545] <... mount resumed>) = 0 [pid 5072] getdents64(3, [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] fstat(3, [pid 5546] chdir("./file0" [pid 5545] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5070] getdents64(3, [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5546] <... chdir resumed>) = 0 [pid 5545] <... openat resumed>) = 3 [pid 5072] umount2("./78/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5068] getdents64(3, [pid 5546] ioctl(4, LOOP_CLR_FD [pid 5545] chdir("./file0" [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./77/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5546] <... ioctl resumed>) = 0 [pid 5545] <... chdir resumed>) = 0 [pid 5072] lstat("./78/binderfs", [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] umount2("./75/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5546] close(4 [pid 5545] ioctl(4, LOOP_CLR_FD [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] lstat("./77/binderfs", [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5546] <... close resumed>) = 0 [pid 5545] <... ioctl resumed>) = 0 [pid 5072] unlink("./78/binderfs" [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] lstat("./75/binderfs", [pid 5546] exit_group(0 [pid 5545] close(4 [pid 5072] <... unlink resumed>) = 0 [pid 5070] unlink("./77/binderfs" [pid 5068] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5547] <... mount resumed>) = 0 [pid 5546] <... exit_group resumed>) = ? [pid 5545] <... close resumed>) = 0 [pid 5072] umount2("./78/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... unlink resumed>) = 0 [pid 5068] unlink("./75/binderfs" [pid 5547] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5546] +++ exited with 0 +++ [pid 5545] exit_group(0 [pid 5072] <... umount2 resumed>) = 0 [pid 5070] umount2("./77/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... unlink resumed>) = 0 [pid 5547] <... openat resumed>) = 3 [pid 5545] <... exit_group resumed>) = ? [pid 5072] umount2("./78/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./75/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5547] chdir("./file0" [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./78/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5547] <... chdir resumed>) = 0 [pid 5545] +++ exited with 0 +++ [pid 5072] umount2("./78/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5546, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5547] ioctl(4, LOOP_CLR_FD [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./77/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5545, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5067] umount2("./74", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5547] <... ioctl resumed>) = 0 [pid 5072] openat(AT_FDCWD, "./78/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5547] close(4 [pid 5072] <... openat resumed>) = 4 [pid 5070] lstat("./77/file0", [pid 5547] <... close resumed>) = 0 [pid 5072] fstat(4, [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 100.109436][ T5547] ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512) [pid 5067] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5547] exit_group(0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./77/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./76", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5547] <... exit_group resumed>) = ? [pid 5072] getdents64(4, [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... openat resumed>) = 3 [pid 5072] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5070] openat(AT_FDCWD, "./77/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5547] +++ exited with 0 +++ [pid 5072] getdents64(4, [pid 5070] <... openat resumed>) = 4 [pid 5069] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] fstat(3, [pid 5072] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5070] fstat(4, [pid 5072] close(4 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5547, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... close resumed>) = 0 [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 5070] getdents64(4, [pid 5069] fstat(3, [pid 5072] rmdir("./78/file0" [pid 5071] <... restart_syscall resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(3, [pid 5072] <... rmdir resumed>) = 0 [pid 5070] getdents64(4, [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(3, [pid 5070] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5067] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5071] umount2("./77", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] close(4 [pid 5069] getdents64(3, [pid 5068] <... umount2 resumed>) = 0 [pid 5067] umount2("./74/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] close(3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5072] <... close resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] rmdir("./77/file0" [pid 5069] umount2("./76/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./75/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] rmdir("./78" [pid 5071] <... openat resumed>) = 3 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] lstat("./74/binderfs", [pid 5072] <... rmdir resumed>) = 0 [pid 5071] fstat(3, [pid 5070] getdents64(3, [pid 5069] lstat("./76/binderfs", [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] mkdir("./79", 0777 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5067] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] <... mkdir resumed>) = 0 [pid 5071] getdents64(3, [pid 5070] close(3 [pid 5068] lstat("./75/file0", [pid 5072] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5071] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5070] <... close resumed>) = 0 [pid 5069] unlink("./76/binderfs" [pid 5067] unlink("./74/binderfs" [pid 5072] <... openat resumed>) = 3 [pid 5071] umount2("./77/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] rmdir("./77" [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 5068] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... unlink resumed>) = 0 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] lstat("./77/binderfs", [pid 5070] mkdir("./78", 0777 [pid 5069] umount2("./76/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./74/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./75/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] close(3 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 5071] unlink("./77/binderfs" [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... unlink resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5068] openat(AT_FDCWD, "./75/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] umount2("./77/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5072] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5548 [pid 5070] <... ioctl resumed>) = 0 [pid 5070] close(3) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... umount2 resumed>) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5067] <... umount2 resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5549 [pid 5068] fstat(4, [pid 5067] umount2("./74/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] getdents64(4, ./strace-static-x86_64: Process 5549 attached [pid 5549] chdir("./78") = 0 [pid 5549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5549] setpgid(0, 0) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5067] lstat("./74/file0", [pid 5549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] getdents64(4, [pid 5067] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5549] <... openat resumed>) = 3 [pid 5068] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5067] umount2("./74/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5548 attached [pid 5549] write(3, "1000", 4 [pid 5068] close(4 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5549] <... write resumed>) = 4 [pid 5068] <... close resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./74/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5549] close(3 [pid 5548] chdir("./79" [pid 5068] rmdir("./75/file0" [pid 5549] <... close resumed>) = 0 [pid 5067] <... openat resumed>) = 4 [pid 5549] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5548] <... chdir resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] fstat(4, [pid 5549] memfd_create("syzkaller", 0 [pid 5548] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5068] getdents64(3, [pid 5549] <... memfd_create resumed>) = 3 [pid 5071] umount2("./77/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5549] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5548] <... prctl resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./76/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5067] getdents64(4, [pid 5549] <... mmap resumed>) = 0x7fdf55e96000 [pid 5548] setpgid(0, 0 [pid 5071] lstat("./77/file0", [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] close(3 [pid 5548] <... setpgid resumed>) = 0 [pid 5069] lstat("./76/file0", [pid 5067] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] getdents64(4, [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5548] <... openat resumed>) = 3 [pid 5071] umount2("./77/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./76/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] rmdir("./75" [pid 5067] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5548] write(3, "1000", 4 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5548] <... write resumed>) = 4 [pid 5071] openat(AT_FDCWD, "./77/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] openat(AT_FDCWD, "./76/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... rmdir resumed>) = 0 [pid 5067] close(4 [pid 5548] close(3 [pid 5071] <... openat resumed>) = 4 [pid 5069] <... openat resumed>) = 4 [pid 5548] <... close resumed>) = 0 [pid 5071] fstat(4, [pid 5069] fstat(4, [pid 5068] mkdir("./76", 0777 [pid 5067] <... close resumed>) = 0 [pid 5548] symlink("/dev/binderfs", "./binderfs" [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5548] <... symlink resumed>) = 0 [pid 5071] getdents64(4, [pid 5069] getdents64(4, [pid 5068] <... mkdir resumed>) = 0 [pid 5067] rmdir("./74/file0" [pid 5071] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5548] memfd_create("syzkaller", 0 [pid 5071] getdents64(4, [pid 5069] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5067] <... rmdir resumed>) = 0 [pid 5548] <... memfd_create resumed>) = 3 [pid 5071] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5069] getdents64(4, [pid 5548] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] close(4 [pid 5069] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5067] getdents64(3, [pid 5548] <... mmap resumed>) = 0x7fdf55e96000 [pid 5071] <... close resumed>) = 0 [pid 5069] close(4 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5067] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5071] rmdir("./77/file0") = 0 [pid 5071] getdents64(3, 0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5071] rmdir("./77") = 0 [pid 5071] mkdir("./78", 0777 [pid 5069] <... close resumed>) = 0 [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5067] close(3 [pid 5071] <... mkdir resumed>) = 0 [pid 5069] rmdir("./76/file0" [pid 5068] close(3 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5067] <... close resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] rmdir("./74" [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5069] getdents64(3, [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5071] close(3) = 0 [pid 5069] close(3 [pid 5067] mkdir("./75", 0777 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... close resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5550 [pid 5069] rmdir("./76" [pid 5067] <... mkdir resumed>) = 0 [pid 5071] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5551 [pid 5069] <... rmdir resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5069] mkdir("./77", 0777./strace-static-x86_64: Process 5550 attached [pid 5550] chdir("./76" [pid 5067] <... openat resumed>) = 3 [pid 5550] <... chdir resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5550] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5550] <... prctl resumed>) = 0 [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 5551 attached [pid 5550] setpgid(0, 0 [pid 5069] <... openat resumed>) = 3 [pid 5067] close(3 [pid 5550] <... setpgid resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5551] chdir("./78" [pid 5550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5067] <... close resumed>) = 0 [pid 5550] <... openat resumed>) = 3 [pid 5069] close(3 [pid 5551] <... chdir resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5550] write(3, "1000", 4 [pid 5069] <... close resumed>) = 0 [pid 5550] <... write resumed>) = 4 [pid 5551] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5550] close(3 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5551] <... prctl resumed>) = 0 [pid 5550] <... close resumed>) = 0 [pid 5550] symlink("/dev/binderfs", "./binderfs" [pid 5551] setpgid(0, 0 [pid 5067] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5552 [pid 5551] <... setpgid resumed>) = 0 [pid 5550] <... symlink resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5553 ./strace-static-x86_64: Process 5552 attached [pid 5551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5550] memfd_create("syzkaller", 0 [pid 5552] chdir("./75" [pid 5551] <... openat resumed>) = 3 [pid 5550] <... memfd_create resumed>) = 3 ./strace-static-x86_64: Process 5553 attached [pid 5552] <... chdir resumed>) = 0 [pid 5551] write(3, "1000", 4 [pid 5550] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5549] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5553] chdir("./77" [pid 5552] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5551] <... write resumed>) = 4 [pid 5550] <... mmap resumed>) = 0x7fdf55e96000 [pid 5553] <... chdir resumed>) = 0 [pid 5552] <... prctl resumed>) = 0 [pid 5551] close(3 [pid 5548] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5553] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5552] setpgid(0, 0 [pid 5551] <... close resumed>) = 0 [pid 5553] <... prctl resumed>) = 0 [pid 5553] setpgid(0, 0 [pid 5552] <... setpgid resumed>) = 0 [pid 5551] symlink("/dev/binderfs", "./binderfs" [pid 5553] <... setpgid resumed>) = 0 [pid 5552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5551] <... symlink resumed>) = 0 [pid 5553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5552] <... openat resumed>) = 3 [pid 5553] <... openat resumed>) = 3 [pid 5552] write(3, "1000", 4 [pid 5551] memfd_create("syzkaller", 0 [pid 5553] write(3, "1000", 4 [pid 5552] <... write resumed>) = 4 [pid 5551] <... memfd_create resumed>) = 3 [pid 5553] <... write resumed>) = 4 [pid 5552] close(3 [pid 5551] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5553] close(3 [pid 5552] <... close resumed>) = 0 [pid 5551] <... mmap resumed>) = 0x7fdf55e96000 [pid 5553] <... close resumed>) = 0 [pid 5552] symlink("/dev/binderfs", "./binderfs" [pid 5553] symlink("/dev/binderfs", "./binderfs" [pid 5552] <... symlink resumed>) = 0 [pid 5553] <... symlink resumed>) = 0 [pid 5553] memfd_create("syzkaller", 0 [pid 5552] memfd_create("syzkaller", 0 [pid 5553] <... memfd_create resumed>) = 3 [pid 5552] <... memfd_create resumed>) = 3 [pid 5553] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5552] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5553] <... mmap resumed>) = 0x7fdf55e96000 [pid 5552] <... mmap resumed>) = 0x7fdf55e96000 [pid 5550] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5549] <... write resumed>) = 2097152 [pid 5549] munmap(0x7fdf55e96000, 2097152 [pid 5548] <... write resumed>) = 2097152 [pid 5548] munmap(0x7fdf55e96000, 2097152 [pid 5553] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5551] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5549] <... munmap resumed>) = 0 [pid 5548] <... munmap resumed>) = 0 [pid 5552] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5549] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5549] ioctl(4, LOOP_SET_FD, 3 [pid 5548] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5548] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5548] close(3 [pid 5549] <... ioctl resumed>) = 0 [pid 5548] <... close resumed>) = 0 [pid 5549] close(3 [pid 5548] mkdir("./file0", 0777 [pid 5549] <... close resumed>) = 0 [pid 5549] mkdir("./file0", 0777 [ 100.484466][ T5549] loop3: detected capacity change from 0 to 4096 [ 100.497716][ T5548] loop5: detected capacity change from 0 to 4096 [pid 5548] <... mkdir resumed>) = 0 [pid 5550] <... write resumed>) = 2097152 [pid 5549] <... mkdir resumed>) = 0 [pid 5548] mount("/dev/loop5", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5549] mount("/dev/loop3", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5551] <... write resumed>) = 2097152 [pid 5550] munmap(0x7fdf55e96000, 2097152 [pid 5552] <... write resumed>) = 2097152 [pid 5551] munmap(0x7fdf55e96000, 2097152 [pid 5550] <... munmap resumed>) = 0 [pid 5552] munmap(0x7fdf55e96000, 2097152 [pid 5551] <... munmap resumed>) = 0 [pid 5553] <... write resumed>) = 2097152 [pid 5552] <... munmap resumed>) = 0 [pid 5551] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5550] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5548] <... mount resumed>) = 0 [pid 5553] munmap(0x7fdf55e96000, 2097152 [pid 5552] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5551] <... openat resumed>) = 4 [pid 5550] <... openat resumed>) = 4 [pid 5553] <... munmap resumed>) = 0 [pid 5552] <... openat resumed>) = 4 [ 100.549443][ T5548] ntfs3: loop5: Different NTFS' sector size (1024) and media sector size (512) [ 100.551091][ T5549] ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) [pid 5551] ioctl(4, LOOP_SET_FD, 3 [pid 5550] ioctl(4, LOOP_SET_FD, 3 [pid 5548] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5553] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5552] ioctl(4, LOOP_SET_FD, 3 [pid 5551] <... ioctl resumed>) = 0 [pid 5549] <... mount resumed>) = 0 [pid 5548] <... openat resumed>) = 3 [pid 5549] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5548] chdir("./file0" [pid 5549] <... openat resumed>) = 3 [pid 5548] <... chdir resumed>) = 0 [pid 5549] chdir("./file0" [pid 5548] ioctl(4, LOOP_CLR_FD [pid 5549] <... chdir resumed>) = 0 [pid 5548] <... ioctl resumed>) = 0 [pid 5549] ioctl(4, LOOP_CLR_FD [pid 5548] close(4 [pid 5553] <... openat resumed>) = 4 [pid 5552] <... ioctl resumed>) = 0 [pid 5551] close(3 [pid 5550] <... ioctl resumed>) = 0 [pid 5549] <... ioctl resumed>) = 0 [pid 5548] <... close resumed>) = 0 [pid 5553] ioctl(4, LOOP_SET_FD, 3 [pid 5552] close(3 [pid 5551] <... close resumed>) = 0 [pid 5550] close(3 [pid 5552] <... close resumed>) = 0 [pid 5551] mkdir("./file0", 0777 [pid 5550] <... close resumed>) = 0 [pid 5548] exit_group(0 [pid 5552] mkdir("./file0", 0777 [pid 5551] <... mkdir resumed>) = 0 [pid 5550] mkdir("./file0", 0777 [pid 5549] close(4 [pid 5548] <... exit_group resumed>) = ? [pid 5553] <... ioctl resumed>) = 0 [pid 5552] <... mkdir resumed>) = 0 [pid 5551] mount("/dev/loop4", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5550] <... mkdir resumed>) = 0 [pid 5553] close(3 [pid 5552] mount("/dev/loop0", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [ 100.609354][ T5551] loop4: detected capacity change from 0 to 4096 [ 100.616110][ T5550] loop1: detected capacity change from 0 to 4096 [ 100.623108][ T5552] loop0: detected capacity change from 0 to 4096 [ 100.631711][ T5553] loop2: detected capacity change from 0 to 4096 [ 100.643837][ T5551] ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512) [pid 5550] mount("/dev/loop1", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5549] <... close resumed>) = 0 [pid 5548] +++ exited with 0 +++ [pid 5553] <... close resumed>) = 0 [pid 5549] exit_group(0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5548, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=2 /* 0.02 s */} --- [pid 5553] mkdir("./file0", 0777 [pid 5549] <... exit_group resumed>) = ? [pid 5553] <... mkdir resumed>) = 0 [pid 5553] mount("/dev/loop2", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5549] +++ exited with 0 +++ [pid 5551] <... mount resumed>) = 0 [pid 5072] umount2("./79", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5551] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5549, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=6 /* 0.06 s */} --- [pid 5551] <... openat resumed>) = 3 [pid 5072] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] umount2("./78", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5551] chdir("./file0" [pid 5072] <... openat resumed>) = 3 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5551] <... chdir resumed>) = 0 [pid 5072] fstat(3, [pid 5070] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5551] ioctl(4, LOOP_CLR_FD [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5551] <... ioctl resumed>) = 0 [pid 5072] getdents64(3, [pid 5070] fstat(3, [pid 5551] close(4 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5551] <... close resumed>) = 0 [pid 5551] exit_group(0) = ? [pid 5551] +++ exited with 0 +++ [pid 5072] umount2("./79/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5551, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=3 /* 0.03 s */} --- [pid 5070] getdents64(3, [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5072] lstat("./79/binderfs", [pid 5070] umount2("./78/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] unlink("./79/binderfs" [pid 5070] lstat("./78/binderfs", [pid 5552] <... mount resumed>) = 0 [pid 5550] <... mount resumed>) = 0 [pid 5072] <... unlink resumed>) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 100.654984][ T5552] ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) [ 100.666745][ T5550] ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) [ 100.691974][ T5553] ntfs3: loop2: Different NTFS' sector size (1024) and media sector size (512) [pid 5552] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5550] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] umount2("./79/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./78", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] unlink("./78/binderfs" [pid 5552] <... openat resumed>) = 3 [pid 5550] <... openat resumed>) = 3 [pid 5552] chdir("./file0" [pid 5550] chdir("./file0" [pid 5552] <... chdir resumed>) = 0 [pid 5550] <... chdir resumed>) = 0 [pid 5552] ioctl(4, LOOP_CLR_FD [pid 5550] ioctl(4, LOOP_CLR_FD [pid 5552] <... ioctl resumed>) = 0 [pid 5550] <... ioctl resumed>) = 0 [pid 5552] close(4 [pid 5550] close(4 [pid 5552] <... close resumed>) = 0 [pid 5550] <... close resumed>) = 0 [pid 5552] exit_group(0 [pid 5550] exit_group(0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5552] <... exit_group resumed>) = ? [pid 5550] <... exit_group resumed>) = ? [pid 5071] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... unlink resumed>) = 0 [pid 5552] +++ exited with 0 +++ [pid 5550] +++ exited with 0 +++ [pid 5071] <... openat resumed>) = 3 [pid 5070] umount2("./78/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] fstat(3, [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5550, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=4 /* 0.04 s */} --- [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5552, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=6 /* 0.06 s */} --- [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, [pid 5553] <... mount resumed>) = 0 [pid 5071] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5553] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] umount2("./78/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5553] <... openat resumed>) = 3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] umount2("./76", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./75", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5553] chdir("./file0" [pid 5071] lstat("./78/binderfs", [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5553] <... chdir resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5553] ioctl(4, LOOP_CLR_FD [pid 5072] <... umount2 resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5067] <... openat resumed>) = 3 [pid 5553] <... ioctl resumed>) = 0 [pid 5068] fstat(3, [pid 5067] fstat(3, [pid 5553] close(4 [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5553] <... close resumed>) = 0 [pid 5068] getdents64(3, [pid 5067] getdents64(3, [pid 5553] exit_group(0 [pid 5068] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5067] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5553] <... exit_group resumed>) = ? [pid 5068] umount2("./76/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./75/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5553] +++ exited with 0 +++ [pid 5072] umount2("./79/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5553, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5068] lstat("./76/binderfs", [pid 5067] lstat("./75/binderfs", [pid 5072] lstat("./79/file0", [pid 5070] <... umount2 resumed>) = 0 [pid 5068] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5067] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] unlink("./76/binderfs" [pid 5067] unlink("./75/binderfs" [pid 5072] umount2("./79/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] unlink("./78/binderfs" [pid 5068] <... unlink resumed>) = 0 [pid 5067] <... unlink resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... unlink resumed>) = 0 [pid 5068] umount2("./76/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./75/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] openat(AT_FDCWD, "./79/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] umount2("./78/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./77", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... openat resumed>) = 4 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] fstat(4, [pid 5069] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5072] getdents64(4, [pid 5071] umount2("./78/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] fstat(3, [pid 5072] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, [pid 5071] lstat("./78/file0", [pid 5069] getdents64(3, [pid 5072] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./78/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./78/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] close(4 [pid 5071] openat(AT_FDCWD, "./78/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] umount2("./77/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 5071] <... openat resumed>) = 4 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... close resumed>) = 0 [pid 5071] fstat(4, [pid 5069] lstat("./77/binderfs", [pid 5068] umount2("./76/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./75/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] rmdir("./79/file0" [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] getdents64(4, [pid 5069] unlink("./77/binderfs" [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... rmdir resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5069] <... unlink resumed>) = 0 [pid 5072] getdents64(3, [pid 5071] getdents64(4, [pid 5069] umount2("./77/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] lstat("./76/file0", [pid 5067] lstat("./75/file0", [pid 5072] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5071] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5070] lstat("./78/file0", [pid 5069] <... umount2 resumed>) = 0 [pid 5068] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./77/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./76/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./75/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./77/file0", [pid 5068] openat(AT_FDCWD, "./76/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] openat(AT_FDCWD, "./75/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5067] <... openat resumed>) = 4 [pid 5069] umount2("./77/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] fstat(4, [pid 5067] fstat(4, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] openat(AT_FDCWD, "./77/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] getdents64(4, [pid 5067] getdents64(4, [pid 5072] close(3 [pid 5071] close(4 [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... openat resumed>) = 4 [pid 5068] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5067] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5069] fstat(4, [pid 5068] getdents64(4, [pid 5067] getdents64(4, [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5067] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5069] getdents64(4, [pid 5068] close(4 [pid 5067] close(4 [pid 5069] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5068] <... close resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5069] getdents64(4, [pid 5068] rmdir("./76/file0" [pid 5067] rmdir("./75/file0" [pid 5072] <... close resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5070] umount2("./78/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5072] rmdir("./79" [pid 5071] rmdir("./78/file0" [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] close(4 [pid 5068] getdents64(3, [pid 5067] getdents64(3, [pid 5072] <... rmdir resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./78/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... close resumed>) = 0 [pid 5068] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5072] mkdir("./80", 0777 [pid 5071] getdents64(3, [pid 5070] <... openat resumed>) = 4 [pid 5067] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5072] <... mkdir resumed>) = 0 [pid 5071] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5070] fstat(4, [pid 5067] close(3 [pid 5072] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5071] close(3 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] rmdir("./77/file0" [pid 5068] close(3 [pid 5072] <... openat resumed>) = 3 [pid 5071] <... close resumed>) = 0 [pid 5070] getdents64(4, [pid 5067] <... close resumed>) = 0 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5071] rmdir("./78" [pid 5070] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] rmdir("./75" [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] <... rmdir resumed>) = 0 [pid 5070] getdents64(4, [pid 5069] getdents64(3, [pid 5068] rmdir("./76" [pid 5072] close(3 [pid 5071] mkdir("./79", 0777 [pid 5070] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 5070] close(4 [pid 5069] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] mkdir("./76", 0777 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5070] <... close resumed>) = 0 [pid 5069] close(3 [pid 5068] mkdir("./77", 0777 [pid 5071] <... openat resumed>) = 3 [pid 5070] rmdir("./78/file0" [pid 5069] <... close resumed>) = 0 [pid 5067] <... mkdir resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5554 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5070] <... rmdir resumed>) = 0 [pid 5069] rmdir("./77" [pid 5068] <... mkdir resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] getdents64(3, [pid 5071] close(3 [pid 5070] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5067] <... openat resumed>) = 3 [pid 5071] <... close resumed>) = 0 [pid 5070] close(3 [pid 5069] mkdir("./78", 0777./strace-static-x86_64: Process 5554 attached [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... close resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5554] chdir("./80" [pid 5070] rmdir("./78" [pid 5069] <... mkdir resumed>) = 0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5554] <... chdir resumed>) = 0 [pid 5071] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5555 [pid 5070] <... rmdir resumed>) = 0 [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5554] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] mkdir("./79", 0777 [pid 5554] <... prctl resumed>) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5067] close(3 [pid 5554] setpgid(0, 0 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] <... openat resumed>) = 3 [pid 5068] close(3./strace-static-x86_64: Process 5555 attached [pid 5554] <... setpgid resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] <... close resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5555] chdir("./79" [pid 5554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5555] <... chdir resumed>) = 0 [pid 5554] <... openat resumed>) = 3 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] close(3 [pid 5554] write(3, "1000", 4 [pid 5070] close(3./strace-static-x86_64: Process 5556 attached [pid 5555] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5554] <... write resumed>) = 4 [pid 5070] <... close resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5556 [pid 5555] <... prctl resumed>) = 0 [pid 5554] close(3 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5557 [pid 5556] chdir("./77" [pid 5555] setpgid(0, 0 [pid 5554] <... close resumed>) = 0 [pid 5554] symlink("/dev/binderfs", "./binderfs" [pid 5070] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5558 [pid 5556] <... chdir resumed>) = 0 [pid 5555] <... setpgid resumed>) = 0 [pid 5554] <... symlink resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5559 ./strace-static-x86_64: Process 5557 attached ./strace-static-x86_64: Process 5559 attached [pid 5556] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5554] memfd_create("syzkaller", 0./strace-static-x86_64: Process 5558 attached [pid 5557] chdir("./76" [pid 5556] <... prctl resumed>) = 0 [pid 5555] <... openat resumed>) = 3 [pid 5554] <... memfd_create resumed>) = 3 [pid 5559] chdir("./78" [pid 5558] chdir("./79" [pid 5557] <... chdir resumed>) = 0 [pid 5556] setpgid(0, 0 [pid 5555] write(3, "1000", 4 [pid 5554] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5559] <... chdir resumed>) = 0 [pid 5558] <... chdir resumed>) = 0 [pid 5557] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5556] <... setpgid resumed>) = 0 [pid 5555] <... write resumed>) = 4 [pid 5554] <... mmap resumed>) = 0x7fdf55e96000 [pid 5559] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5558] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5557] <... prctl resumed>) = 0 [pid 5556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5555] close(3 [pid 5559] <... prctl resumed>) = 0 [pid 5558] <... prctl resumed>) = 0 [pid 5557] setpgid(0, 0 [pid 5556] <... openat resumed>) = 3 [pid 5555] <... close resumed>) = 0 [pid 5559] setpgid(0, 0 [pid 5558] setpgid(0, 0 [pid 5557] <... setpgid resumed>) = 0 [pid 5556] write(3, "1000", 4 [pid 5555] symlink("/dev/binderfs", "./binderfs" [pid 5559] <... setpgid resumed>) = 0 [pid 5558] <... setpgid resumed>) = 0 [pid 5557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5556] <... write resumed>) = 4 [pid 5555] <... symlink resumed>) = 0 [pid 5559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5557] <... openat resumed>) = 3 [pid 5556] close(3 [pid 5557] write(3, "1000", 4 [pid 5558] <... openat resumed>) = 3 [pid 5556] <... close resumed>) = 0 [pid 5555] memfd_create("syzkaller", 0 [pid 5559] <... openat resumed>) = 3 [pid 5558] write(3, "1000", 4 [pid 5557] <... write resumed>) = 4 [pid 5556] symlink("/dev/binderfs", "./binderfs" [pid 5555] <... memfd_create resumed>) = 3 [pid 5559] write(3, "1000", 4 [pid 5558] <... write resumed>) = 4 [pid 5557] close(3 [pid 5556] <... symlink resumed>) = 0 [pid 5555] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5559] <... write resumed>) = 4 [pid 5558] close(3 [pid 5557] <... close resumed>) = 0 [pid 5557] symlink("/dev/binderfs", "./binderfs" [pid 5556] memfd_create("syzkaller", 0 [pid 5559] close(3 [pid 5558] <... close resumed>) = 0 [pid 5557] <... symlink resumed>) = 0 [pid 5556] <... memfd_create resumed>) = 3 [pid 5555] <... mmap resumed>) = 0x7fdf55e96000 [pid 5559] <... close resumed>) = 0 [pid 5558] symlink("/dev/binderfs", "./binderfs" [pid 5557] memfd_create("syzkaller", 0 [pid 5556] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5554] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5559] symlink("/dev/binderfs", "./binderfs" [pid 5558] <... symlink resumed>) = 0 [pid 5557] <... memfd_create resumed>) = 3 [pid 5556] <... mmap resumed>) = 0x7fdf55e96000 [pid 5559] <... symlink resumed>) = 0 [pid 5557] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5558] memfd_create("syzkaller", 0 [pid 5557] <... mmap resumed>) = 0x7fdf55e96000 [pid 5559] memfd_create("syzkaller", 0 [pid 5558] <... memfd_create resumed>) = 3 [pid 5559] <... memfd_create resumed>) = 3 [pid 5558] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5559] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5558] <... mmap resumed>) = 0x7fdf55e96000 [pid 5559] <... mmap resumed>) = 0x7fdf55e96000 [pid 5557] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5556] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5559] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5555] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5554] <... write resumed>) = 2097152 [pid 5554] munmap(0x7fdf55e96000, 2097152 [pid 5558] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5557] <... write resumed>) = 2097152 [pid 5554] <... munmap resumed>) = 0 [pid 5554] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5554] ioctl(4, LOOP_SET_FD, 3 [pid 5557] munmap(0x7fdf55e96000, 2097152 [pid 5555] <... write resumed>) = 2097152 [pid 5559] <... write resumed>) = 2097152 [pid 5554] <... ioctl resumed>) = 0 [pid 5554] close(3 [pid 5557] <... munmap resumed>) = 0 [pid 5554] <... close resumed>) = 0 [pid 5557] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5556] <... write resumed>) = 2097152 [pid 5555] munmap(0x7fdf55e96000, 2097152 [pid 5554] mkdir("./file0", 0777 [pid 5559] munmap(0x7fdf55e96000, 2097152 [pid 5558] <... write resumed>) = 2097152 [pid 5557] <... openat resumed>) = 4 [pid 5554] <... mkdir resumed>) = 0 [pid 5556] munmap(0x7fdf55e96000, 2097152 [pid 5555] <... munmap resumed>) = 0 [pid 5557] ioctl(4, LOOP_SET_FD, 3 [pid 5554] mount("/dev/loop5", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5559] <... munmap resumed>) = 0 [pid 5558] munmap(0x7fdf55e96000, 2097152 [pid 5556] <... munmap resumed>) = 0 [pid 5555] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5559] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5558] <... munmap resumed>) = 0 [pid 5556] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5555] <... openat resumed>) = 4 [pid 5559] <... openat resumed>) = 4 [pid 5558] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5556] <... openat resumed>) = 4 [pid 5555] ioctl(4, LOOP_SET_FD, 3 [pid 5559] ioctl(4, LOOP_SET_FD, 3 [pid 5558] <... openat resumed>) = 4 [pid 5557] <... ioctl resumed>) = 0 [pid 5556] ioctl(4, LOOP_SET_FD, 3 [pid 5557] close(3) = 0 [ 101.083219][ T5554] loop5: detected capacity change from 0 to 4096 [ 101.115623][ T5557] loop0: detected capacity change from 0 to 4096 [ 101.123319][ T5555] loop4: detected capacity change from 0 to 4096 [pid 5557] mkdir("./file0", 0777) = 0 [pid 5557] mount("/dev/loop0", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5555] <... ioctl resumed>) = 0 [pid 5555] close(3) = 0 [pid 5555] mkdir("./file0", 0777) = 0 [pid 5558] ioctl(4, LOOP_SET_FD, 3 [pid 5555] mount("/dev/loop4", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5556] <... ioctl resumed>) = 0 [pid 5556] close(3) = 0 [pid 5556] mkdir("./file0", 0777) = 0 [pid 5558] <... ioctl resumed>) = 0 [pid 5559] <... ioctl resumed>) = 0 [pid 5558] close(3 [pid 5559] close(3 [pid 5558] <... close resumed>) = 0 [pid 5559] <... close resumed>) = 0 [pid 5558] mkdir("./file0", 0777 [pid 5559] mkdir("./file0", 0777 [pid 5558] <... mkdir resumed>) = 0 [pid 5559] <... mkdir resumed>) = 0 [pid 5558] mount("/dev/loop3", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5559] mount("/dev/loop2", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [ 101.129927][ T5554] ntfs3: loop5: Different NTFS' sector size (1024) and media sector size (512) [ 101.130080][ T5556] loop1: detected capacity change from 0 to 4096 [ 101.145620][ T5557] ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) [ 101.155165][ T5559] loop2: detected capacity change from 0 to 4096 [ 101.162549][ T5555] ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512) [ 101.171817][ T5558] loop3: detected capacity change from 0 to 4096 [pid 5556] mount("/dev/loop1", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5557] <... mount resumed>) = 0 [pid 5557] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5557] chdir("./file0") = 0 [pid 5557] ioctl(4, LOOP_CLR_FD) = 0 [pid 5557] close(4) = 0 [pid 5557] exit_group(0) = ? [pid 5557] +++ exited with 0 +++ [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5557, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5067] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5067] umount2("./76", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5067] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5554] <... mount resumed>) = 0 [pid 5067] getdents64(3, [pid 5554] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5067] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5554] <... openat resumed>) = 3 [pid 5067] umount2("./76/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5558] <... mount resumed>) = 0 [pid 5555] <... mount resumed>) = 