./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2035895033 <...> Warning: Permanently added '10.128.1.50' (ED25519) to the list of known hosts. execve("./syz-executor2035895033", ["./syz-executor2035895033"], 0x7ffd17da35a0 /* 10 vars */) = 0 brk(NULL) = 0x555556e8b000 brk(0x555556e8bd00) = 0x555556e8bd00 arch_prctl(ARCH_SET_FS, 0x555556e8b380) = 0 set_tid_address(0x555556e8b650) = 5061 set_robust_list(0x555556e8b660, 24) = 0 rseq(0x555556e8bca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2035895033", 4096) = 28 getrandom("\x0f\xcd\xc7\x6a\x5b\xc9\xef\xd9", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556e8bd00 brk(0x555556eacd00) = 0x555556eacd00 brk(0x555556ead000) = 0x555556ead000 mprotect(0x7f94a014c000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 mkdir("/syzcgroup", 0777) = 0 mkdir("/syzcgroup/unified", 0777) = 0 mount("none", "/syzcgroup/unified", "cgroup2", 0, NULL) = 0 chmod("/syzcgroup/unified", 0777) = 0 [ 78.933282][ T27] audit: type=1400 audit(1699747244.378:83): avc: denied { execmem } for pid=5061 comm="syz-executor203" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 openat(AT_FDCWD, "/syzcgroup/unified/cgroup.subtree_control", O_WRONLY) = 3 write(3, "+cpu", 4) = 4 write(3, "+io", 3) = 3 write(3, "+pids", 5) = 5 close(3) = 0 mkdir("/syzcgroup/net", 0777) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "net") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio") = 0 [ 78.965543][ T27] audit: type=1400 audit(1699747244.408:84): avc: denied { mounton } for pid=5061 comm="syz-executor203" path="/syzcgroup/unified" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 78.989187][ T27] audit: type=1400 audit(1699747244.408:85): avc: denied { mount } for pid=5061 comm="syz-executor203" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 79.025713][ T5061] cgroup: Unknown subsys name 'net' umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "devices") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "blkio") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "freezer") = 0 umount2("/syzcgroup/net", 0) = 0 [ 79.045302][ T27] audit: type=1400 audit(1699747244.488:86): avc: denied { unmount } for pid=5061 comm="syz-executor203" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = 0 chmod("/syzcgroup/net", 0777) = 0 mkdir("/syzcgroup/cpu", 0777) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "hugetlb") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "rlimit") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/cpu", "cgroup", 0, "memory") = 0 umount2("/syzcgroup/cpu", 0) = 0 [ 79.249113][ T5061] cgroup: Unknown subsys name 'rlimit' mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb,memory") = 0 chmod("/syzcgroup/cpu", 0777) = 0 openat(AT_FDCWD, "/syzcgroup/cpu/cgroup.clone_children", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/syzcgroup/cpu/cpuset.memory_pressure_enabled", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 mkdir("./syzkaller.CJvNKd", 0700) = 0 chmod("./syzkaller.CJvNKd", 0777) = 0 chdir("./syzkaller.CJvNKd") = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e8b650) = 5062 ./strace-static-x86_64: Process 5062 attached [pid 5062] set_robust_list(0x555556e8b660, 24) = 0 [pid 5062] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5062] setsid() = 1 [pid 5062] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5062] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5062] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5062] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5062] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5062] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5062] unshare(CLONE_NEWNS) = 0 [pid 5062] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [ 79.423460][ T27] audit: type=1400 audit(1699747244.868:87): avc: denied { mounton } for pid=5062 comm="syz-executor203" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 79.447988][ T27] audit: type=1400 audit(1699747244.868:88): avc: denied { mount } for pid=5062 comm="syz-executor203" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [pid 5062] unshare(CLONE_NEWIPC) = 0 [pid 5062] unshare(CLONE_NEWCGROUP) = 0 [pid 5062] unshare(CLONE_NEWUTS) = 0 [pid 5062] unshare(CLONE_SYSVSEM) = 0 [pid 5062] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5062] write(3, "16777216", 8) = 8 [ 79.501414][ T27] audit: type=1400 audit(1699747244.948:89): avc: denied { mounton } for pid=5062 comm="syz-executor203" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [pid 5062] close(3) = 0 [pid 5062] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5062] write(3, "536870912", 9) = 9 [pid 5062] close(3) = 0 [pid 5062] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5062] write(3, "1024", 4) = 4 [pid 5062] close(3) = 0 [pid 5062] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5062] write(3, "8192", 4) = 4 [pid 5062] close(3) = 0 [pid 5062] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5062] write(3, "1024", 4) = 4 [pid 5062] close(3) = 0 [pid 5062] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5062] write(3, "1024", 4) = 4 [pid 5062] close(3) = 0 [pid 5062] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5062] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5062] close(3) = 0 [pid 5062] getpid() = 1 [pid 5062] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5065] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 2 [pid 5065] <... set_robust_list resumed>) = 0 [pid 5065] chdir("./0") = 0 [pid 5065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5065] setpgid(0, 0) = 0 [pid 5065] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5065] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5065] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5065] write(3, "1000", 4) = 4 [pid 5065] close(3) = 0 [pid 5065] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5065] memfd_create("syzkaller", 0) = 3 [pid 5065] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5065] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5065] munmap(0x7f9497c79000, 138412032) = 0 [pid 5065] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5065] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5065] close(3) = 0 [pid 5065] mkdir("./file0", 0777) = 0 [pid 5065] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5065] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5065] chdir("./file0") = 0 [pid 5065] ioctl(4, LOOP_CLR_FD) = 0 [ 80.167198][ T5065] loop0: detected capacity change from 0 to 4096 [ 80.203148][ T5065] ntfs: volume version 3.1. [pid 5065] close(4) = 0 [pid 5065] creat("./file2", 000) = 4 [pid 5065] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5065] creat("./file2", 000) = 5 [pid 5065] close(3) = 0 [pid 5065] close(4) = 0 [pid 5065] close(5) = 0 [pid 5065] close(6) = -1 EBADF (Bad file descriptor) [pid 5065] close(7) = -1 EBADF (Bad file descriptor) [pid 5065] close(8) = -1 EBADF (Bad file descriptor) [pid 5065] close(9) = -1 EBADF (Bad file descriptor) [pid 5065] close(10) = -1 EBADF (Bad file descriptor) [pid 5065] close(11) = -1 EBADF (Bad file descriptor) [pid 5065] close(12) = -1 EBADF (Bad file descriptor) [pid 5065] close(13) = -1 EBADF (Bad file descriptor) [pid 5065] close(14) = -1 EBADF (Bad file descriptor) [pid 5065] close(15) = -1 EBADF (Bad file descriptor) [pid 5065] close(16) = -1 EBADF (Bad file descriptor) [pid 5065] close(17) = -1 EBADF (Bad file descriptor) [pid 5065] close(18) = -1 EBADF (Bad file descriptor) [pid 5065] close(19) = -1 EBADF (Bad file descriptor) [pid 5065] close(20) = -1 EBADF (Bad file descriptor) [pid 5065] close(21) = -1 EBADF (Bad file descriptor) [pid 5065] close(22) = -1 EBADF (Bad file descriptor) [pid 5065] close(23) = -1 EBADF (Bad file descriptor) [pid 5065] close(24) = -1 EBADF (Bad file descriptor) [pid 5065] close(25) = -1 EBADF (Bad file descriptor) [pid 5065] close(26) = -1 EBADF (Bad file descriptor) [pid 5065] close(27) = -1 EBADF (Bad file descriptor) [pid 5065] close(28) = -1 EBADF (Bad file descriptor) [pid 5065] close(29) = -1 EBADF (Bad file descriptor) [pid 5065] exit_group(0) = ? [pid 5065] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./0/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./0/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./0/cgroup.cpu") = 0 [pid 5062] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./0/binderfs") = 0 [pid 5062] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./0/file0") = 0 [pid 5062] umount2("./0/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./0/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./0/cgroup") = 0 [pid 5062] umount2("./0/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./0/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./0/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./0") = 0 [pid 5062] mkdir("./1", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5066 attached [pid 5066] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 3 [pid 5066] <... set_robust_list resumed>) = 0 [pid 5066] chdir("./1") = 0 [pid 5066] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5066] setpgid(0, 0) = 0 [pid 5066] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5066] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5066] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5066] write(3, "1000", 4) = 4 [pid 5066] close(3) = 0 [pid 5066] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5066] memfd_create("syzkaller", 0) = 3 [pid 5066] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5066] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5066] munmap(0x7f9497c79000, 138412032) = 0 [pid 5066] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5066] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5066] close(3) = 0 [pid 5066] mkdir("./file0", 0777) = 0 [pid 5066] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5066] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5066] chdir("./file0") = 0 [pid 5066] ioctl(4, LOOP_CLR_FD) = 0 [ 80.895931][ T5066] loop0: detected capacity change from 0 to 4096 [ 80.926628][ T5066] ntfs: volume version 3.1. [pid 5066] close(4) = 0 [pid 5066] creat("./file2", 000) = 4 [pid 5066] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5066] creat("./file2", 000) = 5 [pid 5066] close(3) = 0 [pid 5066] close(4) = 0 [pid 5066] close(5) = 0 [pid 5066] close(6) = -1 EBADF (Bad file descriptor) [pid 5066] close(7) = -1 EBADF (Bad file descriptor) [pid 5066] close(8) = -1 EBADF (Bad file descriptor) [pid 5066] close(9) = -1 EBADF (Bad file descriptor) [pid 5066] close(10) = -1 EBADF (Bad file descriptor) [pid 5066] close(11) = -1 EBADF (Bad file descriptor) [pid 5066] close(12) = -1 EBADF (Bad file descriptor) [pid 5066] close(13) = -1 EBADF (Bad file descriptor) [pid 5066] close(14) = -1 EBADF (Bad file descriptor) [pid 5066] close(15) = -1 EBADF (Bad file descriptor) [pid 5066] close(16) = -1 EBADF (Bad file descriptor) [pid 5066] close(17) = -1 EBADF (Bad file descriptor) [pid 5066] close(18) = -1 EBADF (Bad file descriptor) [pid 5066] close(19) = -1 EBADF (Bad file descriptor) [pid 5066] close(20) = -1 EBADF (Bad file descriptor) [pid 5066] close(21) = -1 EBADF (Bad file descriptor) [pid 5066] close(22) = -1 EBADF (Bad file descriptor) [pid 5066] close(23) = -1 EBADF (Bad file descriptor) [pid 5066] close(24) = -1 EBADF (Bad file descriptor) [pid 5066] close(25) = -1 EBADF (Bad file descriptor) [pid 5066] close(26) = -1 EBADF (Bad file descriptor) [pid 5066] close(27) = -1 EBADF (Bad file descriptor) [pid 5066] close(28) = -1 EBADF (Bad file descriptor) [pid 5066] close(29) = -1 EBADF (Bad file descriptor) [pid 5066] exit_group(0) = ? [pid 5066] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./1/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./1/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./1/cgroup.cpu") = 0 [pid 5062] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./1/binderfs") = 0 [pid 5062] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./1/file0") = 0 [pid 5062] umount2("./1/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./1/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./1/cgroup") = 0 [pid 5062] umount2("./1/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./1/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./1/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./1") = 0 [pid 5062] mkdir("./2", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5067 attached , child_tidptr=0x555556e8b650) = 4 [pid 5067] set_robust_list(0x555556e8b660, 24) = 0 [pid 5067] chdir("./2") = 0 [pid 5067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5067] setpgid(0, 0) = 0 [pid 5067] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5067] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5067] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] write(3, "1000", 4) = 4 [pid 5067] close(3) = 0 [pid 5067] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5067] memfd_create("syzkaller", 0) = 3 [pid 5067] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5067] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5067] munmap(0x7f9497c79000, 138412032) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5067] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5067] close(3) = 0 [pid 5067] mkdir("./file0", 0777) = 0 [pid 5067] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5067] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5067] chdir("./file0") = 0 [pid 5067] ioctl(4, LOOP_CLR_FD) = 0 [pid 5067] close(4) = 0 [pid 5067] creat("./file2", 000) = 4 [ 81.535367][ T5067] loop0: detected capacity change from 0 to 4096 [ 81.563757][ T5067] ntfs: volume version 3.1. [pid 5067] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5067] creat("./file2", 000) = 5 [pid 5067] close(3) = 0 [pid 5067] close(4) = 0 [pid 5067] close(5) = 0 [pid 5067] close(6) = -1 EBADF (Bad file descriptor) [pid 5067] close(7) = -1 EBADF (Bad file descriptor) [pid 5067] close(8) = -1 EBADF (Bad file descriptor) [pid 5067] close(9) = -1 EBADF (Bad file descriptor) [pid 5067] close(10) = -1 EBADF (Bad file descriptor) [pid 5067] close(11) = -1 EBADF (Bad file descriptor) [pid 5067] close(12) = -1 EBADF (Bad file descriptor) [pid 5067] close(13) = -1 EBADF (Bad file descriptor) [pid 5067] close(14) = -1 EBADF (Bad file descriptor) [pid 5067] close(15) = -1 EBADF (Bad file descriptor) [pid 5067] close(16) = -1 EBADF (Bad file descriptor) [pid 5067] close(17) = -1 EBADF (Bad file descriptor) [pid 5067] close(18) = -1 EBADF (Bad file descriptor) [pid 5067] close(19) = -1 EBADF (Bad file descriptor) [pid 5067] close(20) = -1 EBADF (Bad file descriptor) [pid 5067] close(21) = -1 EBADF (Bad file descriptor) [pid 5067] close(22) = -1 EBADF (Bad file descriptor) [pid 5067] close(23) = -1 EBADF (Bad file descriptor) [pid 5067] close(24) = -1 EBADF (Bad file descriptor) [pid 5067] close(25) = -1 EBADF (Bad file descriptor) [pid 5067] close(26) = -1 EBADF (Bad file descriptor) [pid 5067] close(27) = -1 EBADF (Bad file descriptor) [pid 5067] close(28) = -1 EBADF (Bad file descriptor) [pid 5067] close(29) = -1 EBADF (Bad file descriptor) [pid 5067] exit_group(0) = ? [pid 5067] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./2/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./2/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./2/cgroup.cpu") = 0 [pid 5062] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./2/binderfs") = 0 [pid 5062] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./2/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./2/file0") = 0 [pid 5062] umount2("./2/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./2/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./2/cgroup") = 0 [pid 5062] umount2("./2/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./2/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./2/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./2") = 0 [pid 5062] mkdir("./3", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5068 attached , child_tidptr=0x555556e8b650) = 5 [pid 5068] set_robust_list(0x555556e8b660, 24) = 0 [pid 5068] chdir("./3") = 0 [pid 5068] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5068] setpgid(0, 0) = 0 [pid 5068] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5068] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5068] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "1000", 4) = 4 [pid 5068] close(3) = 0 [pid 5068] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5068] memfd_create("syzkaller", 0) = 3 [pid 5068] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5068] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5068] munmap(0x7f9497c79000, 138412032) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5068] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5068] close(3) = 0 [pid 5068] mkdir("./file0", 0777) = 0 [ 82.129178][ T5068] loop0: detected capacity change from 0 to 4096 [pid 5068] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5068] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5068] chdir("./file0") = 0 [pid 5068] ioctl(4, LOOP_CLR_FD) = 0 [ 82.194372][ T5068] ntfs: volume version 3.1. [pid 5068] close(4) = 0 [pid 5068] creat("./file2", 000) = 4 [pid 5068] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5068] creat("./file2", 000) = 5 [pid 5068] close(3) = 0 [pid 5068] close(4) = 0 [pid 5068] close(5) = 0 [pid 5068] close(6) = -1 EBADF (Bad file descriptor) [pid 5068] close(7) = -1 EBADF (Bad file descriptor) [pid 5068] close(8) = -1 EBADF (Bad file descriptor) [pid 5068] close(9) = -1 EBADF (Bad file descriptor) [pid 5068] close(10) = -1 EBADF (Bad file descriptor) [pid 5068] close(11) = -1 EBADF (Bad file descriptor) [pid 5068] close(12) = -1 EBADF (Bad file descriptor) [pid 5068] close(13) = -1 EBADF (Bad file descriptor) [pid 5068] close(14) = -1 EBADF (Bad file descriptor) [pid 5068] close(15) = -1 EBADF (Bad file descriptor) [pid 5068] close(16) = -1 EBADF (Bad file descriptor) [pid 5068] close(17) = -1 EBADF (Bad file descriptor) [pid 5068] close(18) = -1 EBADF (Bad file descriptor) [pid 5068] close(19) = -1 EBADF (Bad file descriptor) [pid 5068] close(20) = -1 EBADF (Bad file descriptor) [pid 5068] close(21) = -1 EBADF (Bad file descriptor) [pid 5068] close(22) = -1 EBADF (Bad file descriptor) [pid 5068] close(23) = -1 EBADF (Bad file descriptor) [pid 5068] close(24) = -1 EBADF (Bad file descriptor) [pid 5068] close(25) = -1 EBADF (Bad file descriptor) [pid 5068] close(26) = -1 EBADF (Bad file descriptor) [pid 5068] close(27) = -1 EBADF (Bad file descriptor) [pid 5068] close(28) = -1 EBADF (Bad file descriptor) [pid 5068] close(29) = -1 EBADF (Bad file descriptor) [pid 5068] exit_group(0) = ? [pid 5068] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./3/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./3/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./3/cgroup.cpu") = 0 [pid 5062] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./3/binderfs") = 0 [pid 5062] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./3/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./3/file0") = 0 [pid 5062] umount2("./3/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./3/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./3/cgroup") = 0 [pid 5062] umount2("./3/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./3/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./3/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./3") = 0 [pid 5062] mkdir("./4", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5069 attached [pid 5069] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 6 [pid 5069] <... set_robust_list resumed>) = 0 [pid 5069] chdir("./4") = 0 [pid 5069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5069] setpgid(0, 0) = 0 [pid 5069] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5069] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5069] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5069] write(3, "1000", 4) = 4 [pid 5069] close(3) = 0 [pid 5069] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5069] memfd_create("syzkaller", 0) = 3 [pid 5069] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5069] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5069] munmap(0x7f9497c79000, 138412032) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5069] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5069] close(3) = 0 [pid 5069] mkdir("./file0", 0777) = 0 [pid 5069] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5069] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5069] chdir("./file0") = 0 [pid 5069] ioctl(4, LOOP_CLR_FD) = 0 [pid 5069] close(4) = 0 [ 82.737126][ T5069] loop0: detected capacity change from 0 to 4096 [ 82.774805][ T5069] ntfs: volume version 3.1. [pid 5069] creat("./file2", 000) = 4 [pid 5069] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5069] creat("./file2", 000) = 5 [pid 5069] close(3) = 0 [pid 5069] close(4) = 0 [pid 5069] close(5) = 0 [pid 5069] close(6) = -1 EBADF (Bad file descriptor) [pid 5069] close(7) = -1 EBADF (Bad file descriptor) [pid 5069] close(8) = -1 EBADF (Bad file descriptor) [pid 5069] close(9) = -1 EBADF (Bad file descriptor) [pid 5069] close(10) = -1 EBADF (Bad file descriptor) [pid 5069] close(11) = -1 EBADF (Bad file descriptor) [pid 5069] close(12) = -1 EBADF (Bad file descriptor) [pid 5069] close(13) = -1 EBADF (Bad file descriptor) [pid 5069] close(14) = -1 EBADF (Bad file descriptor) [pid 5069] close(15) = -1 EBADF (Bad file descriptor) [pid 5069] close(16) = -1 EBADF (Bad file descriptor) [pid 5069] close(17) = -1 EBADF (Bad file descriptor) [pid 5069] close(18) = -1 EBADF (Bad file descriptor) [pid 5069] close(19) = -1 EBADF (Bad file descriptor) [pid 5069] close(20) = -1 EBADF (Bad file descriptor) [pid 5069] close(21) = -1 EBADF (Bad file descriptor) [pid 5069] close(22) = -1 EBADF (Bad file descriptor) [pid 5069] close(23) = -1 EBADF (Bad file descriptor) [pid 5069] close(24) = -1 EBADF (Bad file descriptor) [pid 5069] close(25) = -1 EBADF (Bad file descriptor) [pid 5069] close(26) = -1 EBADF (Bad file descriptor) [pid 5069] close(27) = -1 EBADF (Bad file descriptor) [pid 5069] close(28) = -1 EBADF (Bad file