0 [pid 5554] chdir("./file0" [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5558] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5555] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5554] <... chdir resumed>) = 0 [pid 5067] lstat("./76/binderfs", [pid 5558] <... openat resumed>) = 3 [pid 5555] <... openat resumed>) = 3 [pid 5554] ioctl(4, LOOP_CLR_FD [pid 5559] <... mount resumed>) = 0 [pid 5067] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5559] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5558] chdir("./file0" [pid 5555] chdir("./file0" [pid 5554] <... ioctl resumed>) = 0 [pid 5067] unlink("./76/binderfs" [pid 5559] <... openat resumed>) = 3 [pid 5558] <... chdir resumed>) = 0 [pid 5555] <... chdir resumed>) = 0 [pid 5554] close(4 [pid 5067] <... unlink resumed>) = 0 [pid 5559] chdir("./file0" [pid 5558] ioctl(4, LOOP_CLR_FD [pid 5555] ioctl(4, LOOP_CLR_FD [pid 5554] <... close resumed>) = 0 [ 101.194432][ T5558] ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) [ 101.203775][ T5556] ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) [ 101.204842][ T5559] ntfs3: loop2: Different NTFS' sector size (1024) and media sector size (512) [pid 5067] umount2("./76/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5559] <... chdir resumed>) = 0 [pid 5558] <... ioctl resumed>) = 0 [pid 5555] <... ioctl resumed>) = 0 [pid 5554] exit_group(0 [pid 5559] ioctl(4, LOOP_CLR_FD [pid 5558] close(4 [pid 5555] close(4 [pid 5554] <... exit_group resumed>) = ? [pid 5067] <... umount2 resumed>) = 0 [pid 5559] <... ioctl resumed>) = 0 [pid 5558] <... close resumed>) = 0 [pid 5555] <... close resumed>) = 0 [pid 5559] close(4 [pid 5558] exit_group(0 [pid 5555] exit_group(0 [pid 5554] +++ exited with 0 +++ [pid 5559] <... close resumed>) = 0 [pid 5558] <... exit_group resumed>) = ? [pid 5555] <... exit_group resumed>) = ? [pid 5559] exit_group(0 [pid 5558] +++ exited with 0 +++ [pid 5556] <... mount resumed>) = 0 [pid 5555] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5554, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5067] umount2("./76/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5559] <... exit_group resumed>) = ? [pid 5556] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5555, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5559] +++ exited with 0 +++ [pid 5556] <... openat resumed>) = 3 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5558, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=6 /* 0.06 s */} --- [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5556] chdir("./file0") = 0 [pid 5067] lstat("./76/file0", [pid 5556] ioctl(4, LOOP_CLR_FD) = 0 [pid 5072] <... restart_syscall resumed>) = 0 [pid 5067] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5556] close(4) = 0 [pid 5067] umount2("./76/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5556] exit_group(0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5559, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=5 /* 0.05 s */} --- [pid 5556] <... exit_group resumed>) = ? [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5556] +++ exited with 0 +++ [pid 5070] umount2("./79", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] openat(AT_FDCWD, "./76/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5067] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./80", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./79", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] getdents64(4, [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5556, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5067] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5072] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] umount2("./78", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] getdents64(4, [pid 5072] <... openat resumed>) = 3 [pid 5071] <... openat resumed>) = 3 [pid 5070] <... openat resumed>) = 3 [pid 5067] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5072] fstat(3, [pid 5071] fstat(3, [pid 5070] fstat(3, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] close(4 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... close resumed>) = 0 [pid 5072] getdents64(3, [pid 5071] getdents64(3, [pid 5070] getdents64(3, [pid 5069] <... openat resumed>) = 3 [pid 5067] rmdir("./76/file0" [pid 5072] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5071] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5070] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5069] fstat(3, [pid 5072] umount2("./80/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./79/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./79/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] getdents64(3, [pid 5068] umount2("./77", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] getdents64(3, [pid 5072] lstat("./80/binderfs", [pid 5071] lstat("./79/binderfs", [pid 5070] lstat("./79/binderfs", [pid 5069] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] umount2("./78/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5072] unlink("./80/binderfs" [pid 5071] unlink("./79/binderfs" [pid 5070] unlink("./79/binderfs" [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... openat resumed>) = 3 [pid 5067] close(3 [pid 5072] <... unlink resumed>) = 0 [pid 5071] <... unlink resumed>) = 0 [pid 5070] <... unlink resumed>) = 0 [pid 5069] lstat("./78/binderfs", [pid 5068] fstat(3, [pid 5067] <... close resumed>) = 0 [pid 5072] umount2("./80/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./79/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./79/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] rmdir("./76" [pid 5068] getdents64(3, [pid 5067] <... rmdir resumed>) = 0 [pid 5067] mkdir("./77", 0777) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5067] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5067] close(3) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555657a5d0) = 5560 [pid 5069] unlink("./78/binderfs") = 0 [pid 5069] umount2("./78/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5560 attached [pid 5071] <... umount2 resumed>) = 0 [pid 5068] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./79/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./77/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5560] chdir("./77" [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5560] <... chdir resumed>) = 0 [pid 5071] lstat("./79/file0", [pid 5068] lstat("./77/binderfs", [pid 5560] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5560] <... prctl resumed>) = 0 [pid 5071] umount2("./79/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] unlink("./77/binderfs" [pid 5560] setpgid(0, 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... unlink resumed>) = 0 [pid 5560] <... setpgid resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./79/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] umount2("./77/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] <... umount2 resumed>) = 0 [pid 5071] <... openat resumed>) = 4 [pid 5560] <... openat resumed>) = 3 [pid 5071] fstat(4, [pid 5560] write(3, "1000", 4 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5560] <... write resumed>) = 4 [pid 5071] getdents64(4, [pid 5560] close(3 [pid 5071] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5068] <... umount2 resumed>) = 0 [pid 5560] <... close resumed>) = 0 [pid 5071] getdents64(4, [pid 5560] symlink("/dev/binderfs", "./binderfs" [pid 5071] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5560] <... symlink resumed>) = 0 [pid 5071] close(4 [pid 5560] memfd_create("syzkaller", 0 [pid 5071] <... close resumed>) = 0 [pid 5560] <... memfd_create resumed>) = 3 [pid 5071] rmdir("./79/file0" [pid 5560] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5560] <... mmap resumed>) = 0x7fdf55e96000 [pid 5071] getdents64(3, 0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5071] rmdir("./79") = 0 [pid 5071] mkdir("./80", 0777) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5071] close(3) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555657a5d0) = 5561 [pid 5068] umount2("./77/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] lstat("./77/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] umount2("./77/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./77/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5068] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] getdents64(4, 0x555556583660 /* 2 entries */, 32768) = 48 [pid 5068] getdents64(4, 0x555556583660 /* 0 entries */, 32768) = 0 [pid 5068] close(4./strace-static-x86_64: Process 5561 attached ) = 0 [pid 5561] chdir("./80" [pid 5068] rmdir("./77/file0") = 0 [pid 5561] <... chdir resumed>) = 0 [pid 5068] getdents64(3, 0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5561] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5068] close(3 [pid 5561] <... prctl resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5561] setpgid(0, 0 [pid 5068] rmdir("./77" [pid 5561] <... setpgid resumed>) = 0 [pid 5561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] <... rmdir resumed>) = 0 [pid 5561] <... openat resumed>) = 3 [pid 5561] write(3, "1000", 4 [pid 5068] mkdir("./78", 0777 [pid 5561] <... write resumed>) = 4 [pid 5068] <... mkdir resumed>) = 0 [pid 5561] close(3 [pid 5069] <... umount2 resumed>) = 0 [pid 5561] <... close resumed>) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5561] symlink("/dev/binderfs", "./binderfs" [pid 5072] umount2("./80/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./79/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./78/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5561] <... symlink resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... openat resumed>) = 3 [pid 5561] memfd_create("syzkaller", 0 [pid 5072] lstat("./80/file0", [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5561] <... memfd_create resumed>) = 3 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5561] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5561] <... mmap resumed>) = 0x7fdf55e96000 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] lstat("./79/file0", [pid 5069] lstat("./78/file0", [pid 5068] close(3 [pid 5072] umount2("./80/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] <... close resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./79/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./78/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5562 [pid 5072] openat(AT_FDCWD, "./80/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... openat resumed>) = 4 [pid 5070] openat(AT_FDCWD, "./79/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] openat(AT_FDCWD, "./78/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] fstat(4, [pid 5070] <... openat resumed>) = 4 [pid 5069] <... openat resumed>) = 4 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] fstat(4, [pid 5069] fstat(4, [pid 5072] getdents64(4, [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(4, [pid 5070] getdents64(4, [pid 5069] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5560] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5072] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5070] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, ./strace-static-x86_64: Process 5562 attached [pid 5072] close(4 [pid 5070] getdents64(4, [pid 5069] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5562] chdir("./78" [pid 5072] <... close resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5069] close(4 [pid 5562] <... chdir resumed>) = 0 [pid 5072] rmdir("./80/file0" [pid 5070] close(4 [pid 5069] <... close resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5562] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] rmdir("./79/file0" [pid 5069] rmdir("./78/file0" [pid 5072] getdents64(3, [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5562] <... prctl resumed>) = 0 [pid 5070] getdents64(3, [pid 5072] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5562] setpgid(0, 0 [pid 5070] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5069] getdents64(3, [pid 5562] <... setpgid resumed>) = 0 [pid 5072] close(3 [pid 5070] close(3 [pid 5069] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] <... close resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 5069] close(3 [pid 5562] <... openat resumed>) = 3 [pid 5072] rmdir("./80" [pid 5070] rmdir("./79" [pid 5069] <... close resumed>) = 0 [pid 5562] write(3, "1000", 4 [pid 5069] rmdir("./78" [pid 5070] <... rmdir resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5562] <... write resumed>) = 4 [pid 5072] mkdir("./81", 0777 [pid 5070] mkdir("./80", 0777 [pid 5562] close(3 [pid 5069] mkdir("./79", 0777 [pid 5562] <... close resumed>) = 0 [pid 5072] <... mkdir resumed>) = 0 [pid 5562] symlink("/dev/binderfs", "./binderfs" [pid 5069] <... mkdir resumed>) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 5562] <... symlink resumed>) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5562] memfd_create("syzkaller", 0 [pid 5069] <... openat resumed>) = 3 [pid 5562] <... memfd_create resumed>) = 3 [pid 5072] <... openat resumed>) = 3 [pid 5070] <... openat resumed>) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5562] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] close(3 [pid 5562] <... mmap resumed>) = 0x7fdf55e96000 [pid 5070] close(3 [pid 5072] close(3 [pid 5069] <... close resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555657a5d0) = 5564 [pid 5069] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5563 [pid 5072] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5565 [pid 5561] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152./strace-static-x86_64: Process 5563 attached [pid 5563] chdir("./79"./strace-static-x86_64: Process 5564 attached [pid 5564] chdir("./80" [pid 5563] <... chdir resumed>) = 0 [pid 5564] <... chdir resumed>) = 0 [pid 5563] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5564] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5563] <... prctl resumed>) = 0 [pid 5564] <... prctl resumed>) = 0 [pid 5563] setpgid(0, 0 [pid 5564] setpgid(0, 0 [pid 5563] <... setpgid resumed>) = 0 [pid 5564] <... setpgid resumed>) = 0 [pid 5563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5565 attached [pid 5564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5563] <... openat resumed>) = 3 [pid 5564] <... openat resumed>) = 3 [pid 5563] write(3, "1000", 4 [pid 5564] write(3, "1000", 4 [pid 5563] <... write resumed>) = 4 [pid 5565] chdir("./81" [pid 5564] <... write resumed>) = 4 [pid 5563] close(3 [pid 5564] close(3 [pid 5563] <... close resumed>) = 0 [pid 5565] <... chdir resumed>) = 0 [pid 5564] <... close resumed>) = 0 [pid 5563] symlink("/dev/binderfs", "./binderfs" [pid 5560] <... write resumed>) = 2097152 [pid 5565] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5564] symlink("/dev/binderfs", "./binderfs" [pid 5563] <... symlink resumed>) = 0 [pid 5565] <... prctl resumed>) = 0 [pid 5564] <... symlink resumed>) = 0 [pid 5563] memfd_create("syzkaller", 0 [pid 5565] setpgid(0, 0 [pid 5564] memfd_create("syzkaller", 0 [pid 5563] <... memfd_create resumed>) = 3 [pid 5565] <... setpgid resumed>) = 0 [pid 5564] <... memfd_create resumed>) = 3 [pid 5563] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5564] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5563] <... mmap resumed>) = 0x7fdf55e96000 [pid 5565] <... openat resumed>) = 3 [pid 5564] <... mmap resumed>) = 0x7fdf55e96000 [pid 5565] write(3, "1000", 4) = 4 [pid 5565] close(3) = 0 [pid 5565] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5560] munmap(0x7fdf55e96000, 2097152 [pid 5565] memfd_create("syzkaller", 0) = 3 [pid 5565] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 [pid 5560] <... munmap resumed>) = 0 [pid 5560] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5560] ioctl(4, LOOP_SET_FD, 3 [pid 5562] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5560] <... ioctl resumed>) = 0 [pid 5561] <... write resumed>) = 2097152 [pid 5561] munmap(0x7fdf55e96000, 2097152 [pid 5560] close(3 [pid 5561] <... munmap resumed>) = 0 [pid 5560] <... close resumed>) = 0 [pid 5561] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5560] mkdir("./file0", 0777 [pid 5564] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5561] <... openat resumed>) = 4 [pid 5560] <... mkdir resumed>) = 0 [pid 5561] ioctl(4, LOOP_SET_FD, 3 [ 101.537639][ T5560] loop0: detected capacity change from 0 to 4096 [pid 5560] mount("/dev/loop0", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5565] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5563] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5562] <... write resumed>) = 2097152 [pid 5561] <... ioctl resumed>) = 0 [pid 5561] close(3) = 0 [pid 5561] mkdir("./file0", 0777) = 0 [ 101.587451][ T5561] loop4: detected capacity change from 0 to 4096 [ 101.594685][ T5560] ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) [pid 5561] mount("/dev/loop4", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5562] munmap(0x7fdf55e96000, 2097152) = 0 [pid 5562] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5562] ioctl(4, LOOP_SET_FD, 3 [pid 5565] <... write resumed>) = 2097152 [pid 5564] <... write resumed>) = 2097152 [pid 5562] <... ioctl resumed>) = 0 [pid 5562] close(3 [pid 5565] munmap(0x7fdf55e96000, 2097152 [pid 5562] <... close resumed>) = 0 [pid 5562] mkdir("./file0", 0777) = 0 [pid 5562] mount("/dev/loop1", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5565] <... munmap resumed>) = 0 [pid 5563] <... write resumed>) = 2097152 [pid 5560] <... mount resumed>) = 0 [ 101.639554][ T5561] ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512) [ 101.660647][ T5562] loop1: detected capacity change from 0 to 4096 [pid 5560] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5560] chdir("./file0") = 0 [pid 5563] munmap(0x7fdf55e96000, 2097152 [pid 5560] ioctl(4, LOOP_CLR_FD) = 0 [pid 5564] munmap(0x7fdf55e96000, 2097152 [pid 5560] close(4) = 0 [pid 5565] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5560] exit_group(0 [pid 5564] <... munmap resumed>) = 0 [pid 5563] <... munmap resumed>) = 0 [pid 5564] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5563] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5560] <... exit_group resumed>) = ? [pid 5564] <... openat resumed>) = 4 [pid 5563] <... openat resumed>) = 4 [pid 5560] +++ exited with 0 +++ [ 101.686336][ T5562] ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) [ 101.717353][ T5564] loop3: detected capacity change from 0 to 4096 [ 101.720172][ T5565] loop5: detected capacity change from 0 to 4096 [ 101.724351][ T5563] loop2: detected capacity change from 0 to 4096 [pid 5564] ioctl(4, LOOP_SET_FD, 3 [pid 5563] ioctl(4, LOOP_SET_FD, 3 [pid 5565] <... openat resumed>) = 4 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5560, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5067] umount2("./77", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5565] ioctl(4, LOOP_SET_FD, 3 [pid 5067] <... openat resumed>) = 3 [pid 5067] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] getdents64(3, 0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5067] umount2("./77/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] lstat("./77/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5067] unlink("./77/binderfs") = 0 [pid 5067] umount2("./77/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5565] <... ioctl resumed>) = 0 [pid 5565] close(3) = 0 [pid 5565] mkdir("./file0", 0777) = 0 [pid 5565] mount("/dev/loop5", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5564] <... ioctl resumed>) = 0 [pid 5563] <... ioctl resumed>) = 0 [pid 5561] <... mount resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 5564] close(3 [pid 5563] close(3 [pid 5561] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5564] <... close resumed>) = 0 [pid 5563] <... close resumed>) = 0 [pid 5561] <... openat resumed>) = 3 [pid 5564] mkdir("./file0", 0777 [pid 5563] mkdir("./file0", 0777 [pid 5561] chdir("./file0" [pid 5564] <... mkdir resumed>) = 0 [pid 5563] <... mkdir resumed>) = 0 [pid 5561] <... chdir resumed>) = 0 [pid 5564] mount("/dev/loop3", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5563] mount("/dev/loop2", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5561] ioctl(4, LOOP_CLR_FD) = 0 [pid 5067] umount2("./77/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] lstat("./77/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5561] close(4 [pid 5067] umount2("./77/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./77/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5067] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] getdents64(4, 0x555556583660 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(4, 0x555556583660 /* 0 entries */, 32768) = 0 [pid 5067] close(4) = 0 [pid 5067] rmdir("./77/file0") = 0 [pid 5067] getdents64(3, [pid 5561] <... close resumed>) = 0 [pid 5067] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5067] close(3) = 0 [pid 5067] rmdir("./77") = 0 [pid 5067] mkdir("./78", 0777) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5067] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5561] exit_group(0 [pid 5067] close(3 [pid 5562] <... mount resumed>) = 0 [pid 5561] <... exit_group resumed>) = ? [pid 5067] <... close resumed>) = 0 [pid 5562] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5562] <... openat resumed>) = 3 [pid 5561] +++ exited with 0 +++ [pid 5562] chdir("./file0" [pid 5067] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5566 [pid 5562] <... chdir resumed>) = 0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5561, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=5 /* 0.05 s */} --- [pid 5562] ioctl(4, LOOP_CLR_FD [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 5565] <... mount resumed>) = 0 [pid 5562] <... ioctl resumed>) = 0 [pid 5071] <... restart_syscall resumed>) = 0 [pid 5565] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5562] close(4./strace-static-x86_64: Process 5566 attached [pid 5565] <... openat resumed>) = 3 [pid 5562] <... close resumed>) = 0 [pid 5566] chdir("./78" [pid 5565] chdir("./file0" [pid 5562] exit_group(0 [pid 5071] umount2("./80", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5566] <... chdir resumed>) = 0 [pid 5565] <... chdir resumed>) = 0 [pid 5562] <... exit_group resumed>) = ? [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5566] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5565] ioctl(4, LOOP_CLR_FD [pid 5562] +++ exited with 0 +++ [ 101.740178][ T5565] ntfs3: loop5: Different NTFS' sector size (1024) and media sector size (512) [ 101.760075][ T5564] ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) [ 101.770135][ T5563] ntfs3: loop2: Different NTFS' sector size (1024) and media sector size (512) [pid 5071] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5566] <... prctl resumed>) = 0 [pid 5565] <... ioctl resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5562, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5566] setpgid(0, 0 [pid 5565] close(4 [pid 5071] fstat(3, [pid 5566] <... setpgid resumed>) = 0 [pid 5565] <... close resumed>) = 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5565] exit_group(0 [pid 5071] getdents64(3, [pid 5566] <... openat resumed>) = 3 [pid 5565] <... exit_group resumed>) = ? [pid 5071] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5566] write(3, "1000", 4 [pid 5565] +++ exited with 0 +++ [pid 5071] umount2("./80/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5566] <... write resumed>) = 4 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5566] close(3 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5565, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5071] lstat("./80/binderfs", [pid 5068] umount2("./78", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5566] <... close resumed>) = 0 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5566] symlink("/dev/binderfs", "./binderfs" [pid 5072] <... restart_syscall resumed>) = 0 [pid 5071] unlink("./80/binderfs" [pid 5068] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5566] <... symlink resumed>) = 0 [pid 5071] <... unlink resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5566] memfd_create("syzkaller", 0 [pid 5564] <... mount resumed>) = 0 [pid 5563] <... mount resumed>) = 0 [pid 5071] umount2("./80/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] fstat(3, [pid 5566] <... memfd_create resumed>) = 3 [pid 5564] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] umount2("./81", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5566] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5564] <... openat resumed>) = 3 [pid 5563] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... umount2 resumed>) = 0 [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5566] <... mmap resumed>) = 0x7fdf55e96000 [pid 5564] chdir("./file0" [pid 5563] <... openat resumed>) = 3 [pid 5072] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] umount2("./80/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] getdents64(3, [pid 5564] <... chdir resumed>) = 0 [pid 5563] chdir("./file0" [pid 5072] <... openat resumed>) = 3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5564] ioctl(4, LOOP_CLR_FD [pid 5563] <... chdir resumed>) = 0 [pid 5072] fstat(3, [pid 5071] lstat("./80/file0", [pid 5068] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5564] <... ioctl resumed>) = 0 [pid 5563] ioctl(4, LOOP_CLR_FD [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] umount2("./78/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5564] close(4 [pid 5563] <... ioctl resumed>) = 0 [pid 5072] getdents64(3, [pid 5071] umount2("./80/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5564] <... close resumed>) = 0 [pid 5563] close(4 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] lstat("./78/binderfs", [pid 5564] exit_group(0 [pid 5563] <... close resumed>) = 0 [pid 5072] umount2("./81/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] openat(AT_FDCWD, "./80/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5564] <... exit_group resumed>) = ? [pid 5563] exit_group(0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... openat resumed>) = 4 [pid 5068] unlink("./78/binderfs" [pid 5564] +++ exited with 0 +++ [pid 5563] <... exit_group resumed>) = ? [pid 5072] lstat("./81/binderfs", [pid 5071] fstat(4, [pid 5068] <... unlink resumed>) = 0 [pid 5563] +++ exited with 0 +++ [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] umount2("./78/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] unlink("./81/binderfs" [pid 5071] getdents64(4, [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5564, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=2 /* 0.02 s */} --- [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5563, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=5 /* 0.05 s */} --- [pid 5072] <... unlink resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5070] umount2("./80", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./81/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] getdents64(4, [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5070] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] close(4) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5071] rmdir("./80/file0" [pid 5070] fstat(3, [pid 5071] <... rmdir resumed>) = 0 [pid 5071] getdents64(3, [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5070] getdents64(3, [pid 5071] close(3) = 0 [pid 5071] rmdir("./80" [pid 5070] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./79", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... rmdir resumed>) = 0 [pid 5070] umount2("./80/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] mkdir("./81", 0777 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... mkdir resumed>) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5071] close(3) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555657a5d0) = 5567 ./strace-static-x86_64: Process 5567 attached [pid 5070] lstat("./80/binderfs", [pid 5069] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5070] unlink("./80/binderfs" [pid 5069] fstat(3, [pid 5070] <... unlink resumed>) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./80/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] getdents64(3, 0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./79/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./79/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] unlink("./79/binderfs" [pid 5567] chdir("./81") = 0 [pid 5069] <... unlink resumed>) = 0 [pid 5069] umount2("./79/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5567] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5567] setpgid(0, 0) = 0 [pid 5567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5567] write(3, "1000", 4) = 4 [pid 5567] close(3) = 0 [pid 5567] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 5068] umount2("./78/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] lstat("./78/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] umount2("./78/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./78/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5068] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] getdents64(4, 0x555556583660 /* 2 entries */, 32768) = 48 [pid 5068] getdents64(4, 0x555556583660 /* 0 entries */, 32768) = 0 [pid 5068] close(4) = 0 [pid 5567] memfd_create("syzkaller", 0 [pid 5068] rmdir("./78/file0" [pid 5567] <... memfd_create resumed>) = 3 [pid 5068] <... rmdir resumed>) = 0 [pid 5068] getdents64(3, [pid 5567] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5068] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5068] close(3) = 0 [pid 5068] rmdir("./78" [pid 5567] <... mmap resumed>) = 0x7fdf55e96000 [pid 5068] <... rmdir resumed>) = 0 [pid 5068] mkdir("./79", 0777) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5072] <... umount2 resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5068] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5068] close(3) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] umount2("./81/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5568 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./81/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./80/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./79/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./81/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./80/file0", [pid 5069] lstat("./79/file0", [pid 5072] openat(AT_FDCWD, "./81/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... openat resumed>) = 4 [pid 5070] umount2("./80/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./79/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] fstat(4, [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] openat(AT_FDCWD, "./80/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] openat(AT_FDCWD, "./79/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] getdents64(4, [pid 5070] <... openat resumed>) = 4 [pid 5069] <... openat resumed>) = 4 [pid 5566] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5072] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5070] fstat(4, [pid 5069] fstat(4, [pid 5072] getdents64(4, [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5070] getdents64(4, [pid 5069] getdents64(4, [pid 5072] close(4 [pid 5070] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5069] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 5568 attached [pid 5072] <... close resumed>) = 0 [pid 5070] getdents64(4, [pid 5069] getdents64(4, [pid 5568] chdir("./79" [pid 5072] rmdir("./81/file0" [pid 5070] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5069] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5070] close(4 [pid 5069] close(4 [pid 5072] getdents64(3, [pid 5070] <... close resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5070] rmdir("./80/file0" [pid 5069] rmdir("./79/file0" [pid 5072] close(3 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 5070] getdents64(3, [pid 5069] getdents64(3, [pid 5072] rmdir("./81" [pid 5070] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5069] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5568] <... chdir resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5070] close(3 [pid 5069] close(3 [pid 5072] mkdir("./82", 0777 [pid 5070] <... close resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5568] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] <... mkdir resumed>) = 0 [pid 5070] rmdir("./80" [pid 5069] rmdir("./79" [pid 5568] <... prctl resumed>) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5568] setpgid(0, 0 [pid 5072] <... openat resumed>) = 3 [pid 5070] mkdir("./81", 0777 [pid 5069] mkdir("./80", 0777 [pid 5568] <... setpgid resumed>) = 0 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5070] <... mkdir resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5072] close(3 [pid 5070] <... openat resumed>) = 3 [pid 5069] <... openat resumed>) = 3 [pid 5568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] <... close resumed>) = 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5568] <... openat resumed>) = 3 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5568] write(3, "1000", 4 [pid 5070] close(3 [pid 5069] close(3 [pid 5568] <... write resumed>) = 4 [pid 5072] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5569 [pid 5070] <... close resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5568] close(3 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5568] <... close resumed>) = 0 [pid 5568] symlink("/dev/binderfs", "./binderfs" [pid 5070] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5570 [pid 5069] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5571 [pid 5568] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 5569 attached [pid 5568] memfd_create("syzkaller", 0) = 3 ./strace-static-x86_64: Process 5570 attached [pid 5569] chdir("./82" [pid 5570] chdir("./81" [pid 5569] <... chdir resumed>) = 0 [pid 5568] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5570] <... chdir resumed>) = 0 [pid 5569] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5568] <... mmap resumed>) = 0x7fdf55e96000 [pid 5570] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5569] <... prctl resumed>) = 0 [pid 5570] <... prctl resumed>) = 0 [pid 5569] setpgid(0, 0 [pid 5570] setpgid(0, 0 [pid 5569] <... setpgid resumed>) = 0 [pid 5570] <... setpgid resumed>) = 0 [pid 5569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5569] <... openat resumed>) = 3 [pid 5570] <... openat resumed>) = 3 [pid 5569] write(3, "1000", 4 [pid 5570] write(3, "1000", 4 [pid 5569] <... write resumed>) = 4 [pid 5570] <... write resumed>) = 4 [pid 5569] close(3 [pid 5570] close(3 [pid 5569] <... close resumed>) = 0 [pid 5570] <... close resumed>) = 0 [pid 5569] symlink("/dev/binderfs", "./binderfs" [pid 5566] <... write resumed>) = 2097152 [pid 5570] symlink("/dev/binderfs", "./binderfs" [pid 5569] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 5571 attached [pid 5570] <... symlink resumed>) = 0 [pid 5569] memfd_create("syzkaller", 0 [pid 5566] munmap(0x7fdf55e96000, 2097152 [pid 5571] chdir("./80" [pid 5570] memfd_create("syzkaller", 0 [pid 5569] <... memfd_create resumed>) = 3 [pid 5571] <... chdir resumed>) = 0 [pid 5570] <... memfd_create resumed>) = 3 [pid 5569] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5571] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5570] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5569] <... mmap resumed>) = 0x7fdf55e96000 [pid 5566] <... munmap resumed>) = 0 [pid 5571] <... prctl resumed>) = 0 [pid 5570] <... mmap resumed>) = 0x7fdf55e96000 [pid 5571] setpgid(0, 0) = 0 [pid 5566] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5566] <... openat resumed>) = 4 [pid 5571] <... openat resumed>) = 3 [pid 5566] ioctl(4, LOOP_SET_FD, 3 [pid 5571] write(3, "1000", 4 [pid 5567] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5566] <... ioctl resumed>) = 0 [pid 5571] <... write resumed>) = 4 [pid 5571] close(3) = 0 [pid 5571] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5571] memfd_create("syzkaller", 0) = 3 [pid 5571] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5570] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5568] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5571] <... mmap resumed>) = 0x7fdf55e96000 [ 102.039424][ T5566] loop0: detected capacity change from 0 to 4096 [pid 5566] close(3) = 0 [pid 5566] mkdir("./file0", 0777) = 0 [pid 5566] mount("/dev/loop0", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5567] <... write resumed>) = 2097152 [pid 5569] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5567] munmap(0x7fdf55e96000, 2097152) = 0 [pid 5567] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 102.083141][ T5566] ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) [pid 5567] ioctl(4, LOOP_SET_FD, 3 [pid 5566] <... mount resumed>) = 0 [pid 5566] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5566] chdir("./file0") = 0 [pid 5566] ioctl(4, LOOP_CLR_FD) = 0 [pid 5566] close(4) = 0 [pid 5566] exit_group(0) = ? [pid 5571] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5568] <... write resumed>) = 2097152 [pid 5567] <... ioctl resumed>) = 0 [pid 5566] +++ exited with 0 +++ [pid 5568] munmap(0x7fdf55e96000, 2097152 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5566, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=5 /* 0.05 s */} --- [pid 5067] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5567] close(3 [pid 5067] umount2("./78", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5567] <... close resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5567] mkdir("./file0", 0777 [pid 5067] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5570] <... write resumed>) = 2097152 [pid 5568] <... munmap resumed>) = 0 [pid 5567] <... mkdir resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5567] mount("/dev/loop4", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [ 102.136124][ T5567] loop4: detected capacity change from 0 to 4096 [pid 5067] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5569] <... write resumed>) = 2097152 [pid 5067] getdents64(3, [pid 5569] munmap(0x7fdf55e96000, 2097152 [pid 5570] munmap(0x7fdf55e96000, 2097152 [pid 5569] <... munmap resumed>) = 0 [pid 5568] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5067] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5570] <... munmap resumed>) = 0 [pid 5568] <... openat resumed>) = 4 [pid 5067] umount2("./78/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5568] ioctl(4, LOOP_SET_FD, 3 [pid 5067] lstat("./78/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5568] <... ioctl resumed>) = 0 [pid 5570] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5569] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5568] close(3 [pid 5067] unlink("./78/binderfs" [pid 5568] <... close resumed>) = 0 [pid 5067] <... unlink resumed>) = 0 [pid 5568] mkdir("./file0", 0777 [pid 5067] umount2("./78/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5571] <... write resumed>) = 2097152 [pid 5570] <... openat resumed>) = 4 [pid 5569] <... openat resumed>) = 4 [pid 5568] <... mkdir resumed>) = 0 [ 102.186378][ T5567] ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512) [ 102.215890][ T5568] loop1: detected capacity change from 0 to 4096 [pid 5570] ioctl(4, LOOP_SET_FD, 3 [pid 5569] ioctl(4, LOOP_SET_FD, 3 [pid 5568] mount("/dev/loop1", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5067] <... umount2 resumed>) = 0 [pid 5571] munmap(0x7fdf55e96000, 2097152 [pid 5570] <... ioctl resumed>) = 0 [pid 5569] <... ioctl resumed>) = 0 [pid 5569] close(3) = 0 [pid 5569] mkdir("./file0", 0777) = 0 [pid 5569] mount("/dev/loop5", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5571] <... munmap resumed>) = 0 [pid 5570] close(3 [pid 5067] umount2("./78/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5571] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5570] <... close resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5571] <... openat resumed>) = 4 [pid 5570] mkdir("./file0", 0777 [pid 5067] lstat("./78/file0", [pid 5571] ioctl(4, LOOP_SET_FD, 3 [pid 5570] <... mkdir resumed>) = 0 [pid 5067] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] umount2("./78/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 102.261709][ T5570] loop3: detected capacity change from 0 to 4096 [ 102.270804][ T5569] loop5: detected capacity change from 0 to 4096 [ 102.279057][ T5568] ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) [ 102.284934][ T5569] ntfs3: loop5: Different NTFS' sector size (1024) and media sector size (512) [ 102.302085][ T5571] loop2: detected capacity change from 0 to 4096 [pid 5570] mount("/dev/loop3", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5067] openat(AT_FDCWD, "./78/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5067] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] getdents64(4, 0x555556583660 /* 2 entries */, 32768) = 48 [pid 5567] <... mount resumed>) = 0 [pid 5571] <... ioctl resumed>) = 0 [pid 5567] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5067] getdents64(4, 0x555556583660 /* 0 entries */, 32768) = 0 [pid 5567] <... openat resumed>) = 3 [pid 5067] close(4 [pid 5567] chdir("./file0" [pid 5571] close(3 [pid 5567] <... chdir resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5571] <... close resumed>) = 0 [pid 5567] ioctl(4, LOOP_CLR_FD [pid 5067] rmdir("./78/file0" [pid 5571] mkdir("./file0", 0777 [pid 5569] <... mount resumed>) = 0 [pid 5567] <... ioctl resumed>) = 0 [pid 5569] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5567] close(4 [pid 5067] <... rmdir resumed>) = 0 [pid 5569] chdir("./file0" [pid 5567] <... close resumed>) = 0 [pid 5569] <... chdir resumed>) = 0 [pid 5569] ioctl(4, LOOP_CLR_FD) = 0 [pid 5569] close(4) = 0 [pid 5569] exit_group(0 [pid 5571] <... mkdir resumed>) = 0 [pid 5569] <... exit_group resumed>) = ? [pid 5567] exit_group(0 [pid 5067] getdents64(3, [pid 5571] mount("/dev/loop2", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5569] +++ exited with 0 +++ [pid 5567] <... exit_group resumed>) = ? [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5569, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- [pid 5067] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5567] +++ exited with 0 +++ [ 102.318644][ T5570] ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) [pid 5067] close(3 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5567, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=7 /* 0.07 s */} --- [pid 5067] <... close resumed>) = 0 [pid 5071] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5072] umount2("./82", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] umount2("./81", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5568] <... mount resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5568] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] fstat(3, [pid 5071] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5568] <... openat resumed>) = 3 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5568] chdir("./file0" [pid 5072] getdents64(3, [pid 5071] fstat(3, [pid 5568] <... chdir resumed>) = 0 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5568] ioctl(4, LOOP_CLR_FD [pid 5072] umount2("./82/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] getdents64(3, [pid 5568] <... ioctl resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5067] rmdir("./78" [pid 5568] close(4 [pid 5072] lstat("./82/binderfs", [pid 5071] umount2("./81/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5568] <... close resumed>) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... rmdir resumed>) = 0 [pid 5568] exit_group(0 [pid 5072] unlink("./82/binderfs" [pid 5071] lstat("./81/binderfs", [pid 5067] mkdir("./79", 0777 [pid 5568] <... exit_group resumed>) = ? [pid 5072] <... unlink resumed>) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5568] +++ exited with 0 +++ [pid 5072] umount2("./82/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] unlink("./81/binderfs" [pid 5067] <... mkdir resumed>) = 0 [pid 5071] <... unlink resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5568, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=4 /* 0.04 s */} --- [pid 5071] umount2("./81/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5068] umount2("./79", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5068] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] getdents64(3, 0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5068] umount2("./79/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] lstat("./79/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] unlink("./79/binderfs") = 0 [pid 5068] umount2("./79/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... openat resumed>) = 3 [pid 5067] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5067] close(3) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555657a5d0) = 5572 ./strace-static-x86_64: Process 5572 attached [pid 5572] chdir("./79") = 0 [pid 5572] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5572] setpgid(0, 0) = 0 [pid 5572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5071] <... umount2 resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [ 102.369156][ T5571] ntfs3: loop2: Different NTFS' sector size (1024) and media sector size (512) [pid 5572] write(3, "1000", 4 [pid 5071] umount2("./81/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./79/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5572] <... write resumed>) = 4 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5572] close(3 [pid 5071] lstat("./81/file0", [pid 5068] lstat("./79/file0", [pid 5572] <... close resumed>) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5572] symlink("/dev/binderfs", "./binderfs" [pid 5570] <... mount resumed>) = 0 [pid 5071] umount2("./81/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./79/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5572] <... symlink resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... umount2 resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./81/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] openat(AT_FDCWD, "./79/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5572] memfd_create("syzkaller", 0 [pid 5571] <... mount resumed>) = 0 [pid 5072] umount2("./82/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... openat resumed>) = 4 [pid 5068] <... openat resumed>) = 4 [pid 5571] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] fstat(4, [pid 5068] fstat(4, [pid 5572] <... memfd_create resumed>) = 3 [pid 5571] <... openat resumed>) = 3 [pid 5570] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] lstat("./82/file0", [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5572] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5571] chdir("./file0" [pid 5570] <... openat resumed>) = 3 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(4, [pid 5068] getdents64(4, [pid 5572] <... mmap resumed>) = 0x7fdf55e96000 [pid 5571] <... chdir resumed>) = 0 [pid 5570] chdir("./file0" [pid 5072] umount2("./82/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5068] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5571] ioctl(4, LOOP_CLR_FD [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] getdents64(4, [pid 5068] getdents64(4, [pid 5571] <... ioctl resumed>) = 0 [pid 5072] openat(AT_FDCWD, "./82/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5068] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5571] close(4 [pid 5072] <... openat resumed>) = 4 [pid 5071] close(4 [pid 5068] close(4 [pid 5571] <... close resumed>) = 0 [pid 5570] <... chdir resumed>) = 0 [pid 5072] fstat(4, [pid 5071] <... close resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5571] exit_group(0 [pid 5570] ioctl(4, LOOP_CLR_FD [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] rmdir("./81/file0" [pid 5068] rmdir("./79/file0" [pid 5571] <... exit_group resumed>) = ? [pid 5072] getdents64(4, [pid 5071] <... rmdir resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5571] +++ exited with 0 +++ [pid 5570] <... ioctl resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(3, [pid 5068] getdents64(3, [pid 5072] getdents64(4, [pid 5071] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5571, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=6 /* 0.06 s */} --- [pid 5570] close(4 [pid 5068] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5570] <... close resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5071] close(3 [pid 5068] close(3 [pid 5570] exit_group(0 [pid 5072] close(4 [pid 5071] <... close resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5570] <... exit_group resumed>) = ? [pid 5072] <... close resumed>) = 0 [pid 5071] rmdir("./81" [pid 5068] rmdir("./79" [pid 5570] +++ exited with 0 +++ [pid 5072] rmdir("./82/file0" [pid 5071] <... rmdir resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5071] mkdir("./82", 0777 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5570, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=4 /* 0.04 s */} --- [pid 5068] mkdir("./80", 0777 [pid 5072] getdents64(3, [pid 5071] <... mkdir resumed>) = 0 [pid 5069] umount2("./80", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... mkdir resumed>) = 0 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5072] close(3 [pid 5071] <... openat resumed>) = 3 [pid 5070] umount2("./81", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... openat resumed>) = 3 [pid 5072] <... close resumed>) = 0 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... openat resumed>) = 3 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5072] rmdir("./82" [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] fstat(3, [pid 5068] <... ioctl resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5071] close(3 [pid 5070] <... openat resumed>) = 3 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] close(3 [pid 5072] mkdir("./83", 0777 [pid 5071] <... close resumed>) = 0 [pid 5070] fstat(3, [pid 5069] getdents64(3, [pid 5068] <... close resumed>) = 0 [pid 5072] <... mkdir resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5070] getdents64(3, [pid 5069] umount2("./80/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... openat resumed>) = 3 [pid 5071] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5573 [pid 5070] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5574 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5070] umount2("./81/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] lstat("./80/binderfs", [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] close(3 [pid 5070] lstat("./81/binderfs", [pid 5069] unlink("./80/binderfs"./strace-static-x86_64: Process 5574 attached ./strace-static-x86_64: Process 5573 attached [pid 5072] <... close resumed>) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 5574] chdir("./80" [pid 5573] chdir("./82" [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] unlink("./81/binderfs" [pid 5069] umount2("./80/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5574] <... chdir resumed>) = 0 [pid 5573] <... chdir resumed>) = 0 [pid 5070] <... unlink resumed>) = 0 [pid 5574] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5573] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5575 [pid 5070] umount2("./81/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5574] <... prctl resumed>) = 0 [pid 5573] <... prctl resumed>) = 0 [pid 5572] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152./strace-static-x86_64: Process 5575 attached [pid 5574] setpgid(0, 0 [pid 5573] setpgid(0, 0 [pid 5575] chdir("./83" [pid 5574] <... setpgid resumed>) = 0 [pid 5573] <... setpgid resumed>) = 0 [pid 5575] <... chdir resumed>) = 0 [pid 5574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] <... umount2 resumed>) = 0 [pid 5575] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5574] <... openat resumed>) = 3 [pid 5573] <... openat resumed>) = 3 [pid 5575] <... prctl resumed>) = 0 [pid 5574] write(3, "1000", 4 [pid 5573] write(3, "1000", 4 [pid 5069] <... umount2 resumed>) = 0 [pid 5575] setpgid(0, 0 [pid 5574] <... write resumed>) = 4 [pid 5573] <... write resumed>) = 4 [pid 5575] <... setpgid resumed>) = 0 [pid 5574] close(3 [pid 5573] close(3 [pid 5069] umount2("./80/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5574] <... close resumed>) = 0 [pid 5573] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5575] <... openat resumed>) = 3 [pid 5574] symlink("/dev/binderfs", "./binderfs" [pid 5573] symlink("/dev/binderfs", "./binderfs" [pid 5069] lstat("./80/file0", [pid 5575] write(3, "1000", 4 [pid 5574] <... symlink resumed>) = 0 [pid 5573] <... symlink resumed>) = 0 [pid 5070] umount2("./81/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5575] <... write resumed>) = 4 [pid 5574] memfd_create("syzkaller", 0 [pid 5573] memfd_create("syzkaller", 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./80/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5575] close(3 [pid 5574] <... memfd_create resumed>) = 3 [pid 5573] <... memfd_create resumed>) = 3 [pid 5070] lstat("./81/file0", [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5575] <... close resumed>) = 0 [pid 5574] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5573] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] openat(AT_FDCWD, "./80/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5575] symlink("/dev/binderfs", "./binderfs" [pid 5574] <... mmap resumed>) = 0x7fdf55e96000 [pid 5573] <... mmap resumed>) = 0x7fdf55e96000 [pid 5070] umount2("./81/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... openat resumed>) = 4 [pid 5575] <... symlink resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] fstat(4, [pid 5070] openat(AT_FDCWD, "./81/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... openat resumed>) = 4 [pid 5069] getdents64(4, [pid 5070] fstat(4, [pid 5069] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(4, [pid 5070] getdents64(4, [pid 5069] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5070] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5069] close(4 [pid 5575] memfd_create("syzkaller", 0 [pid 5070] getdents64(4, [pid 5069] <... close resumed>) = 0 [pid 5575] <... memfd_create resumed>) = 3 [pid 5070] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5069] rmdir("./80/file0" [pid 5575] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5572] <... write resumed>) = 2097152 [pid 5070] close(4 [pid 5069] <... rmdir resumed>) = 0 [pid 5575] <... mmap resumed>) = 0x7fdf55e96000 [pid 5070] <... close resumed>) = 0 [pid 5069] getdents64(3, [pid 5070] rmdir("./81/file0" [pid 5069] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] close(3 [pid 5070] getdents64(3, [pid 5069] <... close resumed>) = 0 [pid 5070] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5069] rmdir("./80" [pid 5070] close(3 [pid 5069] <... rmdir resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5069] mkdir("./81", 0777 [pid 5572] munmap(0x7fdf55e96000, 2097152 [pid 5070] rmdir("./81" [pid 5069] <... mkdir resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5070] mkdir("./82", 0777 [pid 5069] <... openat resumed>) = 3 [pid 5070] <... mkdir resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5574] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5572] <... munmap resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5069] close(3 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] <... close resumed>) = 0 [pid 5572] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5572] <... openat resumed>) = 4 [pid 5070] close(3 [pid 5572] ioctl(4, LOOP_SET_FD, 3 [pid 5070] <... close resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5576 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555657a5d0) = 5577 ./strace-static-x86_64: Process 5576 attached [pid 5576] chdir("./81") = 0 ./strace-static-x86_64: Process 5577 attached [pid 5576] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5572] <... ioctl resumed>) = 0 [pid 5577] chdir("./82" [pid 5576] <... prctl resumed>) = 0 [pid 5577] <... chdir resumed>) = 0 [pid 5576] setpgid(0, 0 [pid 5573] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5577] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5576] <... setpgid resumed>) = 0 [pid 5577] <... prctl resumed>) = 0 [pid 5576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5577] setpgid(0, 0 [pid 5576] <... openat resumed>) = 3 [pid 5572] close(3 [pid 5577] <... setpgid resumed>) = 0 [pid 5576] write(3, "1000", 4 [pid 5572] <... close resumed>) = 0 [pid 5577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5576] <... write resumed>) = 4 [pid 5572] mkdir("./file0", 0777 [pid 5577] <... openat resumed>) = 3 [pid 5576] close(3 [pid 5577] write(3, "1000", 4 [pid 5576] <... close resumed>) = 0 [pid 5572] <... mkdir resumed>) = 0 [pid 5577] <... write resumed>) = 4 [pid 5576] symlink("/dev/binderfs", "./binderfs" [pid 5572] mount("/dev/loop0", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [ 102.639826][ T5572] loop0: detected capacity change from 0 to 4096 [pid 5577] close(3 [pid 5576] <... symlink resumed>) = 0 [pid 5577] <... close resumed>) = 0 [pid 5576] memfd_create("syzkaller", 0 [pid 5577] symlink("/dev/binderfs", "./binderfs" [pid 5576] <... memfd_create resumed>) = 3 [pid 5577] <... symlink resumed>) = 0 [pid 5576] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5577] memfd_create("syzkaller", 0 [pid 5576] <... mmap resumed>) = 0x7fdf55e96000 [pid 5577] <... memfd_create resumed>) = 3 [pid 5575] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5577] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5574] <... write resumed>) = 2097152 [pid 5572] <... mount resumed>) = 0 [pid 5577] <... mmap resumed>) = 0x7fdf55e96000 [pid 5572] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5574] munmap(0x7fdf55e96000, 2097152 [pid 5572] <... openat resumed>) = 3 [pid 5572] chdir("./file0") = 0 [pid 5572] ioctl(4, LOOP_CLR_FD) = 0 [pid 5572] close(4) = 0 [pid 5572] exit_group(0 [pid 5574] <... munmap resumed>) = 0 [pid 5572] <... exit_group resumed>) = ? [pid 5572] +++ exited with 0 +++ [pid 5574] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5572, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=4 /* 0.04 s */} --- [pid 5574] <... openat resumed>) = 4 [ 102.687224][ T5572] ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 5575] <... write resumed>) = 2097152 [pid 5574] ioctl(4, LOOP_SET_FD, 3 [pid 5573] <... write resumed>) = 2097152 [pid 5067] <... restart_syscall resumed>) = 0 [pid 5575] munmap(0x7fdf55e96000, 2097152 [pid 5573] munmap(0x7fdf55e96000, 2097152) = 0 [pid 5067] umount2("./79", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5573] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5575] <... munmap resumed>) = 0 [pid 5574] <... ioctl resumed>) = 0 [pid 5573] <... openat resumed>) = 4 [pid 5067] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5575] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5574] close(3 [pid 5573] ioctl(4, LOOP_SET_FD, 3 [pid 5577] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5576] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5575] <... openat resumed>) = 4 [pid 5574] <... close resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5575] ioctl(4, LOOP_SET_FD, 3 [pid 5574] mkdir("./file0", 0777 [pid 5573] <... ioctl resumed>) = 0 [pid 5067] fstat(3, [pid 5575] <... ioctl resumed>) = 0 [pid 5574] <... mkdir resumed>) = 0 [pid 5573] close(3 [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5575] close(3 [pid 5574] mount("/dev/loop1", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5573] <... close resumed>) = 0 [pid 5067] getdents64(3, [pid 5575] <... close resumed>) = 0 [pid 5573] mkdir("./file0", 0777 [pid 5067] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5575] mkdir("./file0", 0777 [pid 5573] <... mkdir resumed>) = 0 [pid 5067] umount2("./79/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5575] <... mkdir resumed>) = 0 [pid 5573] mount("/dev/loop4", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 102.756743][ T5574] loop1: detected capacity change from 0 to 4096 [ 102.776589][ T5573] loop4: detected capacity change from 0 to 4096 [ 102.787732][ T5575] loop5: detected capacity change from 0 to 4096 [ 102.796968][ T5574] ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) [pid 5577] <... write resumed>) = 2097152 [pid 5576] <... write resumed>) = 2097152 [pid 5575] mount("/dev/loop5", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5067] lstat("./79/binderfs", [pid 5577] munmap(0x7fdf55e96000, 2097152 [pid 5576] munmap(0x7fdf55e96000, 2097152 [pid 5574] <... mount resumed>) = 0 [pid 5067] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5067] unlink("./79/binderfs") = 0 [pid 5067] umount2("./79/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5576] <... munmap resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 5067] umount2("./79/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] lstat("./79/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] umount2("./79/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./79/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5067] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] getdents64(4, 0x555556583660 /* 2 entries */, 32768) = 48 [pid 5577] <... munmap resumed>) = 0 [pid 5576] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5067] getdents64(4, 0x555556583660 /* 0 entries */, 32768) = 0 [pid 5067] close(4) = 0 [pid 5067] rmdir("./79/file0" [pid 5577] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5576] <... openat resumed>) = 4 [pid 5067] <... rmdir resumed>) = 0 [pid 5574] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5577] <... openat resumed>) = 4 [ 102.811227][ T5573] ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512) [ 102.821630][ T5575] ntfs3: loop5: Different NTFS' sector size (1024) and media sector size (512) [pid 5576] ioctl(4, LOOP_SET_FD, 3 [pid 5067] getdents64(3, [pid 5577] ioctl(4, LOOP_SET_FD, 3 [pid 5574] <... openat resumed>) = 3 [pid 5577] <... ioctl resumed>) = 0 [pid 5575] <... mount resumed>) = 0 [pid 5574] chdir("./file0" [pid 5067] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5575] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5574] <... chdir resumed>) = 0 [pid 5575] <... openat resumed>) = 3 [pid 5574] ioctl(4, LOOP_CLR_FD [pid 5067] close(3 [pid 5574] <... ioctl resumed>) = 0 [pid 5574] close(4 [pid 5067] <... close resumed>) = 0 [pid 5575] chdir("./file0" [pid 5574] <... close resumed>) = 0 [pid 5574] exit_group(0) = ? [pid 5574] +++ exited with 0 +++ [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5574, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=7 /* 0.07 s */} --- [pid 5068] umount2("./80", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5068] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5577] close(3 [pid 5576] <... ioctl resumed>) = 0 [pid 5068] getdents64(3, [pid 5577] <... close resumed>) = 0 [pid 5576] close(3 [pid 5068] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5577] mkdir("./file0", 0777 [pid 5576] <... close resumed>) = 0 [pid 5068] umount2("./80/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] rmdir("./79" [pid 5577] <... mkdir resumed>) = 0 [pid 5576] mkdir("./file0", 0777 [pid 5575] <... chdir resumed>) = 0 [pid 5573] <... mount resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5577] mount("/dev/loop3", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5576] <... mkdir resumed>) = 0 [pid 5575] ioctl(4, LOOP_CLR_FD [pid 5573] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5068] lstat("./80/binderfs", [pid 5067] <... rmdir resumed>) = 0 [pid 5576] mount("/dev/loop2", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5575] <... ioctl resumed>) = 0 [pid 5573] <... openat resumed>) = 3 [pid 5068] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5067] mkdir("./80", 0777 [pid 5575] close(4 [pid 5573] chdir("./file0" [pid 5068] unlink("./80/binderfs" [pid 5067] <... mkdir resumed>) = 0 [pid 5575] <... close resumed>) = 0 [pid 5573] <... chdir resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5575] exit_group(0 [pid 5573] ioctl(4, LOOP_CLR_FD [pid 5067] <... openat resumed>) = 3 [pid 5575] <... exit_group resumed>) = ? [pid 5573] <... ioctl resumed>) = 0 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5575] +++ exited with 0 +++ [pid 5573] close(4 [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5573] <... close resumed>) = 0 [pid 5067] close(3 [pid 5573] exit_group(0 [pid 5067] <... close resumed>) = 0 [pid 5573] <... exit_group resumed>) = ? [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5573] +++ exited with 0 +++ [pid 5068] <... unlink resumed>) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5578 ./strace-static-x86_64: Process 5578 attached [ 102.861062][ T5576] loop2: detected capacity change from 0 to 4096 [ 102.868105][ T5577] loop3: detected capacity change from 0 to 4096 [ 102.896846][ T5576] ntfs3: loop2: Different NTFS' sector size (1024) and media sector size (512) [pid 5578] chdir("./80") = 0 [pid 5578] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5578] setpgid(0, 0) = 0 [pid 5578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5578] write(3, "1000", 4) = 4 [pid 5578] close(3 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5575, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=3 /* 0.03 s */} --- [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5573, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=7 /* 0.07 s */} --- [pid 5068] umount2("./80/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = 0 [pid 5072] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] umount2("./80/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... openat resumed>) = 3 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] fstat(3, [pid 5071] umount2("./82", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] lstat("./80/file0", [pid 5578] <... close resumed>) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5578] symlink("/dev/binderfs", "./binderfs" [pid 5072] getdents64(3, [pid 5071] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] umount2("./80/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5578] <... symlink resumed>) = 0 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5071] <... openat resumed>) = 3 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5578] memfd_create("syzkaller", 0 [pid 5577] <... mount resumed>) = 0 [pid 5576] <... mount resumed>) = 0 [pid 5072] umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] fstat(3, [pid 5068] openat(AT_FDCWD, "./80/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5578] <... memfd_create resumed>) = 3 [pid 5577] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5576] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5578] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5577] <... openat resumed>) = 3 [pid 5576] <... openat resumed>) = 3 [pid 5072] lstat("./83/binderfs", [ 102.907645][ T5577] ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) [pid 5071] getdents64(3, [pid 5068] fstat(4, [pid 5578] <... mmap resumed>) = 0x7fdf55e96000 [pid 5577] chdir("./file0" [pid 5576] chdir("./file0" [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5577] <... chdir resumed>) = 0 [pid 5576] <... chdir resumed>) = 0 [pid 5072] unlink("./83/binderfs" [pid 5071] umount2("./82/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] getdents64(4, [pid 5577] ioctl(4, LOOP_CLR_FD [pid 5576] ioctl(4, LOOP_CLR_FD [pid 5072] <... unlink resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5577] <... ioctl resumed>) = 0 [pid 5576] <... ioctl resumed>) = 0 [pid 5072] umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] lstat("./82/binderfs", [pid 5068] getdents64(4, [pid 5577] close(4 [pid 5576] close(4 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5577] <... close resumed>) = 0 [pid 5576] <... close resumed>) = 0 [pid 5071] unlink("./82/binderfs" [pid 5068] close(4 [pid 5577] exit_group(0 [pid 5576] exit_group(0 [pid 5071] <... unlink resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5577] <... exit_group resumed>) = ? [pid 5576] <... exit_group resumed>) = ? [pid 5071] umount2("./82/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] rmdir("./80/file0" [pid 5577] +++ exited with 0 +++ [pid 5576] +++ exited with 0 +++ [pid 5068] <... rmdir resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5577, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5576, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5068] getdents64(3, [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5068] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5069] <... restart_syscall resumed>) = 0 [pid 5068] close(3) = 0 [pid 5068] rmdir("./80" [pid 5070] umount2("./82", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./81", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... rmdir resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] mkdir("./81", 0777 [pid 5070] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... mkdir resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5069] <... openat resumed>) = 3 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5070] fstat(3, [pid 5069] fstat(3, [pid 5068] <... openat resumed>) = 3 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5070] getdents64(3, [pid 5069] getdents64(3, [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] <... umount2 resumed>) = 0 [pid 5070] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5069] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5068] close(3 [pid 5070] umount2("./82/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./81/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... close resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] lstat("./82/binderfs", [pid 5069] lstat("./81/binderfs", [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5579 [pid 5070] unlink("./82/binderfs" [pid 5069] unlink("./81/binderfs" [pid 5070] <... unlink resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 5070] umount2("./82/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./81/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5578] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5072] umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... umount2 resumed>) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 5579 attached [pid 5579] chdir("./81") = 0 [pid 5579] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5579] setpgid(0, 0) = 0 [pid 5579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5579] write(3, "1000", 4) = 4 [pid 5579] close(3) = 0 [pid 5579] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5579] memfd_create("syzkaller", 0 [pid 5070] umount2("./82/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./83/file0", [pid 5071] umount2("./82/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] lstat("./82/file0", [pid 5579] <... memfd_create resumed>) = 3 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] lstat("./82/file0", [pid 5069] umount2("./81/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5579] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] openat(AT_FDCWD, "./83/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] umount2("./82/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5579] <... mmap resumed>) = 0x7fdf55e96000 [pid 5072] <... openat resumed>) = 4 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./82/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] lstat("./81/file0", [pid 5072] fstat(4, [pid 5071] openat(AT_FDCWD, "./82/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... openat resumed>) = 4 [pid 5070] openat(AT_FDCWD, "./82/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] umount2("./81/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] getdents64(4, [pid 5071] fstat(4, [pid 5070] <... openat resumed>) = 4 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] fstat(4, [pid 5069] openat(AT_FDCWD, "./81/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] getdents64(4, [pid 5071] getdents64(4, [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... openat resumed>) = 4 [pid 5072] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5071] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, [pid 5069] fstat(4, [pid 5072] close(4 [pid 5071] getdents64(4, [pid 5070] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... close resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5070] getdents64(4, [pid 5069] getdents64(4, [pid 5072] rmdir("./83/file0" [pid 5071] close(4 [pid 5070] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5069] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5072] <... rmdir resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5070] close(4 [pid 5069] getdents64(4, [pid 5072] getdents64(3, [pid 5071] rmdir("./82/file0" [pid 5070] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5070] rmdir("./82/file0" [pid 5069] close(4 [pid 5072] close(3 [pid 5071] getdents64(3, [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5070] getdents64(3, [pid 5069] rmdir("./81/file0" [pid 5070] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5070] close(3 [pid 5069] getdents64(3, [pid 5070] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5072] <... close resumed>) = 0 [pid 5070] rmdir("./82" [pid 5069] close(3 [pid 5072] rmdir("./83" [pid 5071] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5071] close(3 [pid 5070] mkdir("./83", 0777 [pid 5069] rmdir("./81" [pid 5072] mkdir("./84", 0777 [pid 5071] <... close resumed>) = 0 [pid 5070] <... mkdir resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5072] <... mkdir resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5071] rmdir("./82" [pid 5069] mkdir("./82", 0777 [pid 5072] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5069] <... mkdir resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5071] mkdir("./83", 0777 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5071] <... mkdir resumed>) = 0 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] <... openat resumed>) = 3 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5070] close(3 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5578] <... write resumed>) = 2097152 [pid 5072] close(3 [pid 5071] <... openat resumed>) = 3 [pid 5070] <... close resumed>) = 0 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] close(3 [pid 5578] munmap(0x7fdf55e96000, 2097152 [pid 5072] <... close resumed>) = 0 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5069] <... close resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5580 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] close(3 [pid 5072] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5581 [pid 5071] <... close resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5582 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555657a5d0) = 5583 ./strace-static-x86_64: Process 5580 attached ./strace-static-x86_64: Process 5582 attached ./strace-static-x86_64: Process 5581 attached [pid 5580] chdir("./83"./strace-static-x86_64: Process 5583 attached [pid 5582] chdir("./82" [pid 5581] chdir("./84" [pid 5580] <... chdir resumed>) = 0 [pid 5578] <... munmap resumed>) = 0 [pid 5583] chdir("./83" [pid 5582] <... chdir resumed>) = 0 [pid 5581] <... chdir resumed>) = 0 [pid 5580] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5578] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5583] <... chdir resumed>) = 0 [pid 5582] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5581] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5580] <... prctl resumed>) = 0 [pid 5578] <... openat resumed>) = 4 [pid 5583] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5582] <... prctl resumed>) = 0 [pid 5581] <... prctl resumed>) = 0 [pid 5580] setpgid(0, 0 [pid 5583] <... prctl resumed>) = 0 [pid 5582] setpgid(0, 0 [pid 5581] setpgid(0, 0 [pid 5580] <... setpgid resumed>) = 0 [pid 5578] ioctl(4, LOOP_SET_FD, 3 [pid 5583] setpgid(0, 0 [pid 5582] <... setpgid resumed>) = 0 [pid 5581] <... setpgid resumed>) = 0 [pid 5580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5580] <... openat resumed>) = 3 [pid 5582] <... openat resumed>) = 3 [pid 5580] write(3, "1000", 4 [pid 5579] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5582] write(3, "1000", 4 [pid 5580] <... write resumed>) = 4 [pid 5583] <... setpgid resumed>) = 0 [pid 5582] <... write resumed>) = 4 [pid 5581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5580] close(3 [pid 5583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5582] close(3 [pid 5581] <... openat resumed>) = 3 [pid 5580] <... close resumed>) = 0 [pid 5583] <... openat resumed>) = 3 [pid 5582] <... close resumed>) = 0 [pid 5580] symlink("/dev/binderfs", "./binderfs" [pid 5583] write(3, "1000", 4 [pid 5582] symlink("/dev/binderfs", "./binderfs" [pid 5581] write(3, "1000", 4 [pid 5580] <... symlink resumed>) = 0 [pid 5583] <... write resumed>) = 4 [pid 5582] <... symlink resumed>) = 0 [pid 5581] <... write resumed>) = 4 [pid 5580] memfd_create("syzkaller", 0 [pid 5583] close(3 [pid 5582] memfd_create("syzkaller", 0 [pid 5581] close(3 [pid 5580] <... memfd_create resumed>) = 3 [pid 5578] <... ioctl resumed>) = 0 [pid 5583] <... close resumed>) = 0 [pid 5582] <... memfd_create resumed>) = 3 [pid 5581] <... close resumed>) = 0 [pid 5580] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5578] close(3 [pid 5583] symlink("/dev/binderfs", "./binderfs" [pid 5582] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5581] symlink("/dev/binderfs", "./binderfs" [pid 5580] <... mmap resumed>) = 0x7fdf55e96000 [pid 5578] <... close resumed>) = 0 [pid 5583] <... symlink resumed>) = 0 [pid 5582] <... mmap resumed>) = 0x7fdf55e96000 [pid 5581] <... symlink resumed>) = 0 [pid 5583] memfd_create("syzkaller", 0 [pid 5578] mkdir("./file0", 0777 [pid 5581] memfd_create("syzkaller", 0 [pid 5578] <... mkdir resumed>) = 0 [pid 5583] <... memfd_create resumed>) = 3 [pid 5583] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5581] <... memfd_create resumed>) = 3 [ 103.124620][ T5578] loop0: detected capacity change from 0 to 4096 [pid 5578] mount("/dev/loop0", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5583] <... mmap resumed>) = 0x7fdf55e96000 [pid 5581] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 [pid 5580] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5579] <... write resumed>) = 2097152 [pid 5579] munmap(0x7fdf55e96000, 2097152 [ 103.181756][ T5578] ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) [pid 5582] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5583] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5579] <... munmap resumed>) = 0 [pid 5579] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5579] ioctl(4, LOOP_SET_FD, 3 [pid 5578] <... mount resumed>) = 0 [pid 5581] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5578] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5578] chdir("./file0") = 0 [pid 5578] ioctl(4, LOOP_CLR_FD) = 0 [pid 5578] close(4) = 0 [pid 5578] exit_group(0) = ? [pid 5578] +++ exited with 0 +++ [pid 5579] <... ioctl resumed>) = 0 [pid 5579] close(3) = 0 [pid 5579] mkdir("./file0", 0777) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5578, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [ 103.253348][ T5579] loop1: detected capacity change from 0 to 4096 [pid 5579] mount("/dev/loop1", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5583] <... write resumed>) = 2097152 [pid 5583] munmap(0x7fdf55e96000, 2097152 [pid 5067] umount2("./80", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5581] <... write resumed>) = 2097152 [pid 5067] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5583] <... munmap resumed>) = 0 [pid 5581] munmap(0x7fdf55e96000, 2097152 [pid 5580] <... write resumed>) = 2097152 [pid 5583] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5067] <... openat resumed>) = 3 [pid 5583] <... openat resumed>) = 4 [pid 5580] munmap(0x7fdf55e96000, 2097152 [pid 5067] fstat(3, [pid 5583] ioctl(4, LOOP_SET_FD, 3 [pid 5581] <... munmap resumed>) = 0 [pid 5580] <... munmap resumed>) = 0 [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5582] <... write resumed>) = 2097152 [pid 5582] munmap(0x7fdf55e96000, 2097152 [pid 5067] getdents64(3, [pid 5581] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5580] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5583] <... ioctl resumed>) = 0 [pid 5581] <... openat resumed>) = 4 [pid 5580] <... openat resumed>) = 4 [pid 5067] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5583] close(3 [pid 5581] ioctl(4, LOOP_SET_FD, 3 [pid 5580] ioctl(4, LOOP_SET_FD, 3 [ 103.298909][ T5579] ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) [ 103.325303][ T5583] loop4: detected capacity change from 0 to 4096 [ 103.337955][ T5581] loop5: detected capacity change from 0 to 4096 [pid 5067] umount2("./80/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5583] <... close resumed>) = 0 [pid 5582] <... munmap resumed>) = 0 [pid 5581] <... ioctl resumed>) = 0 [pid 5579] <... mount resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5580] <... ioctl resumed>) = 0 [pid 5583] mkdir("./file0", 0777 [pid 5582] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5581] close(3 [pid 5580] close(3 [pid 5579] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5067] lstat("./80/binderfs", [pid 5583] <... mkdir resumed>) = 0 [pid 5583] mount("/dev/loop4", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5582] <... openat resumed>) = 4 [pid 5581] <... close resumed>) = 0 [pid 5580] <... close resumed>) = 0 [pid 5067] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5579] <... openat resumed>) = 3 [pid 5582] ioctl(4, LOOP_SET_FD, 3 [pid 5581] mkdir("./file0", 0777 [pid 5067] unlink("./80/binderfs" [pid 5581] <... mkdir resumed>) = 0 [pid 5580] mkdir("./file0", 0777 [pid 5579] chdir("./file0" [pid 5580] <... mkdir resumed>) = 0 [pid 5579] <... chdir resumed>) = 0 [pid 5579] ioctl(4, LOOP_CLR_FD) = 0 [pid 5579] close(4) = 0 [pid 5579] exit_group(0 [pid 5580] mount("/dev/loop3", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5579] <... exit_group resumed>) = ? [pid 