descriptor) [pid 5069] close(29) = -1 EBADF (Bad file descriptor) [pid 5069] exit_group(0) = ? [pid 5069] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5062] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./4/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./4/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./4/cgroup.cpu") = 0 [pid 5062] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./4/binderfs") = 0 [pid 5062] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./4/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./4/file0") = 0 [pid 5062] umount2("./4/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./4/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./4/cgroup") = 0 [pid 5062] umount2("./4/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./4/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./4/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./4") = 0 [pid 5062] mkdir("./5", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5070 attached [pid 5070] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 7 [pid 5070] <... set_robust_list resumed>) = 0 [pid 5070] chdir("./5") = 0 [pid 5070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5070] setpgid(0, 0) = 0 [pid 5070] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5070] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5070] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "1000", 4) = 4 [pid 5070] close(3) = 0 [pid 5070] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5070] memfd_create("syzkaller", 0) = 3 [pid 5070] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5070] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5070] munmap(0x7f9497c79000, 138412032) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5070] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5070] close(3) = 0 [pid 5070] mkdir("./file0", 0777) = 0 [pid 5070] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5070] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5070] chdir("./file0") = 0 [pid 5070] ioctl(4, LOOP_CLR_FD) = 0 [pid 5070] close(4) = 0 [ 83.314912][ T5070] loop0: detected capacity change from 0 to 4096 [ 83.339204][ T5070] ntfs: volume version 3.1. [pid 5070] creat("./file2", 000) = 4 [pid 5070] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5070] creat("./file2", 000) = 5 [pid 5070] close(3) = 0 [pid 5070] close(4) = 0 [pid 5070] close(5) = 0 [pid 5070] close(6) = -1 EBADF (Bad file descriptor) [pid 5070] close(7) = -1 EBADF (Bad file descriptor) [pid 5070] close(8) = -1 EBADF (Bad file descriptor) [pid 5070] close(9) = -1 EBADF (Bad file descriptor) [pid 5070] close(10) = -1 EBADF (Bad file descriptor) [pid 5070] close(11) = -1 EBADF (Bad file descriptor) [pid 5070] close(12) = -1 EBADF (Bad file descriptor) [pid 5070] close(13) = -1 EBADF (Bad file descriptor) [pid 5070] close(14) = -1 EBADF (Bad file descriptor) [pid 5070] close(15) = -1 EBADF (Bad file descriptor) [pid 5070] close(16) = -1 EBADF (Bad file descriptor) [pid 5070] close(17) = -1 EBADF (Bad file descriptor) [pid 5070] close(18) = -1 EBADF (Bad file descriptor) [pid 5070] close(19) = -1 EBADF (Bad file descriptor) [pid 5070] close(20) = -1 EBADF (Bad file descriptor) [pid 5070] close(21) = -1 EBADF (Bad file descriptor) [pid 5070] close(22) = -1 EBADF (Bad file descriptor) [pid 5070] close(23) = -1 EBADF (Bad file descriptor) [pid 5070] close(24) = -1 EBADF (Bad file descriptor) [pid 5070] close(25) = -1 EBADF (Bad file descriptor) [pid 5070] close(26) = -1 EBADF (Bad file descriptor) [pid 5070] close(27) = -1 EBADF (Bad file descriptor) [pid 5070] close(28) = -1 EBADF (Bad file descriptor) [pid 5070] close(29) = -1 EBADF (Bad file descriptor) [pid 5070] exit_group(0) = ? [pid 5070] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5062] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./5/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./5/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./5/cgroup.cpu") = 0 [pid 5062] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./5/binderfs") = 0 [pid 5062] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./5/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./5/file0") = 0 [pid 5062] umount2("./5/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./5/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./5/cgroup") = 0 [pid 5062] umount2("./5/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./5/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./5/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./5") = 0 [pid 5062] mkdir("./6", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5071 attached [pid 5071] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 8 [pid 5071] <... set_robust_list resumed>) = 0 [pid 5071] chdir("./6") = 0 [pid 5071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5071] setpgid(0, 0) = 0 [pid 5071] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5071] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5071] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5071] write(3, "1000", 4) = 4 [pid 5071] close(3) = 0 [pid 5071] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5071] memfd_create("syzkaller", 0) = 3 [pid 5071] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5071] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5071] munmap(0x7f9497c79000, 138412032) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5071] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5071] close(3) = 0 [pid 5071] mkdir("./file0", 0777) = 0 [ 83.979367][ T5071] loop0: detected capacity change from 0 to 4096 [ 83.994319][ T5071] __ntfs_warning: 14 callbacks suppressed [ 83.994331][ T5071] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5071] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5071] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5071] chdir("./file0") = 0 [pid 5071] ioctl(4, LOOP_CLR_FD) = 0 [pid 5071] close(4) = 0 [ 84.035218][ T5071] ntfs: volume version 3.1. [pid 5071] creat("./file2", 000) = 4 [pid 5071] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5071] creat("./file2", 000) = 5 [pid 5071] close(3) = 0 [pid 5071] close(4) = 0 [pid 5071] close(5) = 0 [pid 5071] close(6) = -1 EBADF (Bad file descriptor) [pid 5071] close(7) = -1 EBADF (Bad file descriptor) [pid 5071] close(8) = -1 EBADF (Bad file descriptor) [pid 5071] close(9) = -1 EBADF (Bad file descriptor) [pid 5071] close(10) = -1 EBADF (Bad file descriptor) [pid 5071] close(11) = -1 EBADF (Bad file descriptor) [pid 5071] close(12) = -1 EBADF (Bad file descriptor) [pid 5071] close(13) = -1 EBADF (Bad file descriptor) [pid 5071] close(14) = -1 EBADF (Bad file descriptor) [pid 5071] close(15) = -1 EBADF (Bad file descriptor) [pid 5071] close(16) = -1 EBADF (Bad file descriptor) [pid 5071] close(17) = -1 EBADF (Bad file descriptor) [pid 5071] close(18) = -1 EBADF (Bad file descriptor) [pid 5071] close(19) = -1 EBADF (Bad file descriptor) [pid 5071] close(20) = -1 EBADF (Bad file descriptor) [pid 5071] close(21) = -1 EBADF (Bad file descriptor) [pid 5071] close(22) = -1 EBADF (Bad file descriptor) [pid 5071] close(23) = -1 EBADF (Bad file descriptor) [pid 5071] close(24) = -1 EBADF (Bad file descriptor) [pid 5071] close(25) = -1 EBADF (Bad file descriptor) [pid 5071] close(26) = -1 EBADF (Bad file descriptor) [pid 5071] close(27) = -1 EBADF (Bad file descriptor) [pid 5071] close(28) = -1 EBADF (Bad file descriptor) [pid 5071] close(29) = -1 EBADF (Bad file descriptor) [pid 5071] exit_group(0) = ? [pid 5071] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5062] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./6/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./6/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./6/cgroup.cpu") = 0 [pid 5062] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./6/binderfs") = 0 [pid 5062] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./6/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./6/file0") = 0 [pid 5062] umount2("./6/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./6/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./6/cgroup") = 0 [pid 5062] umount2("./6/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./6/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./6/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./6") = 0 [pid 5062] mkdir("./7", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5072 attached [pid 5072] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 9 [pid 5072] <... set_robust_list resumed>) = 0 [pid 5072] chdir("./7") = 0 [pid 5072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5072] setpgid(0, 0) = 0 [pid 5072] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5072] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5072] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5072] write(3, "1000", 4) = 4 [pid 5072] close(3) = 0 [pid 5072] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5072] memfd_create("syzkaller", 0) = 3 [pid 5072] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5072] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5072] munmap(0x7f9497c79000, 138412032) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5072] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5072] close(3) = 0 [pid 5072] mkdir("./file0", 0777) = 0 [ 84.646400][ T5072] loop0: detected capacity change from 0 to 4096 [pid 5072] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5072] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5072] chdir("./file0") = 0 [pid 5072] ioctl(4, LOOP_CLR_FD) = 0 [pid 5072] close(4) = 0 [ 84.686987][ T5072] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [ 84.722604][ T5072] ntfs: volume version 3.1. [pid 5072] creat("./file2", 000) = 4 [pid 5072] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5072] creat("./file2", 000) = 5 [pid 5072] close(3) = 0 [pid 5072] close(4) = 0 [pid 5072] close(5) = 0 [pid 5072] close(6) = -1 EBADF (Bad file descriptor) [pid 5072] close(7) = -1 EBADF (Bad file descriptor) [pid 5072] close(8) = -1 EBADF (Bad file descriptor) [pid 5072] close(9) = -1 EBADF (Bad file descriptor) [pid 5072] close(10) = -1 EBADF (Bad file descriptor) [pid 5072] close(11) = -1 EBADF (Bad file descriptor) [pid 5072] close(12) = -1 EBADF (Bad file descriptor) [pid 5072] close(13) = -1 EBADF (Bad file descriptor) [pid 5072] close(14) = -1 EBADF (Bad file descriptor) [pid 5072] close(15) = -1 EBADF (Bad file descriptor) [pid 5072] close(16) = -1 EBADF (Bad file descriptor) [pid 5072] close(17) = -1 EBADF (Bad file descriptor) [pid 5072] close(18) = -1 EBADF (Bad file descriptor) [pid 5072] close(19) = -1 EBADF (Bad file descriptor) [pid 5072] close(20) = -1 EBADF (Bad file descriptor) [pid 5072] close(21) = -1 EBADF (Bad file descriptor) [pid 5072] close(22) = -1 EBADF (Bad file descriptor) [pid 5072] close(23) = -1 EBADF (Bad file descriptor) [pid 5072] close(24) = -1 EBADF (Bad file descriptor) [pid 5072] close(25) = -1 EBADF (Bad file descriptor) [pid 5072] close(26) = -1 EBADF (Bad file descriptor) [pid 5072] close(27) = -1 EBADF (Bad file descriptor) [pid 5072] close(28) = -1 EBADF (Bad file descriptor) [pid 5072] close(29) = -1 EBADF (Bad file descriptor) [pid 5072] exit_group(0) = ? [pid 5072] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} --- [pid 5062] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./7/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./7/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./7/cgroup.cpu") = 0 [pid 5062] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./7/binderfs") = 0 [pid 5062] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./7/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./7/file0") = 0 [pid 5062] umount2("./7/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./7/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./7/cgroup") = 0 [pid 5062] umount2("./7/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./7/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./7/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./7") = 0 [pid 5062] mkdir("./8", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5073 attached [pid 5073] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 10 [pid 5073] <... set_robust_list resumed>) = 0 [pid 5073] chdir("./8") = 0 [pid 5073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5073] setpgid(0, 0) = 0 [pid 5073] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5073] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5073] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5073] write(3, "1000", 4) = 4 [pid 5073] close(3) = 0 [pid 5073] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5073] memfd_create("syzkaller", 0) = 3 [pid 5073] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5073] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5073] munmap(0x7f9497c79000, 138412032) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5073] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5073] close(3) = 0 [pid 5073] mkdir("./file0", 0777) = 0 [ 85.326170][ T5073] loop0: detected capacity change from 0 to 4096 [ 85.345732][ T5073] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5073] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5073] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5073] chdir("./file0") = 0 [pid 5073] ioctl(4, LOOP_CLR_FD) = 0 [pid 5073] close(4) = 0 [pid 5073] creat("./file2", 000) = 4 [ 85.381056][ T5073] ntfs: volume version 3.1. [pid 5073] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5073] creat("./file2", 000) = 5 [pid 5073] close(3) = 0 [pid 5073] close(4) = 0 [pid 5073] close(5) = 0 [pid 5073] close(6) = -1 EBADF (Bad file descriptor) [pid 5073] close(7) = -1 EBADF (Bad file descriptor) [pid 5073] close(8) = -1 EBADF (Bad file descriptor) [pid 5073] close(9) = -1 EBADF (Bad file descriptor) [pid 5073] close(10) = -1 EBADF (Bad file descriptor) [pid 5073] close(11) = -1 EBADF (Bad file descriptor) [pid 5073] close(12) = -1 EBADF (Bad file descriptor) [pid 5073] close(13) = -1 EBADF (Bad file descriptor) [pid 5073] close(14) = -1 EBADF (Bad file descriptor) [pid 5073] close(15) = -1 EBADF (Bad file descriptor) [pid 5073] close(16) = -1 EBADF (Bad file descriptor) [pid 5073] close(17) = -1 EBADF (Bad file descriptor) [pid 5073] close(18) = -1 EBADF (Bad file descriptor) [pid 5073] close(19) = -1 EBADF (Bad file descriptor) [pid 5073] close(20) = -1 EBADF (Bad file descriptor) [pid 5073] close(21) = -1 EBADF (Bad file descriptor) [pid 5073] close(22) = -1 EBADF (Bad file descriptor) [pid 5073] close(23) = -1 EBADF (Bad file descriptor) [pid 5073] close(24) = -1 EBADF (Bad file descriptor) [pid 5073] close(25) = -1 EBADF (Bad file descriptor) [pid 5073] close(26) = -1 EBADF (Bad file descriptor) [pid 5073] close(27) = -1 EBADF (Bad file descriptor) [pid 5073] close(28) = -1 EBADF (Bad file descriptor) [pid 5073] close(29) = -1 EBADF (Bad file descriptor) [pid 5073] exit_group(0) = ? [pid 5073] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./8/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./8/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./8/cgroup.cpu") = 0 [pid 5062] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./8/binderfs") = 0 [pid 5062] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./8/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./8/file0") = 0 [pid 5062] umount2("./8/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./8/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./8/cgroup") = 0 [pid 5062] umount2("./8/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./8/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./8/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./8") = 0 [pid 5062] mkdir("./9", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5074 attached [pid 5074] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 11 [pid 5074] <... set_robust_list resumed>) = 0 [pid 5074] chdir("./9") = 0 [pid 5074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5074] setpgid(0, 0) = 0 [pid 5074] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5074] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5074] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5074] write(3, "1000", 4) = 4 [pid 5074] close(3) = 0 [pid 5074] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5074] memfd_create("syzkaller", 0) = 3 [pid 5074] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5074] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5074] munmap(0x7f9497c79000, 138412032) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5074] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5074] close(3) = 0 [pid 5074] mkdir("./file0", 0777) = 0 [ 85.935843][ T5074] loop0: detected capacity change from 0 to 4096 [ 85.955766][ T5074] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5074] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5074] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5074] chdir("./file0") = 0 [pid 5074] ioctl(4, LOOP_CLR_FD) = 0 [pid 5074] close(4) = 0 [ 85.991494][ T5074] ntfs: volume version 3.1. [pid 5074] creat("./file2", 000) = 4 [pid 5074] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5074] creat("./file2", 000) = 5 [pid 5074] close(3) = 0 [pid 5074] close(4) = 0 [pid 5074] close(5) = 0 [pid 5074] close(6) = -1 EBADF (Bad file descriptor) [pid 5074] close(7) = -1 EBADF (Bad file descriptor) [pid 5074] close(8) = -1 EBADF (Bad file descriptor) [pid 5074] close(9) = -1 EBADF (Bad file descriptor) [pid 5074] close(10) = -1 EBADF (Bad file descriptor) [pid 5074] close(11) = -1 EBADF (Bad file descriptor) [pid 5074] close(12) = -1 EBADF (Bad file descriptor) [pid 5074] close(13) = -1 EBADF (Bad file descriptor) [pid 5074] close(14) = -1 EBADF (Bad file descriptor) [pid 5074] close(15) = -1 EBADF (Bad file descriptor) [pid 5074] close(16) = -1 EBADF (Bad file descriptor) [pid 5074] close(17) = -1 EBADF (Bad file descriptor) [pid 5074] close(18) = -1 EBADF (Bad file descriptor) [pid 5074] close(19) = -1 EBADF (Bad file descriptor) [pid 5074] close(20) = -1 EBADF (Bad file descriptor) [pid 5074] close(21) = -1 EBADF (Bad file descriptor) [pid 5074] close(22) = -1 EBADF (Bad file descriptor) [pid 5074] close(23) = -1 EBADF (Bad file descriptor) [pid 5074] close(24) = -1 EBADF (Bad file descriptor) [pid 5074] close(25) = -1 EBADF (Bad file descriptor) [pid 5074] close(26) = -1 EBADF (Bad file descriptor) [pid 5074] close(27) = -1 EBADF (Bad file descriptor) [pid 5074] close(28) = -1 EBADF (Bad file descriptor) [pid 5074] close(29) = -1 EBADF (Bad file descriptor) [pid 5074] exit_group(0) = ? [pid 5074] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./9/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./9/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./9/cgroup.cpu") = 0 [pid 5062] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./9/binderfs") = 0 [pid 5062] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./9/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./9/file0") = 0 [pid 5062] umount2("./9/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./9/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./9/cgroup") = 0 [pid 5062] umount2("./9/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./9/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./9/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./9") = 0 [pid 5062] mkdir("./10", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5075 attached [pid 5075] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 12 [pid 5075] <... set_robust_list resumed>) = 0 [pid 5075] chdir("./10") = 0 [pid 5075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5075] setpgid(0, 0) = 0 [pid 5075] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5075] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5075] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5075] write(3, "1000", 4) = 4 [pid 5075] close(3) = 0 [pid 5075] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5075] memfd_create("syzkaller", 0) = 3 [pid 5075] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5075] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5075] munmap(0x7f9497c79000, 138412032) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5075] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5075] close(3) = 0 [pid 5075] mkdir("./file0", 0777) = 0 [ 86.508295][ T5075] loop0: detected capacity change from 0 to 4096 [ 86.533802][ T5075] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5075] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5075] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5075] chdir("./file0") = 0 [pid 5075] ioctl(4, LOOP_CLR_FD) = 0 [pid 5075] close(4) = 0 [ 86.567590][ T5075] ntfs: volume version 3.1. [pid 5075] creat("./file2", 000) = 4 [pid 5075] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5075] creat("./file2", 000) = 5 [pid 5075] close(3) = 0 [pid 5075] close(4) = 0 [pid 5075] close(5) = 0 [pid 5075] close(6) = -1 EBADF (Bad file descriptor) [pid 5075] close(7) = -1 EBADF (Bad file descriptor) [pid 5075] close(8) = -1 EBADF (Bad file descriptor) [pid 5075] close(9) = -1 EBADF (Bad file descriptor) [pid 5075] close(10) = -1 EBADF (Bad file descriptor) [pid 5075] close(11) = -1 EBADF (Bad file descriptor) [pid 5075] close(12) = -1 EBADF (Bad file descriptor) [pid 5075] close(13) = -1 EBADF (Bad file descriptor) [pid 5075] close(14) = -1 EBADF (Bad file descriptor) [pid 5075] close(15) = -1 EBADF (Bad file descriptor) [pid 5075] close(16) = -1 EBADF (Bad file descriptor) [pid 5075] close(17) = -1 EBADF (Bad file descriptor) [pid 5075] close(18) = -1 EBADF (Bad file descriptor) [pid 5075] close(19) = -1 EBADF (Bad file descriptor) [pid 5075] close(20) = -1 EBADF (Bad file descriptor) [pid 5075] close(21) = -1 EBADF (Bad file descriptor) [pid 5075] close(22) = -1 EBADF (Bad file descriptor) [pid 5075] close(23) = -1 EBADF (Bad file descriptor) [pid 5075] close(24) = -1 EBADF (Bad file descriptor) [pid 5075] close(25) = -1 EBADF (Bad file descriptor) [pid 5075] close(26) = -1 EBADF (Bad file descriptor) [pid 5075] close(27) = -1 EBADF (Bad file descriptor) [pid 5075] close(28) = -1 EBADF (Bad file descriptor) [pid 5075] close(29) = -1 