5581] mount("/dev/loop5", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5067] <... unlink resumed>) = 0 [pid 5067] umount2("./80/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5582] <... ioctl resumed>) = 0 [pid 5582] close(3) = 0 [pid 5582] mkdir("./file0", 0777) = 0 [pid 5579] +++ exited with 0 +++ [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5579, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=6 /* 0.06 s */} --- [pid 5068] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5068] umount2("./81", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5068] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] getdents64(3, 0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5582] mount("/dev/loop2", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5068] umount2("./81/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 103.340300][ T5580] loop3: detected capacity change from 0 to 4096 [ 103.355230][ T5582] loop2: detected capacity change from 0 to 4096 [ 103.368188][ T5583] ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512) [ 103.378474][ T5581] ntfs3: loop5: Different NTFS' sector size (1024) and media sector size (512) [ 103.379584][ T5580] ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) [pid 5068] lstat("./81/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] unlink("./81/binderfs") = 0 [pid 5068] umount2("./81/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = 0 [pid 5067] umount2("./80/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] lstat("./80/file0", [pid 5581] <... mount resumed>) = 0 [pid 5581] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5067] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5581] <... openat resumed>) = 3 [pid 5067] umount2("./80/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5583] <... mount resumed>) = 0 [pid 5581] chdir("./file0" [pid 5583] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5068] <... umount2 resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5583] <... openat resumed>) = 3 [pid 5581] <... chdir resumed>) = 0 [pid 5583] chdir("./file0" [pid 5581] ioctl(4, LOOP_CLR_FD [pid 5068] umount2("./81/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 103.409643][ T5582] ntfs3: loop2: Different NTFS' sector size (1024) and media sector size (512) [pid 5067] openat(AT_FDCWD, "./80/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5583] <... chdir resumed>) = 0 [pid 5581] <... ioctl resumed>) = 0 [pid 5580] <... mount resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... openat resumed>) = 4 [pid 5583] ioctl(4, LOOP_CLR_FD [pid 5581] close(4 [pid 5580] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5068] lstat("./81/file0", [pid 5067] fstat(4, [pid 5583] <... ioctl resumed>) = 0 [pid 5581] <... close resumed>) = 0 [pid 5580] <... openat resumed>) = 3 [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5583] close(4 [pid 5581] exit_group(0 [pid 5580] chdir("./file0" [pid 5067] getdents64(4, [pid 5583] <... close resumed>) = 0 [pid 5581] <... exit_group resumed>) = ? [pid 5580] <... chdir resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5583] exit_group(0 [pid 5581] +++ exited with 0 +++ [pid 5580] ioctl(4, LOOP_CLR_FD [pid 5067] getdents64(4, [pid 5583] <... exit_group resumed>) = ? [pid 5580] <... ioctl resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5583] +++ exited with 0 +++ [pid 5580] close(4 [pid 5068] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] close(4 [pid 5580] <... close resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5581, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5583, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5068] umount2("./81/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... close resumed>) = 0 [pid 5580] exit_group(0 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] rmdir("./80/file0" [pid 5582] <... mount resumed>) = 0 [pid 5580] <... exit_group resumed>) = ? [pid 5072] <... restart_syscall resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./81/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... rmdir resumed>) = 0 [pid 5582] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5580] +++ exited with 0 +++ [pid 5071] umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... openat resumed>) = 4 [pid 5067] getdents64(3, [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5580, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5068] fstat(4, [pid 5067] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5072] umount2("./84", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] close(3 [pid 5582] <... openat resumed>) = 3 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... openat resumed>) = 3 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5068] getdents64(4, [pid 5067] <... close resumed>) = 0 [pid 5582] chdir("./file0" [pid 5072] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] fstat(3, [pid 5068] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5067] rmdir("./80" [pid 5582] <... chdir resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] getdents64(4, [pid 5067] <... rmdir resumed>) = 0 [pid 5582] ioctl(4, LOOP_CLR_FD [pid 5072] fstat(3, [pid 5071] getdents64(3, [pid 5070] umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5067] mkdir("./81", 0777 [pid 5582] <... ioctl resumed>) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] close(4 [pid 5067] <... mkdir resumed>) = 0 [pid 5582] close(4 [pid 5072] getdents64(3, [pid 5071] umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... close resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5582] <... close resumed>) = 0 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... openat resumed>) = 3 [pid 5068] rmdir("./81/file0" [pid 5067] <... openat resumed>) = 3 [pid 5071] lstat("./83/binderfs", [pid 5067] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5067] close(3 [pid 5068] <... rmdir resumed>) = 0 [pid 5582] exit_group(0 [pid 5067] <... close resumed>) = 0 [pid 5072] umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] fstat(3, [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5582] <... exit_group resumed>) = ? [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] unlink("./83/binderfs" [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] getdents64(3, [pid 5072] lstat("./84/binderfs", [pid 5067] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5584 ./strace-static-x86_64: Process 5584 attached [pid 5071] <... unlink resumed>) = 0 [pid 5070] getdents64(3, [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5584] chdir("./81" [pid 5072] unlink("./84/binderfs" [pid 5071] umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5068] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5072] <... unlink resumed>) = 0 [pid 5070] umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] close(3 [pid 5072] umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... close resumed>) = 0 [pid 5584] <... chdir resumed>) = 0 [pid 5584] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5584] setpgid(0, 0) = 0 [pid 5584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5584] write(3, "1000", 4) = 4 [pid 5584] close(3) = 0 [pid 5584] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5584] memfd_create("syzkaller", 0) = 3 [pid 5584] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 [pid 5070] lstat("./83/binderfs", [pid 5068] rmdir("./81" [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5070] unlink("./83/binderfs" [pid 5068] mkdir("./82", 0777 [pid 5070] <... unlink resumed>) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 5070] umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5068] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5068] close(3 [pid 5582] +++ exited with 0 +++ [pid 5068] <... close resumed>) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5582, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=6 /* 0.06 s */} --- [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] umount2("./82", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5585 [pid 5069] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5069] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(3, 0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./82/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./82/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] unlink("./82/binderfs") = 0 [pid 5069] umount2("./82/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 5585 attached [pid 5585] chdir("./82") = 0 [pid 5585] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5585] setpgid(0, 0) = 0 [pid 5585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5585] write(3, "1000", 4) = 4 [pid 5072] umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5585] close(3) = 0 [pid 5585] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5071] umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./83/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./83/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] fstat(4, [pid 5585] memfd_create("syzkaller", 0 [pid 5072] lstat("./84/file0", [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5585] <... memfd_create resumed>) = 3 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(4, [pid 5585] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5585] <... mmap resumed>) = 0x7fdf55e96000 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] getdents64(4, [pid 5072] openat(AT_FDCWD, "./84/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5072] <... openat resumed>) = 4 [pid 5071] close(4 [pid 5072] fstat(4, [pid 5071] <... close resumed>) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] rmdir("./83/file0" [pid 5072] getdents64(4, [pid 5071] <... rmdir resumed>) = 0 [pid 5070] umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(3, [pid 5072] getdents64(4, [pid 5071] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5072] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5071] close(3 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] close(4 [pid 5071] <... close resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 5071] rmdir("./83" [pid 5072] rmdir("./84/file0" [pid 5071] <... rmdir resumed>) = 0 [pid 5070] lstat("./83/file0", [pid 5071] mkdir("./84", 0777 [pid 5072] <... rmdir resumed>) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5072] getdents64(3, [pid 5071] <... openat resumed>) = 3 [pid 5070] umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5071] close(3) = 0 [pid 5072] close(3 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] <... close resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5586 [pid 5069] <... umount2 resumed>) = 0 [pid 5069] umount2("./82/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] rmdir("./84" [pid 5070] openat(AT_FDCWD, "./83/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... rmdir resumed>) = 0 [pid 5070] <... openat resumed>) = 4 [pid 5069] lstat("./82/file0", [pid 5072] mkdir("./85", 0777 [pid 5070] fstat(4, [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... mkdir resumed>) = 0 [pid 5069] umount2("./82/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5586 attached ) = -1 EINVAL (Invalid argument) [pid 5586] chdir("./84" [pid 5072] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] openat(AT_FDCWD, "./82/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5586] <... chdir resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5070] getdents64(4, [pid 5069] <... openat resumed>) = 4 [pid 5586] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5070] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5069] fstat(4, [pid 5586] <... prctl resumed>) = 0 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] getdents64(4, [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5586] setpgid(0, 0 [pid 5584] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5072] close(3 [pid 5070] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5069] getdents64(4, [pid 5586] <... setpgid resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 5070] close(4 [pid 5069] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] getdents64(4, [pid 5586] <... openat resumed>) = 3 [pid 5069] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5586] write(3, "1000", 4 [pid 5069] close(4 [pid 5586] <... write resumed>) = 4 [pid 5069] <... close resumed>) = 0 [pid 5586] close(3 [pid 5069] rmdir("./82/file0" [pid 5586] <... close resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5586] symlink("/dev/binderfs", "./binderfs" [pid 5069] getdents64(3, [pid 5586] <... symlink resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5586] memfd_create("syzkaller", 0 [pid 5070] rmdir("./83/file0" [pid 5069] close(3 [pid 5586] <... memfd_create resumed>) = 3 [pid 5072] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5587 [pid 5069] <... close resumed>) = 0 [pid 5586] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] rmdir("./82"./strace-static-x86_64: Process 5587 attached [pid 5586] <... mmap resumed>) = 0x7fdf55e96000 [pid 5070] getdents64(3, [pid 5069] <... rmdir resumed>) = 0 [pid 5587] chdir("./85" [pid 5069] mkdir("./83", 0777 [pid 5587] <... chdir resumed>) = 0 [pid 5070] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5587] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] close(3 [pid 5069] <... openat resumed>) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5587] <... prctl resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5587] setpgid(0, 0 [pid 5070] rmdir("./83" [pid 5069] close(3 [pid 5587] <... setpgid resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5588 [pid 5587] <... openat resumed>) = 3 [pid 5070] mkdir("./84", 0777 [pid 5587] write(3, "1000", 4 [pid 5070] <... mkdir resumed>) = 0 [pid 5587] <... write resumed>) = 4 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5587] close(3 [pid 5070] <... openat resumed>) = 3 [pid 5587] <... close resumed>) = 0 [pid 5587] symlink("/dev/binderfs", "./binderfs" [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5587] <... symlink resumed>) = 0 [pid 5585] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 5588 attached [pid 5587] memfd_create("syzkaller", 0 [pid 5070] close(3 [pid 5588] chdir("./83") = 0 [pid 5587] <... memfd_create resumed>) = 3 [pid 5070] <... close resumed>) = 0 [pid 5588] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5587] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5588] <... prctl resumed>) = 0 [pid 5587] <... mmap resumed>) = 0x7fdf55e96000 [pid 5588] setpgid(0, 0 [pid 5584] <... write resumed>) = 2097152 [pid 5588] <... setpgid resumed>) = 0 [pid 5588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5589 [pid 5588] <... openat resumed>) = 3 [pid 5588] write(3, "1000", 4) = 4 [pid 5588] close(3) = 0 ./strace-static-x86_64: Process 5589 attached [pid 5588] symlink("/dev/binderfs", "./binderfs" [pid 5589] chdir("./84" [pid 5588] <... symlink resumed>) = 0 [pid 5584] munmap(0x7fdf55e96000, 2097152 [pid 5588] memfd_create("syzkaller", 0 [pid 5589] <... chdir resumed>) = 0 [pid 5588] <... memfd_create resumed>) = 3 [pid 5589] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5588] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5586] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5589] <... prctl resumed>) = 0 [pid 5588] <... mmap resumed>) = 0x7fdf55e96000 [pid 5584] <... munmap resumed>) = 0 [pid 5584] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5584] ioctl(4, LOOP_SET_FD, 3 [pid 5589] setpgid(0, 0) = 0 [pid 5589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5589] write(3, "1000", 4) = 4 [pid 5589] close(3) = 0 [pid 5589] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5589] memfd_create("syzkaller", 0) = 3 [pid 5585] <... write resumed>) = 2097152 [pid 5589] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5585] munmap(0x7fdf55e96000, 2097152 [pid 5589] <... mmap resumed>) = 0x7fdf55e96000 [pid 5585] <... munmap resumed>) = 0 [pid 5584] <... ioctl resumed>) = 0 [pid 5584] close(3) = 0 [pid 5584] mkdir("./file0", 0777) = 0 [ 103.694003][ T5584] loop0: detected capacity change from 0 to 4096 [pid 5584] mount("/dev/loop0", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5587] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5585] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5585] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5586] <... write resumed>) = 2097152 [pid 5585] close(3) = 0 [pid 5585] mkdir("./file0", 0777) = 0 [pid 5585] mount("/dev/loop1", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [ 103.734706][ T5584] ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) [ 103.746755][ T5585] loop1: detected capacity change from 0 to 4096 [pid 5586] munmap(0x7fdf55e96000, 2097152) = 0 [pid 5588] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5586] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5586] ioctl(4, LOOP_SET_FD, 3 [pid 5589] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5586] <... ioctl resumed>) = 0 [pid 5586] close(3) = 0 [pid 5586] mkdir("./file0", 0777) = 0 [pid 5586] mount("/dev/loop4", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5584] <... mount resumed>) = 0 [pid 5584] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 103.777407][ T5585] ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) [ 103.796199][ T5586] loop4: detected capacity change from 0 to 4096 [pid 5584] chdir("./file0") = 0 [pid 5584] ioctl(4, LOOP_CLR_FD) = 0 [pid 5584] close(4) = 0 [pid 5584] exit_group(0) = ? [pid 5584] +++ exited with 0 +++ [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5584, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=6 /* 0.06 s */} --- [pid 5067] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5067] umount2("./81", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5067] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] getdents64(3, 0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5067] umount2("./81/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5587] <... write resumed>) = 2097152 [pid 5067] lstat("./81/binderfs", [pid 5585] <... mount resumed>) = 0 [pid 5067] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5585] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5067] unlink("./81/binderfs" [pid 5585] <... openat resumed>) = 3 [pid 5067] <... unlink resumed>) = 0 [pid 5585] chdir("./file0" [pid 5067] umount2("./81/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5585] <... chdir resumed>) = 0 [pid 5585] ioctl(4, LOOP_CLR_FD) = 0 [pid 5585] close(4) = 0 [pid 5585] exit_group(0) = ? [pid 5587] munmap(0x7fdf55e96000, 2097152 [pid 5585] +++ exited with 0 +++ [pid 5587] <... munmap resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5585, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5587] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5068] umount2("./82", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5587] <... openat resumed>) = 4 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5587] ioctl(4, LOOP_SET_FD, 3 [ 103.848075][ T5586] ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512) [pid 5068] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5068] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] getdents64(3, 0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5068] umount2("./82/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5588] <... write resumed>) = 2097152 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5589] <... write resumed>) = 2097152 [pid 5588] munmap(0x7fdf55e96000, 2097152 [pid 5587] <... ioctl resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 5068] lstat("./82/binderfs", [pid 5067] umount2("./81/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5067] lstat("./81/file0", [pid 5068] unlink("./82/binderfs" [pid 5067] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5588] <... munmap resumed>) = 0 [pid 5587] close(3 [pid 5067] umount2("./81/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5588] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5587] <... close resumed>) = 0 [pid 5068] <... unlink resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5588] <... openat resumed>) = 4 [pid 5587] mkdir("./file0", 0777 [pid 5068] umount2("./82/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] openat(AT_FDCWD, "./81/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5588] ioctl(4, LOOP_SET_FD, 3 [pid 5587] <... mkdir resumed>) = 0 [pid 5067] <... openat resumed>) = 4 [pid 5067] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] getdents64(4, 0x555556583660 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(4, [pid 5589] munmap(0x7fdf55e96000, 2097152 [pid 5588] <... ioctl resumed>) = 0 [ 103.906842][ T5587] loop5: detected capacity change from 0 to 4096 [ 103.937559][ T5588] loop2: detected capacity change from 0 to 4096 [pid 5587] mount("/dev/loop5", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5586] <... mount resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 5589] <... munmap resumed>) = 0 [pid 5588] close(3 [pid 5586] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5068] umount2("./82/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5588] <... close resumed>) = 0 [pid 5586] <... openat resumed>) = 3 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] close(4 [pid 5588] mkdir("./file0", 0777 [pid 5586] chdir("./file0" [pid 5068] lstat("./82/file0", [pid 5067] <... close resumed>) = 0 [pid 5589] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5588] <... mkdir resumed>) = 0 [pid 5586] <... chdir resumed>) = 0 [pid 5068] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5589] <... openat resumed>) = 4 [pid 5588] mount("/dev/loop2", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5586] ioctl(4, LOOP_CLR_FD [pid 5068] umount2("./82/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] rmdir("./81/file0" [pid 5589] ioctl(4, LOOP_SET_FD, 3 [pid 5586] <... ioctl resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5586] close(4 [pid 5068] openat(AT_FDCWD, "./82/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... rmdir resumed>) = 0 [pid 5586] <... close resumed>) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5068] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] getdents64(4, 0x555556583660 /* 2 entries */, 32768) = 48 [pid 5068] getdents64(4, 0x555556583660 /* 0 entries */, 32768) = 0 [pid 5068] close(4) = 0 [pid 5068] rmdir("./82/file0") = 0 [pid 5068] getdents64(3, 0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5068] close(3) = 0 [pid 5586] exit_group(0 [pid 5068] rmdir("./82" [pid 5067] getdents64(3, [pid 5586] <... exit_group resumed>) = ? [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5068] mkdir("./83", 0777 [pid 5586] +++ exited with 0 +++ [pid 5068] <... mkdir resumed>) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5067] close(3 [pid 5068] <... openat resumed>) = 3 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5589] <... ioctl resumed>) = 0 [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5589] close(3 [pid 5068] close(3 [pid 5589] <... close resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5589] mkdir("./file0", 0777 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5586, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... close resumed>) = 0 [pid 5589] <... mkdir resumed>) = 0 [ 103.955790][ T5587] ntfs3: loop5: Different NTFS' sector size (1024) and media sector size (512) [ 103.977777][ T5588] ntfs3: loop2: Different NTFS' sector size (1024) and media sector size (512) [ 103.989485][ T5589] loop3: detected capacity change from 0 to 4096 [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 5067] rmdir("./81" [pid 5589] mount("/dev/loop3", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5071] <... restart_syscall resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5590 ./strace-static-x86_64: Process 5590 attached [pid 5587] <... mount resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5590] chdir("./83" [pid 5587] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5067] mkdir("./82", 0777 [pid 5590] <... chdir resumed>) = 0 [pid 5587] <... openat resumed>) = 3 [pid 5071] umount2("./84", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... mkdir resumed>) = 0 [pid 5590] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5587] chdir("./file0" [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5590] <... prctl resumed>) = 0 [pid 5587] <... chdir resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5590] setpgid(0, 0 [pid 5587] ioctl(4, LOOP_CLR_FD [pid 5071] <... openat resumed>) = 3 [pid 5067] <... openat resumed>) = 3 [pid 5590] <... setpgid resumed>) = 0 [pid 5587] <... ioctl resumed>) = 0 [pid 5071] fstat(3, [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5590] <... openat resumed>) = 3 [pid 5588] <... mount resumed>) = 0 [pid 5587] close(4 [pid 5071] getdents64(3, [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5590] write(3, "1000", 4 [pid 5587] <... close resumed>) = 0 [pid 5588] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5588] chdir("./file0") = 0 [pid 5071] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5067] close(3 [pid 5590] <... write resumed>) = 4 [pid 5588] ioctl(4, LOOP_CLR_FD [pid 5587] exit_group(0 [pid 5071] umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5590] close(3 [pid 5588] <... ioctl resumed>) = 0 [pid 5587] <... exit_group resumed>) = ? [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... close resumed>) = 0 [pid 5590] <... close resumed>) = 0 [pid 5588] close(4) = 0 [pid 5588] exit_group(0 [pid 5587] +++ exited with 0 +++ [pid 5590] symlink("/dev/binderfs", "./binderfs" [pid 5071] lstat("./84/binderfs", [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5590] <... symlink resumed>) = 0 [pid 5588] <... exit_group resumed>) = ? [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5587, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5590] memfd_create("syzkaller", 0 [pid 5588] +++ exited with 0 +++ [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5590] <... memfd_create resumed>) = 3 [pid 5071] unlink("./84/binderfs" [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5588, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5590] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... unlink resumed>) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5591 [pid 5590] <... mmap resumed>) = 0x7fdf55e96000 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5591 attached ) = 3 [pid 5069] umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5591] chdir("./82" [pid 5072] fstat(3, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5591] <... chdir resumed>) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5591] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] getdents64(3, [pid 5591] <... prctl resumed>) = 0 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5591] setpgid(0, 0 [pid 5072] umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5591] <... setpgid resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] lstat("./85/binderfs", [pid 5591] <... openat resumed>) = 3 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5591] write(3, "1000", 4 [pid 5072] unlink("./85/binderfs" [pid 5069] fstat(3, [pid 5591] <... write resumed>) = 4 [pid 5072] <... unlink resumed>) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5591] close(3 [ 104.031273][ T5589] ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) [pid 5072] umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] getdents64(3, [pid 5591] <... close resumed>) = 0 [pid 5589] <... mount resumed>) = 0 [pid 5072] <... umount2 resumed>) = 0 [pid 5069] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5591] symlink("/dev/binderfs", "./binderfs" [pid 5069] umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5591] <... symlink resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5591] memfd_create("syzkaller", 0 [pid 5589] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5069] lstat("./83/binderfs", [pid 5591] <... memfd_create resumed>) = 3 [pid 5589] <... openat resumed>) = 3 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5591] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5589] chdir("./file0" [pid 5069] unlink("./83/binderfs" [pid 5591] <... mmap resumed>) = 0x7fdf55e96000 [pid 5589] <... chdir resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5069] umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5589] ioctl(4, LOOP_CLR_FD [pid 5071] umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5589] <... ioctl resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5589] close(4 [pid 5072] umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] lstat("./84/file0", [pid 5589] <... close resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5589] exit_group(0 [pid 5072] lstat("./85/file0", [pid 5071] umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5589] <... exit_group resumed>) = ? [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./85/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5589] +++ exited with 0 +++ [pid 5072] <... openat resumed>) = 4 [pid 5071] openat(AT_FDCWD, "./84/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] fstat(4, [pid 5071] <... openat resumed>) = 4 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5589, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5069] <... umount2 resumed>) = 0 [pid 5590] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] fstat(4, [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5072] getdents64(4, [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, [pid 5072] getdents64(4, [pid 5071] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5069] umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5071] getdents64(4, [pid 5070] umount2("./84", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] close(4 [pid 5071] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./83/file0", [pid 5072] <... close resumed>) = 0 [pid 5071] close(4 [pid 5070] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] rmdir("./85/file0" [pid 5071] <... close resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5069] umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... rmdir resumed>) = 0 [pid 5071] rmdir("./84/file0" [pid 5070] fstat(3, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] getdents64(3, [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] openat(AT_FDCWD, "./83/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5070] getdents64(3, [pid 5069] <... openat resumed>) = 4 [pid 5072] close(3 [pid 5071] getdents64(3, [pid 5070] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5069] fstat(4, [pid 5072] <... close resumed>) = 0 [pid 5071] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5070] umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] rmdir("./85" [pid 5071] close(3 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] getdents64(4, [pid 5072] <... rmdir resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5070] lstat("./84/binderfs", [pid 5069] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5072] mkdir("./86", 0777 [pid 5071] rmdir("./84" [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] getdents64(4, [pid 5072] <... mkdir resumed>) = 0 [pid 5070] unlink("./84/binderfs" [pid 5069] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... unlink resumed>) = 0 [pid 5069] close(4 [pid 5072] <... openat resumed>) = 3 [pid 5071] mkdir("./85", 0777 [pid 5070] umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... close resumed>) = 0 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5069] rmdir("./83/file0" [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] <... mkdir resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5072] close(3 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5069] getdents64(3, [pid 5072] <... close resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5069] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5069] close(3 [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] <... close resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5592 [pid 5071] close(3 [pid 5069] rmdir("./83" [pid 5071] <... close resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... umount2 resumed>) = 0 [pid 5069] mkdir("./84", 0777) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5071] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5593 [pid 5069] <... openat resumed>) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] close(3) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5593 attached ./strace-static-x86_64: Process 5592 attached [pid 5593] chdir("./85" [pid 5592] chdir("./86" [pid 5069] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5594 [pid 5593] <... chdir resumed>) = 0 [pid 5592] <... chdir resumed>) = 0 [pid 5591] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5070] umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5592] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5593] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5592] <... prctl resumed>) = 0 [pid 5070] lstat("./84/file0", [pid 5592] setpgid(0, 0 [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5594 attached [pid 5593] <... prctl resumed>) = 0 [pid 5592] <... setpgid resumed>) = 0 [pid 5070] umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5594] chdir("./84" [pid 5593] setpgid(0, 0 [pid 5592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5591] <... write resumed>) = 2097152 [pid 5590] <... write resumed>) = 2097152 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5594] <... chdir resumed>) = 0 [pid 5592] <... openat resumed>) = 3 [pid 5070] openat(AT_FDCWD, "./84/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5594] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5593] <... setpgid resumed>) = 0 [pid 5592] write(3, "1000", 4 [pid 5590] munmap(0x7fdf55e96000, 2097152 [pid 5070] <... openat resumed>) = 4 [pid 5594] <... prctl resumed>) = 0 [pid 5592] <... write resumed>) = 4 [pid 5070] fstat(4, [pid 5594] setpgid(0, 0 [pid 5592] close(3 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5594] <... setpgid resumed>) = 0 [pid 5593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5592] <... close resumed>) = 0 [pid 5070] getdents64(4, [pid 5594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5592] symlink("/dev/binderfs", "./binderfs" [pid 5070] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5594] <... openat resumed>) = 3 [pid 5592] <... symlink resumed>) = 0 [pid 5070] getdents64(4, [pid 5594] write(3, "1000", 4 [pid 5593] <... openat resumed>) = 3 [pid 5592] memfd_create("syzkaller", 0 [pid 5590] <... munmap resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5594] <... write resumed>) = 4 [pid 5592] <... memfd_create resumed>) = 3 [pid 5070] close(4 [pid 5594] close(3 [pid 5592] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5070] <... close resumed>) = 0 [pid 5594] <... close resumed>) = 0 [pid 5592] <... mmap resumed>) = 0x7fdf55e96000 [pid 5070] rmdir("./84/file0" [pid 5594] symlink("/dev/binderfs", "./binderfs" [pid 5593] write(3, "1000", 4 [pid 5590] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5070] <... rmdir resumed>) = 0 [pid 5594] <... symlink resumed>) = 0 [pid 5593] <... write resumed>) = 4 [pid 5590] <... openat resumed>) = 4 [pid 5070] getdents64(3, [pid 5594] memfd_create("syzkaller", 0 [pid 5070] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5594] <... memfd_create resumed>) = 3 [pid 5593] close(3 [pid 5590] ioctl(4, LOOP_SET_FD, 3 [pid 5070] close(3 [pid 5594] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5593] <... close resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5594] <... mmap resumed>) = 0x7fdf55e96000 [pid 5070] rmdir("./84" [pid 5593] symlink("/dev/binderfs", "./binderfs" [pid 5070] <... rmdir resumed>) = 0 [pid 5593] <... symlink resumed>) = 0 [pid 5070] mkdir("./85", 0777) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5593] memfd_create("syzkaller", 0 [pid 5070] <... openat resumed>) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5593] <... memfd_create resumed>) = 3 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] close(3) = 0 [pid 5593] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5590] <... ioctl resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5593] <... mmap resumed>) = 0x7fdf55e96000 [pid 5590] close(3 [pid 5070] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5595 ./strace-static-x86_64: Process 5595 attached [pid 5595] chdir("./85") = 0 [pid 5595] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5590] <... close resumed>) = 0 [pid 5595] setpgid(0, 0 [pid 5591] munmap(0x7fdf55e96000, 2097152 [pid 5595] <... setpgid resumed>) = 0 [pid 5595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5590] mkdir("./file0", 0777 [pid 5595] <... openat resumed>) = 3 [pid 5591] <... munmap resumed>) = 0 [pid 5595] write(3, "1000", 4) = 4 [pid 5595] close(3) = 0 [pid 5595] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5595] memfd_create("syzkaller", 0 [pid 5590] <... mkdir resumed>) = 0 [pid 5595] <... memfd_create resumed>) = 3 [ 104.232427][ T5590] loop1: detected capacity change from 0 to 4096 [pid 5590] mount("/dev/loop1", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5595] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5594] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5591] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5595] <... mmap resumed>) = 0x7fdf55e96000 [pid 5591] <... openat resumed>) = 4 [pid 5591] ioctl(4, LOOP_SET_FD, 3 [pid 5592] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [ 104.283267][ T5590] ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) [ 104.293317][ T5591] loop0: detected capacity change from 0 to 4096 [pid 5593] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5591] <... ioctl resumed>) = 0 [pid 5591] close(3) = 0 [pid 5591] mkdir("./file0", 0777) = 0 [pid 5591] mount("/dev/loop0", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5590] <... mount resumed>) = 0 [pid 5590] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5590] chdir("./file0") = 0 [pid 5590] ioctl(4, LOOP_CLR_FD) = 0 [pid 5590] close(4) = 0 [pid 5590] exit_group(0) = ? [pid 5590] +++ exited with 0 +++ [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5590, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5595] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5592] <... write resumed>) = 2097152 [pid 5068] <... restart_syscall resumed>) = 0 [pid 5592] munmap(0x7fdf55e96000, 2097152) = 0 [pid 5068] umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5594] <... write resumed>) = 2097152 [pid 5593] <... write resumed>) = 2097152 [pid 5592] openat(AT_FDCWD, "/dev/loop5", O_RDWR [ 104.351004][ T5591] ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) [pid 5594] munmap(0x7fdf55e96000, 2097152 [pid 5593] munmap(0x7fdf55e96000, 2097152 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5592] <... openat resumed>) = 4 [pid 5595] <... write resumed>) = 2097152 [pid 5592] ioctl(4, LOOP_SET_FD, 3 [pid 5068] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5594] <... munmap resumed>) = 0 [pid 5593] <... munmap resumed>) = 0 [pid 5595] munmap(0x7fdf55e96000, 2097152 [pid 5592] <... ioctl resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5594] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5593] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5068] fstat(3, [pid 5594] <... openat resumed>) = 4 [pid 5593] <... openat resumed>) = 4 [pid 5592] close(3 [pid 5594] ioctl(4, LOOP_SET_FD, 3 [pid 5593] ioctl(4, LOOP_SET_FD, 3 [pid 5592] <... close resumed>) = 0 [pid 5591] <... mount resumed>) = 0 [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5595] <... munmap resumed>) = 0 [pid 5592] mkdir("./file0", 0777 [pid 5591] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5068] getdents64(3, [pid 5595] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5592] <... mkdir resumed>) = 0 [pid 5591] <... openat resumed>) = 3 [pid 5068] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5595] <... openat resumed>) = 4 [pid 5592] mount("/dev/loop5", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5591] chdir("./file0" [pid 5068] umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5595] ioctl(4, LOOP_SET_FD, 3 [pid 5591] <... chdir resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5594] <... ioctl resumed>) = 0 [pid 5593] <... ioctl resumed>) = 0 [pid 5591] ioctl(4, LOOP_CLR_FD [pid 5594] close(3 [pid 5593] close(3 [pid 5594] <... close resumed>) = 0 [pid 5593] <... close resumed>) = 0 [pid 5594] mkdir("./file0", 0777 [pid 5593] mkdir("./file0", 0777 [pid 5594] <... mkdir resumed>) = 0 [pid 5593] <... mkdir resumed>) = 0 [pid 5594] mount("/dev/loop2", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [ 104.413546][ T5592] loop5: detected capacity change from 0 to 4096 [ 104.428971][ T5593] loop4: detected capacity change from 0 to 4096 [ 104.432724][ T5595] loop3: detected capacity change from 0 to 4096 [ 104.436012][ T5594] loop2: detected capacity change from 0 to 4096 [ 104.441771][ T5592] ntfs3: loop5: Different NTFS' sector size (1024) and media sector size (512) [pid 5593] mount("/dev/loop4", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5595] <... ioctl