EBADF (Bad file descriptor) [pid 5075] exit_group(0) = ? [pid 5075] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- [pid 5062] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./10/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./10/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./10/cgroup.cpu") = 0 [pid 5062] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./10/binderfs") = 0 [pid 5062] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./10/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./10/file0") = 0 [pid 5062] umount2("./10/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./10/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./10/cgroup") = 0 [pid 5062] umount2("./10/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./10/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./10/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./10") = 0 [pid 5062] mkdir("./11", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5076 attached [pid 5076] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 13 [pid 5076] <... set_robust_list resumed>) = 0 [pid 5076] chdir("./11") = 0 [pid 5076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5076] setpgid(0, 0) = 0 [pid 5076] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5076] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5076] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5076] write(3, "1000", 4) = 4 [pid 5076] close(3) = 0 [pid 5076] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5076] memfd_create("syzkaller", 0) = 3 [pid 5076] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5076] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5076] munmap(0x7f9497c79000, 138412032) = 0 [pid 5076] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5076] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5076] close(3) = 0 [pid 5076] mkdir("./file0", 0777) = 0 [ 87.081974][ T778] cfg80211: failed to load regulatory.db [ 87.112602][ T5076] loop0: detected capacity change from 0 to 4096 [pid 5076] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5076] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5076] chdir("./file0") = 0 [pid 5076] ioctl(4, LOOP_CLR_FD) = 0 [pid 5076] close(4) = 0 [pid 5076] creat("./file2", 000) = 4 [ 87.128376][ T5076] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [ 87.161345][ T5076] ntfs: volume version 3.1. [pid 5076] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5076] creat("./file2", 000) = 5 [pid 5076] close(3) = 0 [pid 5076] close(4) = 0 [pid 5076] close(5) = 0 [pid 5076] close(6) = -1 EBADF (Bad file descriptor) [pid 5076] close(7) = -1 EBADF (Bad file descriptor) [pid 5076] close(8) = -1 EBADF (Bad file descriptor) [pid 5076] close(9) = -1 EBADF (Bad file descriptor) [pid 5076] close(10) = -1 EBADF (Bad file descriptor) [pid 5076] close(11) = -1 EBADF (Bad file descriptor) [pid 5076] close(12) = -1 EBADF (Bad file descriptor) [pid 5076] close(13) = -1 EBADF (Bad file descriptor) [pid 5076] close(14) = -1 EBADF (Bad file descriptor) [pid 5076] close(15) = -1 EBADF (Bad file descriptor) [pid 5076] close(16) = -1 EBADF (Bad file descriptor) [pid 5076] close(17) = -1 EBADF (Bad file descriptor) [pid 5076] close(18) = -1 EBADF (Bad file descriptor) [pid 5076] close(19) = -1 EBADF (Bad file descriptor) [pid 5076] close(20) = -1 EBADF (Bad file descriptor) [pid 5076] close(21) = -1 EBADF (Bad file descriptor) [pid 5076] close(22) = -1 EBADF (Bad file descriptor) [pid 5076] close(23) = -1 EBADF (Bad file descriptor) [pid 5076] close(24) = -1 EBADF (Bad file descriptor) [pid 5076] close(25) = -1 EBADF (Bad file descriptor) [pid 5076] close(26) = -1 EBADF (Bad file descriptor) [pid 5076] close(27) = -1 EBADF (Bad file descriptor) [pid 5076] close(28) = -1 EBADF (Bad file descriptor) [pid 5076] close(29) = -1 EBADF (Bad file descriptor) [pid 5076] exit_group(0) = ? [pid 5076] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./11/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./11/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./11/cgroup.cpu") = 0 [pid 5062] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./11/binderfs") = 0 [pid 5062] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./11/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./11/file0") = 0 [pid 5062] umount2("./11/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./11/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./11/cgroup") = 0 [pid 5062] umount2("./11/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./11/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./11/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./11") = 0 [pid 5062] mkdir("./12", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5077 attached [pid 5077] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 14 [pid 5077] <... set_robust_list resumed>) = 0 [pid 5077] chdir("./12") = 0 [pid 5077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5077] setpgid(0, 0) = 0 [pid 5077] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5077] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5077] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5077] write(3, "1000", 4) = 4 [pid 5077] close(3) = 0 [pid 5077] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5077] memfd_create("syzkaller", 0) = 3 [pid 5077] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5077] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5077] munmap(0x7f9497c79000, 138412032) = 0 [pid 5077] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5077] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5077] close(3) = 0 [pid 5077] mkdir("./file0", 0777) = 0 [ 87.685903][ T5077] loop0: detected capacity change from 0 to 4096 [ 87.698290][ T5077] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5077] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5077] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5077] chdir("./file0") = 0 [pid 5077] ioctl(4, LOOP_CLR_FD) = 0 [pid 5077] close(4) = 0 [ 87.734373][ T5077] ntfs: volume version 3.1. [pid 5077] creat("./file2", 000) = 4 [pid 5077] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5077] creat("./file2", 000) = 5 [pid 5077] close(3) = 0 [pid 5077] close(4) = 0 [pid 5077] close(5) = 0 [pid 5077] close(6) = -1 EBADF (Bad file descriptor) [pid 5077] close(7) = -1 EBADF (Bad file descriptor) [pid 5077] close(8) = -1 EBADF (Bad file descriptor) [pid 5077] close(9) = -1 EBADF (Bad file descriptor) [pid 5077] close(10) = -1 EBADF (Bad file descriptor) [pid 5077] close(11) = -1 EBADF (Bad file descriptor) [pid 5077] close(12) = -1 EBADF (Bad file descriptor) [pid 5077] close(13) = -1 EBADF (Bad file descriptor) [pid 5077] close(14) = -1 EBADF (Bad file descriptor) [pid 5077] close(15) = -1 EBADF (Bad file descriptor) [pid 5077] close(16) = -1 EBADF (Bad file descriptor) [pid 5077] close(17) = -1 EBADF (Bad file descriptor) [pid 5077] close(18) = -1 EBADF (Bad file descriptor) [pid 5077] close(19) = -1 EBADF (Bad file descriptor) [pid 5077] close(20) = -1 EBADF (Bad file descriptor) [pid 5077] close(21) = -1 EBADF (Bad file descriptor) [pid 5077] close(22) = -1 EBADF (Bad file descriptor) [pid 5077] close(23) = -1 EBADF (Bad file descriptor) [pid 5077] close(24) = -1 EBADF (Bad file descriptor) [pid 5077] close(25) = -1 EBADF (Bad file descriptor) [pid 5077] close(26) = -1 EBADF (Bad file descriptor) [pid 5077] close(27) = -1 EBADF (Bad file descriptor) [pid 5077] close(28) = -1 EBADF (Bad file descriptor) [pid 5077] close(29) = -1 EBADF (Bad file descriptor) [pid 5077] exit_group(0) = ? [pid 5077] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./12/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./12/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./12/cgroup.cpu") = 0 [pid 5062] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./12/binderfs") = 0 [pid 5062] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./12/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./12/file0") = 0 [pid 5062] umount2("./12/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./12/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./12/cgroup") = 0 [pid 5062] umount2("./12/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./12/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./12/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./12") = 0 [pid 5062] mkdir("./13", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5078 attached , child_tidptr=0x555556e8b650) = 15 [pid 5078] set_robust_list(0x555556e8b660, 24) = 0 [pid 5078] chdir("./13") = 0 [pid 5078] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5078] setpgid(0, 0) = 0 [pid 5078] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5078] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5078] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5078] write(3, "1000", 4) = 4 [pid 5078] close(3) = 0 [pid 5078] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5078] memfd_create("syzkaller", 0) = 3 [pid 5078] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5078] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5078] munmap(0x7f9497c79000, 138412032) = 0 [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5078] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5078] close(3) = 0 [pid 5078] mkdir("./file0", 0777) = 0 [pid 5078] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5078] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5078] chdir("./file0") = 0 [pid 5078] ioctl(4, LOOP_CLR_FD) = 0 [pid 5078] close(4) = 0 [pid 5078] creat("./file2", 000) = 4 [ 88.315195][ T5078] loop0: detected capacity change from 0 to 4096 [ 88.324993][ T5078] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [ 88.359813][ T5078] ntfs: volume version 3.1. [pid 5078] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5078] creat("./file2", 000) = 5 [pid 5078] close(3) = 0 [pid 5078] close(4) = 0 [pid 5078] close(5) = 0 [pid 5078] close(6) = -1 EBADF (Bad file descriptor) [pid 5078] close(7) = -1 EBADF (Bad file descriptor) [pid 5078] close(8) = -1 EBADF (Bad file descriptor) [pid 5078] close(9) = -1 EBADF (Bad file descriptor) [pid 5078] close(10) = -1 EBADF (Bad file descriptor) [pid 5078] close(11) = -1 EBADF (Bad file descriptor) [pid 5078] close(12) = -1 EBADF (Bad file descriptor) [pid 5078] close(13) = -1 EBADF (Bad file descriptor) [pid 5078] close(14) = -1 EBADF (Bad file descriptor) [pid 5078] close(15) = -1 EBADF (Bad file descriptor) [pid 5078] close(16) = -1 EBADF (Bad file descriptor) [pid 5078] close(17) = -1 EBADF (Bad file descriptor) [pid 5078] close(18) = -1 EBADF (Bad file descriptor) [pid 5078] close(19) = -1 EBADF (Bad file descriptor) [pid 5078] close(20) = -1 EBADF (Bad file descriptor) [pid 5078] close(21) = -1 EBADF (Bad file descriptor) [pid 5078] close(22) = -1 EBADF (Bad file descriptor) [pid 5078] close(23) = -1 EBADF (Bad file descriptor) [pid 5078] close(24) = -1 EBADF (Bad file descriptor) [pid 5078] close(25) = -1 EBADF (Bad file descriptor) [pid 5078] close(26) = -1 EBADF (Bad file descriptor) [pid 5078] close(27) = -1 EBADF (Bad file descriptor) [pid 5078] close(28) = -1 EBADF (Bad file descriptor) [pid 5078] close(29) = -1 EBADF (Bad file descriptor) [pid 5078] exit_group(0) = ? [pid 5078] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./13/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./13/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./13/cgroup.cpu") = 0 [pid 5062] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./13/binderfs") = 0 [pid 5062] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./13/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./13/file0") = 0 [pid 5062] umount2("./13/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./13/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./13/cgroup") = 0 [pid 5062] umount2("./13/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./13/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./13/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./13") = 0 [pid 5062] mkdir("./14", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5079 attached [pid 5079] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 16 [pid 5079] <... set_robust_list resumed>) = 0 [pid 5079] chdir("./14") = 0 [pid 5079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5079] setpgid(0, 0) = 0 [pid 5079] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5079] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5079] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5079] write(3, "1000", 4) = 4 [pid 5079] close(3) = 0 [pid 5079] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5079] memfd_create("syzkaller", 0) = 3 [pid 5079] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5079] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5079] munmap(0x7f9497c79000, 138412032) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5079] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5079] close(3) = 0 [pid 5079] mkdir("./file0", 0777) = 0 [ 88.908426][ T5079] loop0: detected capacity change from 0 to 4096 [ 88.923157][ T5079] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5079] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5079] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5079] chdir("./file0") = 0 [pid 5079] ioctl(4, LOOP_CLR_FD) = 0 [ 88.958238][ T5079] ntfs: volume version 3.1. [pid 5079] close(4) = 0 [pid 5079] creat("./file2", 000) = 4 [pid 5079] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5079] creat("./file2", 000) = 5 [pid 5079] close(3) = 0 [pid 5079] close(4) = 0 [pid 5079] close(5) = 0 [pid 5079] close(6) = -1 EBADF (Bad file descriptor) [pid 5079] close(7) = -1 EBADF (Bad file descriptor) [pid 5079] close(8) = -1 EBADF (Bad file descriptor) [pid 5079] close(9) = -1 EBADF (Bad file descriptor) [pid 5079] close(10) = -1 EBADF (Bad file descriptor) [pid 5079] close(11) = -1 EBADF (Bad file descriptor) [pid 5079] close(12) = -1 EBADF (Bad file descriptor) [pid 5079] close(13) = -1 EBADF (Bad file descriptor) [pid 5079] close(14) = -1 EBADF (Bad file descriptor) [pid 5079] close(15) = -1 EBADF (Bad file descriptor) [pid 5079] close(16) = -1 EBADF (Bad file descriptor) [pid 5079] close(17) = -1 EBADF (Bad file descriptor) [pid 5079] close(18) = -1 EBADF (Bad file descriptor) [pid 5079] close(19) = -1 EBADF (Bad file descriptor) [pid 5079] close(20) = -1 EBADF (Bad file descriptor) [pid 5079] close(21) = -1 EBADF (Bad file descriptor) [pid 5079] close(22) = -1 EBADF (Bad file descriptor) [pid 5079] close(23) = -1 EBADF (Bad file descriptor) [pid 5079] close(24) = -1 EBADF (Bad file descriptor) [pid 5079] close(25) = -1 EBADF (Bad file descriptor) [pid 5079] close(26) = -1 EBADF (Bad file descriptor) [pid 5079] close(27) = -1 EBADF (Bad file descriptor) [pid 5079] close(28) = -1 EBADF (Bad file descriptor) [pid 5079] close(29) = -1 EBADF (Bad file descriptor) [pid 5079] exit_group(0) = ? [pid 5079] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./14/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./14/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./14/cgroup.cpu") = 0 [pid 5062] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./14/binderfs") = 0 [pid 5062] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./14/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./14/file0") = 0 [pid 5062] umount2("./14/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./14/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./14/cgroup") = 0 [pid 5062] umount2("./14/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./14/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./14/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./14") = 0 [pid 5062] mkdir("./15", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5080 attached [pid 5080] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 17 [pid 5080] <... set_robust_list resumed>) = 0 [pid 5080] chdir("./15") = 0 [pid 5080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5080] setpgid(0, 0) = 0 [pid 5080] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5080] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5080] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5080] write(3, "1000", 4) = 4 [pid 5080] close(3) = 0 [pid 5080] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5080] memfd_create("syzkaller", 0) = 3 [pid 5080] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5080] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5080] munmap(0x7f9497c79000, 138412032) = 0 [pid 5080] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5080] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5080] close(3) = 0 [pid 5080] mkdir("./file0", 0777) = 0 [ 89.526672][ T5080] loop0: detected capacity change from 0 to 4096 [ 89.555409][ T5080] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5080] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5080] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5080] chdir("./file0") = 0 [pid 5080] ioctl(4, LOOP_CLR_FD) = 0 [pid 5080] close(4) = 0 [pid 5080] creat("./file2", 000) = 4 [ 89.588750][ T5080] ntfs: volume version 3.1. [pid 5080] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5080] creat("./file2", 000) = 5 [pid 5080] close(3) = 0 [pid 5080] close(4) = 0 [pid 5080] close(5) = 0 [pid 5080] close(6) = -1 EBADF (Bad file descriptor) [pid 5080] close(7) = -1 EBADF (Bad file descriptor) [pid 5080] close(8) = -1 EBADF (Bad file descriptor) [pid 5080] close(9) = -1 EBADF (Bad file descriptor) [pid 5080] close(10) = -1 EBADF (Bad file descriptor) [pid 5080] close(11) = -1 EBADF (Bad file descriptor) [pid 5080] close(12) = -1 EBADF (Bad file descriptor) [pid 5080] close(13) = -1 EBADF (Bad file descriptor) [pid 5080] close(14) = -1 EBADF (Bad file descriptor) [pid 5080] close(15) = -1 EBADF (Bad file descriptor) [pid 5080] close(16) = -1 EBADF (Bad file descriptor) [pid 5080] close(17) = -1 EBADF (Bad file descriptor) [pid 5080] close(18) = -1 EBADF (Bad file descriptor) [pid 5080] close(19) = -1 EBADF (Bad file descriptor) [pid 5080] close(20) = -1 EBADF (Bad file descriptor) [pid 5080] close(21) = -1 EBADF (Bad file descriptor) [pid 5080] close(22) = -1 EBADF (Bad file descriptor) [pid 5080] close(23) = -1 EBADF (Bad file descriptor) [pid 5080] close(24) = -1 EBADF (Bad file descriptor) [pid 5080] close(25) = -1 EBADF (Bad file descriptor) [pid 5080] close(26) = -1 EBADF (Bad file descriptor) [pid 5080] close(27) = -1 EBADF (Bad file descriptor) [pid 5080] close(28) = -1 EBADF (Bad file descriptor) [pid 5080] close(29) = -1 EBADF (Bad file descriptor) [pid 5080] exit_group(0) = ? [pid 5080] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./15/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./15/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./15/cgroup.cpu") = 0 [pid 5062] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./15/binderfs") = 0 [pid 5062] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./15/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./15/file0") = 0 [pid 5062] umount2("./15/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./15/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./15/cgroup") = 0 [pid 5062] umount2("./15/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./15/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./15/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./15") = 0 [pid 5062] mkdir("./16", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5081 attached [pid 5081] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 18 [pid 5081] <... set_robust_list resumed>) = 0 [pid 5081] chdir("./16") = 0 [pid 5081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5081] setpgid(0, 0) = 0 [pid 5081] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5081] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5081] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5081] write(3, "1000", 4) = 4 [pid 5081] close(3) = 0 [pid 5081] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5081] memfd_create("syzkaller", 0) = 3 [pid 5081] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5081] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5081] munmap(0x7f9497c79000, 138412032) = 0 [pid 5081] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5081] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5081] close(3) = 0 [pid 5081] mkdir("./file0", 0777) = 0 [ 90.214888][ T5081] loop0: detected capacity change from 0 to 4096 [ 90.238557][ T5081] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5081] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5081] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5081] chdir("./file0") = 0 [pid 5081] ioctl(4, LOOP_CLR_FD) = 0 [pid 5081] close(4) = 0 [ 90.271012][ T5081] ntfs: volume version 3.1. [pid 5081] creat("./file2", 000) = 4 [pid 5081] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5081] creat("./file2", 000) = 5 [pid 5081] close(3) = 0 [pid 5081] close(4) = 0 [pid 5081] close(5) = 0 [pid 5081] close(6) = -1 EBADF (Bad file descriptor) [pid 5081] close(7) = -1 EBADF (Bad file descriptor) [pid 5081] close(8) = -1 EBADF (Bad file descriptor) [pid 5081] close(9) = -1 EBADF (Bad file descriptor) [pid 5081] close(10) = -1 EBADF (Bad file descriptor) [pid 5081] close(11) = -1 EBADF (Bad file descriptor) [pid 5081] close(12) = -1 EBADF (Bad file descriptor) [pid 5081] close(13) = -1 EBADF (Bad file descriptor) [pid 5081] close(14) = -1 EBADF (Bad file descriptor) [pid 5081] close(15) = -1 EBADF (Bad file descriptor) [pid 5081] close(16) = -1 EBADF (Bad file descriptor) [pid 5081] close(17) = -1 EBADF (Bad file descriptor) [pid 5081] close(18) = -1 EBADF (Bad file descriptor) [pid 5081] close(19) = -1 EBADF (Bad file descriptor) [pid 5081] close(20) = -1 EBADF (Bad file descriptor) [pid 5081] close(21) = -1 EBADF (Bad file descriptor) [pid 5081] close(22) = -1 EBADF (Bad file descriptor) [pid 5081] close(23) = -1 EBADF (Bad file descriptor) [pid 5081] close(24) = -1 EBADF (Bad file descriptor) [pid 5081] close(25) = -1 EBADF (Bad file descriptor) [pid 5081] close(26) = -1 EBADF (Bad file descriptor) [pid 5081] close(27) = -1 EBADF (Bad file descriptor) [pid 5081] close(28) = -1 EBADF (Bad file descriptor) [pid 5081] close(29) = -1 EBADF (Bad file descriptor) [pid 5081] exit_group(0) = ? [pid 5081] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./16/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./16/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./16/cgroup.cpu") = 0 [pid 5062] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./16/binderfs") = 0 [pid 5062] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./16/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./16/file0") = 0 [pid 5062] umount2("./16/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./16/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./16/cgroup") = 0 [pid 5062] umount2("./16/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./16/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./16/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./16") = 0 [pid 5062] mkdir("./17", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5082 attached [pid 5082] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 19 [pid 5082] <... set_robust_list resumed>) = 0 [pid 5082] chdir("./17") = 0 [pid 5082] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5082] setpgid(0, 0) = 0 [pid 5082] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5082] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5082] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5082] write(3, "1000", 4) = 4 [pid 5082] close(3) = 0 [pid 5082] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5082] memfd_create("syzkaller", 0) = 3 [pid 5082] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5082] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5082] munmap(0x7f9497c79000, 138412032) = 0 [pid 5082] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5082] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5082] close(3) = 0 [pid 5082] mkdir("./file0", 0777) = 0 [ 90.851235][ T5082] loop0: detected capacity change from 0 to 4096 [ 90.865524][ T5082] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5082] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5082] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5082] chdir("./file0") = 0 [pid 5082] ioctl(4, LOOP_CLR_FD) = 0 [pid 5082] close(4) = 0 [ 90.900998][ T5082] ntfs: volume version 3.1. [pid 5082] creat("./file2", 000) = 4 [pid 5082] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5082] creat("./file2", 000) = 5 [pid 5082] close(3) = 0 [pid 5082] close(4) = 0 [pid 5082] close(5) = 0 [pid 5082] close(6) = -1 EBADF (Bad file descriptor) [pid 5082] close(7) = -1 EBADF (Bad file descriptor) [pid 5082] close(8) = -1 EBADF (Bad file descriptor) [pid 5082] close(9) = -1 EBADF (Bad file descriptor) [pid 5082] close(10) = -1 EBADF (Bad file descriptor) [pid 5082] close(11) = -1 EBADF (Bad file descriptor) [pid 5082] close(12) = -1 EBADF (Bad file descriptor) [pid 5082] close(13) = -1 EBADF (Bad file descriptor) [pid 5082] close(14) = -1 EBADF (Bad file descriptor) [pid 5082] close(15) = -1 EBADF (Bad file descriptor) [pid 5082] close(16) = -1 EBADF (Bad file descriptor) [pid 5082] close(17) = -1 EBADF (Bad file descriptor) [pid 5082] close(18) = -1 EBADF (Bad file descriptor) [pid 5082] close(19) = -1 EBADF (Bad file descriptor) [pid 5082] close(20) = -1 EBADF (Bad file descriptor) [pid 5082] close(21) = -1 EBADF (Bad file descriptor) [pid 5082] close(22) = -1 EBADF (Bad file descriptor) [pid 5082] close(23) = -1 EBADF (Bad file descriptor) [pid 5082] close(24) = -1 EBADF (Bad file descriptor) [pid 5082] close(25) = -1 EBADF (Bad file descriptor) [pid 5082] close(26) = -1 EBADF (Bad file descriptor) [pid 5082] close(27) = -1 EBADF (Bad file descriptor) [pid 5082] close(28) = -1 EBADF (Bad file descriptor) [pid 5082] close(29) = -1 EBADF (Bad file descriptor) [pid 5082] exit_group(0) = ? [pid 5082] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./17/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./17/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./17/cgroup.cpu") = 0 [pid 5062] umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./17/binderfs") = 0 [pid 5062] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./17/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./17/file0") = 0 [pid 5062] umount2("./17/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./17/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./17/cgroup") = 0 [pid 5062] umount2("./17/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./17/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./17/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./17") = 0 [pid 5062] mkdir("./18", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5083 attached [pid 5083] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 20 [pid 5083] <... set_robust_list resumed>) = 0 [pid 5083] chdir("./18") = 0 [pid 5083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5083] setpgid(0, 0) = 0 [pid 5083] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5083] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5083] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5083] write(3, "1000", 4) = 4 [pid 5083] close(3) = 0 [pid 5083] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5083] memfd_create("syzkaller", 0) = 3 [pid 5083] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5083] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5083] munmap(0x7f9497c79000, 138412032) = 0 [pid 5083] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5083] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5083] close(3) = 0 [pid 5083] mkdir("./file0", 0777) = 0 [ 91.630472][ T5083] loop0: detected capacity change from 0 to 4096 [ 91.655506][ T5083] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5083] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5083] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5083] chdir("./file0") = 0 [pid 5083] ioctl(4, LOOP_CLR_FD) = 0 [ 91.691125][ T5083] ntfs: volume version 3.1. [pid 5083] close(4) = 0 [pid 5083] creat("./file2", 000) = 4 [pid 5083] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5083] creat("./file2", 000) = 5 [pid 5083] close(3) = 0 [pid 5083] close(4) = 0 [pid 5083] close(5) = 0 [pid 5083] close(6) = -1 EBADF (Bad file descriptor) [pid 5083] close(7) = -1 EBADF (Bad file descriptor) [pid 5083] close(8) = -1 EBADF (Bad file descriptor) [pid 5083] close(9) = -1 EBADF (Bad file descriptor) [pid 5083] close(10) = -1 EBADF (Bad file descriptor) [pid 5083] close(11) = -1 EBADF (Bad file descriptor) [pid 5083] close(12) = -1 EBADF (Bad file descriptor) [pid 5083] close(13) = -1 EBADF (Bad file descriptor) [pid 5083] close(14) = -1 EBADF (Bad file descriptor) [pid 5083] close(15) = -1 EBADF (Bad file descriptor) [pid 5083] close(16) = -1 EBADF (Bad file descriptor) [pid 5083] close(17) = -1 EBADF (Bad file descriptor) [pid 5083] close(18) = -1 EBADF (Bad file descriptor) [pid 5083] close(19) = -1 EBADF (Bad file descriptor) [pid 5083] close(20) = -1 EBADF (Bad file descriptor) [pid 5083] close(21) = -1 EBADF (Bad file descriptor) [pid 5083] close(22) = -1 EBADF (Bad file descriptor) [pid 5083] close(23) = -1 EBADF (Bad file descriptor) [pid 5083] close(24) = -1 EBADF (Bad file descriptor) [pid 5083] close(25) = -1 EBADF (Bad file descriptor) [pid 5083] close(26) = -1 EBADF (Bad file descriptor) [pid 5083] close(27) = -1 EBADF (Bad file descriptor) [pid 5083] close(28) = -1 EBADF (Bad file descriptor) [pid 5083] close(29) = -1 EBADF (Bad file descriptor) [pid 5083] exit_group(0) = ? [pid 5083] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./18/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./18/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./18/cgroup.cpu") = 0 [pid 5062] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./18/binderfs") = 0 [pid 5062] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./18/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./18/file0") = 0 [pid 5062] umount2("./18/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./18/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./18/cgroup") = 0 [pid 5062] umount2("./18/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./18/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./18/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./18") = 0 [pid 5062] mkdir("./19", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5084 attached [pid 5084] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 21 [pid 5084] <... set_robust_list resumed>) = 0 [pid 5084] chdir("./19") = 0 [pid 5084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5084] setpgid(0, 0) = 0 [pid 5084] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5084] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5084] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5084] write(3, "1000", 4) = 4 [pid 5084] close(3) = 0 [pid 5084] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5084] memfd_create("syzkaller", 0) = 3 [pid 5084] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5084] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5084] munmap(0x7f9497c79000, 138412032) = 0 [pid 5084] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5084] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5084] close(3) = 0 [pid 5084] mkdir("./file0", 0777) = 0 [ 92.249590][ T5084] loop0: detected capacity change from 0 to 4096 [ 92.273865][ T5084] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5084] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5084] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5084] chdir("./file0") = 0 [pid 5084] ioctl(4, LOOP_CLR_FD) = 0 [pid 5084] close(4) = 0 [pid 5084] creat("./file2", 000) = 4 [ 92.310013][ T5084] ntfs: volume version 3.1. [pid 5084] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5084] creat("./file2", 000) = 5 [pid 5084] close(3) = 0 [pid 5084] close(4) = 0 [pid 5084] close(5) = 0 [pid 5084] close(6) = -1 EBADF (Bad file descriptor) [pid 5084] close(7) = -1 EBADF (Bad file descriptor) [pid 5084] close(8) = -1 EBADF (Bad file descriptor) [pid 5084] close(9) = -1 EBADF (Bad file descriptor) [pid 5084] close(10) = -1 EBADF (Bad file descriptor) [pid 5084] close(11) = -1 EBADF (Bad file descriptor) [pid 5084] close(12) = -1 EBADF (Bad file descriptor) [pid 5084] close(13) = -1 EBADF (Bad file descriptor) [pid 5084] close(14) = -1 EBADF (Bad file descriptor) [pid 5084] close(15) = -1 EBADF (Bad file descriptor) [pid 5084] close(16) = -1 EBADF (Bad file descriptor) [pid 5084] close(17) = -1 EBADF (Bad file descriptor) [pid 5084] close(18) = -1 EBADF (Bad file descriptor) [pid 5084] close(19) = -1 EBADF (Bad file descriptor) [pid 5084] close(20) = -1 EBADF (Bad file descriptor) [pid 5084] close(21) = -1 EBADF (Bad file descriptor) [pid 5084] close(22) = -1 EBADF (Bad file descriptor) [pid 5084] close(23) = -1 EBADF (Bad file descriptor) [pid 5084] close(24) = -1 EBADF (Bad file descriptor) [pid 5084] close(25) = -1 EBADF (Bad file descriptor) [pid 5084] close(26) = -1 EBADF (Bad file descriptor) [pid 5084] close(27) = -1 EBADF (Bad file descriptor) [pid 5084] close(28) = -1 EBADF (Bad file descriptor) [pid 5084] close(29) = -1 EBADF (Bad file descriptor) [pid 5084] exit_group(0) = ? [pid 5084] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=21, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./19/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./19/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./19/cgroup.cpu") = 0 [pid 5062] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./19/binderfs") = 0 [pid 5062] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./19/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./19/file0") = 0 [pid 5062] umount2("./19/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./19/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./19/cgroup") = 0 [pid 5062] umount2("./19/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./19/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./19/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./19") = 0 [pid 5062] mkdir("./20", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5085 attached [pid 5085] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 22 [pid 5085] <... set_robust_list resumed>) = 0 [pid 5085] chdir("./20") = 0 [pid 5085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5085] setpgid(0, 0) = 0 [pid 5085] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5085] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5085] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5085] write(3, "1000", 4) = 4 [pid 5085] close(3) = 0 [pid 5085] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5085] memfd_create("syzkaller", 0) = 3 [pid 5085] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5085] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5085] munmap(0x7f9497c79000, 138412032) = 0 [pid 5085] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5085] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5085] close(3) = 0 [pid 5085] mkdir("./file0", 0777) = 0 [ 92.939914][ T5085] loop0: detected capacity change from 0 to 4096 [pid 5085] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5085] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5085] chdir("./file0") = 0 [pid 5085] ioctl(4, LOOP_CLR_FD) = 0 [pid 5085] close(4) = 0 [pid 5085] creat("./file2", 000) = 4 [ 92.970326][ T5085] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [ 93.001914][ T5085] ntfs: volume version 3.1. [pid 5085] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5085] creat("./file2", 000) = 5 [pid 5085] close(3) = 0 [pid 5085] close(4) = 0 [pid 5085] close(5) = 0 [pid 5085] close(6) = -1 EBADF (Bad file descriptor) [pid 5085] close(7) = -1 EBADF (Bad file descriptor) [pid 5085] close(8) = -1 EBADF (Bad file descriptor) [pid 5085] close(9) = -1 EBADF (Bad file descriptor) [pid 5085] close(10) = -1 EBADF (Bad file descriptor) [pid 5085] close(11) = -1 EBADF (Bad file descriptor) [pid 5085] close(12) = -1 EBADF (Bad file descriptor) [pid 5085] close(13) = -1 EBADF (Bad file descriptor) [pid 5085] close(14) = -1 EBADF (Bad file descriptor) [pid 5085] close(15) = -1 EBADF (Bad file descriptor) [pid 5085] close(16) = -1 EBADF (Bad file descriptor) [pid 5085] close(17) = -1 EBADF (Bad file descriptor) [pid 5085] close(18) = -1 EBADF (Bad file descriptor) [pid 5085] close(19) = -1 EBADF (Bad file descriptor) [pid 5085] close(20) = -1 EBADF (Bad file descriptor) [pid 5085] close(21) = -1 EBADF (Bad file descriptor) [pid 5085] close(22) = -1 EBADF (Bad file descriptor) [pid 5085] close(23) = -1 EBADF (Bad file descriptor) [pid 5085] close(24) = -1 EBADF (Bad file descriptor) [pid 5085] close(25) = -1 EBADF (Bad file descriptor) [pid 5085] close(26) = -1 EBADF (Bad file descriptor) [pid 5085] close(27) = -1 EBADF (Bad file descriptor) [pid 5085] close(28) = -1 EBADF (Bad file descriptor) [pid 5085] close(29) = -1 EBADF (Bad file descriptor) [pid 5085] exit_group(0) = ? [pid 5085] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./20/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./20/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./20/cgroup.cpu") = 0 [pid 5062] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./20/binderfs") = 0 [pid 5062] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./20/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./20/file0") = 0 [pid 5062] umount2("./20/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./20/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./20/cgroup") = 0 [pid 5062] umount2("./20/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./20/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./20/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./20") = 0 [pid 5062] mkdir("./21", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5086 attached [pid 5086] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 23 [pid 5086] <... set_robust_list resumed>) = 0 [pid 5086] chdir("./21") = 0 [pid 5086] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5086] setpgid(0, 0) = 0 [pid 5086] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5086] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5086] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5086] write(3, "1000", 4) = 4 [pid 5086] close(3) = 0 [pid 5086] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5086] memfd_create("syzkaller", 0) = 3 [pid 5086] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5086] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5086] munmap(0x7f9497c79000, 138412032) = 0 [pid 5086] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5086] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5086] close(3) = 0 [pid 5086] mkdir("./file0", 0777) = 0 [pid 5086] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5086] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5086] chdir("./file0") = 0 [ 93.495455][ T5086] loop0: detected capacity change from 0 to 4096 [ 93.505051][ T5086] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [ 93.540318][ T5086] ntfs: volume version 3.1. [pid 5086] ioctl(4, LOOP_CLR_FD) = 0 [pid 5086] close(4) = 0 [pid 5086] creat("./file2", 000) = 4 [pid 5086] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5086] creat("./file2", 000) = 5 [pid 5086] close(3) = 0 [pid 5086] close(4) = 0 [pid 5086] close(5) = 0 [pid 5086] close(6) = -1 EBADF (Bad file descriptor) [pid 5086] close(7) = -1 EBADF (Bad file descriptor) [pid 5086] close(8) = -1 EBADF (Bad file descriptor) [pid 5086] close(9) = -1 EBADF (Bad file descriptor) [pid 5086] close(10) = -1 EBADF (Bad file descriptor) [pid 5086] close(11) = -1 EBADF (Bad file descriptor) [pid 5086] close(12) = -1 EBADF (Bad file descriptor) [pid 5086] close(13) = -1 EBADF (Bad file descriptor) [pid 5086] close(14) = -1 EBADF (Bad file descriptor) [pid 5086] close(15) = -1 EBADF (Bad file descriptor) [pid 5086] close(16) = -1 EBADF (Bad file descriptor) [pid 5086] close(17) = -1 EBADF (Bad file descriptor) [pid 5086] close(18) = -1 EBADF (Bad file descriptor) [pid 5086] close(19) = -1 EBADF (Bad file descriptor) [pid 5086] close(20) = -1 EBADF (Bad file descriptor) [pid 5086] close(21) = -1 EBADF (Bad file descriptor) [pid 5086] close(22) = -1 EBADF (Bad file descriptor) [pid 5086] close(23) = -1 EBADF (Bad file descriptor) [pid 5086] close(24) = -1 EBADF (Bad file descriptor) [pid 5086] close(25) = -1 EBADF (Bad file descriptor) [pid 5086] close(26) = -1 EBADF (Bad file descriptor) [pid 5086] close(27) = -1 EBADF (Bad file descriptor) [pid 5086] close(28) = -1 EBADF (Bad file descriptor) [pid 5086] close(29) = -1 EBADF (Bad file descriptor) [pid 5086] exit_group(0) = ? [pid 5086] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./21/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./21/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./21/cgroup.cpu") = 0 [pid 5062] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./21/binderfs") = 0 [pid 5062] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./21/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./21/file0") = 0 [pid 5062] umount2("./21/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./21/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./21/cgroup") = 0 [pid 5062] umount2("./21/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./21/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./21/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./21") = 0 [pid 5062] mkdir("./22", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5087 attached , child_tidptr=0x555556e8b650) = 24 [pid 5087] set_robust_list(0x555556e8b660, 24) = 0 [pid 5087] chdir("./22") = 0 [pid 5087] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5087] setpgid(0, 0) = 0 [pid 5087] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5087] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5087] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5087] write(3, "1000", 4) = 4 [pid 5087] close(3) = 0 [pid 5087] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5087] memfd_create("syzkaller", 0) = 3 [pid 5087] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5087] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5087] munmap(0x7f9497c79000, 138412032) = 0 [pid 5087] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5087] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5087] close(3) = 0 [pid 5087] mkdir("./file0", 0777) = 0 [ 94.104856][ T5087] loop0: detected capacity change from 0 to 4096 [ 94.124345][ T5087] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5087] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5087] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5087] chdir("./file0") = 0 [pid 5087] ioctl(4, LOOP_CLR_FD) = 0 [pid 5087] close(4) = 0 [ 94.156904][ T5087] ntfs: volume version 3.1. [pid 5087] creat("./file2", 000) = 4 [pid 5087] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5087] creat("./file2", 000) = 5 [pid 5087] close(3) = 0 [pid 5087] close(4) = 0 [pid 5087] close(5) = 0 [pid 5087] close(6) = -1 EBADF (Bad file descriptor) [pid 5087] close(7) = -1 EBADF (Bad file descriptor) [pid 5087] close(8) = -1 EBADF (Bad file descriptor) [pid 5087] close(9) = -1 EBADF (Bad file descriptor) [pid 5087] close(10) = -1 EBADF (Bad file descriptor) [pid 5087] close(11) = -1 EBADF (Bad file descriptor) [pid 5087] close(12) = -1 EBADF (Bad file descriptor) [pid 5087] close(13) = -1 EBADF (Bad file descriptor) [pid 5087] close(14) = -1 EBADF (Bad file descriptor) [pid 5087] close(15) = -1 EBADF (Bad file descriptor) [pid 5087] close(16) = -1 EBADF (Bad file descriptor) [pid 5087] close(17) = -1 EBADF (Bad file descriptor) [pid 5087] close(18) = -1 EBADF (Bad file descriptor) [pid 5087] close(19) = -1 EBADF (Bad file descriptor) [pid 5087] close(20) = -1 EBADF (Bad file descriptor) [pid 5087] close(21) = -1 EBADF (Bad file descriptor) [pid 5087] close(22) = -1 EBADF (Bad file descriptor) [pid 5087] close(23) = -1 EBADF (Bad file descriptor) [pid 5087] close(24) = -1 EBADF (Bad file descriptor) [pid 5087] close(25) = -1 EBADF (Bad file descriptor) [pid 5087] close(26) = -1 EBADF (Bad file descriptor) [pid 5087] close(27) = -1 EBADF (Bad file descriptor) [pid 5087] close(28) = -1 EBADF (Bad file descriptor) [pid 5087] close(29) = -1 