resumed>) = 0 [pid 5591] <... ioctl resumed>) = 0 [pid 5068] lstat("./83/binderfs", [pid 5595] close(3 [pid 5591] close(4 [pid 5068] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5595] <... close resumed>) = 0 [pid 5591] <... close resumed>) = 0 [pid 5068] unlink("./83/binderfs" [pid 5595] mkdir("./file0", 0777 [pid 5591] exit_group(0 [pid 5068] <... unlink resumed>) = 0 [pid 5595] <... mkdir resumed>) = 0 [pid 5591] <... exit_group resumed>) = ? [pid 5068] umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5595] mount("/dev/loop3", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5591] +++ exited with 0 +++ [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5591, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=3 /* 0.03 s */} --- [pid 5067] umount2("./82", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5067] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] getdents64(3, 0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5067] umount2("./82/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] lstat("./82/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 5067] unlink("./82/binderfs") = 0 [pid 5067] umount2("./82/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] lstat("./83/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 104.457425][ T5594] ntfs3: loop2: Different NTFS' sector size (1024) and media sector size (512) [ 104.468412][ T5595] ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) [ 104.469139][ T5593] ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512) [pid 5068] openat(AT_FDCWD, "./83/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... umount2 resumed>) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5067] umount2("./82/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] fstat(4, [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] lstat("./82/file0", [pid 5592] <... mount resumed>) = 0 [pid 5068] getdents64(4, [pid 5067] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5592] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5068] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5067] umount2("./82/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5592] <... openat resumed>) = 3 [pid 5068] getdents64(4, [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5592] chdir("./file0" [pid 5068] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5067] openat(AT_FDCWD, "./82/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5592] <... chdir resumed>) = 0 [pid 5068] close(4 [pid 5067] <... openat resumed>) = 4 [pid 5595] <... mount resumed>) = 0 [pid 5592] ioctl(4, LOOP_CLR_FD [pid 5068] <... close resumed>) = 0 [pid 5067] fstat(4, [pid 5595] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5592] <... ioctl resumed>) = 0 [pid 5068] rmdir("./83/file0" [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5595] <... openat resumed>) = 3 [pid 5592] close(4 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] getdents64(4, [pid 5595] chdir("./file0" [pid 5592] <... close resumed>) = 0 [pid 5068] getdents64(3, [pid 5067] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5595] <... chdir resumed>) = 0 [pid 5592] exit_group(0 [pid 5068] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5067] getdents64(4, [pid 5595] ioctl(4, LOOP_CLR_FD [pid 5592] <... exit_group resumed>) = ? [pid 5068] close(3 [pid 5067] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5595] <... ioctl resumed>) = 0 [pid 5592] +++ exited with 0 +++ [pid 5068] <... close resumed>) = 0 [pid 5067] close(4 [pid 5595] close(4 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5592, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=4 /* 0.04 s */} --- [pid 5068] rmdir("./83" [pid 5067] <... close resumed>) = 0 [pid 5595] <... close resumed>) = 0 [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5068] <... rmdir resumed>) = 0 [pid 5067] rmdir("./82/file0" [pid 5595] exit_group(0 [pid 5072] <... restart_syscall resumed>) = 0 [pid 5068] mkdir("./84", 0777 [pid 5067] <... rmdir resumed>) = 0 [pid 5595] <... exit_group resumed>) = ? [pid 5068] <... mkdir resumed>) = 0 [pid 5067] getdents64(3, [pid 5595] +++ exited with 0 +++ [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5067] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5594] <... mount resumed>) = 0 [pid 5072] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... openat resumed>) = 3 [pid 5067] close(3 [pid 5594] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5595, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=7 /* 0.07 s */} --- [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5067] <... close resumed>) = 0 [pid 5594] <... openat resumed>) = 3 [pid 5072] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5067] rmdir("./82" [pid 5594] chdir("./file0" [pid 5072] <... openat resumed>) = 3 [pid 5070] <... restart_syscall resumed>) = 0 [pid 5068] close(3 [pid 5067] <... rmdir resumed>) = 0 [pid 5594] <... chdir resumed>) = 0 [pid 5072] fstat(3, [pid 5068] <... close resumed>) = 0 [pid 5067] mkdir("./83", 0777 [pid 5594] ioctl(4, LOOP_CLR_FD [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... mkdir resumed>) = 0 [pid 5594] <... ioctl resumed>) = 0 [pid 5072] getdents64(3, [pid 5070] umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5594] close(4 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5596 [pid 5067] <... openat resumed>) = 3 [pid 5594] <... close resumed>) = 0 [pid 5072] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5594] exit_group(0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... openat resumed>) = 3 [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] lstat("./86/binderfs", [pid 5070] fstat(3, [pid 5067] close(3./strace-static-x86_64: Process 5596 attached [pid 5594] <... exit_group resumed>) = ? [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... close resumed>) = 0 [pid 5596] chdir("./84" [pid 5072] unlink("./86/binderfs" [pid 5070] getdents64(3, [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5596] <... chdir resumed>) = 0 [pid 5594] +++ exited with 0 +++ [pid 5072] <... unlink resumed>) = 0 [pid 5070] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5596] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5594, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=6 /* 0.06 s */} --- [pid 5067] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5597 [pid 5596] <... prctl resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5596] setpgid(0, 0 [pid 5070] lstat("./85/binderfs", [pid 5596] <... setpgid resumed>) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] umount2("./84", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5597 attached [pid 5596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] unlink("./85/binderfs" [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5597] chdir("./83" [pid 5596] <... openat resumed>) = 3 [pid 5070] <... unlink resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5597] <... chdir resumed>) = 0 [pid 5596] write(3, "1000", 4 [pid 5070] umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... openat resumed>) = 3 [pid 5597] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5596] <... write resumed>) = 4 [pid 5069] fstat(3, [pid 5597] <... prctl resumed>) = 0 [pid 5596] close(3 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5597] setpgid(0, 0 [pid 5596] <... close resumed>) = 0 [pid 5069] getdents64(3, [pid 5597] <... setpgid resumed>) = 0 [pid 5596] symlink("/dev/binderfs", "./binderfs" [pid 5069] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5596] <... symlink resumed>) = 0 [pid 5069] umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5597] <... openat resumed>) = 3 [pid 5596] memfd_create("syzkaller", 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5597] write(3, "1000", 4 [pid 5596] <... memfd_create resumed>) = 3 [pid 5069] lstat("./84/binderfs", [pid 5597] <... write resumed>) = 4 [pid 5596] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] <... umount2 resumed>) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5597] close(3 [pid 5596] <... mmap resumed>) = 0x7fdf55e96000 [pid 5593] <... mount resumed>) = 0 [pid 5072] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] unlink("./84/binderfs" [pid 5597] <... close resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... umount2 resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 5593] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5597] symlink("/dev/binderfs", "./binderfs" [pid 5072] lstat("./86/file0", [pid 5069] umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5597] <... symlink resumed>) = 0 [pid 5593] <... openat resumed>) = 3 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5597] memfd_create("syzkaller", 0 [pid 5072] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5597] <... memfd_create resumed>) = 3 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5597] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5593] chdir("./file0" [pid 5072] openat(AT_FDCWD, "./86/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5597] <... mmap resumed>) = 0x7fdf55e96000 [pid 5072] <... openat resumed>) = 4 [pid 5593] <... chdir resumed>) = 0 [pid 5072] fstat(4, [pid 5070] lstat("./85/file0", [pid 5593] ioctl(4, LOOP_CLR_FD [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5593] <... ioctl resumed>) = 0 [pid 5072] getdents64(4, [pid 5070] umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5593] close(4 [pid 5072] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5593] <... close resumed>) = 0 [pid 5072] getdents64(4, [pid 5070] openat(AT_FDCWD, "./85/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5593] exit_group(0 [pid 5072] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5593] <... exit_group resumed>) = ? [pid 5072] close(4 [pid 5070] <... openat resumed>) = 4 [pid 5072] <... close resumed>) = 0 [pid 5069] umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] rmdir("./86/file0" [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... rmdir resumed>) = 0 [pid 5069] lstat("./84/file0", [pid 5593] +++ exited with 0 +++ [pid 5072] getdents64(3, [pid 5070] fstat(4, [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5593, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] close(3 [pid 5070] getdents64(4, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... close resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./84/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] rmdir("./86" [pid 5071] umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5069] <... openat resumed>) = 4 [pid 5072] <... rmdir resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] getdents64(4, [pid 5069] fstat(4, [pid 5072] mkdir("./87", 0777 [pid 5071] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... mkdir resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5070] close(4 [pid 5069] getdents64(4, [pid 5072] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5071] fstat(3, [pid 5070] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5072] <... openat resumed>) = 3 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] rmdir("./85/file0" [pid 5069] getdents64(4, [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5071] getdents64(3, [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5070] getdents64(3, [pid 5069] close(4 [pid 5072] close(3 [pid 5071] umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5069] <... close resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] close(3 [pid 5069] rmdir("./84/file0" [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] lstat("./85/binderfs", [pid 5070] <... close resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] rmdir("./85" [pid 5069] getdents64(3, [pid 5072] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5598 [pid 5071] unlink("./85/binderfs" [pid 5069] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] close(3 [pid 5071] <... unlink resumed>) = 0 [pid 5070] mkdir("./86", 0777 [pid 5069] <... close resumed>) = 0 [pid 5071] umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] rmdir("./84" [pid 5070] <... mkdir resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5597] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] mkdir("./85", 0777 [pid 5070] <... openat resumed>) = 3 [pid 5069] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5598 attached [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5598] chdir("./87" [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] <... openat resumed>) = 3 [pid 5598] <... chdir resumed>) = 0 [pid 5070] close(3 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5598] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] <... close resumed>) = 0 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5598] <... prctl resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] close(3 [pid 5598] setpgid(0, 0 [pid 5069] <... close resumed>) = 0 [pid 5598] <... setpgid resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5069] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5600 [pid 5598] write(3, "1000", 4 [pid 5070] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5599 [pid 5598] <... write resumed>) = 4 [pid 5598] close(3) = 0 [pid 5598] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5598] memfd_create("syzkaller", 0) = 3 [pid 5598] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 ./strace-static-x86_64: Process 5599 attached [pid 5071] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 5600 attached [pid 5599] chdir("./86" [pid 5600] chdir("./85") = 0 [pid 5599] <... chdir resumed>) = 0 [pid 5600] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5600] setpgid(0, 0) = 0 [pid 5600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5599] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5600] <... openat resumed>) = 3 [pid 5599] <... prctl resumed>) = 0 [pid 5596] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5071] umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5600] write(3, "1000", 4) = 4 [pid 5599] setpgid(0, 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5600] close(3) = 0 [pid 5600] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5599] <... setpgid resumed>) = 0 [pid 5071] lstat("./85/file0", [pid 5600] memfd_create("syzkaller", 0 [pid 5599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5600] <... memfd_create resumed>) = 3 [pid 5599] <... openat resumed>) = 3 [pid 5600] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5600] <... mmap resumed>) = 0x7fdf55e96000 [pid 5599] write(3, "1000", 4 [pid 5071] umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5599] <... write resumed>) = 4 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5599] close(3 [pid 5071] openat(AT_FDCWD, "./85/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5599] <... close resumed>) = 0 [pid 5599] symlink("/dev/binderfs", "./binderfs" [pid 5071] <... openat resumed>) = 4 [pid 5599] <... symlink resumed>) = 0 [pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5599] memfd_create("syzkaller", 0 [pid 5071] getdents64(4, [pid 5599] <... memfd_create resumed>) = 3 [pid 5071] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5599] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5596] <... write resumed>) = 2097152 [pid 5071] getdents64(4, [pid 5599] <... mmap resumed>) = 0x7fdf55e96000 [pid 5596] munmap(0x7fdf55e96000, 2097152 [pid 5071] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5071] close(4) = 0 [pid 5071] rmdir("./85/file0") = 0 [pid 5071] getdents64(3, 0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5597] <... write resumed>) = 2097152 [pid 5071] rmdir("./85") = 0 [pid 5071] mkdir("./86", 0777) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5597] munmap(0x7fdf55e96000, 2097152 [pid 5600] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5598] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5071] close(3 [pid 5597] <... munmap resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555657a5d0) = 5601 [pid 5597] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5597] ioctl(4, LOOP_SET_FD, 3 [pid 5596] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 5601 attached [pid 5597] <... ioctl resumed>) = 0 [pid 5596] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5601] chdir("./86" [pid 5596] <... openat resumed>) = 4 [pid 5601] <... chdir resumed>) = 0 [pid 5596] ioctl(4, LOOP_SET_FD, 3 [pid 5601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5601] setpgid(0, 0 [pid 5596] <... ioctl resumed>) = 0 [pid 5597] close(3) = 0 [pid 5597] mkdir("./file0", 0777 [pid 5601] <... setpgid resumed>) = 0 [pid 5596] close(3 [pid 5597] <... mkdir resumed>) = 0 [pid 5601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [ 104.818239][ T5597] loop0: detected capacity change from 0 to 4096 [ 104.836522][ T5596] loop1: detected capacity change from 0 to 4096 [pid 5597] mount("/dev/loop0", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5601] <... openat resumed>) = 3 [pid 5599] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5596] <... close resumed>) = 0 [pid 5601] write(3, "1000", 4 [pid 5596] mkdir("./file0", 0777 [pid 5601] <... write resumed>) = 4 [pid 5601] close(3 [pid 5596] <... mkdir resumed>) = 0 [pid 5601] <... close resumed>) = 0 [pid 5596] mount("/dev/loop1", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5601] symlink("/dev/binderfs", "./binderfs" [pid 5598] <... write resumed>) = 2097152 [pid 5598] munmap(0x7fdf55e96000, 2097152 [pid 5601] <... symlink resumed>) = 0 [pid 5598] <... munmap resumed>) = 0 [pid 5601] memfd_create("syzkaller", 0 [pid 5598] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5601] <... memfd_create resumed>) = 3 [pid 5601] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 [pid 5598] <... openat resumed>) = 4 [pid 5598] ioctl(4, LOOP_SET_FD, 3 [pid 5600] <... write resumed>) = 2097152 [pid 5600] munmap(0x7fdf55e96000, 2097152) = 0 [pid 5599] <... write resumed>) = 2097152 [pid 5599] munmap(0x7fdf55e96000, 2097152 [pid 5600] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5600] ioctl(4, LOOP_SET_FD, 3 [pid 5599] <... munmap resumed>) = 0 [ 104.861346][ T5597] ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) [ 104.882423][ T5596] ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) [ 104.901944][ T5598] loop5: detected capacity change from 0 to 4096 [pid 5601] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5600] <... ioctl resumed>) = 0 [pid 5599] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5598] <... ioctl resumed>) = 0 [pid 5597] <... mount resumed>) = 0 [pid 5596] <... mount resumed>) = 0 [pid 5599] <... openat resumed>) = 4 [pid 5598] close(3 [pid 5597] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5596] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5599] ioctl(4, LOOP_SET_FD, 3 [pid 5598] <... close resumed>) = 0 [pid 5597] <... openat resumed>) = 3 [pid 5596] <... openat resumed>) = 3 [pid 5598] mkdir("./file0", 0777 [pid 5597] chdir("./file0" [pid 5598] <... mkdir resumed>) = 0 [pid 5597] <... chdir resumed>) = 0 [pid 5596] chdir("./file0" [pid 5598] mount("/dev/loop5", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5597] ioctl(4, LOOP_CLR_FD [pid 5601] <... write resumed>) = 2097152 [pid 5600] close(3 [pid 5599] <... ioctl resumed>) = 0 [pid 5596] <... chdir resumed>) = 0 [pid 5601] munmap(0x7fdf55e96000, 2097152 [pid 5600] <... close resumed>) = 0 [pid 5597] <... ioctl resumed>) = 0 [pid 5596] ioctl(4, LOOP_CLR_FD [pid 5601] <... munmap resumed>) = 0 [pid 5600] mkdir("./file0", 0777 [pid 5597] close(4 [pid 5596] <... ioctl resumed>) = 0 [pid 5601] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5599] close(3 [pid 5598] <... mount resumed>) = 0 [pid 5597] <... close resumed>) = 0 [pid 5596] close(4 [pid 5601] <... openat resumed>) = 4 [pid 5599] <... close resumed>) = 0 [pid 5598] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5597] exit_group(0 [pid 5596] <... close resumed>) = 0 [pid 5601] ioctl(4, LOOP_SET_FD, 3 [pid 5599] mkdir("./file0", 0777 [pid 5598] <... openat resumed>) = 3 [pid 5597] <... exit_group resumed>) = ? [ 104.932353][ T5600] loop2: detected capacity change from 0 to 4096 [ 104.954931][ T5599] loop3: detected capacity change from 0 to 4096 [ 104.965056][ T5598] ntfs3: loop5: Different NTFS' sector size (1024) and media sector size (512) [pid 5596] exit_group(0 [pid 5600] <... mkdir resumed>) = 0 [pid 5599] <... mkdir resumed>) = 0 [pid 5598] chdir("./file0" [pid 5597] +++ exited with 0 +++ [pid 5600] mount("/dev/loop2", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5599] mount("/dev/loop3", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5598] <... chdir resumed>) = 0 [pid 5596] <... exit_group resumed>) = ? [pid 5601] <... ioctl resumed>) = 0 [pid 5598] ioctl(4, LOOP_CLR_FD [pid 5596] +++ exited with 0 +++ [pid 5601] close(3 [pid 5598] <... ioctl resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5596, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=6 /* 0.06 s */} --- [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5597, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=3 /* 0.03 s */} --- [pid 5601] <... close resumed>) = 0 [pid 5598] close(4 [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 5601] mkdir("./file0", 0777 [pid 5600] <... mount resumed>) = 0 [ 104.991659][ T5601] loop4: detected capacity change from 0 to 4096 [ 105.001017][ T5599] ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) [ 105.010758][ T5600] ntfs3: loop2: Different NTFS' sector size (1024) and media sector size (512) [pid 5599] <... mount resumed>) = 0 [pid 5598] <... close resumed>) = 0 [pid 5067] <... restart_syscall resumed>) = 0 [pid 5601] <... mkdir resumed>) = 0 [pid 5600] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5599] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5598] exit_group(0 [pid 5068] umount2("./84", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5601] mount("/dev/loop4", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5600] <... openat resumed>) = 3 [pid 5599] <... openat resumed>) = 3 [pid 5598] <... exit_group resumed>) = ? [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5600] chdir("./file0" [pid 5599] chdir("./file0" [pid 5598] +++ exited with 0 +++ [pid 5068] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5600] <... chdir resumed>) = 0 [pid 5599] <... chdir resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5598, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=5 /* 0.05 s */} --- [pid 5068] <... openat resumed>) = 3 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5600] ioctl(4, LOOP_CLR_FD [pid 5599] ioctl(4, LOOP_CLR_FD [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5068] fstat(3, [pid 5067] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5600] <... ioctl resumed>) = 0 [pid 5599] <... ioctl resumed>) = 0 [pid 5072] <... restart_syscall resumed>) = 0 [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5600] close(4 [pid 5599] close(4 [pid 5068] getdents64(3, [pid 5067] fstat(3, [pid 5600] <... close resumed>) = 0 [pid 5599] <... close resumed>) = 0 [pid 5068] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5600] exit_group(0 [pid 5599] exit_group(0 [pid 5072] umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] getdents64(3, [pid 5600] <... exit_group resumed>) = ? [pid 5599] <... exit_group resumed>) = ? [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5600] +++ exited with 0 +++ [pid 5599] +++ exited with 0 +++ [pid 5072] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] lstat("./84/binderfs", [pid 5067] umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... openat resumed>) = 3 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5600, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5068] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] fstat(3, [pid 5068] unlink("./84/binderfs" [pid 5067] lstat("./83/binderfs", [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5599, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5068] <... unlink resumed>) = 0 [pid 5067] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] getdents64(3, [pid 5068] umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] unlink("./83/binderfs" [pid 5072] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5070] restart_syscall(<... resuming interrupted clone ...> [pid 5072] umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... unlink resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] lstat("./87/binderfs", [pid 5070] <... restart_syscall resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] unlink("./87/binderfs" [pid 5070] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... openat resumed>) = 3 [pid 5072] <... unlink resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] fstat(3, [pid 5072] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 105.058386][ T5601] ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512) [pid 5070] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(3, 0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./86/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] unlink("./86/binderfs") = 0 [pid 5069] getdents64(3, [pid 5070] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5069] umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./85/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5069] unlink("./85/binderfs") = 0 [pid 5069] umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = 0 [pid 5601] <... mount resumed>) = 0 [pid 5067] umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] lstat("./83/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./83/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5067] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5601] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5067] getdents64(4, [pid 5601] <... openat resumed>) = 3 [pid 5070] <... umount2 resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 5601] chdir("./file0" [pid 5067] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5601] <... chdir resumed>) = 0 [pid 5068] umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5601] ioctl(4, LOOP_CLR_FD) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5601] close(4) = 0 [pid 5068] lstat("./84/file0", [pid 5601] exit_group(0 [pid 5067] getdents64(4, [pid 5601] <... exit_group resumed>) = ? [pid 5068] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5067] close(4) = 0 [pid 5601] +++ exited with 0 +++ [pid 5068] umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] rmdir("./83/file0" [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5601, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=6 /* 0.06 s */} --- [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... rmdir resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./84/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... openat resumed>) = 4 [pid 5067] getdents64(3, [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] fstat(4, [pid 5071] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] fstat(3, [pid 5067] close(3 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] getdents64(4, [pid 5072] <... umount2 resumed>) = 0 [pid 5071] getdents64(3, [pid 5067] <... close resumed>) = 0 [pid 5071] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5068] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5067] rmdir("./83" [pid 5071] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] getdents64(4, [pid 5067] <... rmdir resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5067] mkdir("./84", 0777 [pid 5072] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] lstat("./86/binderfs", [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] close(4 [pid 5067] <... mkdir resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] lstat("./86/file0", [pid 5069] <... umount2 resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5072] lstat("./87/file0", [pid 5071] unlink("./86/binderfs" [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] rmdir("./84/file0" [pid 5067] <... openat resumed>) = 3 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... unlink resumed>) = 0 [pid 5070] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5068] <... rmdir resumed>) = 0 [pid 5072] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] getdents64(3, [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./86/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] lstat("./85/file0", [pid 5068] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5067] close(3 [pid 5072] openat(AT_FDCWD, "./87/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... openat resumed>) = 4 [pid 5068] close(3 [pid 5067] <... close resumed>) = 0 [pid 5072] <... openat resumed>) = 4 [pid 5070] fstat(4, [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] fstat(4, [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] rmdir("./84" [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5070] getdents64(4, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5602 [pid 5072] getdents64(4, [pid 5070] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5069] openat(AT_FDCWD, "./85/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] mkdir("./85", 0777 [pid 5072] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5070] getdents64(4, [pid 5069] <... openat resumed>) = 4 [pid 5072] getdents64(4, [pid 5070] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5069] fstat(4, [pid 5068] <... mkdir resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5070] close(4 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 5602 attached [pid 5072] close(4 [pid 5070] <... close resumed>) = 0 [pid 5069] getdents64(4, [pid 5602] chdir("./84" [pid 5072] <... close resumed>) = 0 [pid 5070] rmdir("./86/file0" [pid 5068] <... openat resumed>) = 3 [pid 5602] <... chdir resumed>) = 0 [pid 5072] rmdir("./87/file0" [pid 5071] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5602] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] <... rmdir resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] getdents64(3, [pid 5602] <... prctl resumed>) = 0 [pid 5072] getdents64(3, [pid 5071] lstat("./86/file0", [pid 5070] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5602] setpgid(0, 0 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] close(3 [pid 5602] <... setpgid resumed>) = 0 [pid 5072] close(3 [pid 5071] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... close resumed>) = 0 [pid 5602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] <... close resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] rmdir("./86" [pid 5069] getdents64(4, [pid 5602] <... openat resumed>) = 3 [pid 5072] rmdir("./87" [pid 5071] openat(AT_FDCWD, "./86/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... rmdir resumed>) = 0 [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5602] write(3, "1000", 4 [pid 5072] <... rmdir resumed>) = 0 [pid 5071] <... openat resumed>) = 4 [pid 5070] mkdir("./87", 0777 [pid 5069] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5068] close(3 [pid 5602] <... write resumed>) = 4 [pid 5072] mkdir("./88", 0777 [pid 5071] fstat(4, [pid 5070] <... mkdir resumed>) = 0 [pid 5069] close(4 [pid 5068] <... close resumed>) = 0 [pid 5602] close(3 [pid 5072] <... mkdir resumed>) = 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] <... close resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5602] <... close resumed>) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5071] getdents64(4, [pid 5070] <... openat resumed>) = 3 [pid 5069] rmdir("./85/file0" [pid 5602] symlink("/dev/binderfs", "./binderfs" [pid 5072] <... openat resumed>) = 3 [pid 5071] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5602] <... symlink resumed>) = 0 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5071] getdents64(4, [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5603 [pid 5602] memfd_create("syzkaller", 0 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5070] close(3 [pid 5069] getdents64(3, [pid 5602] <... memfd_create resumed>) = 3 [pid 5072] close(3 [pid 5071] close(4 [pid 5070] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5602] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] <... close resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] close(3./strace-static-x86_64: Process 5603 attached [pid 5602] <... mmap resumed>) = 0x7fdf55e96000 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] rmdir("./86/file0" [pid 5069] <... close resumed>) = 0 [pid 5603] chdir("./85" [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5604 [pid 5069] rmdir("./85" [pid 5603] <... chdir resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5605 [pid 5071] getdents64(3, [pid 5603] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5603] <... prctl resumed>) = 0 [pid 5071] close(3 [pid 5069] mkdir("./86", 0777 [pid 5603] setpgid(0, 0 [pid 5071] <... close resumed>) = 0 [pid 5603] <... setpgid resumed>) = 0 [pid 5071] rmdir("./86" [pid 5069] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5605 attached ./strace-static-x86_64: Process 5604 attached [pid 5603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] <... rmdir resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5605] chdir("./88" [pid 5603] <... openat resumed>) = 3 [pid 5071] mkdir("./87", 0777 [pid 5605] <... chdir resumed>) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 5605] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5605] <... prctl resumed>) = 0 [pid 5604] chdir("./87" [pid 5071] <... openat resumed>) = 3 [pid 5605] setpgid(0, 0 [pid 5604] <... chdir resumed>) = 0 [pid 5603] write(3, "1000", 4 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5069] <... openat resumed>) = 3 [pid 5605] <... setpgid resumed>) = 0 [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] close(3 [pid 5605] <... openat resumed>) = 3 [pid 5071] <... close resumed>) = 0 [pid 5604] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5603] <... write resumed>) = 4 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5605] write(3, "1000", 4 [pid 5604] <... prctl resumed>) = 0 [pid 5603] close(3 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5605] <... write resumed>) = 4 [pid 5604] setpgid(0, 0 [pid 5603] <... close resumed>) = 0 [pid 5069] close(3 [pid 5605] close(3 [pid 5604] <... setpgid resumed>) = 0 [pid 5603] symlink("/dev/binderfs", "./binderfs" [pid 5071] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5606 [pid 5069] <... close resumed>) = 0 [pid 5605] <... close resumed>) = 0 [pid 5605] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5605] memfd_create("syzkaller", 0 [pid 5604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5603] <... symlink resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5606 attached [pid 5605] <... memfd_create resumed>) = 3 [pid 5604] <... openat resumed>) = 3 [pid 5606] chdir("./87" [pid 5605] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5603] memfd_create("syzkaller", 0 [pid 5604] write(3, "1000", 4 [pid 5606] <... chdir resumed>) = 0 [pid 5605] <... mmap resumed>) = 0x7fdf55e96000 [pid 5604] <... write resumed>) = 4 [pid 5603] <... memfd_create resumed>) = 3 [pid 5069] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5607 [pid 5606] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5604] close(3 [pid 5603] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5602] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5606] <... prctl resumed>) = 0 [pid 5604] <... close resumed>) = 0 [pid 5603] <... mmap resumed>) = 0x7fdf55e96000 [pid 5606] setpgid(0, 0 [pid 5604] symlink("/dev/binderfs", "./binderfs" [pid 5606] <... setpgid resumed>) = 0 [pid 5604] <... symlink resumed>) = 0 [pid 5606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5604] memfd_create("syzkaller", 0 [pid 5606] write(3, "1000", 4 [pid 5604] <... memfd_create resumed>) = 3 [pid 5606] <... write resumed>) = 4 [pid 5604] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5606] close(3 [pid 5604] <... mmap resumed>) = 0x7fdf55e96000 [pid 5606] <... close resumed>) = 0 [pid 5606] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5606] memfd_create("syzkaller", 0) = 3 [pid 5606] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 ./strace-static-x86_64: Process 5607 attached [pid 5607] chdir("./86") = 0 [pid 5607] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5607] setpgid(0, 0) = 0 [pid 5607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5603] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5607] write(3, "1000", 4) = 4 [pid 5607] close(3) = 0 [pid 5607] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5607] memfd_create("syzkaller", 0) = 3 [pid 5607] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 [pid 5605] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5606] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5604] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5602] <... write resumed>) = 2097152 [pid 5602] munmap(0x7fdf55e96000, 2097152 [pid 5607] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5603] <... write resumed>) = 2097152 [pid 5603] munmap(0x7fdf55e96000, 2097152 [pid 5602] <... munmap resumed>) = 0 [pid 5602] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5602] ioctl(4, LOOP_SET_FD, 3 [pid 5604] <... write resumed>) = 2097152 [pid 5603] <... munmap resumed>) = 0 [pid 5602] <... ioctl resumed>) = 0 [pid 5604] munmap(0x7fdf55e96000, 2097152 [pid 5603] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5603] ioctl(4, LOOP_SET_FD, 3 [pid 5604] <... munmap resumed>) = 0 [pid 5604] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5604] ioctl(4, LOOP_SET_FD, 3 [pid 5603] <... ioctl resumed>) = 0 [pid 5602] close(3) = 0 [pid 5602] mkdir("./file0", 0777 [pid 5607] <... write resumed>) = 2097152 [pid 5604] <... ioctl resumed>) = 0 [pid 5603] close(3 [pid 5602] <... mkdir resumed>) = 0 [pid 5607] munmap(0x7fdf55e96000, 2097152 [pid 5605] <... write resumed>) = 2097152 [pid 5604] close(3 [pid 5603] <... close resumed>) = 0 [pid 5605] munmap(0x7fdf55e96000, 2097152 [pid 5604] <... close resumed>) = 0 [pid 5603] mkdir("./file0", 0777 [pid 5602] mount("/dev/loop0", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5607] <... munmap resumed>) = 0 [pid 5606] <... write resumed>) = 2097152 [pid 5605] <... munmap resumed>) = 0 [pid 5604] mkdir("./file0", 0777 [pid 5603] <... mkdir resumed>) = 0 [pid 5607] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5606] munmap(0x7fdf55e96000, 2097152 [pid 5605] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5604] <... mkdir resumed>) = 0 [pid 5603] mount("/dev/loop1", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5607] <... openat resumed>) = 4 [pid 5606] <... munmap resumed>) = 0 [pid 5605] <... openat resumed>) = 4 [ 105.438996][ T5602] loop0: detected capacity change from 0 to 4096 [ 105.451456][ T5603] loop1: detected capacity change from 0 to 4096 [ 105.460577][ T5604] loop3: detected capacity change from 0 to 4096 [ 105.475877][ T5602] ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) [pid 5604] mount("/dev/loop3", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5607] ioctl(4, LOOP_SET_FD, 3 [pid 5606] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5605] ioctl(4, LOOP_SET_FD, 3 [pid 5607] <... ioctl resumed>) = 0 [pid 5606] <... openat resumed>) = 4 [pid 5605] <... ioctl resumed>) = 0 [pid 5607] close(3 [pid 5606] ioctl(4, LOOP_SET_FD, 3 [pid 5605] close(3 [pid 5602] <... mount resumed>) = 0 [pid 5607] <... close resumed>) = 0 [pid 5604] <... mount resumed>) = 0 [pid 5607] mkdir("./file0", 0777 [pid 5606] <... ioctl resumed>) = 0 [pid 5605] <... close resumed>) = 0 [pid 5604] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5602] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5607] <... mkdir resumed>) = 0 [pid 5606] close(3 [pid 5605] mkdir("./file0", 0777 [pid 5604] <... openat resumed>) = 3 [pid 5602] <... openat resumed>) = 3 [pid 5607] mount("/dev/loop2", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5606] <... close resumed>) = 0 [pid 5605] <... mkdir resumed>) = 0 [ 105.488564][ T5603] ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) [ 105.488589][ T5604] ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) [ 105.506938][ T5607] loop2: detected capacity change from 0 to 4096 [ 105.513609][ T5605] loop5: detected capacity change from 0 to 4096 [ 105.531691][ T5606] loop4: detected capacity change from 0 to 4096 [pid 5604] chdir("./file0" [pid 5602] chdir("./file0" [pid 5606] mkdir("./file0", 0777 [pid 5604] <... chdir resumed>) = 0 [pid 5603] <... mount resumed>) = 0 [pid 5604] ioctl(4, LOOP_CLR_FD [pid 5603] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5604] <... ioctl resumed>) = 0 [pid 5603] <... openat resumed>) = 3 [pid 5604] close(4 [pid 5603] chdir("./file0" [pid 5604] <... close resumed>) = 0 [pid 5603] <... chdir resumed>) = 0 [pid 5604] exit_group(0 [pid 5603] ioctl(4, LOOP_CLR_FD [pid 5604] <... exit_group resumed>) = ? [pid 5605] mount("/dev/loop5", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5604] +++ exited with 0 +++ [pid 5603] <... ioctl resumed>) = 0 [pid 5602] <... chdir resumed>) = 0 [pid 5603] close(4 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5604, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5603] <... close