EBADF (Bad file descriptor) [pid 5087] exit_group(0) = ? [pid 5087] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=24, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./22/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./22/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./22/cgroup.cpu") = 0 [pid 5062] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./22/binderfs") = 0 [pid 5062] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./22/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./22/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./22/file0") = 0 [pid 5062] umount2("./22/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./22/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./22/cgroup") = 0 [pid 5062] umount2("./22/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./22/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./22/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./22") = 0 [pid 5062] mkdir("./23", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e8b650) = 25 ./strace-static-x86_64: Process 5088 attached [pid 5088] set_robust_list(0x555556e8b660, 24) = 0 [pid 5088] chdir("./23") = 0 [pid 5088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5088] setpgid(0, 0) = 0 [pid 5088] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5088] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5088] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5088] write(3, "1000", 4) = 4 [pid 5088] close(3) = 0 [pid 5088] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5088] memfd_create("syzkaller", 0) = 3 [pid 5088] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5088] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5088] munmap(0x7f9497c79000, 138412032) = 0 [pid 5088] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5088] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5088] close(3) = 0 [pid 5088] mkdir("./file0", 0777) = 0 [ 94.689002][ T5088] loop0: detected capacity change from 0 to 4096 [ 94.714284][ T5088] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5088] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5088] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5088] chdir("./file0") = 0 [pid 5088] ioctl(4, LOOP_CLR_FD) = 0 [pid 5088] close(4) = 0 [ 94.748600][ T5088] ntfs: volume version 3.1. [pid 5088] creat("./file2", 000) = 4 [pid 5088] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5088] creat("./file2", 000) = 5 [pid 5088] close(3) = 0 [pid 5088] close(4) = 0 [pid 5088] close(5) = 0 [pid 5088] close(6) = -1 EBADF (Bad file descriptor) [pid 5088] close(7) = -1 EBADF (Bad file descriptor) [pid 5088] close(8) = -1 EBADF (Bad file descriptor) [pid 5088] close(9) = -1 EBADF (Bad file descriptor) [pid 5088] close(10) = -1 EBADF (Bad file descriptor) [pid 5088] close(11) = -1 EBADF (Bad file descriptor) [pid 5088] close(12) = -1 EBADF (Bad file descriptor) [pid 5088] close(13) = -1 EBADF (Bad file descriptor) [pid 5088] close(14) = -1 EBADF (Bad file descriptor) [pid 5088] close(15) = -1 EBADF (Bad file descriptor) [pid 5088] close(16) = -1 EBADF (Bad file descriptor) [pid 5088] close(17) = -1 EBADF (Bad file descriptor) [pid 5088] close(18) = -1 EBADF (Bad file descriptor) [pid 5088] close(19) = -1 EBADF (Bad file descriptor) [pid 5088] close(20) = -1 EBADF (Bad file descriptor) [pid 5088] close(21) = -1 EBADF (Bad file descriptor) [pid 5088] close(22) = -1 EBADF (Bad file descriptor) [pid 5088] close(23) = -1 EBADF (Bad file descriptor) [pid 5088] close(24) = -1 EBADF (Bad file descriptor) [pid 5088] close(25) = -1 EBADF (Bad file descriptor) [pid 5088] close(26) = -1 EBADF (Bad file descriptor) [pid 5088] close(27) = -1 EBADF (Bad file descriptor) [pid 5088] close(28) = -1 EBADF (Bad file descriptor) [pid 5088] close(29) = -1 EBADF (Bad file descriptor) [pid 5088] exit_group(0) = ? [pid 5088] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=25, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./23/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./23/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./23/cgroup.cpu") = 0 [pid 5062] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./23/binderfs") = 0 [pid 5062] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./23/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./23/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./23/file0") = 0 [pid 5062] umount2("./23/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./23/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./23/cgroup") = 0 [pid 5062] umount2("./23/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./23/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./23/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./23") = 0 [pid 5062] mkdir("./24", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5089 attached [pid 5089] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 26 [pid 5089] <... set_robust_list resumed>) = 0 [pid 5089] chdir("./24") = 0 [pid 5089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5089] setpgid(0, 0) = 0 [pid 5089] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5089] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5089] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5089] write(3, "1000", 4) = 4 [pid 5089] close(3) = 0 [pid 5089] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5089] memfd_create("syzkaller", 0) = 3 [pid 5089] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5089] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5089] munmap(0x7f9497c79000, 138412032) = 0 [pid 5089] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5089] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5089] close(3) = 0 [pid 5089] mkdir("./file0", 0777) = 0 [pid 5089] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5089] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5089] chdir("./file0") = 0 [pid 5089] ioctl(4, LOOP_CLR_FD) = 0 [pid 5089] close(4) = 0 [ 95.280825][ T5089] loop0: detected capacity change from 0 to 4096 [ 95.291248][ T5089] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [ 95.326177][ T5089] ntfs: volume version 3.1. [pid 5089] creat("./file2", 000) = 4 [pid 5089] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5089] creat("./file2", 000) = 5 [pid 5089] close(3) = 0 [pid 5089] close(4) = 0 [pid 5089] close(5) = 0 [pid 5089] close(6) = -1 EBADF (Bad file descriptor) [pid 5089] close(7) = -1 EBADF (Bad file descriptor) [pid 5089] close(8) = -1 EBADF (Bad file descriptor) [pid 5089] close(9) = -1 EBADF (Bad file descriptor) [pid 5089] close(10) = -1 EBADF (Bad file descriptor) [pid 5089] close(11) = -1 EBADF (Bad file descriptor) [pid 5089] close(12) = -1 EBADF (Bad file descriptor) [pid 5089] close(13) = -1 EBADF (Bad file descriptor) [pid 5089] close(14) = -1 EBADF (Bad file descriptor) [pid 5089] close(15) = -1 EBADF (Bad file descriptor) [pid 5089] close(16) = -1 EBADF (Bad file descriptor) [pid 5089] close(17) = -1 EBADF (Bad file descriptor) [pid 5089] close(18) = -1 EBADF (Bad file descriptor) [pid 5089] close(19) = -1 EBADF (Bad file descriptor) [pid 5089] close(20) = -1 EBADF (Bad file descriptor) [pid 5089] close(21) = -1 EBADF (Bad file descriptor) [pid 5089] close(22) = -1 EBADF (Bad file descriptor) [pid 5089] close(23) = -1 EBADF (Bad file descriptor) [pid 5089] close(24) = -1 EBADF (Bad file descriptor) [pid 5089] close(25) = -1 EBADF (Bad file descriptor) [pid 5089] close(26) = -1 EBADF (Bad file descriptor) [pid 5089] close(27) = -1 EBADF (Bad file descriptor) [pid 5089] close(28) = -1 EBADF (Bad file descriptor) [pid 5089] close(29) = -1 EBADF (Bad file descriptor) [pid 5089] exit_group(0) = ? [pid 5089] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=5 /* 0.05 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./24/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./24/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./24/cgroup.cpu") = 0 [pid 5062] umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./24/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./24/binderfs") = 0 [pid 5062] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./24/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./24/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./24/file0") = 0 [pid 5062] umount2("./24/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./24/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./24/cgroup") = 0 [pid 5062] umount2("./24/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./24/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./24/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./24") = 0 [pid 5062] mkdir("./25", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5090 attached , child_tidptr=0x555556e8b650) = 27 [pid 5090] set_robust_list(0x555556e8b660, 24) = 0 [pid 5090] chdir("./25") = 0 [pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5090] setpgid(0, 0) = 0 [pid 5090] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5090] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5090] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5090] write(3, "1000", 4) = 4 [pid 5090] close(3) = 0 [pid 5090] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5090] memfd_create("syzkaller", 0) = 3 [pid 5090] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5090] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5090] munmap(0x7f9497c79000, 138412032) = 0 [pid 5090] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5090] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5090] close(3) = 0 [pid 5090] mkdir("./file0", 0777) = 0 [ 95.854550][ T5090] loop0: detected capacity change from 0 to 4096 [ 95.870307][ T5090] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5090] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5090] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5090] chdir("./file0") = 0 [pid 5090] ioctl(4, LOOP_CLR_FD) = 0 [pid 5090] close(4) = 0 [pid 5090] creat("./file2", 000) = 4 [ 95.905161][ T5090] ntfs: volume version 3.1. [pid 5090] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5090] creat("./file2", 000) = 5 [pid 5090] close(3) = 0 [pid 5090] close(4) = 0 [pid 5090] close(5) = 0 [pid 5090] close(6) = -1 EBADF (Bad file descriptor) [pid 5090] close(7) = -1 EBADF (Bad file descriptor) [pid 5090] close(8) = -1 EBADF (Bad file descriptor) [pid 5090] close(9) = -1 EBADF (Bad file descriptor) [pid 5090] close(10) = -1 EBADF (Bad file descriptor) [pid 5090] close(11) = -1 EBADF (Bad file descriptor) [pid 5090] close(12) = -1 EBADF (Bad file descriptor) [pid 5090] close(13) = -1 EBADF (Bad file descriptor) [pid 5090] close(14) = -1 EBADF (Bad file descriptor) [pid 5090] close(15) = -1 EBADF (Bad file descriptor) [pid 5090] close(16) = -1 EBADF (Bad file descriptor) [pid 5090] close(17) = -1 EBADF (Bad file descriptor) [pid 5090] close(18) = -1 EBADF (Bad file descriptor) [pid 5090] close(19) = -1 EBADF (Bad file descriptor) [pid 5090] close(20) = -1 EBADF (Bad file descriptor) [pid 5090] close(21) = -1 EBADF (Bad file descriptor) [pid 5090] close(22) = -1 EBADF (Bad file descriptor) [pid 5090] close(23) = -1 EBADF (Bad file descriptor) [pid 5090] close(24) = -1 EBADF (Bad file descriptor) [pid 5090] close(25) = -1 EBADF (Bad file descriptor) [pid 5090] close(26) = -1 EBADF (Bad file descriptor) [pid 5090] close(27) = -1 EBADF (Bad file descriptor) [pid 5090] close(28) = -1 EBADF (Bad file descriptor) [pid 5090] close(29) = -1 EBADF (Bad file descriptor) [pid 5090] exit_group(0) = ? [pid 5090] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=27, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./25/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./25/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./25/cgroup.cpu") = 0 [pid 5062] umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./25/binderfs") = 0 [pid 5062] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./25/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./25/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./25/file0") = 0 [pid 5062] umount2("./25/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./25/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./25/cgroup") = 0 [pid 5062] umount2("./25/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./25/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./25/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./25") = 0 [pid 5062] mkdir("./26", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5091 attached [pid 5091] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 28 [pid 5091] <... set_robust_list resumed>) = 0 [pid 5091] chdir("./26") = 0 [pid 5091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5091] setpgid(0, 0) = 0 [pid 5091] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5091] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5091] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5091] write(3, "1000", 4) = 4 [pid 5091] close(3) = 0 [pid 5091] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5091] memfd_create("syzkaller", 0) = 3 [pid 5091] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5091] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5091] munmap(0x7f9497c79000, 138412032) = 0 [pid 5091] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5091] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5091] close(3) = 0 [pid 5091] mkdir("./file0", 0777) = 0 [ 96.445600][ T5091] loop0: detected capacity change from 0 to 4096 [ 96.465384][ T5091] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5091] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5091] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5091] chdir("./file0") = 0 [pid 5091] ioctl(4, LOOP_CLR_FD) = 0 [pid 5091] close(4) = 0 [ 96.501068][ T5091] ntfs: volume version 3.1. [pid 5091] creat("./file2", 000) = 4 [pid 5091] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5091] creat("./file2", 000) = 5 [pid 5091] close(3) = 0 [pid 5091] close(4) = 0 [pid 5091] close(5) = 0 [pid 5091] close(6) = -1 EBADF (Bad file descriptor) [pid 5091] close(7) = -1 EBADF (Bad file descriptor) [pid 5091] close(8) = -1 EBADF (Bad file descriptor) [pid 5091] close(9) = -1 EBADF (Bad file descriptor) [pid 5091] close(10) = -1 EBADF (Bad file descriptor) [pid 5091] close(11) = -1 EBADF (Bad file descriptor) [pid 5091] close(12) = -1 EBADF (Bad file descriptor) [pid 5091] close(13) = -1 EBADF (Bad file descriptor) [pid 5091] close(14) = -1 EBADF (Bad file descriptor) [pid 5091] close(15) = -1 EBADF (Bad file descriptor) [pid 5091] close(16) = -1 EBADF (Bad file descriptor) [pid 5091] close(17) = -1 EBADF (Bad file descriptor) [pid 5091] close(18) = -1 EBADF (Bad file descriptor) [pid 5091] close(19) = -1 EBADF (Bad file descriptor) [pid 5091] close(20) = -1 EBADF (Bad file descriptor) [pid 5091] close(21) = -1 EBADF (Bad file descriptor) [pid 5091] close(22) = -1 EBADF (Bad file descriptor) [pid 5091] close(23) = -1 EBADF (Bad file descriptor) [pid 5091] close(24) = -1 EBADF (Bad file descriptor) [pid 5091] close(25) = -1 EBADF (Bad file descriptor) [pid 5091] close(26) = -1 EBADF (Bad file descriptor) [pid 5091] close(27) = -1 EBADF (Bad file descriptor) [pid 5091] close(28) = -1 EBADF (Bad file descriptor) [pid 5091] close(29) = -1 EBADF (Bad file descriptor) [pid 5091] exit_group(0) = ? [pid 5091] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=28, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./26/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./26/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./26/cgroup.cpu") = 0 [pid 5062] umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./26/binderfs") = 0 [pid 5062] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./26/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./26/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./26/file0") = 0 [pid 5062] umount2("./26/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./26/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./26/cgroup") = 0 [pid 5062] umount2("./26/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./26/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./26/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./26") = 0 [pid 5062] mkdir("./27", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5092 attached [pid 5092] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 29 [pid 5092] <... set_robust_list resumed>) = 0 [pid 5092] chdir("./27") = 0 [pid 5092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5092] setpgid(0, 0) = 0 [pid 5092] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5092] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5092] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5092] write(3, "1000", 4) = 4 [pid 5092] close(3) = 0 [pid 5092] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5092] memfd_create("syzkaller", 0) = 3 [pid 5092] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5092] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5092] munmap(0x7f9497c79000, 138412032) = 0 [pid 5092] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5092] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5092] close(3) = 0 [pid 5092] mkdir("./file0", 0777) = 0 [ 97.101456][ T5092] loop0: detected capacity change from 0 to 4096 [ 97.126626][ T5092] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5092] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5092] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5092] chdir("./file0") = 0 [pid 5092] ioctl(4, LOOP_CLR_FD) = 0 [pid 5092] close(4) = 0 [ 97.159183][ T5092] ntfs: volume version 3.1. [pid 5092] creat("./file2", 000) = 4 [pid 5092] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5092] creat("./file2", 000) = 5 [pid 5092] close(3) = 0 [pid 5092] close(4) = 0 [pid 5092] close(5) = 0 [pid 5092] close(6) = -1 EBADF (Bad file descriptor) [pid 5092] close(7) = -1 EBADF (Bad file descriptor) [pid 5092] close(8) = -1 EBADF (Bad file descriptor) [pid 5092] close(9) = -1 EBADF (Bad file descriptor) [pid 5092] close(10) = -1 EBADF (Bad file descriptor) [pid 5092] close(11) = -1 EBADF (Bad file descriptor) [pid 5092] close(12) = -1 EBADF (Bad file descriptor) [pid 5092] close(13) = -1 EBADF (Bad file descriptor) [pid 5092] close(14) = -1 EBADF (Bad file descriptor) [pid 5092] close(15) = -1 EBADF (Bad file descriptor) [pid 5092] close(16) = -1 EBADF (Bad file descriptor) [pid 5092] close(17) = -1 EBADF (Bad file descriptor) [pid 5092] close(18) = -1 EBADF (Bad file descriptor) [pid 5092] close(19) = -1 EBADF (Bad file descriptor) [pid 5092] close(20) = -1 EBADF (Bad file descriptor) [pid 5092] close(21) = -1 EBADF (Bad file descriptor) [pid 5092] close(22) = -1 EBADF (Bad file descriptor) [pid 5092] close(23) = -1 EBADF (Bad file descriptor) [pid 5092] close(24) = -1 EBADF (Bad file descriptor) [pid 5092] close(25) = -1 EBADF (Bad file descriptor) [pid 5092] close(26) = -1 EBADF (Bad file descriptor) [pid 5092] close(27) = -1 EBADF (Bad file descriptor) [pid 5092] close(28) = -1 EBADF (Bad file descriptor) [pid 5092] close(29) = -1 EBADF (Bad file descriptor) [pid 5092] exit_group(0) = ? [pid 5092] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5062] umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./27/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./27/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./27/cgroup.cpu") = 0 [pid 5062] umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./27/binderfs") = 0 [pid 5062] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./27/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./27/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./27/file0") = 0 [pid 5062] umount2("./27/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./27/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./27/cgroup") = 0 [pid 5062] umount2("./27/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./27/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./27/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./27") = 0 [pid 5062] mkdir("./28", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5093 attached [pid 5093] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 30 [pid 5093] <... set_robust_list resumed>) = 0 [pid 5093] chdir("./28") = 0 [pid 5093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5093] setpgid(0, 0) = 0 [pid 5093] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5093] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5093] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5093] write(3, "1000", 4) = 4 [pid 5093] close(3) = 0 [pid 5093] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5093] memfd_create("syzkaller", 0) = 3 [pid 5093] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5093] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5093] munmap(0x7f9497c79000, 138412032) = 0 [pid 5093] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5093] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5093] close(3) = 0 [pid 5093] mkdir("./file0", 0777) = 0 [ 97.736159][ T5093] loop0: detected capacity change from 0 to 4096 [ 97.749726][ T5093] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5093] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5093] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5093] chdir("./file0") = 0 [pid 5093] ioctl(4, LOOP_CLR_FD) = 0 [ 97.785127][ T5093] ntfs: volume version 3.1. [pid 5093] close(4) = 0 [pid 5093] creat("./file2", 000) = 4 [pid 5093] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5093] creat("./file2", 000) = 5 [pid 5093] close(3) = 0 [pid 5093] close(4) = 0 [pid 5093] close(5) = 0 [pid 5093] close(6) = -1 EBADF (Bad file descriptor) [pid 5093] close(7) = -1 EBADF (Bad file descriptor) [pid 5093] close(8) = -1 EBADF (Bad file descriptor) [pid 5093] close(9) = -1 EBADF (Bad file descriptor) [pid 5093] close(10) = -1 EBADF (Bad file descriptor) [pid 5093] close(11) = -1 EBADF (Bad file descriptor) [pid 5093] close(12) = -1 EBADF (Bad file descriptor) [pid 5093] close(13) = -1 EBADF (Bad file descriptor) [pid 5093] close(14) = -1 EBADF (Bad file descriptor) [pid 5093] close(15) = -1 EBADF (Bad file descriptor) [pid 5093] close(16) = -1 EBADF (Bad file descriptor) [pid 5093] close(17) = -1 EBADF (Bad file descriptor) [pid 5093] close(18) = -1 EBADF (Bad file descriptor) [pid 5093] close(19) = -1 EBADF (Bad file descriptor) [pid 5093] close(20) = -1 EBADF (Bad file descriptor) [pid 5093] close(21) = -1 EBADF (Bad file descriptor) [pid 5093] close(22) = -1 EBADF (Bad file descriptor) [pid 5093] close(23) = -1 EBADF (Bad file descriptor) [pid 5093] close(24) = -1 EBADF (Bad file descriptor) [pid 5093] close(25) = -1 EBADF (Bad file descriptor) [pid 5093] close(26) = -1 EBADF (Bad file descriptor) [pid 5093] close(27) = -1 EBADF (Bad file descriptor) [pid 5093] close(28) = -1 EBADF (Bad file descriptor) [pid 5093] close(29) = -1 EBADF (Bad file descriptor) [pid 5093] exit_group(0) = ? [pid 5093] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=30, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./28/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./28/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./28/cgroup.cpu") = 0 [pid 5062] umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./28/binderfs") = 0 [pid 5062] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./28/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./28/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./28/file0") = 0 [pid 5062] umount2("./28/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./28/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./28/cgroup") = 0 [pid 5062] umount2("./28/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./28/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./28/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./28") = 0 [pid 5062] mkdir("./29", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5094 attached , child_tidptr=0x555556e8b650) = 31 [pid 5094] set_robust_list(0x555556e8b660, 24) = 0 [pid 5094] chdir("./29") = 0 [pid 5094] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5094] setpgid(0, 0) = 0 [pid 5094] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5094] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5094] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5094] write(3, "1000", 4) = 4 [pid 5094] close(3) = 0 [pid 5094] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5094] memfd_create("syzkaller", 0) = 3 [pid 5094] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5094] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5094] munmap(0x7f9497c79000, 138412032) = 0 [pid 5094] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5094] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5094] close(3) = 0 [pid 5094] mkdir("./file0", 0777) = 0 [ 98.300497][ T5094] loop0: detected capacity change from 0 to 4096 [ 98.325675][ T5094] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5094] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5094] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5094] chdir("./file0") = 0 [pid 5094] ioctl(4, LOOP_CLR_FD) = 0 [pid 5094] close(4) = 0 [pid 5094] creat("./file2", 000) = 4 [ 98.361031][ T5094] ntfs: volume version 3.1. [pid 5094] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5094] creat("./file2", 000) = 5 [pid 5094] close(3) = 0 [pid 5094] close(4) = 0 [pid 5094] close(5) = 0 [pid 5094] close(6) = -1 EBADF (Bad file descriptor) [pid 5094] close(7) = -1 EBADF (Bad file descriptor) [pid 5094] close(8) = -1 EBADF (Bad file descriptor) [pid 5094] close(9) = -1 EBADF (Bad file descriptor) [pid 5094] close(10) = -1 EBADF (Bad file descriptor) [pid 5094] close(11) = -1 EBADF (Bad file descriptor) [pid 5094] close(12) = -1 EBADF (Bad file descriptor) [pid 5094] close(13) = -1 EBADF (Bad file descriptor) [pid 5094] close(14) = -1 EBADF (Bad file descriptor) [pid 5094] close(15) = -1 EBADF (Bad file descriptor) [pid 5094] close(16) = -1 EBADF (Bad file descriptor) [pid 5094] close(17) = -1 EBADF (Bad file descriptor) [pid 5094] close(18) = -1 EBADF (Bad file descriptor) [pid 5094] close(19) = -1 EBADF (Bad file descriptor) [pid 5094] close(20) = -1 EBADF (Bad file descriptor) [pid 5094] close(21) = -1 EBADF (Bad file descriptor) [pid 5094] close(22) = -1 EBADF (Bad file descriptor) [pid 5094] close(23) = -1 EBADF (Bad file descriptor) [pid 5094] close(24) = -1 EBADF (Bad file descriptor) [pid 5094] close(25) = -1 EBADF (Bad file descriptor) [pid 5094] close(26) = -1 EBADF (Bad file descriptor) [pid 5094] close(27) = -1 EBADF (Bad file descriptor) [pid 5094] close(28) = -1 EBADF (Bad file descriptor) [pid 5094] close(29) = -1 EBADF (Bad file descriptor) [pid 5094] exit_group(0) = ? [pid 5094] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=31, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./29/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./29/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./29/cgroup.cpu") = 0 [pid 5062] umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./29/binderfs") = 0 [pid 5062] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./29/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./29/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./29/file0") = 0 [pid 5062] umount2("./29/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./29/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./29/cgroup") = 0 [pid 5062] umount2("./29/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./29/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./29/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./29") = 0 [pid 5062] mkdir("./30", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5095 attached [pid 5095] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 32 [pid 5095] <... set_robust_list resumed>) = 0 [pid 5095] chdir("./30") = 0 [pid 5095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5095] setpgid(0, 0) = 0 [pid 5095] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5095] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5095] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5095] write(3, "1000", 4) = 4 [pid 5095] close(3) = 0 [pid 5095] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5095] memfd_create("syzkaller", 0) = 3 [pid 5095] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5095] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5095] munmap(0x7f9497c79000, 138412032) = 0 [pid 5095] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5095] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5095] close(3) = 0 [pid 5095] mkdir("./file0", 0777) = 0 [ 98.940571][ T5095] loop0: detected capacity change from 0 to 4096 [ 98.964571][ T5095] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5095] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5095] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5095] chdir("./file0") = 0 [pid 5095] ioctl(4, LOOP_CLR_FD) = 0 [ 98.996626][ T5095] ntfs: volume version 3.1. [pid 5095] close(4) = 0 [pid 5095] creat("./file2", 000) = 4 [pid 5095] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5095] creat("./file2", 000) = 5 [pid 5095] close(3) = 0 [pid 5095] close(4) = 0 [pid 5095] close(5) = 0 [pid 5095] close(6) = -1 EBADF (Bad file descriptor) [pid 5095] close(7) = -1 EBADF (Bad file descriptor) [pid 5095] close(8) = -1 EBADF (Bad file descriptor) [pid 5095] close(9) = -1 EBADF (Bad file descriptor) [pid 5095] close(10) = -1 EBADF (Bad file descriptor) [pid 5095] close(11) = -1 EBADF (Bad file descriptor) [pid 5095] close(12) = -1 EBADF (Bad file descriptor) [pid 5095] close(13) = -1 EBADF (Bad file descriptor) [pid 5095] close(14) = -1 EBADF (Bad file descriptor) [pid 5095] close(15) = -1 EBADF (Bad file descriptor) [pid 5095] close(16) = -1 EBADF (Bad file descriptor) [pid 5095] close(17) = -1 EBADF (Bad file descriptor) [pid 5095] close(18) = -1 EBADF (Bad file descriptor) [pid 5095] close(19) = -1 EBADF (Bad file descriptor) [pid 5095] close(20) = -1 EBADF (Bad file descriptor) [pid 5095] close(21) = -1 EBADF (Bad file descriptor) [pid 5095] close(22) = -1 EBADF (Bad file descriptor) [pid 5095] close(23) = -1 EBADF (Bad file descriptor) [pid 5095] close(24) = -1 EBADF (Bad file descriptor) [pid 5095] close(25) = -1 EBADF (Bad file descriptor) [pid 5095] close(26) = -1 EBADF (Bad file descriptor) [pid 5095] close(27) = -1 EBADF (Bad file descriptor) [pid 5095] close(28) = -1 EBADF (Bad file descriptor) [pid 5095] close(29) = -1 EBADF (Bad file descriptor) [pid 5095] exit_group(0) = ? [pid 5095] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./30/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./30/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./30/cgroup.cpu") = 0 [pid 5062] umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./30/binderfs") = 0 [pid 5062] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./30/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./30/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./30/file0") = 0 [pid 5062] umount2("./30/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./30/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./30/cgroup") = 0 [pid 5062] umount2("./30/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./30/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./30/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./30") = 0 [pid 5062] mkdir("./31", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5096 attached [pid 5096] set_robust_list(0x555556e8b660, 24) = 0 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 33 [pid 5096] chdir("./31") = 0 [pid 5096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5096] setpgid(0, 0) = 0 [pid 5096] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5096] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5096] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5096] write(3, "1000", 4) = 4 [pid 5096] close(3) = 0 [pid 5096] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5096] memfd_create("syzkaller", 0) = 3 [pid 5096] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5096] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5096] munmap(0x7f9497c79000, 138412032) = 0 [pid 5096] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5096] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5096] close(3) = 0 [pid 5096] mkdir("./file0", 0777) = 0 [ 99.573130][ T5096] loop0: detected capacity change from 0 to 4096 [ 99.602487][ T5096] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5096] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5096] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5096] chdir("./file0") = 0 [pid 5096] ioctl(4, LOOP_CLR_FD) = 0 [pid 5096] close(4) = 0 [ 99.644578][ T5096] ntfs: volume version 3.1. [pid 5096] creat("./file2", 000) = 4 [pid 5096] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5096] creat("./file2", 000) = 5 [pid 5096] close(3) = 0 [pid 5096] close(4) = 0 [pid 5096] close(5) = 0 [pid 5096] close(6) = -1 EBADF (Bad file descriptor) [pid 5096] close(7) = -1 EBADF (Bad file descriptor) [pid 5096] close(8) = -1 EBADF (Bad file descriptor) [pid 5096] close(9) = -1 EBADF (Bad file descriptor) [pid 5096] close(10) = -1 EBADF (Bad file descriptor) [pid 5096] close(11) = -1 EBADF (Bad file descriptor) [pid 5096] close(12) = -1 EBADF (Bad file descriptor) [pid 5096] close(13) = -1 EBADF (Bad file descriptor) [pid 5096] close(14) = -1 EBADF (Bad file descriptor) [pid 5096] close(15) = -1 EBADF (Bad file descriptor) [pid 5096] close(16) = -1 EBADF (Bad file descriptor) [pid 5096] close(17) = -1 EBADF (Bad file descriptor) [pid 5096] close(18) = -1 EBADF (Bad file descriptor) [pid 5096] close(19) = -1 EBADF (Bad file descriptor) [pid 5096] close(20) = -1 EBADF (Bad file descriptor) [pid 5096] close(21) = -1 EBADF (Bad file descriptor) [pid 5096] close(22) = -1 EBADF (Bad file descriptor) [pid 5096] close(23) = -1 EBADF (Bad file descriptor) [pid 5096] close(24) = -1 EBADF (Bad file descriptor) [pid 5096] close(25) = -1 EBADF (Bad file descriptor) [pid 5096] close(26) = -1 EBADF (Bad file descriptor) [pid 5096] close(27) = -1 EBADF (Bad file descriptor) [pid 5096] close(28) = -1 EBADF (Bad file descriptor) [pid 5096] close(29) = -1 EBADF (Bad file descriptor) [pid 5096] exit_group(0) = ? [pid 5096] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=33, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./31/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./31/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./31/cgroup.cpu") = 0 [pid 5062] umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./31/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./31/binderfs") = 0 [pid 5062] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./31/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./31/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./31/file0") = 0 [pid 5062] umount2("./31/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./31/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./31/cgroup") = 0 [pid 5062] umount2("./31/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./31/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./31/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./31") = 0 [pid 5062] mkdir("./32", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5097 attached , child_tidptr=0x555556e8b650) = 34 [pid 5097] set_robust_list(0x555556e8b660, 24) = 0 [pid 5097] chdir("./32") = 0 [pid 5097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5097] setpgid(0, 0) = 0 [pid 5097] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5097] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5097] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5097] write(3, "1000", 4) = 4 [pid 5097] close(3) = 0 [pid 5097] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5097] memfd_create("syzkaller", 0) = 3 [pid 5097] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5097] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5097] munmap(0x7f9497c79000, 138412032) = 0 [pid 5097] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5097] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5097] close(3) = 0 [pid 5097] mkdir("./file0", 0777) = 0 [ 100.188731][ T5097] loop0: detected capacity change from 0 to 4096 [ 100.212503][ T5097] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5097] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5097] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5097] chdir("./file0") = 0 [pid 5097] ioctl(4, LOOP_CLR_FD) = 0 [pid 5097] close(4) = 0 [pid 5097] creat("./file2", 000) = 4 [ 100.248290][ T5097] ntfs: volume version 3.1. [pid 5097] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5097] creat("./file2", 000) = 5 [pid 5097] close(3) = 0 [pid 5097] close(4) = 0 [pid 5097] close(5) = 0 [pid 5097] close(6) = -1 EBADF (Bad file descriptor) [pid 5097] close(7) = -1 EBADF (Bad file descriptor) [pid 5097] close(8) = -1 EBADF (Bad file descriptor) [pid 5097] close(9) = -1 EBADF (Bad file descriptor) [pid 5097] close(10) = -1 EBADF (Bad file descriptor) [pid 5097] close(11) = -1 EBADF (Bad file descriptor) [pid 5097] close(12) = -1 EBADF (Bad file descriptor) [pid 5097] close(13) = -1 EBADF (Bad file descriptor) [pid 5097] close(14) = -1 EBADF (Bad file descriptor) [pid 5097] close(15) = -1 EBADF (Bad file descriptor) [pid 5097] close(16) = -1 EBADF (Bad file descriptor) [pid 5097] close(17) = -1 EBADF (Bad file descriptor) [pid 5097] close(18) = -1 EBADF (Bad file descriptor) [pid 5097] close(19) = -1 EBADF (Bad file descriptor) [pid 5097] close(20) = -1 EBADF (Bad file descriptor) [pid 5097] close(21) = -1 EBADF (Bad file descriptor) [pid 5097] close(22) = -1 EBADF (Bad file descriptor) [pid 5097] close(23) = -1 EBADF (Bad file descriptor) [pid 5097] close(24) = -1 EBADF (Bad file descriptor) [pid 5097] close(25) = -1 EBADF (Bad file descriptor) [pid 5097] close(26) = -1 EBADF (Bad file descriptor) [pid 5097] close(27) = -1 EBADF (Bad file descriptor) [pid 5097] close(28) = -1 EBADF (Bad file descriptor) [pid 5097] close(29) = -1 EBADF (Bad file descriptor) [pid 5097] exit_group(0) = ? [pid 5097] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] umount2("./32", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./32/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./32/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./32/cgroup.cpu") = 0 [pid 5062] umount2("./32/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./32/binderfs") = 0 [pid 5062] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./32/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./32/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./32/file0") = 0 [pid 5062] umount2("./32/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./32/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./32/cgroup") = 0 [pid 5062] umount2("./32/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./32/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./32/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./32") = 0 [pid 5062] mkdir("./33", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5098 attached [pid 5098] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 35 [pid 5098] <... set_robust_list resumed>) = 0 [pid 5098] chdir("./33") = 0 [pid 5098] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5098] setpgid(0, 0) = 0 [pid 5098] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5098] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5098] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5098] write(3, "1000", 4) = 4 [pid 5098] close(3) = 0 [pid 5098] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5098] memfd_create("syzkaller", 0) = 3 [pid 5098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5098] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5098] munmap(0x7f9497c79000, 138412032) = 0 [pid 5098] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5098] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5098] close(3) = 0 [pid 5098] mkdir("./file0", 0777) = 0 [ 100.881243][ T5098] loop0: detected capacity change from 0 to 4096 [ 100.905152][ T5098] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5098] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5098] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5098] chdir("./file0") = 0 [pid 5098] ioctl(4, LOOP_CLR_FD) = 0 [pid 5098] close(4) = 0 [ 100.941065][ T5098] ntfs: volume version 3.1. [pid 5098] creat("./file2", 000) = 4 [pid 5098] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5098] creat("./file2", 000) = 5 [pid 5098] close(3) = 0 [pid 5098] close(4) = 0 [pid 5098] close(5) = 0 [pid 5098] close(6) = -1 EBADF (Bad file descriptor) [pid 5098] close(7) = -1 EBADF (Bad file descriptor) [pid 5098] close(8) = -1 EBADF (Bad file descriptor) [pid 5098] close(9) = -1 EBADF (Bad file descriptor) [pid 5098] close(10) = -1 EBADF (Bad file descriptor) [pid 5098] close(11) = -1 EBADF (Bad file descriptor) [pid 5098] close(12) = -1 EBADF (Bad file descriptor) [pid 5098] close(13) = -1 EBADF (Bad file descriptor) [pid 5098] close(14) = -1 EBADF (Bad file descriptor) [pid 5098] close(15) = -1 EBADF (Bad file descriptor) [pid 5098] close(16) = -1 EBADF (Bad file descriptor) [pid 5098] close(17) = -1 EBADF (Bad file descriptor) [pid 5098] close(18) = -1 EBADF (Bad file descriptor) [pid 5098] close(19) = -1 EBADF (Bad file descriptor) [pid 5098] close(20) = -1 EBADF (Bad file descriptor) [pid 5098] close(21) = -1 EBADF (Bad file descriptor) [pid 5098] close(22) = -1 EBADF (Bad file descriptor) [pid 5098] close(23) = -1 EBADF (Bad file descriptor) [pid 5098] close(24) = -1 EBADF (Bad file descriptor) [pid 5098] close(25) = -1 EBADF (Bad file descriptor) [pid 5098] close(26) = -1 EBADF (Bad file descriptor) [pid 5098] close(27) = -1 EBADF (Bad file descriptor) [pid 5098] close(28) = -1 EBADF (Bad file descriptor) [pid 5098] close(29) = -1 EBADF (Bad file descriptor) [pid 5098] exit_group(0) = ? [pid 5098] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=35, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] umount2("./33", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./33/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./33/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./33/cgroup.cpu") = 0 [pid 5062] umount2("./33/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./33/binderfs") = 0 [pid 5062] umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./33/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./33/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./33/file0") = 0 [pid 5062] umount2("./33/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./33/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./33/cgroup") = 0 [pid 5062] umount2("./33/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./33/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./33/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./33") = 0 [pid 5062] mkdir("./34", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5099 attached [pid 5099] set_robust_list(0x555556e8b660, 24) = 0 [pid 5099] chdir("./34" [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 36 [pid 5099] <... chdir resumed>) = 0 [pid 5099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5099] setpgid(0, 0) = 0 [pid 5099] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5099] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5099] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5099] write(3, "1000", 4) = 4 [pid 5099] close(3) = 0 [pid 5099] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5099] memfd_create("syzkaller", 0) = 3 [pid 5099] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5099] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5099] munmap(0x7f9497c79000, 138412032) = 0 [pid 5099] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5099] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5099] close(3) = 0 [pid 5099] mkdir("./file0", 0777) = 0 [ 101.503197][ T5099] loop0: detected capacity change from 0 to 4096 [ 101.518085][ T5099] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5099] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5099] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5099] chdir("./file0") = 0 [pid 5099] ioctl(4, LOOP_CLR_FD) = 0 [pid 5099] close(4) = 0 [ 101.550041][ T5099] ntfs: volume version 3.1. [pid 5099] creat("./file2", 000) = 4 [pid 