resumed>) = 0 [pid 5603] exit_group(0) = ? [pid 5070] umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5603] +++ exited with 0 +++ [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5070] fstat(3, [pid 5602] ioctl(4, LOOP_CLR_FD [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5602] <... ioctl resumed>) = 0 [pid 5070] getdents64(3, [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5603, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=3 /* 0.03 s */} --- [pid 5606] <... mkdir resumed>) = 0 [pid 5602] close(4 [pid 5070] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5606] mount("/dev/loop4", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5070] umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./87/binderfs", [pid 5602] <... close resumed>) = 0 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] unlink("./87/binderfs" [pid 5602] exit_group(0 [pid 5070] <... unlink resumed>) = 0 [ 105.546637][ T5607] ntfs3: loop2: Different NTFS' sector size (1024) and media sector size (512) [ 105.569042][ T5605] ntfs3: loop5: Different NTFS' sector size (1024) and media sector size (512) [pid 5068] umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5602] <... exit_group resumed>) = ? [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5602] +++ exited with 0 +++ [pid 5068] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5602, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=3 /* 0.03 s */} --- [pid 5068] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] getdents64(3, [pid 5067] umount2("./84", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5067] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] getdents64(3, [pid 5068] lstat("./85/binderfs", [pid 5067] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5068] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5067] umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] unlink("./85/binderfs" [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5607] <... mount resumed>) = 0 [pid 5605] <... mount resumed>) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5068] <... unlink resumed>) = 0 [pid 5067] lstat("./84/binderfs", [pid 5607] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5605] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5607] <... openat resumed>) = 3 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] unlink("./84/binderfs" [pid 5607] chdir("./file0" [pid 5605] <... openat resumed>) = 3 [pid 5070] lstat("./87/file0", [pid 5068] <... umount2 resumed>) = 0 [pid 5067] <... unlink resumed>) = 0 [ 105.593435][ T5606] ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512) [pid 5607] <... chdir resumed>) = 0 [pid 5606] <... mount resumed>) = 0 [pid 5605] chdir("./file0" [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5607] ioctl(4, LOOP_CLR_FD [pid 5606] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5605] <... chdir resumed>) = 0 [pid 5070] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = 0 [pid 5607] <... ioctl resumed>) = 0 [pid 5606] <... openat resumed>) = 3 [pid 5605] ioctl(4, LOOP_CLR_FD [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] lstat("./85/file0", [pid 5067] umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5607] close(4 [pid 5606] chdir("./file0" [pid 5605] <... ioctl resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./87/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5607] <... close resumed>) = 0 [pid 5606] <... chdir resumed>) = 0 [pid 5605] close(4 [pid 5070] <... openat resumed>) = 4 [pid 5068] umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] lstat("./84/file0", [pid 5607] exit_group(0 [pid 5606] ioctl(4, LOOP_CLR_FD [pid 5605] <... close resumed>) = 0 [pid 5070] fstat(4, [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5607] <... exit_group resumed>) = ? [pid 5606] <... ioctl resumed>) = 0 [pid 5605] exit_group(0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] openat(AT_FDCWD, "./85/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5607] +++ exited with 0 +++ [pid 5070] getdents64(4, [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5606] close(4 [pid 5605] <... exit_group resumed>) = ? [pid 5070] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5068] <... openat resumed>) = 4 [pid 5067] openat(AT_FDCWD, "./84/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5606] <... close resumed>) = 0 [pid 5070] getdents64(4, [pid 5067] <... openat resumed>) = 4 [pid 5606] exit_group(0 [pid 5605] +++ exited with 0 +++ [pid 5070] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5607, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=3 /* 0.03 s */} --- [pid 5068] fstat(4, [pid 5067] fstat(4, [pid 5606] <... exit_group resumed>) = ? [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5605, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5070] close(4 [pid 5069] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... close resumed>) = 0 [pid 5067] getdents64(4, [pid 5606] +++ exited with 0 +++ [pid 5070] rmdir("./87/file0" [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] getdents64(4, [pid 5067] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5606, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=3 /* 0.03 s */} --- [pid 5070] <... rmdir resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(4, [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 5070] getdents64(3, [pid 5069] <... openat resumed>) = 3 [pid 5068] getdents64(4, [pid 5067] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5071] <... restart_syscall resumed>) = 0 [pid 5070] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5069] fstat(3, [pid 5068] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5067] close(4 [pid 5072] umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] close(3 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] close(4 [pid 5067] <... close resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... close resumed>) = 0 [pid 5069] getdents64(3, [pid 5068] <... close resumed>) = 0 [pid 5067] rmdir("./84/file0" [pid 5072] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] rmdir("./87" [pid 5069] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5068] rmdir("./85/file0" [pid 5067] <... rmdir resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... rmdir resumed>) = 0 [pid 5069] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] getdents64(3, [pid 5072] fstat(3, [pid 5071] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] mkdir("./88", 0777 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5070] <... mkdir resumed>) = 0 [pid 5069] lstat("./86/binderfs", [pid 5068] getdents64(3, [pid 5067] close(3 [pid 5072] getdents64(3, [pid 5071] fstat(3, [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5067] <... close resumed>) = 0 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5069] unlink("./86/binderfs" [pid 5068] close(3 [pid 5067] rmdir("./84" [pid 5072] umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] getdents64(3, [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5069] <... unlink resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] mkdir("./85", 0777 [pid 5072] lstat("./88/binderfs", [pid 5071] umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] close(3 [pid 5068] rmdir("./85" [pid 5067] <... mkdir resumed>) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... close resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5072] unlink("./88/binderfs" [pid 5071] lstat("./87/binderfs", [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... openat resumed>) = 3 [pid 5072] <... unlink resumed>) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5072] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] unlink("./87/binderfs" [pid 5070] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5608 [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] <... unlink resumed>) = 0 [pid 5067] close(3 [pid 5071] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... close resumed>) = 0 ./strace-static-x86_64: Process 5608 attached [pid 5072] <... umount2 resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5068] mkdir("./86", 0777 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5608] chdir("./88" [pid 5072] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... mkdir resumed>) = 0 [pid 5608] <... chdir resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5067] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5609 ./strace-static-x86_64: Process 5609 attached [pid 5608] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] lstat("./88/file0", [pid 5069] lstat("./86/file0", [pid 5068] <... openat resumed>) = 3 [pid 5609] chdir("./85" [pid 5608] <... prctl resumed>) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5609] <... chdir resumed>) = 0 [pid 5608] setpgid(0, 0 [pid 5072] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5609] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5608] <... setpgid resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] close(3 [pid 5072] openat(AT_FDCWD, "./88/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] openat(AT_FDCWD, "./86/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5609] <... prctl resumed>) = 0 [pid 5608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] <... openat resumed>) = 4 [pid 5071] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... openat resumed>) = 4 [pid 5068] <... close resumed>) = 0 [pid 5609] setpgid(0, 0 [pid 5608] <... openat resumed>) = 3 [pid 5072] fstat(4, [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] fstat(4, [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5609] <... setpgid resumed>) = 0 [pid 5608] write(3, "1000", 4 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] lstat("./87/file0", [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5608] <... write resumed>) = 4 [pid 5072] getdents64(4, [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(4, [pid 5072] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5071] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] getdents64(4, [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5071] openat(AT_FDCWD, "./87/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] close(4 [pid 5071] <... openat resumed>) = 4 [pid 5072] <... close resumed>) = 0 [pid 5071] fstat(4, [pid 5609] <... openat resumed>) = 3 [pid 5608] close(3 [pid 5072] rmdir("./88/file0" [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5068] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5610 [pid 5609] write(3, "1000", 4 [pid 5608] <... close resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5071] getdents64(4, [pid 5069] getdents64(4, ./strace-static-x86_64: Process 5610 attached [pid 5609] <... write resumed>) = 4 [pid 5608] symlink("/dev/binderfs", "./binderfs" [pid 5072] getdents64(3, [pid 5071] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5069] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5610] chdir("./86" [pid 5609] close(3 [pid 5608] <... symlink resumed>) = 0 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5071] getdents64(4, [pid 5069] close(4 [pid 5609] <... close resumed>) = 0 [pid 5608] memfd_create("syzkaller", 0 [pid 5072] close(3 [pid 5071] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5069] <... close resumed>) = 0 [pid 5610] <... chdir resumed>) = 0 [pid 5609] symlink("/dev/binderfs", "./binderfs" [pid 5608] <... memfd_create resumed>) = 3 [pid 5072] <... close resumed>) = 0 [pid 5071] close(4 [pid 5069] rmdir("./86/file0" [pid 5610] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5609] <... symlink resumed>) = 0 [pid 5608] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] rmdir("./88" [pid 5071] <... close resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5609] memfd_create("syzkaller", 0 [pid 5608] <... mmap resumed>) = 0x7fdf55e96000 [pid 5072] <... rmdir resumed>) = 0 [pid 5071] rmdir("./87/file0" [pid 5069] getdents64(3, [pid 5072] mkdir("./89", 0777 [pid 5071] <... rmdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5072] <... mkdir resumed>) = 0 [pid 5071] getdents64(3, [pid 5069] close(3 [pid 5072] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5071] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5069] <... close resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5071] close(3 [pid 5069] rmdir("./86" [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5071] <... close resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5609] <... memfd_create resumed>) = 3 [pid 5610] <... prctl resumed>) = 0 [pid 5609] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] rmdir("./87" [pid 5069] mkdir("./87", 0777 [pid 5610] setpgid(0, 0 [pid 5609] <... mmap resumed>) = 0x7fdf55e96000 [pid 5072] close(3 [pid 5071] <... rmdir resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5610] <... setpgid resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 5071] mkdir("./88", 0777 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... mkdir resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5611 [pid 5071] <... openat resumed>) = 3 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5610] <... openat resumed>) = 3 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5069] close(3 [pid 5610] write(3, "1000", 4 [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] <... close resumed>) = 0 [pid 5610] <... write resumed>) = 4 [pid 5071] close(3 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5611 attached [pid 5610] close(3 [pid 5071] <... close resumed>) = 0 [pid 5611] chdir("./89" [pid 5610] <... close resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5612 [pid 5611] <... chdir resumed>) = 0 [pid 5610] symlink("/dev/binderfs", "./binderfs" [pid 5611] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5610] <... symlink resumed>) = 0 [pid 5071] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5613 ./strace-static-x86_64: Process 5612 attached [pid 5611] <... prctl resumed>) = 0 [pid 5612] chdir("./87" [pid 5611] setpgid(0, 0 [pid 5610] memfd_create("syzkaller", 0 [pid 5612] <... chdir resumed>) = 0 [pid 5611] <... setpgid resumed>) = 0 [pid 5610] <... memfd_create resumed>) = 3 [pid 5612] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5610] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5612] <... prctl resumed>) = 0 [pid 5611] <... openat resumed>) = 3 [pid 5612] setpgid(0, 0 [pid 5611] write(3, "1000", 4./strace-static-x86_64: Process 5613 attached [pid 5612] <... setpgid resumed>) = 0 [pid 5611] <... write resumed>) = 4 [pid 5610] <... mmap resumed>) = 0x7fdf55e96000 [pid 5613] chdir("./88" [pid 5612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5611] close(3 [pid 5612] <... openat resumed>) = 3 [pid 5611] <... close resumed>) = 0 [pid 5612] write(3, "1000", 4 [pid 5611] symlink("/dev/binderfs", "./binderfs" [pid 5612] <... write resumed>) = 4 [pid 5611] <... symlink resumed>) = 0 [pid 5613] <... chdir resumed>) = 0 [pid 5612] close(3 [pid 5611] memfd_create("syzkaller", 0 [pid 5613] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5612] <... close resumed>) = 0 [pid 5611] <... memfd_create resumed>) = 3 [pid 5612] symlink("/dev/binderfs", "./binderfs" [pid 5611] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5612] <... symlink resumed>) = 0 [pid 5611] <... mmap resumed>) = 0x7fdf55e96000 [pid 5613] <... prctl resumed>) = 0 [pid 5612] memfd_create("syzkaller", 0 [pid 5609] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5608] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5613] setpgid(0, 0 [pid 5612] <... memfd_create resumed>) = 3 [pid 5613] <... setpgid resumed>) = 0 [pid 5612] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 [pid 5613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5613] write(3, "1000", 4) = 4 [pid 5613] close(3) = 0 [pid 5613] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5613] memfd_create("syzkaller", 0) = 3 [pid 5610] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5613] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5608] <... write resumed>) = 2097152 [pid 5613] <... mmap resumed>) = 0x7fdf55e96000 [pid 5609] <... write resumed>) = 2097152 [pid 5611] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5609] munmap(0x7fdf55e96000, 2097152 [pid 5608] munmap(0x7fdf55e96000, 2097152 [pid 5612] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5608] <... munmap resumed>) = 0 [pid 5609] <... munmap resumed>) = 0 [pid 5608] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5608] <... openat resumed>) = 4 [pid 5613] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5610] <... write resumed>) = 2097152 [pid 5609] <... openat resumed>) = 4 [pid 5608] ioctl(4, LOOP_SET_FD, 3 [pid 5610] munmap(0x7fdf55e96000, 2097152 [pid 5609] ioctl(4, LOOP_SET_FD, 3 [pid 5610] <... munmap resumed>) = 0 [pid 5610] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5609] <... ioctl resumed>) = 0 [pid 5608] <... ioctl resumed>) = 0 [pid 5610] ioctl(4, LOOP_SET_FD, 3 [pid 5612] <... write resumed>) = 2097152 [pid 5612] munmap(0x7fdf55e96000, 2097152 [pid 5609] close(3 [pid 5608] close(3 [pid 5611] <... write resumed>) = 2097152 [pid 5610] <... ioctl resumed>) = 0 [pid 5609] <... close resumed>) = 0 [pid 5608] <... close resumed>) = 0 [pid 5611] munmap(0x7fdf55e96000, 2097152 [pid 5610] close(3 [pid 5609] mkdir("./file0", 0777 [pid 5608] mkdir("./file0", 0777 [pid 5612] <... munmap resumed>) = 0 [pid 5611] <... munmap resumed>) = 0 [pid 5610] <... close resumed>) = 0 [pid 5609] <... mkdir resumed>) = 0 [pid 5613] <... write resumed>) = 2097152 [pid 5612] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5611] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5610] mkdir("./file0", 0777 [pid 5609] mount("/dev/loop0", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5608] <... mkdir resumed>) = 0 [pid 5613] munmap(0x7fdf55e96000, 2097152 [pid 5612] <... openat resumed>) = 4 [pid 5611] <... openat resumed>) = 4 [pid 5610] <... mkdir resumed>) = 0 [pid 5608] mount("/dev/loop3", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5613] <... munmap resumed>) = 0 [pid 5613] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 105.987337][ T5608] loop3: detected capacity change from 0 to 4096 [ 105.996855][ T5609] loop0: detected capacity change from 0 to 4096 [ 106.006914][ T5610] loop1: detected capacity change from 0 to 4096 [ 106.027950][ T5609] ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) [pid 5613] ioctl(4, LOOP_SET_FD, 3 [pid 5612] ioctl(4, LOOP_SET_FD, 3 [pid 5611] ioctl(4, LOOP_SET_FD, 3 [pid 5610] mount("/dev/loop1", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5613] <... ioctl resumed>) = 0 [pid 5609] <... mount resumed>) = 0 [pid 5613] close(3) = 0 [pid 5613] mkdir("./file0", 0777) = 0 [pid 5611] <... ioctl resumed>) = 0 [pid 5612] <... ioctl resumed>) = 0 [pid 5611] close(3 [pid 5612] close(3 [pid 5611] <... close resumed>) = 0 [pid 5612] <... close resumed>) = 0 [pid 5611] mkdir("./file0", 0777 [pid 5612] mkdir("./file0", 0777 [pid 5611] <... mkdir resumed>) = 0 [pid 5612] <... mkdir resumed>) = 0 [pid 5613] mount("/dev/loop4", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5612] mount("/dev/loop2", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5611] mount("/dev/loop5", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5609] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5609] chdir("./file0") = 0 [pid 5609] ioctl(4, LOOP_CLR_FD) = 0 [pid 5609] close(4) = 0 [pid 5609] exit_group(0) = ? [ 106.037814][ T5608] ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) [ 106.038769][ T5613] loop4: detected capacity change from 0 to 4096 [ 106.054206][ T5612] loop2: detected capacity change from 0 to 4096 [ 106.060869][ T5611] loop5: detected capacity change from 0 to 4096 [ 106.062595][ T5610] ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) [pid 5610] <... mount resumed>) = 0 [pid 5609] +++ exited with 0 +++ [pid 5610] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5609, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=2 /* 0.02 s */} --- [pid 5610] <... openat resumed>) = 3 [pid 5610] chdir("./file0") = 0 [pid 5067] umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5610] ioctl(4, LOOP_CLR_FD [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5610] <... ioctl resumed>) = 0 [pid 5610] close(4 [pid 5067] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5610] <... close resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5610] exit_group(0 [pid 5067] fstat(3, [pid 5610] <... exit_group resumed>) = ? [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5610] +++ exited with 0 +++ [pid 5067] getdents64(3, [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5610, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=4 /* 0.04 s */} --- [pid 5067] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5067] umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] lstat("./85/binderfs", [pid 5068] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5067] unlink("./85/binderfs" [pid 5068] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... unlink resumed>) = 0 [pid 5068] getdents64(3, 0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5067] umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] lstat("./86/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] unlink("./86/binderfs") = 0 [pid 5068] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5608] <... mount resumed>) = 0 [pid 5608] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5608] chdir("./file0") = 0 [pid 5608] ioctl(4, LOOP_CLR_FD) = 0 [pid 5608] close(4) = 0 [ 106.088919][ T5613] ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512) [ 106.093730][ T5612] ntfs3: loop2: Different NTFS' sector size (1024) and media sector size (512) [ 106.098972][ T5611] ntfs3: loop5: Different NTFS' sector size (1024) and media sector size (512) [pid 5608] exit_group(0) = ? [pid 5613] <... mount resumed>) = 0 [pid 5611] <... mount resumed>) = 0 [pid 5608] +++ exited with 0 +++ [pid 5613] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5611] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5608, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=3 /* 0.03 s */} --- [pid 5613] <... openat resumed>) = 3 [pid 5611] <... openat resumed>) = 3 [pid 5070] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5613] chdir("./file0" [pid 5611] chdir("./file0" [pid 5613] <... chdir resumed>) = 0 [pid 5611] <... chdir resumed>) = 0 [pid 5070] umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5613] ioctl(4, LOOP_CLR_FD [pid 5611] ioctl(4, LOOP_CLR_FD [pid 5613] <... ioctl resumed>) = 0 [pid 5611] <... ioctl resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... umount2 resumed>) = 0 [pid 5613] close(4 [pid 5611] close(4 [pid 5613] <... close resumed>) = 0 [pid 5611] <... close resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5067] umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5613] exit_group(0 [pid 5612] <... mount resumed>) = 0 [pid 5611] exit_group(0 [pid 5070] fstat(3, [pid 5068] <... umount2 resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5613] <... exit_group resumed>) = ? [pid 5612] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5611] <... exit_group resumed>) = ? [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] lstat("./85/file0", [pid 5613] +++ exited with 0 +++ [pid 5612] <... openat resumed>) = 3 [pid 5611] +++ exited with 0 +++ [pid 5070] getdents64(3, [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5612] chdir("./file0" [pid 5070] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5612] <... chdir resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5611, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5613, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5070] umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] lstat("./86/file0", [pid 5067] umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5612] ioctl(4, LOOP_CLR_FD [pid 5072] restart_syscall(<... resuming interrupted clone ...> [pid 5071] restart_syscall(<... resuming interrupted clone ...> [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5612] <... ioctl resumed>) = 0 [pid 5072] <... restart_syscall resumed>) = 0 [pid 5071] <... restart_syscall resumed>) = 0 [pid 5070] lstat("./88/binderfs", [pid 5068] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5612] close(4 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./85/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5612] <... close resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./86/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... openat resumed>) = 4 [pid 5612] exit_group(0 [pid 5072] umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] unlink("./88/binderfs" [pid 5068] <... openat resumed>) = 4 [pid 5612] <... exit_group resumed>) = ? [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... unlink resumed>) = 0 [pid 5067] fstat(4, [pid 5068] fstat(4, [pid 5612] +++ exited with 0 +++ [pid 5072] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... openat resumed>) = 3 [pid 5070] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5071] fstat(3, [pid 5068] getdents64(4, [pid 5067] getdents64(4, [pid 5072] fstat(3, [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5612, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- [pid 5068] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, [pid 5070] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5068] getdents64(4, [pid 5067] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(3, [pid 5071] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... restart_syscall resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] close(4 [pid 5067] getdents64(4, [pid 5072] umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./88/file0", [pid 5068] <... close resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5071] lstat("./88/binderfs", [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] rmdir("./86/file0" [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5067] close(4 [pid 5072] lstat("./89/binderfs", [pid 5071] unlink("./88/binderfs" [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] <... unlink resumed>) = 0 [pid 5070] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] getdents64(3, [pid 5067] rmdir("./85/file0" [pid 5072] unlink("./89/binderfs" [pid 5071] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5072] <... unlink resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./88/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... openat resumed>) = 3 [pid 5068] close(3 [pid 5067] getdents64(3, [pid 5072] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... openat resumed>) = 4 [pid 5069] fstat(3, [pid 5068] <... close resumed>) = 0 [pid 5067] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5070] fstat(4, [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] rmdir("./86" [pid 5067] close(3 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(3, [pid 5071] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] getdents64(4, [pid 5069] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5069] umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] getdents64(4, [pid 5068] mkdir("./87", 0777 [pid 5067] rmdir("./85" [pid 5070] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... mkdir resumed>) = 0 [pid 5071] lstat("./88/file0", [pid 5070] close(4 [pid 5069] lstat("./87/binderfs", [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5067] <... rmdir resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] rmdir("./88/file0" [pid 5068] <... openat resumed>) = 3 [pid 5069] unlink("./87/binderfs" [pid 5067] mkdir("./86", 0777 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 5067] <... mkdir resumed>) = 0 [pid 5070] getdents64(3, [pid 5069] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5070] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5070] close(3 [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5067] <... openat resumed>) = 3 [pid 5071] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./88/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5071] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(4, 0x555556583660 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, 0x555556583660 /* 0 entries */, 32768) = 0 [pid 5070] <... close resumed>) = 0 [pid 5068] close(3 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5070] rmdir("./88" [pid 5068] <... close resumed>) = 0 [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] close(4 [pid 5072] <... umount2 resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] close(3 [pid 5070] mkdir("./89", 0777 [pid 5071] rmdir("./88/file0") = 0 [pid 5067] <... close resumed>) = 0 [pid 5071] getdents64(3, [pid 5070] <... mkdir resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5614 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5071] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5067] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5615 [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5071] rmdir("./88" [pid 5070] close(3 [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] mkdir("./89", 0777./strace-static-x86_64: Process 5614 attached ) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5616 [pid 5614] chdir("./87" [pid 5072] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5614] <... chdir resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... openat resumed>) = 3 [pid 5614] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] lstat("./89/file0", [pid 5071] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5615 attached ./strace-static-x86_64: Process 5616 attached [pid 5614] <... prctl resumed>) = 0 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5616] chdir("./89" [pid 5614] setpgid(0, 0 [pid 5072] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] close(3 [pid 5616] <... chdir resumed>) = 0 [pid 5615] chdir("./86" [pid 5614] <... setpgid resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... close resumed>) = 0 [pid 5616] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] openat(AT_FDCWD, "./89/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5615] <... chdir resumed>) = 0 [pid 5616] <... prctl resumed>) = 0 [pid 5614] <... openat resumed>) = 3 [pid 5072] <... openat resumed>) = 4 [pid 5069] <... umount2 resumed>) = 0 [pid 5616] setpgid(0, 0 [pid 5614] write(3, "1000", 4 [pid 5072] fstat(4, [pid 5071] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5617 [pid 5616] <... setpgid resumed>) = 0 [pid 5614] <... write resumed>) = 4 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5614] close(3 [pid 5072] getdents64(4, [pid 5616] <... openat resumed>) = 3 [pid 5615] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5614] <... close resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5069] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5616] write(3, "1000", 4 [pid 5615] <... prctl resumed>) = 0 [pid 5614] symlink("/dev/binderfs", "./binderfs" [pid 5072] getdents64(4, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5616] <... write resumed>) = 4 [pid 5615] setpgid(0, 0 [pid 5614] <... symlink resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5069] lstat("./87/file0", ./strace-static-x86_64: Process 5617 attached [pid 5616] close(3 [pid 5615] <... setpgid resumed>) = 0 [pid 5614] memfd_create("syzkaller", 0 [pid 5072] close(4 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5617] chdir("./89" [pid 5616] <... close resumed>) = 0 [pid 5615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5614] <... memfd_create resumed>) = 3 [pid 5072] <... close resumed>) = 0 [pid 5069] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5617] <... chdir resumed>) = 0 [pid 5616] symlink("/dev/binderfs", "./binderfs" [pid 5615] <... openat resumed>) = 3 [pid 5614] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] rmdir("./89/file0" [pid 5617] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5616] <... symlink resumed>) = 0 [pid 5615] write(3, "1000", 4 [pid 5614] <... mmap resumed>) = 0x7fdf55e96000 [pid 5072] <... rmdir resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5617] <... prctl resumed>) = 0 [pid 5616] memfd_create("syzkaller", 0 [pid 5615] <... write resumed>) = 4 [pid 5072] getdents64(3, [pid 5617] setpgid(0, 0 [pid 5616] <... memfd_create resumed>) = 3 [pid 5615] close(3 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5069] openat(AT_FDCWD, "./87/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5617] <... setpgid resumed>) = 0 [pid 5616] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5615] <... close resumed>) = 0 [pid 5072] close(3 [pid 5617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5616] <... mmap resumed>) = 0x7fdf55e96000 [pid 5072] <... close resumed>) = 0 [pid 5069] <... openat resumed>) = 4 [pid 5617] <... openat resumed>) = 3 [pid 5615] symlink("/dev/binderfs", "./binderfs" [pid 5072] rmdir("./89" [pid 5069] fstat(4, [pid 5617] write(3, "1000", 4 [pid 5615] <... symlink resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5617] <... write resumed>) = 4 [pid 5072] mkdir("./90", 0777 [pid 5617] close(3 [pid 5615] memfd_create("syzkaller", 0 [pid 5072] <... mkdir resumed>) = 0 [pid 5069] getdents64(4, [pid 5617] <... close resumed>) = 0 [pid 5615] <... memfd_create resumed>) = 3 [pid 5072] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5617] symlink("/dev/binderfs", "./binderfs" [pid 5615] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] <... openat resumed>) = 3 [pid 5069] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5617] <... symlink resumed>) = 0 [pid 5615] <... mmap resumed>) = 0x7fdf55e96000 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5069] getdents64(4, [pid 5617] memfd_create("syzkaller", 0 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5617] <... memfd_create resumed>) = 3 [pid 5072] close(3 [pid 5069] close(4 [pid 5617] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] <... close resumed>) = 0 [pid 5617] <... mmap resumed>) = 0x7fdf55e96000 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... close resumed>) = 0 [pid 5069] rmdir("./87/file0" [pid 5072] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5618 [pid 5069] <... rmdir resumed>) = 0 [pid 5069] getdents64(3, 0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5069] close(3./strace-static-x86_64: Process 5618 attached ) = 0 [pid 5618] chdir("./90" [pid 5069] rmdir("./87" [pid 5618] <... chdir resumed>) = 0 [pid 5618] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5618] setpgid(0, 0) = 0 [pid 5618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5618] write(3, "1000", 4) = 4 [pid 5069] <... rmdir resumed>) = 0 [pid 5618] close(3 [pid 5616] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5069] mkdir("./88", 0777 [pid 5618] <... close resumed>) = 0 [pid 5614] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5618] symlink("/dev/binderfs", "./binderfs" [pid 5069] <... mkdir resumed>) = 0 [pid 5618] <... symlink resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5618] memfd_create("syzkaller", 0) = 3 [pid 5069] <... openat resumed>) = 3 [pid 5618] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5615] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] close(3) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555657a5d0) = 5619 ./strace-static-x86_64: Process 5619 attached [pid 5619] chdir("./88" [pid 5617] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5619] <... chdir resumed>) = 0 [pid 5619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5619] setpgid(0, 0) = 0 [pid 5618] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5615] <... write resumed>) = 2097152 [pid 5614] <... write resumed>) = 2097152 [pid 5619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5615] munmap(0x7fdf55e96000, 2097152 [pid 5614] munmap(0x7fdf55e96000, 2097152 [pid 5619] <... openat resumed>) = 3 [pid 5614] <... munmap resumed>) = 0 [pid 5619] write(3, "1000", 4) = 4 [pid 5619] close(3 [pid 5614] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5619] <... close resumed>) = 0 [pid 5619] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5614] <... openat resumed>) = 4 [pid 5619] memfd_create("syzkaller", 0) = 3 [pid 5614] ioctl(4, LOOP_SET_FD, 3 [pid 5619] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 [pid 5615] <... munmap resumed>) = 0 [pid 5615] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5615] ioctl(4, LOOP_SET_FD, 3 [pid 5617] <... write resumed>) = 2097152 [pid 5617] munmap(0x7fdf55e96000, 2097152 [pid 5616] <... write resumed>) = 2097152 [pid 5614] <... ioctl resumed>) = 0 [pid 5615] <... ioctl resumed>) = 0 [pid 5617] <... munmap resumed>) = 0 [pid 5616] munmap(0x7fdf55e96000, 2097152 [pid 5615] close(3 [pid 5614] close(3) = 0 [pid 5617] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5614] mkdir("./file0", 0777 [pid 5617] <... openat resumed>) = 4 [pid 5615] <... close resumed>) = 0 [pid 5617] ioctl(4, LOOP_SET_FD, 3 [ 106.500722][ T5614] loop1: detected capacity change from 0 to 4096 [ 106.518275][ T5615] loop0: detected capacity change from 0 to 4096 [pid 5614] <... mkdir resumed>) = 0 [pid 5615] mkdir("./file0", 0777 [pid 5616] <... munmap resumed>) = 0 [pid 5614] mount("/dev/loop1", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5616] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5615] <... mkdir resumed>) = 0 [pid 5616] <... openat resumed>) = 4 [pid 5615] mount("/dev/loop0", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5618] <... write resumed>) = 2097152 [pid 5617] <... ioctl resumed>) = 0 [pid 5617] close(3) = 0 [pid 5617] mkdir("./file0", 0777) = 0 [pid 5618] munmap(0x7fdf55e96000, 2097152 [pid 5617] mount("/dev/loop4", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5616] ioctl(4, LOOP_SET_FD, 3 [pid 5618] <... munmap resumed>) = 0 [pid 5618] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [ 106.545837][ T5617] loop4: detected capacity change from 0 to 4096 [ 106.555791][ T5614] ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) [ 106.564829][ T5617] ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512) [ 106.575852][ T5615] ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) [ 106.575953][ T5616] loop3: detected capacity change from 0 to 4096 [pid 5618] ioctl(4, LOOP_SET_FD, 3 [pid 5619] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5616] <... ioctl resumed>) = 0 [pid 5616] close(3) = 0 [pid 5616] mkdir("./file0", 0777) = 0 [pid 5616] mount("/dev/loop3", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5618] <... ioctl resumed>) = 0 [pid 5618] close(3) = 0 [pid 5618] mkdir("./file0", 0777) = 0 [pid 5618] mount("/dev/loop5", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5617] <... mount resumed>) = 0 [pid 5617] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5617] chdir("./file0") = 0 [pid 5617] ioctl(4, LOOP_CLR_FD) = 0 [pid 5617] close(4) = 0 [pid 5617] exit_group(0) = ? [pid 5619] <... write resumed>) = 2097152 [pid 5619] munmap(0x7fdf55e96000, 2097152 [pid 5617] +++ exited with 0 +++ [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5617, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=5 /* 0.05 s */} --- [pid 5619] <... munmap resumed>) = 0 [pid 5071] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5071] umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5614] <... mount resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5619] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5071] fstat(3, [pid 5619] <... openat resumed>) = 4 [pid 5615] <... mount resumed>) = 0 [pid 5614] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5619] ioctl(4, LOOP_SET_FD, 3 [pid 5615] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5614] <... openat resumed>) = 3 [ 106.588256][ T5618] loop5: detected capacity change from 0 to 4096 [ 106.606562][ T5616] ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) [ 106.624796][ T5618] ntfs3: loop5: Different NTFS' sector size (1024) and media sector size (512) [pid 5071] getdents64(3, [pid 5615] <... openat resumed>) = 3 [pid 5614] chdir("./file0" [pid 5615] chdir("./file0" [pid 5614] <... chdir resumed>) = 0 [pid 5615] <... chdir resumed>) = 0 [pid 5614] ioctl(4, LOOP_CLR_FD [pid 5619] <... ioctl resumed>) = 0 [pid 5615] ioctl(4, LOOP_CLR_FD [pid 5614] <... ioctl resumed>) = 0 [pid 5071] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5619] close(3 [pid 5616] <... mount resumed>) = 0 [pid 5615] <... ioctl resumed>) = 0 [pid 5614] close(4 [pid 5071] umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5619] <... close resumed>) = 0 [pid 5616] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5615] close(4 [pid 5614] <... close resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5619] mkdir("./file0", 0777 [pid 5616] <... openat resumed>) = 3 [pid 5071] lstat("./89/binderfs", [pid 5619] <... mkdir resumed>) = 0 [pid 5616] chdir("./file0" [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5619] mount("/dev/loop2", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5616] <... chdir resumed>) = 0 [pid 5071] unlink("./89/binderfs" [pid 5616] ioctl(4, LOOP_CLR_FD [pid 5615] <... close resumed>) = 0 [pid 5614] exit_group(0 [pid 5071] <... unlink resumed>) = 0 [pid 5616] <... ioctl resumed>) = 0 [pid 5071] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5616] close(4 [pid 5615] exit_group(0 [pid 5614] <... exit_group resumed>) = ? [pid 5616] <... close resumed>) = 0 [pid 5615] <... exit_group resumed>) = ? [pid 5616] exit_group(0) = ? [pid 5616] +++ exited with 0 +++ [pid 5614] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5616, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5615] +++ exited with 0 +++ [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5614, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=5 /* 0.05 s */} --- [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5615, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5068] umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5618] <... mount resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5618] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... openat resumed>) = 3 [pid 5618] <... openat resumed>) = 3 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] fstat(3, [pid 5618] chdir("./file0" [pid 5071] <... umount2 resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5618] <... chdir resumed>) = 0 [pid 5071] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... openat resumed>) = 3 [pid 5068] getdents64(3, [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5618] ioctl(4, LOOP_CLR_FD [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] fstat(3, [pid 5068] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5067] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5618] <... ioctl resumed>) = 0 [pid 5071] lstat("./89/file0", [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... openat resumed>) = 3 [pid 5618] close(4 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(3, [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] fstat(3, [ 106.666063][ T5619] loop2: detected capacity change from 0 to 4096 [ 106.688135][ T5619] ntfs3: loop2: Different NTFS' sector size (1024) and media sector size (512) [pid 5618] <... close resumed>) = 0 [pid 5071] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5068] lstat("./87/binderfs", [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5618] exit_group(0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5067] getdents64(3, [pid 5618] <... exit_group resumed>) = ? [pid 5071] openat(AT_FDCWD, "./89/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] unlink("./87/binderfs" [pid 5067] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5618] +++ exited with 0 +++ [pid 5071] <... openat resumed>) = 4 [pid 5070] lstat("./89/binderfs", [pid 5068] <... unlink resumed>) = 0 [pid 5067] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5618, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5071] fstat(4, [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] unlink("./89/binderfs" [pid 5067] lstat("./86/binderfs", [pid 5071] getdents64(4, [pid 5070] <... unlink resumed>) = 0 [pid 5067] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5619] <... mount resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5070] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] unlink("./86/binderfs" [pid 5619] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] getdents64(4, [pid 5067] <... unlink resumed>) = 0 [pid 5619] <... openat resumed>) = 3 [pid 5071] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5067] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./90", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] close(4 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... close resumed>) = 0 [pid 5619] chdir("./file0" [pid 5072] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5619] <... chdir resumed>) = 0 [pid 5071] rmdir("./89/file0" [pid 5619] ioctl(4, LOOP_CLR_FD [pid 5072] <... openat resumed>) = 3 [pid 5071] <... rmdir resumed>) = 0 [pid 5619] <... ioctl resumed>) = 0 [pid 5072] fstat(3, [pid 5071] getdents64(3, [pid 5619] close(4 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5619] <... close resumed>) = 0 [pid 5072] getdents64(3, [pid 5071] close(3 [pid 5619] exit_group(0 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5071] <... close resumed>) = 0 [pid 5619] <... exit_group resumed>) = ? [pid 5072] umount2("./90/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] rmdir("./89" [pid 5068] <... umount2 resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... rmdir resumed>) = 0 [pid 5072] lstat("./90/binderfs", [pid 5071] mkdir("./90", 0777 [pid 5068] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5619] +++ exited with 0 +++ [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] unlink("./90/binderfs" [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5619, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=5 /* 0.05 s */} --- [pid 5072] <... unlink resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5068] lstat("./87/file0", [pid 5072] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] close(3 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] <... close resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5620 attached [pid 5070] <... umount2 resumed>) = 0 [pid 5069] fstat(3, [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = 0 [pid 5620] chdir("./90" [pid 5071] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5620 [pid 5070] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] openat(AT_FDCWD, "./87/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5620] <... chdir resumed>) = 0 [pid 5070] lstat("./89/file0", [pid 5069] getdents64(3, [pid 5068] <... openat resumed>) = 4 [pid 5067] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5620] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] fstat(4, [pid 5620] <... prctl resumed>) = 0 [pid 5070] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5620] setpgid(0, 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] lstat("./86/file0", [pid 5620] <... setpgid resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./89/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] getdents64(4, [pid 5067] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5070] <... openat resumed>) = 4 [pid 5069] lstat("./88/binderfs", [pid 5068] getdents64(4, [pid 5620] <... openat resumed>) = 3 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] fstat(4, [pid 5069] unlink("./88/binderfs" [pid 5068] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5620] write(3, "1000", 4 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5620] <... write resumed>) = 4 [pid 5070] getdents64(4, [pid 5069] <... unlink resumed>) = 0 [pid 5068] close(4 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5620] close(3 [pid 5070] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5069] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... close resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./86/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5620] <... close resumed>) = 0 [pid 5070] getdents64(4, [pid 5068] rmdir("./87/file0" [pid 5067] <... openat resumed>) = 4 [pid 5067] fstat(4, [pid 5620] symlink("/dev/binderfs", "./binderfs" [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] getdents64(3, [pid 5070] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5068] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5070] close(4) = 0 [pid 5068] close(3) = 0 [pid 5070] rmdir("./89/file0") = 0 [pid 5068] rmdir("./87") = 0 [pid 5070] getdents64(3, 0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5068] mkdir("./88", 0777 [pid 5067] getdents64(4, [pid 5620] <... symlink resumed>) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5070] close(3) = 0 [pid 5070] rmdir("./89" [pid 5620] memfd_create("syzkaller", 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5067] getdents64(4, [pid 5620] <... memfd_create resumed>) = 3 [pid 5620] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5067] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5620] <... mmap resumed>) = 0x7fdf55e96000 [pid 5070] mkdir("./90", 0777 [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5067] close(4 [pid 5070] <... mkdir resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5067] <... close resumed>) = 0 [pid 5067] rmdir("./86/file0" [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5070] <... openat resumed>) = 3 [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5067] <... rmdir resumed>) = 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5068] close(3 [pid 5067] getdents64(3, [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5068] <... close resumed>) = 0 [pid 5067] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5067] close(3 [pid 5070] close(3 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... close resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5067] rmdir("./86" [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5621 [pid 5067] <... rmdir resumed>) = 0 [pid 5067] mkdir("./87", 0777 [pid 5070] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5622 [pid 5067] <... mkdir resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5067] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 5622 attached [pid 5067] close(3 [pid 5622] chdir("./90"./strace-static-x86_64: Process 5621 attached ) = 0 [pid 5067] <... close resumed>) = 0 [pid 5622] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5621] chdir("./88" [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5622] <... prctl resumed>) = 0 [pid 5621] <... chdir resumed>) = 0 [pid 5622] setpgid(0, 0 [pid 5621] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5622] <... setpgid resumed>) = 0 [pid 5621] <... prctl resumed>) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5623 [pid 5622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5621] setpgid(0, 0 [pid 5622] <... openat resumed>) = 3 [pid 5621] <... setpgid resumed>) = 0 [pid 5072] <... umount2 resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5622] write(3, "1000", 4 [pid 5621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5623 attached [pid 5622] <... write resumed>) = 4 [pid 5621] <... openat resumed>) = 3 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5623] chdir("./87" [pid 5622] close(3 [pid 5621] write(3, "1000", 4 [pid 5072] lstat("./90/file0", [pid 5069] lstat("./88/file0", [pid 5623] <... chdir resumed>) = 0 [pid 5622] <... close resumed>) = 0 [pid 5621] <... write resumed>) = 4 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5623] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5622] symlink("/dev/binderfs", "./binderfs" [pid 5621] close(3 [pid 5072] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5623] <... prctl resumed>) = 0 [pid 5622] <... symlink resumed>) = 0 [pid 5621] <... close resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5621] symlink("/dev/binderfs", "./binderfs" [pid 5072] openat(AT_FDCWD, "./90/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5623] setpgid(0, 0 [pid 5622] memfd_create("syzkaller", 0 [pid 5621] <... symlink resumed>) = 0 [pid 5072] <... openat resumed>) = 4 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5623] <... setpgid resumed>) = 0 [pid 5622] <... memfd_create resumed>) = 3 [pid 5621] memfd_create("syzkaller", 0 [pid 5072] fstat(4, [pid 5621] <... memfd_create resumed>) = 3 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5621] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] getdents64(4, [pid 5622] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5621] <... mmap resumed>) = 0x7fdf55e96000 [pid 5072] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5069] openat(AT_FDCWD, "./88/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5622] <... mmap resumed>) = 0x7fdf55e96000 [pid 5072] getdents64(4, [pid 5069] <... openat resumed>) = 4 [pid 5623] <... openat resumed>) = 3 [pid 5072] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5069] fstat(4, [pid 5072] close(4) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5623] write(3, "1000", 4 [pid 5072] rmdir("./90/file0" [pid 5069] getdents64(4, [pid 5623] <... write resumed>) = 4 [pid 5072] <... rmdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5623] close(3 [pid 5072] getdents64(3, [pid 5069] getdents64(4, [pid 5623] <... close resumed>) = 0 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5069] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5623] symlink("/dev/binderfs", "./binderfs" [pid 5072] close(3 [pid 5069] close(4 [pid 5623] <... symlink resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 5072] rmdir("./90" [pid 5069] <... close resumed>) = 0 [pid 5623] memfd_create("syzkaller", 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5069] rmdir("./88/file0" [pid 5623] <... memfd_create resumed>) = 3 [pid 5072] mkdir("./91", 0777 [pid 5623] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] <... mkdir resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5623] <... mmap resumed>) = 0x7fdf55e96000 [pid 5072] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5069] getdents64(3, [pid 5072] <... openat resumed>) = 3 [pid 5069] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5069] close(3 [pid 5621] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] <... close resumed>) = 0 [pid 5072] close(3 [pid 5069] rmdir("./88" [pid 5072] <... close resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... rmdir resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5624 [pid 5069] mkdir("./89", 0777) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 ./strace-static-x86_64: Process 5624 attached [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] close(3 [pid 5624] chdir("./91" [pid 5069] <... close resumed>) = 0 [pid 5624] <... chdir resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5624] setpgid(0, 0) = 0 [pid 5624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5069] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5625 [pid 5624] write(3, "1000", 4) = 4 [pid 5624] close(3) = 0 [pid 5624] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5620] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152./strace-static-x86_64: Process 5625 attached [pid 5624] memfd_create("syzkaller", 0 [pid 5625] chdir("./89" [pid 5624] <... memfd_create resumed>) = 3 [pid 5625] <... chdir resumed>) = 0 [pid 5624] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 [pid 5625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5625] setpgid(0, 0) = 0 [pid 5625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5625] write(3, "1000", 4) = 4 [pid 5625] close(3 [pid 5623] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5625] <... close resumed>) = 0 [pid 5625] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5625] memfd_create("syzkaller", 0 [pid 5622] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5625] <... memfd_create resumed>) = 3 [pid 5625] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 [pid 5620] <... write resumed>) = 2097152 [pid 5620] munmap(0x7fdf55e96000, 2097152 [pid 5621] <... write resumed>) = 2097152 [pid 5624] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5621] munmap(0x7fdf55e96000, 2097152 [pid 5620] <... munmap resumed>) = 0 [pid 5620] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5621] <... munmap resumed>) = 0 [pid 5620] <... openat resumed>) = 4 [pid 5620] ioctl(4, LOOP_SET_FD, 3 [pid 5621] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5623] <... write resumed>) = 2097152 [pid 5621] ioctl(4, LOOP_SET_FD, 3 [pid 5625] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5622] <... write resumed>) = 2097152 [pid 5621] <... ioctl resumed>) = 0 [pid 5620] <... ioctl resumed>) = 0 [pid 5622] munmap(0x7fdf55e96000, 2097152 [pid 5620] close(3 [pid 5623] munmap(0x7fdf55e96000, 2097152 [pid 5622] <... munmap resumed>) = 0 [pid 5620] <... close resumed>) = 0 [pid 5622] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5620] mkdir("./file0", 0777 [pid 5622] <... openat resumed>) = 4 [pid 5620] <... mkdir resumed>) = 0 [pid 5622] ioctl(4, LOOP_SET_FD, 3 [ 107.034360][ T5620] loop4: detected capacity change from 0 to 4096 [ 107.049908][ T5621] loop1: detected capacity change from 0 to 4096 [pid 5620] mount("/dev/loop4", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5621] close(3) = 0 [pid 5621] mkdir("./file0", 0777) = 0 [pid 5625] <... write resumed>) = 2097152 [pid 5624] <... write resumed>) = 2097152 [pid 5623] <... munmap resumed>) = 0 [pid 5622] <... ioctl resumed>) = 0 [pid 5621] mount("/dev/loop1", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5625] munmap(0x7fdf55e96000, 2097152 [pid 5624] munmap(0x7fdf55e96000, 2097152 [pid 5623] openat(AT_FDCWD, "/dev/loop0", O_RDWR [ 107.075430][ T5622] loop3: detected capacity change from 0 to 4096 [ 107.083284][ T5620] ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512) [pid 5622] close(3 [pid 5625] <... munmap resumed>) = 0 [pid 5623] <... openat resumed>) = 4 [pid 5622] <... close resumed>) = 0 [pid 5625] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5624] <... munmap resumed>) = 0 [pid 5623] ioctl(4, LOOP_SET_FD, 3 [pid 5622] mkdir("./file0", 0777 [pid 5625] <... openat resumed>) = 4 [pid 5624] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5622] <... mkdir resumed>) = 0 [pid 5625] ioctl(4, LOOP_SET_FD, 3 [pid 5624] <... openat resumed>) = 4 [pid 5622] mount("/dev/loop3", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [ 107.146685][ T5621] ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) [ 107.152470][ T5623] loop0: detected capacity change from 0 to 4096 [ 107.171310][ T5625] loop2: detected capacity change from 0 to 4096 [ 107.180255][ T5622] ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) [pid 5624] ioctl(4, LOOP_SET_FD, 3 [pid 5621] <... mount resumed>) = 0 [pid 5621] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5620] <... mount resumed>) = 0 [pid 5620] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5621] <... openat resumed>) = 3 [pid 5620] <... openat resumed>) = 3 [pid 5620] chdir("./file0" [pid 5621] chdir("./file0" [pid 5625] <... ioctl resumed>) = 0 [pid 5620] <... chdir resumed>) = 0 [pid 5621] <... chdir resumed>) = 0 [pid 5625] close(3 [pid 5620] ioctl(4, LOOP_CLR_FD [pid 5625] <... close resumed>) = 0 [pid 5621] ioctl(4, LOOP_CLR_FD [pid 5620] <... ioctl resumed>) = 0 [pid 5625] mkdir("./file0", 0777 [pid 5621] <... ioctl resumed>) = 0 [pid 5620] close(4 [pid 5625] <... mkdir resumed>) = 0 [pid 5621] close(4 [pid 5620] <... close resumed>) = 0 [pid 5625] mount("/dev/loop2", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5620] exit_group(0 [pid 5621] <... close resumed>) = 0 [pid 5620] <... exit_group resumed>) = ? [pid 5621] exit_group(0 [pid 5620] +++ exited with 0 +++ [pid 5621] <... exit_group resumed>) = ? [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5620, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5624] <... ioctl resumed>) = 0 [pid 5624] close(3 [pid 5071] umount2("./90", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5624] <... close resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5624] mkdir("./file0", 0777 [pid 5071] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5624] <... mkdir resumed>) = 0 [pid 5623] <... ioctl resumed>) = 0 [pid 5621] +++ exited with 0 +++ [pid 5071] <... openat resumed>) = 3 [pid 5624] mount("/dev/loop5", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5623] close(3 [pid 5071] fstat(3, [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5621, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5623] <... close resumed>) = 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5623] mkdir("./file0", 0777 [pid 5071] getdents64(3, [pid 5623] <... mkdir resumed>) = 0 [pid 5071] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5623] mount("/dev/loop0", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [ 107.190938][ T5624] loop5: detected capacity change from 0 to 4096 [ 107.208680][ T5625] ntfs3: loop2: Different NTFS' sector size (1024) and media sector size (512) [ 107.228565][ T5624] ntfs3: loop5: Different NTFS' sector size (1024) and media sector size (512) [pid 5071] umount2("./90/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./90/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./90/binderfs") = 0 [pid 5071] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5068] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] getdents64(3, 0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5068] umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] lstat("./88/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] unlink("./88/binderfs") = 0 [pid 5068] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5622] <... mount resumed>) = 0 [pid 5622] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5622] chdir("./file0") = 0 [pid 5622] ioctl(4, LOOP_CLR_FD) = 0 [pid 5622] close(4) = 0 [pid 5622] exit_group(0) = ? [pid 5622] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5622, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5070] umount2("./90", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5070] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] getdents64(3, 0x55555657b620 /* 4 entries */, 32768) = 112 [ 107.242418][ T5623] ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) [pid 5070] umount2("./90/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5070] lstat("./90/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] unlink("./90/binderfs") = 0 [pid 5070] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5625] <... mount resumed>) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5625] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5625] <... openat resumed>) = 3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5625] chdir("./file0" [pid 5071] lstat("./90/file0", [pid 5625] <... chdir resumed>) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... umount2 resumed>) = 0 [pid 5625] ioctl(4, LOOP_CLR_FD [pid 5071] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5625] <... ioctl resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5625] close(4 [pid 5071] openat(AT_FDCWD, "./90/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] lstat("./90/file0", [pid 5625] <... close resumed>) = 0 [pid 5071] <... openat resumed>) = 4 [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5625] exit_group(0 [pid 5624] <... mount resumed>) = 0 [pid 5071] fstat(4, [pid 5070] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5625] <... exit_group resumed>) = ? [pid 5624] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5623] <... mount resumed>) = 0 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5625] +++ exited with 0 +++ [pid 5624] <... openat resumed>) = 3 [pid 5623] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] getdents64(4, [pid 5070] openat(AT_FDCWD, "./90/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... umount2 resumed>) = 0 [pid 5624] chdir("./file0" [pid 5623] <... openat resumed>) = 3 [pid 5071] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5070] <... openat resumed>) = 4 [pid 5624] <... chdir resumed>) = 0 [pid 5623] chdir("./file0" [pid 5071] getdents64(4, [pid 5070] fstat(4, [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5625, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5624] ioctl(4, LOOP_CLR_FD [pid 5623] <... chdir resumed>) = 0 [pid 5071] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5624] <... ioctl resumed>) = 0 [pid 5623] ioctl(4, LOOP_CLR_FD [pid 5071] close(4 [pid 5070] getdents64(4, [pid 5069] <... restart_syscall resumed>) = 0 [pid 5068] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5624] close(4 [pid 5623] <... ioctl resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5624] <... close resumed>) = 0 [pid 5623] close(4 [pid 5071] rmdir("./90/file0" [pid 5070] getdents64(4, [pid 5068] lstat("./88/file0", [pid 5624] exit_group(0 [pid 5623] <... close resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5069] umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5624] <... exit_group resumed>) = ? [pid 5623] exit_group(0 [pid 5071] getdents64(3, [pid 5070] close(4 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5624] +++ exited with 0 +++ [pid 5623] <... exit_group resumed>) = ? [pid 5071] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5070] <... close resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5623] +++ exited with 0 +++ [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5624, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5071] close(3 [pid 5070] rmdir("./90/file0" [pid 5069] <... openat resumed>) = 3 [pid 5068] openat(AT_FDCWD, "./88/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... close resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] fstat(3, [pid 5068] <... openat resumed>) = 4 [pid 5071] rmdir("./90" [pid 5070] getdents64(3, [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] fstat(4, [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5623, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5072] umount2("./91", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5069] getdents64(3, [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] mkdir("./91", 0777 [pid 5070] close(3 [pid 5069] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5068] getdents64(4, [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] <... mkdir resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5069] umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5067] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... openat resumed>) = 3 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5070] rmdir("./90" [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] getdents64(4, [pid 5067] <... openat resumed>) = 3 [pid 5072] fstat(3, [pid 5071] <... openat resumed>) = 3 [pid 5070] <... rmdir resumed>) = 0 [pid 5069] lstat("./89/binderfs", [pid 5068] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5067] fstat(3, [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5070] mkdir("./91", 0777 [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] close(4 [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] getdents64(3, [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] <... mkdir resumed>) = 0 [pid 5069] unlink("./89/binderfs" [pid 5068] <... close resumed>) = 0 [pid 5067] getdents64(3, [pid 5072] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5071] close(3 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] <... unlink resumed>) = 0 [pid 5068] rmdir("./88/file0" [pid 5067] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5072] umount2("./91/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... close resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5069] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... rmdir resumed>) = 0 [pid 5067] umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5068] getdents64(3, [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./91/binderfs", [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5068] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5067] lstat("./87/binderfs", ./strace-static-x86_64: Process 5626 attached [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5626 [pid 5070] close(3 [pid 5069] <... umount2 resumed>) = 0 [pid 5068] close(3 [pid 5067] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5626] chdir("./91" [pid 5072] unlink("./91/binderfs" [pid 5070] <... close resumed>) = 0 [pid 5069] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... close resumed>) = 0 [pid 5626] <... chdir resumed>) = 0 [pid 5072] <... unlink resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] unlink("./87/binderfs" [pid 5626] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] rmdir("./88"./strace-static-x86_64: Process 5627 attached [pid 5626] <... prctl resumed>) = 0 [pid 5069] lstat("./89/file0", [pid 5067] <... unlink resumed>) = 0 [pid 5626] setpgid(0, 0) = 0 [pid 5626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5626] write(3, "1000", 4) = 4 [pid 5626] close(3) = 0 [pid 5626] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5070] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5627 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5626] memfd_create("syzkaller", 0 [pid 5072] <... umount2 resumed>) = 0 [pid 5626] <... memfd_create resumed>) = 3 [pid 5069] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] mkdir("./89", 0777 [pid 5626] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5626] <... mmap resumed>) = 0x7fdf55e96000 [pid 5068] <... mkdir resumed>) = 0 [pid 5627] chdir("./91" [pid 5069] openat(AT_FDCWD, "./89/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5627] <... chdir resumed>) = 0 [pid 5069] <... openat resumed>) = 4 [pid 5627] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] fstat(4, [pid 5068] <... openat resumed>) = 3 [pid 5067] <... umount2 resumed>) = 0 [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5069] getdents64(4, [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5068] close(3 [pid 5069] getdents64(4, 0x555556583660 /* 0 entries */, 32768) = 0 [pid 5068] <... close resumed>) = 0 [pid 5627] <... prctl resumed>) = 0 [pid 5069] close(4 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... close resumed>) = 0 [pid 5627] setpgid(0, 0 [pid 5069] rmdir("./89/file0" [pid 5627] <... setpgid resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5069] getdents64(3, [pid 5068] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5628 [pid 5069] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] close(3) = 0 [pid 5069] rmdir("./89" [pid 5627] <... openat resumed>) = 3 [pid 5069] <... rmdir resumed>) = 0 [pid 5627] write(3, "1000", 4 [pid 5069] mkdir("./90", 0777 [pid 5627] <... write resumed>) = 4 [pid 5072] umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5627] close(3 [pid 5069] <... mkdir resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5627] <... close resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5627] symlink("/dev/binderfs", "./binderfs" [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5627] <... symlink resumed>) = 0 [pid 5069] close(3) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] lstat("./91/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5629 ./strace-static-x86_64: Process 5628 attached [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] openat(AT_FDCWD, "./91/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5628] chdir("./89" [pid 5067] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5628] <... chdir resumed>) = 0 [pid 5627] memfd_create("syzkaller", 0 [pid 5072] <... openat resumed>) = 4 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5628] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] fstat(4, [pid 5067] lstat("./87/file0", ./strace-static-x86_64: Process 5629 attached [pid 5628] <... prctl resumed>) = 0 [pid 5627] <... memfd_create resumed>) = 3 [pid 5629] chdir("./90" [pid 5628] setpgid(0, 0 [pid 5627] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5629] <... chdir resumed>) = 0 [pid 5628] <... setpgid resumed>) = 0 [pid 5627] <... mmap resumed>) = 0x7fdf55e96000 [pid 5072] getdents64(4, [pid 5067] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] getdents64(4, [pid 5067] openat(AT_FDCWD, "./87/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5629] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5628] <... openat resumed>) = 3 [pid 5072] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5067] <... openat resumed>) = 4 [pid 5629] <... prctl resumed>) = 0 [pid 5628] write(3, "1000", 4 [pid 5072] close(4 [pid 5067] fstat(4, [pid 5629] setpgid(0, 0 [pid 5628] <... write resumed>) = 4 [pid 5072] <... close resumed>) = 0 [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5629] <... setpgid resumed>) = 0 [pid 5628] close(3 [pid 5626] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5072] rmdir("./91/file0" [pid 5067] getdents64(4, [pid 5629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5628] <... close resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5629] <... openat resumed>) = 3 [pid 5628] symlink("/dev/binderfs", "./binderfs" [pid 5072] getdents64(3, [pid 5067] getdents64(4, [pid 5629] write(3, "1000", 4 [pid 5628] <... symlink resumed>) = 0 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5067] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5629] <... write resumed>) = 4 [pid 5072] close(3 [pid 5067] close(4 [pid 5072] <... close resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5629] close(3 [pid 5628] memfd_create("syzkaller", 0 [pid 5072] rmdir("./91" [pid 5067] rmdir("./87/file0" [pid 5629] <... close resumed>) = 0 [pid 5628] <... memfd_create resumed>) = 3 [pid 5072] <... rmdir resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5629] symlink("/dev/binderfs", "./binderfs" [pid 5628] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] mkdir("./92", 0777 [pid 5067] getdents64(3, [pid 5629] <... symlink resumed>) = 0 [pid 5628] <... mmap resumed>) = 0x7fdf55e96000 [pid 5072] <... mkdir resumed>) = 0 [pid 5067] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5067] close(3 [pid 5629] memfd_create("syzkaller", 0 [pid 5072] <... openat resumed>) = 3 [pid 5067] <... close resumed>) = 0 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5067] rmdir("./87" [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5067] <... rmdir resumed>) = 0 [pid 5629] <... memfd_create resumed>) = 3 [pid 5072] close(3 [pid 5067] mkdir("./88", 0777 [pid 5629] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] <... close resumed>) = 0 [pid 5067] <... mkdir resumed>) = 0 [pid 5629] <... mmap resumed>) = 0x7fdf55e96000 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5072] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5630 [pid 5067] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5067] close(3) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555657a5d0) = 5631 ./strace-static-x86_64: Process 5630 attached [pid 5630] chdir("./92") = 0 ./strace-static-x86_64: Process 5631 attached [pid 5630] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5631] chdir("./88" [pid 5630] <... prctl resumed>) = 0 [pid 5631] <... chdir resumed>) = 0 [pid 5630] setpgid(0, 0 [pid 5631] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5630] <... setpgid resumed>) = 0 [pid 5631] <... prctl resumed>) = 0 [pid 5630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5631] setpgid(0, 0 [pid 5630] <... openat resumed>) = 3 [pid 5631] <... setpgid resumed>) = 0 [pid 5630] write(3, "1000", 4 [pid 5631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5630] <... write resumed>) = 4 [pid 5631] <... openat resumed>) = 3 [pid 5630] close(3 [pid 5631] write(3, "1000", 4 [pid 5630] <... close resumed>) = 0 [pid 5631] <... write resumed>) = 4 [pid 5630] symlink("/dev/binderfs", "./binderfs" [pid 5631] close(3 [pid 5630] <... symlink resumed>) = 0 [pid 5631] <... close resumed>) = 0 [pid 5630] memfd_create("syzkaller", 0 [pid 5631] symlink("/dev/binderfs", "./binderfs" [pid 5630] <... memfd_create resumed>) = 3 [pid 5631] <... symlink resumed>) = 0 [pid 5630] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5631] memfd_create("syzkaller", 0 [pid 5630] <... mmap resumed>) = 0x7fdf55e96000 [pid 5631] <... memfd_create resumed>) = 3 [pid 5631] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 [pid 5629] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5628] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5627] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5626] <... write resumed>) = 2097152 [pid 5626] munmap(0x7fdf55e96000, 2097152) = 0 [pid 5626] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5626] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5626] close(3) = 0 [pid 5630] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [ 107.601737][ T5626] loop4: detected capacity change from 0 to 4096 [pid 5626] mkdir("./file0", 0777) = 0 [pid 5626] mount("/dev/loop4", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5631] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5629] <... write resumed>) = 2097152 [pid 5628] <... write resumed>) = 2097152 [pid 5627] <... write resumed>) = 2097152 [pid 5629] munmap(0x7fdf55e96000, 2097152 [pid 5628] munmap(0x7fdf55e96000, 2097152 [pid 5627] munmap(0x7fdf55e96000, 2097152) = 0 [pid 5628] <... munmap resumed>) = 0 [pid 5627] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5628] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5627] ioctl(4, LOOP_SET_FD, 3 [pid 5628] <... openat resumed>) = 4 [pid 5628] ioctl(4, LOOP_SET_FD, 3 [pid 5626] <... mount resumed>) = 0 [pid 5626] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5629] <... munmap resumed>) = 0 [pid 5629] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5626] chdir("./file0" [pid 5629] ioctl(4, LOOP_SET_FD, 3 [pid 5626] <... chdir resumed>) = 0 [pid 5626] ioctl(4, LOOP_CLR_FD) = 0 [pid 5626] close(4) = 0 [ 107.665916][ T5626] ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512) [ 107.691070][ T5627] loop3: detected capacity change from 0 to 4096 [ 107.698957][ T5628] loop1: detected capacity change from 0 to 4096 [pid 5626] exit_group(0) = ? [pid 5626] +++ exited with 0 +++ [pid 5627] <... ioctl resumed>) = 0 [pid 5627] close(3) = 0 [pid 5627] mkdir("./file0", 0777) = 0 [pid 5627] mount("/dev/loop3", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5626, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- [pid 5071] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5071] umount2("./91", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, 0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5071] umount2("./91/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./91/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5071] unlink("./91/binderfs") = 0 [ 107.713032][ T5629] loop2: detected capacity change from 0 to 4096 [pid 5071] umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5628] <... ioctl resumed>) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5628] close(3) = 0 [pid 5628] mkdir("./file0", 0777) = 0 [pid 5628] mount("/dev/loop1", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5629] <... ioctl resumed>) = 0 [pid 5071] umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5629] close(3) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5629] mkdir("./file0", 0777 [pid 5071] lstat("./91/file0", [pid 5629] <... mkdir resumed>) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5629] mount("/dev/loop2", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5071] umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./91/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5631] <... write resumed>) = 2097152 [pid 5071] fstat(4, [pid 5631] munmap(0x7fdf55e96000, 2097152 [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5630] <... write resumed>) = 2097152 [pid 5631] <... munmap resumed>) = 0 [pid 5071] getdents64(4, [pid 5631] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5630] munmap(0x7fdf55e96000, 2097152 [pid 5071] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5630] <... munmap resumed>) = 0 [pid 5071] getdents64(4, [pid 5631] <... openat resumed>) = 4 [ 107.744476][ T5627] ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) [ 107.766584][ T5628] ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) [ 107.783520][ T5629] ntfs3: loop2: Different NTFS' sector size (1024) and media sector size (512) [pid 5631] ioctl(4, LOOP_SET_FD, 3 [pid 5630] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5071] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5627] <... mount resumed>) = 0 [pid 5627] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5627] chdir("./file0") = 0 [pid 5071] close(4 [pid 5630] <... openat resumed>) = 4 [pid 5627] ioctl(4, LOOP_CLR_FD [pid 5071] <... close resumed>) = 0 [pid 5631] <... ioctl resumed>) = 0 [pid 5630] ioctl(4, LOOP_SET_FD, 3 [pid 5627] <... ioctl resumed>) = 0 [pid 5071] rmdir("./91/file0" [pid 5631] close(3 [pid 5627] close(4 [pid 5631] <... close resumed>) = 0 [pid 5630] <... ioctl resumed>) = 0 [pid 5627] <... close resumed>) = 0 [pid 5071] <... rmdir resumed>) = 0 [pid 5631] mkdir("./file0", 0777 [pid 5630] close(3 [pid 5071] getdents64(3, [pid 5631] <... mkdir resumed>) = 0 [pid 5630] <... close resumed>) = 0 [pid 5627] exit_group(0 [pid 5071] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5631] mount("/dev/loop0", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5630] mkdir("./file0", 0777 [pid 5627] <... exit_group resumed>) = ? [pid 5071] close(3 [pid 5630] <... mkdir resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5630] mount("/dev/loop5", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [ 107.813170][ T5631] loop0: detected capacity change from 0 to 4096 [ 107.825530][ T5630] loop5: detected capacity change from 0 to 4096 [ 107.848601][ T5631] ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) [pid 5071] rmdir("./91" [pid 5629] <... mount resumed>) = 0 [pid 5627] +++ exited with 0 +++ [pid 5071] <... rmdir resumed>) = 0 [pid 5629] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] mkdir("./92", 0777 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5627, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5629] <... openat resumed>) = 3 [pid 5628] <... mount resumed>) = 0 [pid 5071] <... mkdir resumed>) = 0 [pid 5629] chdir("./file0" [pid 