5099] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5099] creat("./file2", 000) = 5 [pid 5099] close(3) = 0 [pid 5099] close(4) = 0 [pid 5099] close(5) = 0 [pid 5099] close(6) = -1 EBADF (Bad file descriptor) [pid 5099] close(7) = -1 EBADF (Bad file descriptor) [pid 5099] close(8) = -1 EBADF (Bad file descriptor) [pid 5099] close(9) = -1 EBADF (Bad file descriptor) [pid 5099] close(10) = -1 EBADF (Bad file descriptor) [pid 5099] close(11) = -1 EBADF (Bad file descriptor) [pid 5099] close(12) = -1 EBADF (Bad file descriptor) [pid 5099] close(13) = -1 EBADF (Bad file descriptor) [pid 5099] close(14) = -1 EBADF (Bad file descriptor) [pid 5099] close(15) = -1 EBADF (Bad file descriptor) [pid 5099] close(16) = -1 EBADF (Bad file descriptor) [pid 5099] close(17) = -1 EBADF (Bad file descriptor) [pid 5099] close(18) = -1 EBADF (Bad file descriptor) [pid 5099] close(19) = -1 EBADF (Bad file descriptor) [pid 5099] close(20) = -1 EBADF (Bad file descriptor) [pid 5099] close(21) = -1 EBADF (Bad file descriptor) [pid 5099] close(22) = -1 EBADF (Bad file descriptor) [pid 5099] close(23) = -1 EBADF (Bad file descriptor) [pid 5099] close(24) = -1 EBADF (Bad file descriptor) [pid 5099] close(25) = -1 EBADF (Bad file descriptor) [pid 5099] close(26) = -1 EBADF (Bad file descriptor) [pid 5099] close(27) = -1 EBADF (Bad file descriptor) [pid 5099] close(28) = -1 EBADF (Bad file descriptor) [pid 5099] close(29) = -1 EBADF (Bad file descriptor) [pid 5099] exit_group(0) = ? [pid 5099] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=36, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] umount2("./34", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./34/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./34/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./34/cgroup.cpu") = 0 [pid 5062] umount2("./34/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./34/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./34/binderfs") = 0 [pid 5062] umount2("./34/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./34/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./34/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./34/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./34/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./34/file0") = 0 [pid 5062] umount2("./34/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./34/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./34/cgroup") = 0 [pid 5062] umount2("./34/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./34/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./34/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./34") = 0 [pid 5062] mkdir("./35", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5100 attached [pid 5100] set_robust_list(0x555556e8b660, 24) = 0 [pid 5100] chdir("./35" [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 37 [pid 5100] <... chdir resumed>) = 0 [pid 5100] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5100] setpgid(0, 0) = 0 [pid 5100] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5100] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5100] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5100] write(3, "1000", 4) = 4 [pid 5100] close(3) = 0 [pid 5100] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5100] memfd_create("syzkaller", 0) = 3 [pid 5100] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5100] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5100] munmap(0x7f9497c79000, 138412032) = 0 [pid 5100] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5100] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5100] close(3) = 0 [pid 5100] mkdir("./file0", 0777) = 0 [ 102.144181][ T5100] loop0: detected capacity change from 0 to 4096 [ 102.171006][ T5100] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5100] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5100] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5100] chdir("./file0") = 0 [pid 5100] ioctl(4, LOOP_CLR_FD) = 0 [pid 5100] close(4) = 0 [ 102.206455][ T5100] ntfs: volume version 3.1. [pid 5100] creat("./file2", 000) = 4 [pid 5100] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5100] creat("./file2", 000) = 5 [pid 5100] close(3) = 0 [pid 5100] close(4) = 0 [pid 5100] close(5) = 0 [pid 5100] close(6) = -1 EBADF (Bad file descriptor) [pid 5100] close(7) = -1 EBADF (Bad file descriptor) [pid 5100] close(8) = -1 EBADF (Bad file descriptor) [pid 5100] close(9) = -1 EBADF (Bad file descriptor) [pid 5100] close(10) = -1 EBADF (Bad file descriptor) [pid 5100] close(11) = -1 EBADF (Bad file descriptor) [pid 5100] close(12) = -1 EBADF (Bad file descriptor) [pid 5100] close(13) = -1 EBADF (Bad file descriptor) [pid 5100] close(14) = -1 EBADF (Bad file descriptor) [pid 5100] close(15) = -1 EBADF (Bad file descriptor) [pid 5100] close(16) = -1 EBADF (Bad file descriptor) [pid 5100] close(17) = -1 EBADF (Bad file descriptor) [pid 5100] close(18) = -1 EBADF (Bad file descriptor) [pid 5100] close(19) = -1 EBADF (Bad file descriptor) [pid 5100] close(20) = -1 EBADF (Bad file descriptor) [pid 5100] close(21) = -1 EBADF (Bad file descriptor) [pid 5100] close(22) = -1 EBADF (Bad file descriptor) [pid 5100] close(23) = -1 EBADF (Bad file descriptor) [pid 5100] close(24) = -1 EBADF (Bad file descriptor) [pid 5100] close(25) = -1 EBADF (Bad file descriptor) [pid 5100] close(26) = -1 EBADF (Bad file descriptor) [pid 5100] close(27) = -1 EBADF (Bad file descriptor) [pid 5100] close(28) = -1 EBADF (Bad file descriptor) [pid 5100] close(29) = -1 EBADF (Bad file descriptor) [pid 5100] exit_group(0) = ? [pid 5100] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=37, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5062] umount2("./35", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./35/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./35/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./35/cgroup.cpu") = 0 [pid 5062] umount2("./35/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./35/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./35/binderfs") = 0 [pid 5062] umount2("./35/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./35/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./35/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./35/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./35/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./35/file0") = 0 [pid 5062] umount2("./35/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./35/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./35/cgroup") = 0 [pid 5062] umount2("./35/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./35/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./35/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./35") = 0 [pid 5062] mkdir("./36", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5101 attached , child_tidptr=0x555556e8b650) = 38 [pid 5101] set_robust_list(0x555556e8b660, 24) = 0 [pid 5101] chdir("./36") = 0 [pid 5101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5101] setpgid(0, 0) = 0 [pid 5101] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5101] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5101] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5101] write(3, "1000", 4) = 4 [pid 5101] close(3) = 0 [pid 5101] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5101] memfd_create("syzkaller", 0) = 3 [pid 5101] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5101] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5101] munmap(0x7f9497c79000, 138412032) = 0 [pid 5101] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5101] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5101] close(3) = 0 [pid 5101] mkdir("./file0", 0777) = 0 [ 102.776578][ T5101] loop0: detected capacity change from 0 to 4096 [ 102.805487][ T5101] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5101] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5101] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5101] chdir("./file0") = 0 [ 102.838701][ T5101] ntfs: volume version 3.1. [pid 5101] ioctl(4, LOOP_CLR_FD) = 0 [pid 5101] close(4) = 0 [pid 5101] creat("./file2", 000) = 4 [pid 5101] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5101] creat("./file2", 000) = 5 [pid 5101] close(3) = 0 [pid 5101] close(4) = 0 [pid 5101] close(5) = 0 [pid 5101] close(6) = -1 EBADF (Bad file descriptor) [pid 5101] close(7) = -1 EBADF (Bad file descriptor) [pid 5101] close(8) = -1 EBADF (Bad file descriptor) [pid 5101] close(9) = -1 EBADF (Bad file descriptor) [pid 5101] close(10) = -1 EBADF (Bad file descriptor) [pid 5101] close(11) = -1 EBADF (Bad file descriptor) [pid 5101] close(12) = -1 EBADF (Bad file descriptor) [pid 5101] close(13) = -1 EBADF (Bad file descriptor) [pid 5101] close(14) = -1 EBADF (Bad file descriptor) [pid 5101] close(15) = -1 EBADF (Bad file descriptor) [pid 5101] close(16) = -1 EBADF (Bad file descriptor) [pid 5101] close(17) = -1 EBADF (Bad file descriptor) [pid 5101] close(18) = -1 EBADF (Bad file descriptor) [pid 5101] close(19) = -1 EBADF (Bad file descriptor) [pid 5101] close(20) = -1 EBADF (Bad file descriptor) [pid 5101] close(21) = -1 EBADF (Bad file descriptor) [pid 5101] close(22) = -1 EBADF (Bad file descriptor) [pid 5101] close(23) = -1 EBADF (Bad file descriptor) [pid 5101] close(24) = -1 EBADF (Bad file descriptor) [pid 5101] close(25) = -1 EBADF (Bad file descriptor) [pid 5101] close(26) = -1 EBADF (Bad file descriptor) [pid 5101] close(27) = -1 EBADF (Bad file descriptor) [pid 5101] close(28) = -1 EBADF (Bad file descriptor) [pid 5101] close(29) = -1 EBADF (Bad file descriptor) [pid 5101] exit_group(0) = ? [pid 5101] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./36", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./36/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./36/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./36/cgroup.cpu") = 0 [pid 5062] umount2("./36/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./36/binderfs") = 0 [pid 5062] umount2("./36/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./36/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./36/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./36/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./36/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./36/file0") = 0 [pid 5062] umount2("./36/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./36/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./36/cgroup") = 0 [pid 5062] umount2("./36/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./36/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./36/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./36") = 0 [pid 5062] mkdir("./37", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5102 attached [pid 5102] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 39 [pid 5102] <... set_robust_list resumed>) = 0 [pid 5102] chdir("./37") = 0 [pid 5102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5102] setpgid(0, 0) = 0 [pid 5102] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5102] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5102] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5102] write(3, "1000", 4) = 4 [pid 5102] close(3) = 0 [pid 5102] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5102] memfd_create("syzkaller", 0) = 3 [pid 5102] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5102] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5102] munmap(0x7f9497c79000, 138412032) = 0 [pid 5102] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5102] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5102] close(3) = 0 [pid 5102] mkdir("./file0", 0777) = 0 [ 103.377404][ T5102] loop0: detected capacity change from 0 to 4096 [ 103.397794][ T5102] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5102] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5102] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5102] chdir("./file0") = 0 [pid 5102] ioctl(4, LOOP_CLR_FD) = 0 [pid 5102] close(4) = 0 [ 103.432057][ T5102] ntfs: volume version 3.1. [pid 5102] creat("./file2", 000) = 4 [pid 5102] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5102] creat("./file2", 000) = 5 [pid 5102] close(3) = 0 [pid 5102] close(4) = 0 [pid 5102] close(5) = 0 [pid 5102] close(6) = -1 EBADF (Bad file descriptor) [pid 5102] close(7) = -1 EBADF (Bad file descriptor) [pid 5102] close(8) = -1 EBADF (Bad file descriptor) [pid 5102] close(9) = -1 EBADF (Bad file descriptor) [pid 5102] close(10) = -1 EBADF (Bad file descriptor) [pid 5102] close(11) = -1 EBADF (Bad file descriptor) [pid 5102] close(12) = -1 EBADF (Bad file descriptor) [pid 5102] close(13) = -1 EBADF (Bad file descriptor) [pid 5102] close(14) = -1 EBADF (Bad file descriptor) [pid 5102] close(15) = -1 EBADF (Bad file descriptor) [pid 5102] close(16) = -1 EBADF (Bad file descriptor) [pid 5102] close(17) = -1 EBADF (Bad file descriptor) [pid 5102] close(18) = -1 EBADF (Bad file descriptor) [pid 5102] close(19) = -1 EBADF (Bad file descriptor) [pid 5102] close(20) = -1 EBADF (Bad file descriptor) [pid 5102] close(21) = -1 EBADF (Bad file descriptor) [pid 5102] close(22) = -1 EBADF (Bad file descriptor) [pid 5102] close(23) = -1 EBADF (Bad file descriptor) [pid 5102] close(24) = -1 EBADF (Bad file descriptor) [pid 5102] close(25) = -1 EBADF (Bad file descriptor) [pid 5102] close(26) = -1 EBADF (Bad file descriptor) [pid 5102] close(27) = -1 EBADF (Bad file descriptor) [pid 5102] close(28) = -1 EBADF (Bad file descriptor) [pid 5102] close(29) = -1 EBADF (Bad file descriptor) [pid 5102] exit_group(0) = ? [pid 5102] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=39, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./37", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./37/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./37/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./37/cgroup.cpu") = 0 [pid 5062] umount2("./37/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./37/binderfs") = 0 [pid 5062] umount2("./37/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./37/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./37/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./37/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./37/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./37/file0") = 0 [pid 5062] umount2("./37/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./37/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./37/cgroup") = 0 [pid 5062] umount2("./37/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./37/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./37/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./37") = 0 [pid 5062] mkdir("./38", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5103 attached , child_tidptr=0x555556e8b650) = 40 [pid 5103] set_robust_list(0x555556e8b660, 24) = 0 [pid 5103] chdir("./38") = 0 [pid 5103] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5103] setpgid(0, 0) = 0 [pid 5103] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5103] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5103] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5103] write(3, "1000", 4) = 4 [pid 5103] close(3) = 0 [pid 5103] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5103] memfd_create("syzkaller", 0) = 3 [pid 5103] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5103] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5103] munmap(0x7f9497c79000, 138412032) = 0 [pid 5103] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5103] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5103] close(3) = 0 [pid 5103] mkdir("./file0", 0777) = 0 [ 103.927150][ T5103] loop0: detected capacity change from 0 to 4096 [ 103.954534][ T5103] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5103] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5103] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5103] chdir("./file0") = 0 [pid 5103] ioctl(4, LOOP_CLR_FD) = 0 [pid 5103] close(4) = 0 [ 103.989834][ T5103] ntfs: volume version 3.1. [pid 5103] creat("./file2", 000) = 4 [pid 5103] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5103] creat("./file2", 000) = 5 [pid 5103] close(3) = 0 [pid 5103] close(4) = 0 [pid 5103] close(5) = 0 [pid 5103] close(6) = -1 EBADF (Bad file descriptor) [pid 5103] close(7) = -1 EBADF (Bad file descriptor) [pid 5103] close(8) = -1 EBADF (Bad file descriptor) [pid 5103] close(9) = -1 EBADF (Bad file descriptor) [pid 5103] close(10) = -1 EBADF (Bad file descriptor) [pid 5103] close(11) = -1 EBADF (Bad file descriptor) [pid 5103] close(12) = -1 EBADF (Bad file descriptor) [pid 5103] close(13) = -1 EBADF (Bad file descriptor) [pid 5103] close(14) = -1 EBADF (Bad file descriptor) [pid 5103] close(15) = -1 EBADF (Bad file descriptor) [pid 5103] close(16) = -1 EBADF (Bad file descriptor) [pid 5103] close(17) = -1 EBADF (Bad file descriptor) [pid 5103] close(18) = -1 EBADF (Bad file descriptor) [pid 5103] close(19) = -1 EBADF (Bad file descriptor) [pid 5103] close(20) = -1 EBADF (Bad file descriptor) [pid 5103] close(21) = -1 EBADF (Bad file descriptor) [pid 5103] close(22) = -1 EBADF (Bad file descriptor) [pid 5103] close(23) = -1 EBADF (Bad file descriptor) [pid 5103] close(24) = -1 EBADF (Bad file descriptor) [pid 5103] close(25) = -1 EBADF (Bad file descriptor) [pid 5103] close(26) = -1 EBADF (Bad file descriptor) [pid 5103] close(27) = -1 EBADF (Bad file descriptor) [pid 5103] close(28) = -1 EBADF (Bad file descriptor) [pid 5103] close(29) = -1 EBADF (Bad file descriptor) [pid 5103] exit_group(0) = ? [pid 5103] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=40, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./38", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./38/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./38/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./38/cgroup.cpu") = 0 [pid 5062] umount2("./38/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./38/binderfs") = 0 [pid 5062] umount2("./38/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./38/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./38/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./38/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./38/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./38/file0") = 0 [pid 5062] umount2("./38/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./38/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./38/cgroup") = 0 [pid 5062] umount2("./38/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./38/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./38/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./38") = 0 [pid 5062] mkdir("./39", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5104 attached [pid 5104] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 41 [pid 5104] <... set_robust_list resumed>) = 0 [pid 5104] chdir("./39") = 0 [pid 5104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5104] setpgid(0, 0) = 0 [pid 5104] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5104] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5104] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5104] write(3, "1000", 4) = 4 [pid 5104] close(3) = 0 [pid 5104] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5104] memfd_create("syzkaller", 0) = 3 [pid 5104] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5104] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5104] munmap(0x7f9497c79000, 138412032) = 0 [pid 5104] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5104] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5104] close(3) = 0 [pid 5104] mkdir("./file0", 0777) = 0 [ 104.615552][ T5104] loop0: detected capacity change from 0 to 4096 [ 104.632477][ T5104] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5104] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5104] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5104] chdir("./file0") = 0 [pid 5104] ioctl(4, LOOP_CLR_FD) = 0 [pid 5104] close(4) = 0 [ 104.665375][ T5104] ntfs: volume version 3.1. [pid 5104] creat("./file2", 000) = 4 [pid 5104] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5104] creat("./file2", 000) = 5 [pid 5104] close(3) = 0 [pid 5104] close(4) = 0 [pid 5104] close(5) = 0 [pid 5104] close(6) = -1 EBADF (Bad file descriptor) [pid 5104] close(7) = -1 EBADF (Bad file descriptor) [pid 5104] close(8) = -1 EBADF (Bad file descriptor) [pid 5104] close(9) = -1 EBADF (Bad file descriptor) [pid 5104] close(10) = -1 EBADF (Bad file descriptor) [pid 5104] close(11) = -1 EBADF (Bad file descriptor) [pid 5104] close(12) = -1 EBADF (Bad file descriptor) [pid 5104] close(13) = -1 EBADF (Bad file descriptor) [pid 5104] close(14) = -1 EBADF (Bad file descriptor) [pid 5104] close(15) = -1 EBADF (Bad file descriptor) [pid 5104] close(16) = -1 EBADF (Bad file descriptor) [pid 5104] close(17) = -1 EBADF (Bad file descriptor) [pid 5104] close(18) = -1 EBADF (Bad file descriptor) [pid 5104] close(19) = -1 EBADF (Bad file descriptor) [pid 5104] close(20) = -1 EBADF (Bad file descriptor) [pid 5104] close(21) = -1 EBADF (Bad file descriptor) [pid 5104] close(22) = -1 EBADF (Bad file descriptor) [pid 5104] close(23) = -1 EBADF (Bad file descriptor) [pid 5104] close(24) = -1 EBADF (Bad file descriptor) [pid 5104] close(25) = -1 EBADF (Bad file descriptor) [pid 5104] close(26) = -1 EBADF (Bad file descriptor) [pid 5104] close(27) = -1 EBADF (Bad file descriptor) [pid 5104] close(28) = -1 EBADF (Bad file descriptor) [pid 5104] close(29) = -1 EBADF (Bad file descriptor) [pid 5104] exit_group(0) = ? [pid 5104] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./39", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./39/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./39/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./39/cgroup.cpu") = 0 [pid 5062] umount2("./39/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./39/binderfs") = 0 [pid 5062] umount2("./39/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./39/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./39/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./39/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./39/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./39/file0") = 