5628] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5629] <... chdir resumed>) = 0 [pid 5628] <... openat resumed>) = 3 [pid 5071] <... openat resumed>) = 3 [pid 5070] umount2("./91", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5629] ioctl(4, LOOP_CLR_FD [pid 5628] chdir("./file0" [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5629] <... ioctl resumed>) = 0 [pid 5628] <... chdir resumed>) = 0 [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5629] close(4 [pid 5628] ioctl(4, LOOP_CLR_FD [pid 5071] close(3 [pid 5070] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5629] <... close resumed>) = 0 [pid 5628] <... ioctl resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5629] exit_group(0 [pid 5628] close(4 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] fstat(3, [pid 5629] <... exit_group resumed>) = ? [pid 5628] <... close resumed>) = 0 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5629] +++ exited with 0 +++ [pid 5628] exit_group(0 [pid 5071] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5632 [pid 5070] getdents64(3, [pid 5628] <... exit_group resumed>) = ? [pid 5628] +++ exited with 0 +++ [pid 5070] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5629, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5070] umount2("./91/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5628, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... restart_syscall resumed>) = 0 [pid 5070] lstat("./91/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] unlink("./91/binderfs" [pid 5069] umount2("./90", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... unlink resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5632 attached [pid 5070] <... umount2 resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5068] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] fstat(3, [pid 5632] chdir("./92" [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... openat resumed>) = 3 [pid 5632] <... chdir resumed>) = 0 [pid 5070] lstat("./91/file0", [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] fstat(3, [pid 5632] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(3, [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5632] <... prctl resumed>) = 0 [ 107.857896][ T5630] ntfs3: loop5: Different NTFS' sector size (1024) and media sector size (512) [pid 5070] umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5632] setpgid(0, 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5068] getdents64(3, [pid 5632] <... setpgid resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./91/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] umount2("./90/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5070] <... openat resumed>) = 4 [pid 5632] <... openat resumed>) = 3 [pid 5070] fstat(4, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5632] write(3, "1000", 4 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] lstat("./90/binderfs", [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5632] <... write resumed>) = 4 [pid 5070] getdents64(4, [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5068] lstat("./89/binderfs", [pid 5632] close(3 [pid 5070] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5069] unlink("./90/binderfs" [pid 5632] <... close resumed>) = 0 [pid 5070] getdents64(4, [pid 5068] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5632] symlink("/dev/binderfs", "./binderfs" [pid 5631] <... mount resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 5068] unlink("./89/binderfs" [pid 5632] <... symlink resumed>) = 0 [pid 5631] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5069] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5631] <... openat resumed>) = 3 [pid 5630] <... mount resumed>) = 0 [pid 5070] close(4 [pid 5068] <... unlink resumed>) = 0 [pid 5631] chdir("./file0" [pid 5630] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5632] memfd_create("syzkaller", 0 [pid 5631] <... chdir resumed>) = 0 [pid 5630] <... openat resumed>) = 3 [pid 5631] ioctl(4, LOOP_CLR_FD [pid 5630] chdir("./file0" [pid 5070] <... close resumed>) = 0 [pid 5068] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5632] <... memfd_create resumed>) = 3 [pid 5631] <... ioctl resumed>) = 0 [pid 5630] <... chdir resumed>) = 0 [pid 5070] rmdir("./91/file0" [pid 5632] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5631] close(4 [pid 5630] ioctl(4, LOOP_CLR_FD [pid 5631] <... close resumed>) = 0 [pid 5631] exit_group(0 [pid 5630] <... ioctl resumed>) = 0 [pid 5070] <... rmdir resumed>) = 0 [pid 5632] <... mmap resumed>) = 0x7fdf55e96000 [pid 5631] <... exit_group resumed>) = ? [pid 5070] getdents64(3, [pid 5631] +++ exited with 0 +++ [pid 5630] close(4 [pid 5070] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5630] <... close resumed>) = 0 [pid 5070] close(3 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5631, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5630] exit_group(0 [pid 5070] <... close resumed>) = 0 [pid 5630] <... exit_group resumed>) = ? [pid 5070] rmdir("./91" [pid 5630] +++ exited with 0 +++ [pid 5068] <... umount2 resumed>) = 0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5630, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=5 /* 0.05 s */} --- [pid 5070] <... rmdir resumed>) = 0 [pid 5067] umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./92", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] mkdir("./92", 0777 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... mkdir resumed>) = 0 [pid 5072] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5072] <... openat resumed>) = 3 [pid 5067] <... openat resumed>) = 3 [pid 5072] fstat(3, [pid 5070] <... openat resumed>) = 3 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] fstat(3, [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5072] getdents64(3, [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5072] umount2("./92/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] getdents64(3, [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] lstat("./92/binderfs", [pid 5067] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5070] close(3 [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] <... close resumed>) = 0 [pid 5067] umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] unlink("./92/binderfs" [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... unlink resumed>) = 0 [pid 5067] lstat("./88/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] umount2("./92/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] unlink("./88/binderfs") = 0 [pid 5067] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] lstat("./89/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./89/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5068] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] getdents64(4, 0x555556583660 /* 2 entries */, 32768) = 48 [pid 5068] getdents64(4, 0x555556583660 /* 0 entries */, 32768) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5633 [pid 5068] close(4 [pid 5072] <... umount2 resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5069] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... close resumed>) = 0 [pid 5068] rmdir("./89/file0" [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] lstat("./90/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5068] getdents64(3, 0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5069] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] close(3 [pid 5069] openat(AT_FDCWD, "./90/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... close resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... openat resumed>) = 4 [pid 5068] rmdir("./89" [pid 5069] fstat(4, [pid 5072] umount2("./92/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] lstat("./88/file0", [pid 5069] getdents64(4, [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5067] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5633 attached [pid 5072] lstat("./92/file0", [pid 5069] getdents64(4, [pid 5067] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5633] chdir("./92" [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5633] <... chdir resumed>) = 0 [pid 5072] umount2("./92/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5633] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] close(4 [pid 5068] mkdir("./90", 0777 [pid 5067] openat(AT_FDCWD, "./88/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5633] <... prctl resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... close resumed>) = 0 [pid 5633] setpgid(0, 0 [pid 5072] openat(AT_FDCWD, "./92/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] rmdir("./90/file0" [pid 5068] <... mkdir resumed>) = 0 [pid 5067] <... openat resumed>) = 4 [pid 5633] <... setpgid resumed>) = 0 [pid 5072] <... openat resumed>) = 4 [pid 5633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5633] <... openat resumed>) = 3 [pid 5072] fstat(4, [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5067] fstat(4, [pid 5633] write(3, "1000", 4) = 4 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5633] close(3 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(3, [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5633] <... close resumed>) = 0 [pid 5072] getdents64(4, [pid 5069] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5067] getdents64(4, [pid 5633] symlink("/dev/binderfs", "./binderfs" [pid 5072] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5069] close(3 [pid 5068] close(3 [pid 5633] <... symlink resumed>) = 0 [pid 5632] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5072] getdents64(4, [pid 5069] <... close resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5633] memfd_create("syzkaller", 0 [pid 5072] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5069] rmdir("./90" [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] getdents64(4, [pid 5633] <... memfd_create resumed>) = 3 [pid 5072] close(4 [pid 5069] <... rmdir resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5633] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] <... close resumed>) = 0 [pid 5069] mkdir("./91", 0777 [pid 5067] close(4 [pid 5633] <... mmap resumed>) = 0x7fdf55e96000 [pid 5072] rmdir("./92/file0" [pid 5069] <... mkdir resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5634 [pid 5067] <... close resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5067] rmdir("./88/file0" [pid 5072] getdents64(3, [pid 5069] <... openat resumed>) = 3 [pid 5067] <... rmdir resumed>) = 0 [pid 5072] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5067] getdents64(3, [pid 5072] close(3 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5067] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5072] <... close resumed>) = 0 [pid 5069] close(3 [pid 5067] close(3 [pid 5072] rmdir("./92" [pid 5069] <... close resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5072] <... rmdir resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] rmdir("./88" [pid 5072] mkdir("./93", 0777 [pid 5067] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5634 attached [pid 5072] <... mkdir resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5635 [pid 5067] mkdir("./89", 0777 [pid 5634] chdir("./90" [pid 5072] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5067] <... mkdir resumed>) = 0 [pid 5634] <... chdir resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5067] <... openat resumed>) = 3 [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5072] close(3 [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5072] <... close resumed>) = 0 [pid 5067] close(3./strace-static-x86_64: Process 5635 attached [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... close resumed>) = 0 [pid 5635] chdir("./91" [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5635] <... chdir resumed>) = 0 [pid 5634] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5636 [pid 5635] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5634] <... prctl resumed>) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5637 [pid 5635] <... prctl resumed>) = 0 [pid 5634] setpgid(0, 0 [pid 5635] setpgid(0, 0 [pid 5634] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5636 attached [pid 5635] <... setpgid resumed>) = 0 [pid 5634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5636] chdir("./93" [pid 5635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5634] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5637 attached [pid 5636] <... chdir resumed>) = 0 [pid 5635] <... openat resumed>) = 3 [pid 5634] write(3, "1000", 4 [pid 5632] <... write resumed>) = 2097152 [pid 5637] chdir("./89" [pid 5636] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5635] write(3, "1000", 4 [pid 5634] <... write resumed>) = 4 [pid 5637] <... chdir resumed>) = 0 [pid 5636] <... prctl resumed>) = 0 [pid 5635] <... write resumed>) = 4 [pid 5634] close(3 [pid 5637] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5636] setpgid(0, 0 [pid 5635] close(3 [pid 5634] <... close resumed>) = 0 [pid 5637] <... prctl resumed>) = 0 [pid 5636] <... setpgid resumed>) = 0 [pid 5635] <... close resumed>) = 0 [pid 5634] symlink("/dev/binderfs", "./binderfs" [pid 5637] setpgid(0, 0 [pid 5636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5635] symlink("/dev/binderfs", "./binderfs" [pid 5634] <... symlink resumed>) = 0 [pid 5637] <... setpgid resumed>) = 0 [pid 5636] <... openat resumed>) = 3 [pid 5635] <... symlink resumed>) = 0 [pid 5637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5636] write(3, "1000", 4 [pid 5635] memfd_create("syzkaller", 0 [pid 5634] memfd_create("syzkaller", 0 [pid 5637] <... openat resumed>) = 3 [pid 5636] <... write resumed>) = 4 [pid 5635] <... memfd_create resumed>) = 3 [pid 5634] <... memfd_create resumed>) = 3 [pid 5637] write(3, "1000", 4 [pid 5636] close(3 [pid 5635] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5634] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5632] munmap(0x7fdf55e96000, 2097152 [pid 5637] <... write resumed>) = 4 [pid 5636] <... close resumed>) = 0 [pid 5635] <... mmap resumed>) = 0x7fdf55e96000 [pid 5634] <... mmap resumed>) = 0x7fdf55e96000 [pid 5632] <... munmap resumed>) = 0 [pid 5637] close(3 [pid 5636] symlink("/dev/binderfs", "./binderfs" [pid 5633] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5636] <... symlink resumed>) = 0 [pid 5636] memfd_create("syzkaller", 0) = 3 [pid 5632] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5636] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5632] <... openat resumed>) = 4 [pid 5636] <... mmap resumed>) = 0x7fdf55e96000 [pid 5632] ioctl(4, LOOP_SET_FD, 3 [pid 5637] <... close resumed>) = 0 [pid 5632] <... ioctl resumed>) = 0 [pid 5637] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5637] memfd_create("syzkaller", 0) = 3 [pid 5637] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 [pid 5635] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5632] close(3 [pid 5636] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5632] <... close resumed>) = 0 [pid 5632] mkdir("./file0", 0777) = 0 [ 108.128031][ T5632] loop4: detected capacity change from 0 to 4096 [pid 5632] mount("/dev/loop4", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5637] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5633] <... write resumed>) = 2097152 [pid 5633] munmap(0x7fdf55e96000, 2097152) = 0 [pid 5633] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 108.187758][ T5632] ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512) [pid 5633] ioctl(4, LOOP_SET_FD, 3 [pid 5634] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5633] <... ioctl resumed>) = 0 [pid 5633] close(3) = 0 [pid 5633] mkdir("./file0", 0777) = 0 [ 108.228124][ T5633] loop3: detected capacity change from 0 to 4096 [pid 5633] mount("/dev/loop3", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5632] <... mount resumed>) = 0 [pid 5632] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5632] chdir("./file0") = 0 [pid 5632] ioctl(4, LOOP_CLR_FD) = 0 [pid 5632] close(4) = 0 [pid 5632] exit_group(0) = ? [pid 5632] +++ exited with 0 +++ [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5632, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5637] <... write resumed>) = 2097152 [pid 5636] <... write resumed>) = 2097152 [pid 5071] umount2("./92", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5635] <... write resumed>) = 2097152 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5636] munmap(0x7fdf55e96000, 2097152 [pid 5637] munmap(0x7fdf55e96000, 2097152 [pid 5071] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5635] munmap(0x7fdf55e96000, 2097152 [pid 5637] <... munmap resumed>) = 0 [pid 5636] <... munmap resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5071] fstat(3, [pid 5637] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5637] <... openat resumed>) = 4 [pid 5071] getdents64(3, [pid 5636] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5071] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5636] <... openat resumed>) = 4 [pid 5071] umount2("./92/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5637] ioctl(4, LOOP_SET_FD, 3 [ 108.276916][ T5633] ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) [pid 5636] ioctl(4, LOOP_SET_FD, 3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] <... ioctl resumed>) = 0 [pid 5635] <... munmap resumed>) = 0 [pid 5634] <... write resumed>) = 2097152 [pid 5071] lstat("./92/binderfs", [pid 5635] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5634] munmap(0x7fdf55e96000, 2097152 [pid 5071] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5635] <... openat resumed>) = 4 [pid 5634] <... munmap resumed>) = 0 [pid 5071] unlink("./92/binderfs" [pid 5635] ioctl(4, LOOP_SET_FD, 3 [pid 5071] <... unlink resumed>) = 0 [pid 5637] close(3 [pid 5636] <... ioctl resumed>) = 0 [pid 5634] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5637] <... close resumed>) = 0 [pid 5636] close(3 [pid 5634] <... openat resumed>) = 4 [pid 5637] mkdir("./file0", 0777 [pid 5636] <... close resumed>) = 0 [pid 5634] ioctl(4, LOOP_SET_FD, 3 [pid 5637] <... mkdir resumed>) = 0 [pid 5636] mkdir("./file0", 0777 [pid 5635] <... ioctl resumed>) = 0 [pid 5071] umount2("./92/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5635] close(3) = 0 [pid 5635] mkdir("./file0", 0777) = 0 [pid 5635] mount("/dev/loop2", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5637] mount("/dev/loop0", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5636] <... mkdir resumed>) = 0 [pid 5634] <... ioctl resumed>) = 0 [pid 5071] <... umount2 resumed>) = 0 [ 108.329556][ T5637] loop0: detected capacity change from 0 to 4096 [ 108.330562][ T5636] loop5: detected capacity change from 0 to 4096 [ 108.342922][ T5635] loop2: detected capacity change from 0 to 4096 [ 108.349126][ T5634] loop1: detected capacity change from 0 to 4096 [ 108.357254][ T5635] ntfs3: loop2: Different NTFS' sector size (1024) and media sector size (512) [pid 5636] mount("/dev/loop5", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5634] close(3 [pid 5633] <... mount resumed>) = 0 [pid 5634] <... close resumed>) = 0 [pid 5633] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] umount2("./92/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5634] mkdir("./file0", 0777 [pid 5633] <... openat resumed>) = 3 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5633] chdir("./file0" [pid 5071] lstat("./92/file0", [pid 5634] <... mkdir resumed>) = 0 [pid 5633] <... chdir resumed>) = 0 [pid 5071] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5634] mount("/dev/loop1", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5633] ioctl(4, LOOP_CLR_FD [pid 5071] umount2("./92/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5633] <... ioctl resumed>) = 0 [pid 5071] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5633] close(4 [pid 5071] openat(AT_FDCWD, "./92/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5633] <... close resumed>) = 0 [pid 5071] <... openat resumed>) = 4 [pid 5633] exit_group(0 [pid 5071] fstat(4, [pid 5633] <... exit_group resumed>) = ? [pid 5071] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5633] +++ exited with 0 +++ [pid 5071] getdents64(4, [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5633, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=3 /* 0.03 s */} --- [pid 5071] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5071] getdents64(4, 0x555556583660 /* 0 entries */, 32768) = 0 [pid 5071] close(4) = 0 [pid 5071] rmdir("./92/file0") = 0 [pid 5071] getdents64(3, 0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5071] close(3) = 0 [pid 5070] umount2("./92", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5635] <... mount resumed>) = 0 [pid 5071] rmdir("./92" [pid 5635] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] <... rmdir resumed>) = 0 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] mkdir("./93", 0777 [pid 5070] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5637] <... mount resumed>) = 0 [pid 5635] <... openat resumed>) = 3 [pid 5071] <... mkdir resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5635] chdir("./file0" [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5070] fstat(3, [pid 5637] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5635] <... chdir resumed>) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5637] <... openat resumed>) = 3 [pid 5635] ioctl(4, LOOP_CLR_FD [pid 5071] ioctl(3, LOOP_CLR_FD [pid 5070] getdents64(3, [pid 5637] chdir("./file0" [pid 5635] <... ioctl resumed>) = 0 [pid 5071] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5637] <... chdir resumed>) = 0 [pid 5635] close(4 [pid 5071] close(3 [pid 5070] umount2("./92/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5637] ioctl(4, LOOP_CLR_FD [pid 5636] <... mount resumed>) = 0 [pid 5635] <... close resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5637] <... ioctl resumed>) = 0 [pid 5636] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5635] exit_group(0 [pid 5634] <... mount resumed>) = 0 [ 108.371948][ T5637] ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) [ 108.384297][ T5636] ntfs3: loop5: Different NTFS' sector size (1024) and media sector size (512) [ 108.397651][ T5634] ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] close(4 [pid 5636] <... openat resumed>) = 3 [pid 5635] <... exit_group resumed>) = ? [pid 5634] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] lstat("./92/binderfs", [pid 5637] <... close resumed>) = 0 [pid 5636] chdir("./file0" [pid 5071] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5638 [pid 5637] exit_group(0 [pid 5636] <... chdir resumed>) = 0 [pid 5635] +++ exited with 0 +++ [pid 5634] <... openat resumed>) = 3 [pid 5070] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5637] <... exit_group resumed>) = ? [pid 5636] ioctl(4, LOOP_CLR_FD [pid 5634] chdir("./file0" [pid 5070] unlink("./92/binderfs" [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5635, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5637] +++ exited with 0 +++ [pid 5636] <... ioctl resumed>) = 0 [pid 5634] <... chdir resumed>) = 0 [pid 5636] close(4 [pid 5634] ioctl(4, LOOP_CLR_FD [pid 5070] <... unlink resumed>) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5637, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- ./strace-static-x86_64: Process 5638 attached [pid 5636] <... close resumed>) = 0 [pid 5634] <... ioctl resumed>) = 0 [pid 5070] umount2("./92/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5638] chdir("./93" [pid 5636] exit_group(0 [pid 5634] close(4 [pid 5638] <... chdir resumed>) = 0 [pid 5636] <... exit_group resumed>) = ? [pid 5638] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5636] +++ exited with 0 +++ [pid 5069] umount2("./91", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5638] <... prctl resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] setpgid(0, 0 [pid 5069] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5638] <... setpgid resumed>) = 0 [pid 5634] <... close resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5634] exit_group(0 [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5636, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5069] fstat(3, [pid 5638] <... openat resumed>) = 3 [pid 5634] <... exit_group resumed>) = ? [pid 5072] umount2("./93", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5638] write(3, "1000", 4 [pid 5069] getdents64(3, [pid 5638] <... write resumed>) = 4 [pid 5069] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5638] close(3 [pid 5069] umount2("./91/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5638] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] symlink("/dev/binderfs", "./binderfs" [pid 5634] +++ exited with 0 +++ [pid 5069] lstat("./91/binderfs", [pid 5638] <... symlink resumed>) = 0 [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5638] memfd_create("syzkaller", 0 [pid 5072] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] unlink("./91/binderfs" [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5634, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=5 /* 0.05 s */} --- [pid 5067] umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5638] <... memfd_create resumed>) = 3 [pid 5072] <... openat resumed>) = 3 [pid 5069] <... unlink resumed>) = 0 [pid 5068] umount2("./90", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5638] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] fstat(3, [pid 5069] umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5638] <... mmap resumed>) = 0x7fdf55e96000 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... umount2 resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5067] <... openat resumed>) = 3 [pid 5072] getdents64(3, [pid 5068] fstat(3, [pid 5072] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5070] umount2("./92/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] fstat(3, [pid 5072] umount2("./93/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] getdents64(3, [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5072] lstat("./93/binderfs", [pid 5070] lstat("./92/file0", [pid 5068] umount2("./90/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] lstat("./90/binderfs", [pid 5070] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5067] getdents64(3, [pid 5072] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] umount2("./92/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] unlink("./90/binderfs" [pid 5072] unlink("./93/binderfs" [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... unlink resumed>) = 0 [pid 5067] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [pid 5068] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] <... unlink resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./92/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] umount2("./93/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... openat resumed>) = 4 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] fstat(4, [pid 5069] umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] lstat("./89/binderfs", [pid 5070] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] getdents64(4, [pid 5067] unlink("./89/binderfs" [pid 5072] <... umount2 resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = 0 [pid 5070] getdents64(4, [pid 5067] <... unlink resumed>) = 0 [pid 5070] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5069] lstat("./91/file0", [pid 5067] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] close(4 [pid 5069] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... close resumed>) = 0 [pid 5069] umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./91/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5069] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] getdents64(4, 0x555556583660 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, 0x555556583660 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./91/file0") = 0 [pid 5069] getdents64(3, 0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 5069] rmdir("./91") = 0 [pid 5069] mkdir("./92", 0777) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] close(3) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5639 [pid 5068] lstat("./90/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5068] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] rmdir("./92/file0" [pid 5067] <... umount2 resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./90/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... rmdir resumed>) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5070] getdents64(3, [pid 5068] fstat(4, [pid 5070] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5070] close(3 [pid 5068] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] <... close resumed>) = 0 [pid 5638] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5070] rmdir("./92" [pid 5068] getdents64(4, 0x555556583660 /* 2 entries */, 32768) = 48 [pid 5068] getdents64(4, [pid 5070] <... rmdir resumed>) = 0 [pid 5068] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5070] mkdir("./93", 0777 [pid 5068] close(4) = 0 [pid 5068] rmdir("./90/file0"./strace-static-x86_64: Process 5639 attached [pid 5072] umount2("./93/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... mkdir resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] getdents64(3, [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5639] chdir("./92" [pid 5068] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5639] <... chdir resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5068] close(3) = 0 [pid 5068] rmdir("./90" [pid 5639] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] mkdir("./91", 0777 [pid 5639] <... prctl resumed>) = 0 [pid 5072] lstat("./93/file0", [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5068] <... mkdir resumed>) = 0 [pid 5067] lstat("./89/file0", [pid 5068] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5639] setpgid(0, 0 [pid 5072] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] close(3 [pid 5068] <... openat resumed>) = 3 [pid 5067] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5639] <... setpgid resumed>) = 0 [pid 5072] umount2("./93/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... close resumed>) = 0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5067] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5639] <... openat resumed>) = 3 [pid 5068] close(3 [pid 5639] write(3, "1000", 4 [pid 5072] openat(AT_FDCWD, "./93/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... close resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] openat(AT_FDCWD, "./89/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5639] <... write resumed>) = 4 [pid 5072] <... openat resumed>) = 4 [pid 5070] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5640 [pid 5639] close(3 [pid 5072] fstat(4, [pid 5068] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5641 [pid 5067] <... openat resumed>) = 4 [pid 5639] <... close resumed>) = 0 [pid 5072] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5640 attached [pid 5639] symlink("/dev/binderfs", "./binderfs" [pid 5072] getdents64(4, [pid 5067] fstat(4, [pid 5640] chdir("./93" [pid 5639] <... symlink resumed>) = 0 [pid 5072] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5640] <... chdir resumed>) = 0 [pid 5072] getdents64(4, [pid 5067] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5640] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5641 attached ) = 0 [pid 5641] chdir("./91" [pid 5640] setpgid(0, 0 [pid 5639] memfd_create("syzkaller", 0 [pid 5072] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5067] getdents64(4, [pid 5641] <... chdir resumed>) = 0 [pid 5640] <... setpgid resumed>) = 0 [pid 5639] <... memfd_create resumed>) = 3 [pid 5072] close(4 [pid 5641] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5639] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] <... close resumed>) = 0 [pid 5067] <... getdents64 resumed>0x555556583660 /* 2 entries */, 32768) = 48 [pid 5641] <... prctl resumed>) = 0 [pid 5640] <... openat resumed>) = 3 [pid 5072] rmdir("./93/file0" [pid 5641] setpgid(0, 0 [pid 5640] write(3, "1000", 4 [pid 5639] <... mmap resumed>) = 0x7fdf55e96000 [pid 5067] getdents64(4, [pid 5641] <... setpgid resumed>) = 0 [pid 5640] <... write resumed>) = 4 [pid 5072] <... rmdir resumed>) = 0 [pid 5641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5640] close(3 [pid 5641] <... openat resumed>) = 3 [pid 5640] <... close resumed>) = 0 [pid 5072] getdents64(3, [pid 5067] <... getdents64 resumed>0x555556583660 /* 0 entries */, 32768) = 0 [pid 5641] write(3, "1000", 4 [pid 5640] symlink("/dev/binderfs", "./binderfs" [pid 5072] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5067] close(4 [pid 5641] <... write resumed>) = 4 [pid 5640] <... symlink resumed>) = 0 [pid 5072] close(3 [pid 5067] <... close resumed>) = 0 [pid 5641] close(3 [pid 5640] memfd_create("syzkaller", 0 [pid 5072] <... close resumed>) = 0 [pid 5067] rmdir("./89/file0" [pid 5641] <... close resumed>) = 0 [pid 5640] <... memfd_create resumed>) = 3 [pid 5072] rmdir("./93" [pid 5641] symlink("/dev/binderfs", "./binderfs" [pid 5640] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5641] <... symlink resumed>) = 0 [pid 5640] <... mmap resumed>) = 0x7fdf55e96000 [pid 5072] <... rmdir resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5641] memfd_create("syzkaller", 0 [pid 5638] <... write resumed>) = 2097152 [pid 5641] <... memfd_create resumed>) = 3 [pid 5072] mkdir("./94", 0777 [pid 5067] getdents64(3, [pid 5641] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdf55e96000 [pid 5072] <... mkdir resumed>) = 0 [pid 5067] <... getdents64 resumed>0x55555657b620 /* 0 entries */, 32768) = 0 [pid 5067] close(3 [pid 5072] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5067] <... close resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5072] ioctl(3, LOOP_CLR_FD [pid 5067] rmdir("./89" [pid 5072] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5638] munmap(0x7fdf55e96000, 2097152 [pid 5072] close(3 [pid 5067] <... rmdir resumed>) = 0 [pid 5072] <... close resumed>) = 0 [pid 5067] mkdir("./90", 0777 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... mkdir resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5642 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5638] <... munmap resumed>) = 0 [pid 5067] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5642 attached ) = -1 ENXIO (No such device or address) [pid 5067] close(3 [pid 5642] chdir("./94" [pid 5067] <... close resumed>) = 0 [pid 5642] <... chdir resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5638] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5638] ioctl(4, LOOP_SET_FD, 3 [pid 5642] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5639] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5642] <... prctl resumed>) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x55555657a5d0) = 5643 [pid 5642] setpgid(0, 0) = 0 [pid 5642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 5643 attached [pid 5642] write(3, "1000", 4 [pid 5643] chdir("./90" [pid 5642] <... write resumed>) = 4 [pid 5643] <... chdir resumed>) = 0 [pid 5643] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5642] close(3 [pid 5643] <... prctl resumed>) = 0 [pid 5643] setpgid(0, 0 [pid 5642] <... close resumed>) = 0 [pid 5643] <... setpgid resumed>) = 0 [pid 5642] symlink("/dev/binderfs", "./binderfs" [pid 5643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5642] <... symlink resumed>) = 0 [pid 5643] <... openat resumed>) = 3 [pid 5643] write(3, "1000", 4) = 4 [pid 5642] memfd_create("syzkaller", 0 [pid 5643] close(3 [pid 5642] <... memfd_create resumed>) = 3 [pid 5643] <... close resumed>) = 0 [pid 5643] symlink("/dev/binderfs", "./binderfs" [pid 5642] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5643] <... symlink resumed>) = 0 [pid 5642] <... mmap resumed>) = 0x7fdf55e96000 [pid 5641] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5640] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5638] <... ioctl resumed>) = 0 [ 108.663316][ T5638] loop4: detected capacity change from 0 to 4096 [pid 5643] memfd_create("syzkaller", 0 [pid 5638] close(3 [pid 5643] <... memfd_create resumed>) = 3 [pid 5640] <... write resumed>) = 2097152 [pid 5638] <... close resumed>) = 0 [pid 5643] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5641] <... write resumed>) = 2097152 [pid 5640] munmap(0x7fdf55e96000, 2097152 [pid 5638] mkdir("./file0", 0777 [pid 5643] <... mmap resumed>) = 0x7fdf55e96000 [pid 5641] munmap(0x7fdf55e96000, 2097152 [pid 5640] <... munmap resumed>) = 0 [pid 5638] <... mkdir resumed>) = 0 [pid 5639] <... write resumed>) = 2097152 [pid 5639] munmap(0x7fdf55e96000, 2097152 [pid 5641] <... munmap resumed>) = 0 [pid 5638] mount("/dev/loop4", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5640] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5639] <... munmap resumed>) = 0 [pid 5641] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5640] <... openat resumed>) = 4 [pid 5641] <... openat resumed>) = 4 [pid 5640] ioctl(4, LOOP_SET_FD, 3 [pid 5641] ioctl(4, LOOP_SET_FD, 3 [pid 5639] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5639] ioctl(4, LOOP_SET_FD, 3 [pid 5640] <... ioctl resumed>) = 0 [pid 5642] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5640] close(3) = 0 [pid 5640] mkdir("./file0", 0777) = 0 [ 108.772486][ T5638] ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512) [ 108.799176][ T5640] loop3: detected capacity change from 0 to 4096 [ 108.802556][ T5639] loop2: detected capacity change from 0 to 4096 [ 108.806359][ T5641] loop1: detected capacity change from 0 to 4096 [pid 5640] mount("/dev/loop3", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5641] <... ioctl resumed>) = 0 [pid 5641] close(3) = 0 [pid 5641] mkdir("./file0", 0777 [pid 5638] <... mount resumed>) = 0 [pid 5639] <... ioctl resumed>) = 0 [pid 5641] <... mkdir resumed>) = 0 [pid 5638] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5641] mount("/dev/loop1", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5638] <... openat resumed>) = 3 [pid 5643] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\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\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5639] close(3) = 0 [pid 5639] mkdir("./file0", 0777) = 0 [pid 5639] mount("/dev/loop2", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_I_VERSION, "" [pid 5638] chdir("./file0") = 0 [pid 5638] ioctl(4, LOOP_CLR_FD) = 0 [pid 5638] close(4) = 0 [pid 5638] exit_group(0) = ? [pid 5638] +++ exited with 0 +++ [pid 5071] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5638, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=2 /* 0.02 s */} --- [pid 5071] umount2("./93", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5642] <... write resumed>) = 2097152 [pid 5071] <... openat resumed>) = 3 [pid 5642] munmap(0x7fdf55e96000, 2097152 [pid 5071] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] getdents64(3, [pid 5642] <... munmap resumed>) = 0 [pid 5071] <... getdents64 resumed>0x55555657b620 /* 4 entries */, 32768) = 112 [ 108.838210][ T5640] ntfs3: loop3: Different NTFS' sector size (1024) and media sector size (512) [ 108.864575][ T5641] ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) [ 108.869997][ T5639] ntfs3: loop2: Different NTFS' sector size (1024) and media sector size (512) [pid 5071] umount2("./93/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5071] lstat("./93/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5642] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5071] unlink("./93/binderfs" [pid 5642] <... openat resumed>) = 4 [pid 5071] <... unlink resumed>) = 0 [pid 5642] ioctl(4, LOOP_SET_FD, 3 [pid 5640] <... mount resumed>) = 0 [pid 5071] umount2("./93/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5640] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5640] chdir("./file0") = 0 [pid 5640] ioctl(4, LOOP_CLR_FD) = 0 [pid 5640] close(4 [pid 5643] <... write resumed>) = 2097152 [pid 5640] <... close resumed>) = 0 [pid 5640] exit_group(0) = ? [pid 5640] +++ exited with 0 +++ [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5640, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=5 /* 0.05 s */} --- [pid 5643] munmap(0x7fdf55e96000, 2097152 [pid 5641] <... mount resumed>) = 0 [pid 5071] <... umount2 resumed>) = 0 [pid 5641] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5070] umount2("./93", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5643] <... munmap resumed>) = 0 [pid 5642] <... ioctl resumed>) = 0 [pid 5641] <... openat resumed>) = 3 [pid 5070] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5643] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5642] close(3 [pid 5641] chdir("./file0" [pid 5070] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5643] <... openat resumed>) = 4 [pid 5642] <... close resumed>) = 0 [pid 5641] <... chdir resumed>) = 0 [pid 5070] <... openat resumed>) = 3 [pid 5643] ioctl(4, LOOP_SET_FD, 3 [pid 5642] mkdir("./file0", 0777 [ 108.926350][ T5642] loop5: detected capacity change from 0 to 4096 [pid 5641] ioctl(4, LOOP_CLR_FD [pid 5070] fstat(3, [pid 5642] <... mkdir res