0 [pid 5062] umount2("./39/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./39/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./39/cgroup") = 0 [pid 5062] umount2("./39/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./39/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./39/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./39") = 0 [pid 5062] mkdir("./40", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5105 attached , child_tidptr=0x555556e8b650) = 42 [pid 5105] set_robust_list(0x555556e8b660, 24) = 0 [pid 5105] chdir("./40") = 0 [pid 5105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5105] setpgid(0, 0) = 0 [pid 5105] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5105] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5105] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5105] write(3, "1000", 4) = 4 [pid 5105] close(3) = 0 [pid 5105] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5105] memfd_create("syzkaller", 0) = 3 [pid 5105] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5105] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5105] munmap(0x7f9497c79000, 138412032) = 0 [pid 5105] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5105] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5105] close(3) = 0 [pid 5105] mkdir("./file0", 0777) = 0 [pid 5105] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5105] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5105] chdir("./file0") = 0 [pid 5105] ioctl(4, LOOP_CLR_FD) = 0 [pid 5105] close(4) = 0 [pid 5105] creat("./file2", 000) = 4 [ 105.229093][ T5105] loop0: detected capacity change from 0 to 4096 [ 105.238853][ T5105] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [ 105.272100][ T5105] ntfs: volume version 3.1. [pid 5105] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5105] creat("./file2", 000) = 5 [pid 5105] close(3) = 0 [pid 5105] close(4) = 0 [pid 5105] close(5) = 0 [pid 5105] close(6) = -1 EBADF (Bad file descriptor) [pid 5105] close(7) = -1 EBADF (Bad file descriptor) [pid 5105] close(8) = -1 EBADF (Bad file descriptor) [pid 5105] close(9) = -1 EBADF (Bad file descriptor) [pid 5105] close(10) = -1 EBADF (Bad file descriptor) [pid 5105] close(11) = -1 EBADF (Bad file descriptor) [pid 5105] close(12) = -1 EBADF (Bad file descriptor) [pid 5105] close(13) = -1 EBADF (Bad file descriptor) [pid 5105] close(14) = -1 EBADF (Bad file descriptor) [pid 5105] close(15) = -1 EBADF (Bad file descriptor) [pid 5105] close(16) = -1 EBADF (Bad file descriptor) [pid 5105] close(17) = -1 EBADF (Bad file descriptor) [pid 5105] close(18) = -1 EBADF (Bad file descriptor) [pid 5105] close(19) = -1 EBADF (Bad file descriptor) [pid 5105] close(20) = -1 EBADF (Bad file descriptor) [pid 5105] close(21) = -1 EBADF (Bad file descriptor) [pid 5105] close(22) = -1 EBADF (Bad file descriptor) [pid 5105] close(23) = -1 EBADF (Bad file descriptor) [pid 5105] close(24) = -1 EBADF (Bad file descriptor) [pid 5105] close(25) = -1 EBADF (Bad file descriptor) [pid 5105] close(26) = -1 EBADF (Bad file descriptor) [pid 5105] close(27) = -1 EBADF (Bad file descriptor) [pid 5105] close(28) = -1 EBADF (Bad file descriptor) [pid 5105] close(29) = -1 EBADF (Bad file descriptor) [pid 5105] exit_group(0) = ? [pid 5105] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} --- [pid 5062] umount2("./40", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./40/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./40/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./40/cgroup.cpu") = 0 [pid 5062] umount2("./40/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./40/binderfs") = 0 [pid 5062] umount2("./40/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./40/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./40/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./40/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./40/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./40/file0") = 0 [pid 5062] umount2("./40/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./40/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./40/cgroup") = 0 [pid 5062] umount2("./40/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./40/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./40/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./40") = 0 [pid 5062] mkdir("./41", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5106 attached , child_tidptr=0x555556e8b650) = 43 [pid 5106] set_robust_list(0x555556e8b660, 24) = 0 [pid 5106] chdir("./41") = 0 [pid 5106] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5106] setpgid(0, 0) = 0 [pid 5106] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5106] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5106] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5106] write(3, "1000", 4) = 4 [pid 5106] close(3) = 0 [pid 5106] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5106] memfd_create("syzkaller", 0) = 3 [pid 5106] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5106] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5106] munmap(0x7f9497c79000, 138412032) = 0 [pid 5106] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5106] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5106] close(3) = 0 [pid 5106] mkdir("./file0", 0777) = 0 [ 105.846800][ T5106] loop0: detected capacity change from 0 to 4096 [ 105.871137][ T5106] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5106] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5106] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5106] chdir("./file0") = 0 [ 105.905226][ T5106] ntfs: volume version 3.1. [pid 5106] ioctl(4, LOOP_CLR_FD) = 0 [pid 5106] close(4) = 0 [pid 5106] creat("./file2", 000) = 4 [pid 5106] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5106] creat("./file2", 000) = 5 [pid 5106] close(3) = 0 [pid 5106] close(4) = 0 [pid 5106] close(5) = 0 [pid 5106] close(6) = -1 EBADF (Bad file descriptor) [pid 5106] close(7) = -1 EBADF (Bad file descriptor) [pid 5106] close(8) = -1 EBADF (Bad file descriptor) [pid 5106] close(9) = -1 EBADF (Bad file descriptor) [pid 5106] close(10) = -1 EBADF (Bad file descriptor) [pid 5106] close(11) = -1 EBADF (Bad file descriptor) [pid 5106] close(12) = -1 EBADF (Bad file descriptor) [pid 5106] close(13) = -1 EBADF (Bad file descriptor) [pid 5106] close(14) = -1 EBADF (Bad file descriptor) [pid 5106] close(15) = -1 EBADF (Bad file descriptor) [pid 5106] close(16) = -1 EBADF (Bad file descriptor) [pid 5106] close(17) = -1 EBADF (Bad file descriptor) [pid 5106] close(18) = -1 EBADF (Bad file descriptor) [pid 5106] close(19) = -1 EBADF (Bad file descriptor) [pid 5106] close(20) = -1 EBADF (Bad file descriptor) [pid 5106] close(21) = -1 EBADF (Bad file descriptor) [pid 5106] close(22) = -1 EBADF (Bad file descriptor) [pid 5106] close(23) = -1 EBADF (Bad file descriptor) [pid 5106] close(24) = -1 EBADF (Bad file descriptor) [pid 5106] close(25) = -1 EBADF (Bad file descriptor) [pid 5106] close(26) = -1 EBADF (Bad file descriptor) [pid 5106] close(27) = -1 EBADF (Bad file descriptor) [pid 5106] close(28) = -1 EBADF (Bad file descriptor) [pid 5106] close(29) = -1 EBADF (Bad file descriptor) [pid 5106] exit_group(0) = ? [pid 5106] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=43, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./41", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./41/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./41/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./41/cgroup.cpu") = 0 [pid 5062] umount2("./41/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./41/binderfs") = 0 [pid 5062] umount2("./41/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./41/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./41/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./41/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./41/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./41/file0") = 0 [pid 5062] umount2("./41/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./41/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./41/cgroup") = 0 [pid 5062] umount2("./41/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./41/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./41/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./41") = 0 [pid 5062] mkdir("./42", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5107 attached , child_tidptr=0x555556e8b650) = 44 [pid 5107] set_robust_list(0x555556e8b660, 24) = 0 [pid 5107] chdir("./42") = 0 [pid 5107] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5107] setpgid(0, 0) = 0 [pid 5107] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5107] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5107] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5107] write(3, "1000", 4) = 4 [pid 5107] close(3) = 0 [pid 5107] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5107] memfd_create("syzkaller", 0) = 3 [pid 5107] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5107] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5107] munmap(0x7f9497c79000, 138412032) = 0 [pid 5107] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5107] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5107] close(3) = 0 [pid 5107] mkdir("./file0", 0777) = 0 [ 106.509351][ T5107] loop0: detected capacity change from 0 to 4096 [ 106.522703][ T5107] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5107] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5107] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5107] chdir("./file0") = 0 [pid 5107] ioctl(4, LOOP_CLR_FD) = 0 [ 106.556321][ T5107] ntfs: volume version 3.1. [pid 5107] close(4) = 0 [pid 5107] creat("./file2", 000) = 4 [pid 5107] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5107] creat("./file2", 000) = 5 [pid 5107] close(3) = 0 [pid 5107] close(4) = 0 [pid 5107] close(5) = 0 [pid 5107] close(6) = -1 EBADF (Bad file descriptor) [pid 5107] close(7) = -1 EBADF (Bad file descriptor) [pid 5107] close(8) = -1 EBADF (Bad file descriptor) [pid 5107] close(9) = -1 EBADF (Bad file descriptor) [pid 5107] close(10) = -1 EBADF (Bad file descriptor) [pid 5107] close(11) = -1 EBADF (Bad file descriptor) [pid 5107] close(12) = -1 EBADF (Bad file descriptor) [pid 5107] close(13) = -1 EBADF (Bad file descriptor) [pid 5107] close(14) = -1 EBADF (Bad file descriptor) [pid 5107] close(15) = -1 EBADF (Bad file descriptor) [pid 5107] close(16) = -1 EBADF (Bad file descriptor) [pid 5107] close(17) = -1 EBADF (Bad file descriptor) [pid 5107] close(18) = -1 EBADF (Bad file descriptor) [pid 5107] close(19) = -1 EBADF (Bad file descriptor) [pid 5107] close(20) = -1 EBADF (Bad file descriptor) [pid 5107] close(21) = -1 EBADF (Bad file descriptor) [pid 5107] close(22) = -1 EBADF (Bad file descriptor) [pid 5107] close(23) = -1 EBADF (Bad file descriptor) [pid 5107] close(24) = -1 EBADF (Bad file descriptor) [pid 5107] close(25) = -1 EBADF (Bad file descriptor) [pid 5107] close(26) = -1 EBADF (Bad file descriptor) [pid 5107] close(27) = -1 EBADF (Bad file descriptor) [pid 5107] close(28) = -1 EBADF (Bad file descriptor) [pid 5107] close(29) = -1 EBADF (Bad file descriptor) [pid 5107] exit_group(0) = ? [pid 5107] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./42", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./42/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./42/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./42/cgroup.cpu") = 0 [pid 5062] umount2("./42/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./42/binderfs") = 0 [pid 5062] umount2("./42/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./42/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./42/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./42/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./42/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./42/file0") = 0 [pid 5062] umount2("./42/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./42/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./42/cgroup") = 0 [pid 5062] umount2("./42/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./42/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./42/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./42") = 0 [pid 5062] mkdir("./43", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5108 attached [pid 5108] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 45 [pid 5108] <... set_robust_list resumed>) = 0 [pid 5108] chdir("./43") = 0 [pid 5108] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5108] setpgid(0, 0) = 0 [pid 5108] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5108] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5108] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5108] write(3, "1000", 4) = 4 [pid 5108] close(3) = 0 [pid 5108] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5108] memfd_create("syzkaller", 0) = 3 [pid 5108] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5108] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5108] munmap(0x7f9497c79000, 138412032) = 0 [pid 5108] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5108] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5108] close(3) = 0 [pid 5108] mkdir("./file0", 0777) = 0 [ 107.145284][ T5108] loop0: detected capacity change from 0 to 4096 [ 107.160281][ T5108] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5108] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5108] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5108] chdir("./file0") = 0 [pid 5108] ioctl(4, LOOP_CLR_FD) = 0 [ 107.196962][ T5108] ntfs: volume version 3.1. [pid 5108] close(4) = 0 [pid 5108] creat("./file2", 000) = 4 [pid 5108] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5108] creat("./file2", 000) = 5 [pid 5108] close(3) = 0 [pid 5108] close(4) = 0 [pid 5108] close(5) = 0 [pid 5108] close(6) = -1 EBADF (Bad file descriptor) [pid 5108] close(7) = -1 EBADF (Bad file descriptor) [pid 5108] close(8) = -1 EBADF (Bad file descriptor) [pid 5108] close(9) = -1 EBADF (Bad file descriptor) [pid 5108] close(10) = -1 EBADF (Bad file descriptor) [pid 5108] close(11) = -1 EBADF (Bad file descriptor) [pid 5108] close(12) = -1 EBADF (Bad file descriptor) [pid 5108] close(13) = -1 EBADF (Bad file descriptor) [pid 5108] close(14) = -1 EBADF (Bad file descriptor) [pid 5108] close(15) = -1 EBADF (Bad file descriptor) [pid 5108] close(16) = -1 EBADF (Bad file descriptor) [pid 5108] close(17) = -1 EBADF (Bad file descriptor) [pid 5108] close(18) = -1 EBADF (Bad file descriptor) [pid 5108] close(19) = -1 EBADF (Bad file descriptor) [pid 5108] close(20) = -1 EBADF (Bad file descriptor) [pid 5108] close(21) = -1 EBADF (Bad file descriptor) [pid 5108] close(22) = -1 EBADF (Bad file descriptor) [pid 5108] close(23) = -1 EBADF (Bad file descriptor) [pid 5108] close(24) = -1 EBADF (Bad file descriptor) [pid 5108] close(25) = -1 EBADF (Bad file descriptor) [pid 5108] close(26) = -1 EBADF (Bad file descriptor) [pid 5108] close(27) = -1 EBADF (Bad file descriptor) [pid 5108] close(28) = -1 EBADF (Bad file descriptor) [pid 5108] close(29) = -1 EBADF (Bad file descriptor) [pid 5108] exit_group(0) = ? [pid 5108] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=45, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5062] umount2("./43", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./43/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./43/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./43/cgroup.cpu") = 0 [pid 5062] umount2("./43/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./43/binderfs") = 0 [pid 5062] umount2("./43/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./43/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./43/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./43/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./43/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./43/file0") = 0 [pid 5062] umount2("./43/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./43/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./43/cgroup") = 0 [pid 5062] umount2("./43/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./43/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./43/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./43") = 0 [pid 5062] mkdir("./44", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5109 attached [pid 5109] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 46 [pid 5109] <... set_robust_list resumed>) = 0 [pid 5109] chdir("./44") = 0 [pid 5109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5109] setpgid(0, 0) = 0 [pid 5109] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5109] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5109] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5109] write(3, "1000", 4) = 4 [pid 5109] close(3) = 0 [pid 5109] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5109] memfd_create("syzkaller", 0) = 3 [pid 5109] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5109] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5109] munmap(0x7f9497c79000, 138412032) = 0 [pid 5109] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5109] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5109] close(3) = 0 [pid 5109] mkdir("./file0", 0777) = 0 [ 107.789899][ T5109] loop0: detected capacity change from 0 to 4096 [ 107.806073][ T5109] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5109] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5109] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5109] chdir("./file0") = 0 [ 107.840398][ T5109] ntfs: volume version 3.1. [pid 5109] ioctl(4, LOOP_CLR_FD) = 0 [pid 5109] close(4) = 0 [pid 5109] creat("./file2", 000) = 4 [pid 5109] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5109] creat("./file2", 000) = 5 [pid 5109] close(3) = 0 [pid 5109] close(4) = 0 [pid 5109] close(5) = 0 [pid 5109] close(6) = -1 EBADF (Bad file descriptor) [pid 5109] close(7) = -1 EBADF (Bad file descriptor) [pid 5109] close(8) = -1 EBADF (Bad file descriptor) [pid 5109] close(9) = -1 EBADF (Bad file descriptor) [pid 5109] close(10) = -1 EBADF (Bad file descriptor) [pid 5109] close(11) = -1 EBADF (Bad file descriptor) [pid 5109] close(12) = -1 EBADF (Bad file descriptor) [pid 5109] close(13) = -1 EBADF (Bad file descriptor) [pid 5109] close(14) = -1 EBADF (Bad file descriptor) [pid 5109] close(15) = -1 EBADF (Bad file descriptor) [pid 5109] close(16) = -1 EBADF (Bad file descriptor) [pid 5109] close(17) = -1 EBADF (Bad file descriptor) [pid 5109] close(18) = -1 EBADF (Bad file descriptor) [pid 5109] close(19) = -1 EBADF (Bad file descriptor) [pid 5109] close(20) = -1 EBADF (Bad file descriptor) [pid 5109] close(21) = -1 EBADF (Bad file descriptor) [pid 5109] close(22) = -1 EBADF (Bad file descriptor) [pid 5109] close(23) = -1 EBADF (Bad file descriptor) [pid 5109] close(24) = -1 EBADF (Bad file descriptor) [pid 5109] close(25) = -1 EBADF (Bad file descriptor) [pid 5109] close(26) = -1 EBADF (Bad file descriptor) [pid 5109] close(27) = -1 EBADF (Bad file descriptor) [pid 5109] close(28) = -1 EBADF (Bad file descriptor) [pid 5109] close(29) = -1 EBADF (Bad file descriptor) [pid 5109] exit_group(0) = ? [pid 5109] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./44", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./44/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./44/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./44/cgroup.cpu") = 0 [pid 5062] umount2("./44/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./44/binderfs") = 0 [pid 5062] umount2("./44/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./44/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./44/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./44/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./44/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./44/file0") = 0 [pid 5062] umount2("./44/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./44/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./44/cgroup") = 0 [pid 5062] umount2("./44/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./44/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./44/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./44") = 0 [pid 5062] mkdir("./45", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5110 attached [pid 5110] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 47 [pid 5110] <... set_robust_list resumed>) = 0 [pid 5110] chdir("./45") = 0 [pid 5110] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5110] setpgid(0, 0) = 0 [pid 5110] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5110] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5110] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5110] write(3, "1000", 4) = 4 [pid 5110] close(3) = 0 [pid 5110] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5110] memfd_create("syzkaller", 0) = 3 [pid 5110] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5110] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5110] munmap(0x7f9497c79000, 138412032) = 0 [pid 5110] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5110] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5110] close(3) = 0 [pid 5110] mkdir("./file0", 0777) = 0 [ 108.476630][ T5110] loop0: detected capacity change from 0 to 4096 [ 108.501118][ T5110] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5110] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5110] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5110] chdir("./file0") = 0 [pid 5110] ioctl(4, LOOP_CLR_FD) = 0 [pid 5110] close(4) = 0 [pid 5110] creat("./file2", 000) = 4 [ 108.533295][ T5110] ntfs: volume version 3.1. [pid 5110] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5110] creat("./file2", 000) = 5 [pid 5110] close(3) = 0 [pid 5110] close(4) = 0 [pid 5110] close(5) = 0 [pid 5110] close(6) = -1 EBADF (Bad file descriptor) [pid 5110] close(7) = -1 EBADF (Bad file descriptor) [pid 5110] close(8) = -1 EBADF (Bad file descriptor) [pid 5110] close(9) = -1 EBADF (Bad file descriptor) [pid 5110] close(10) = -1 EBADF (Bad file descriptor) [pid 5110] close(11) = -1 EBADF (Bad file descriptor) [pid 5110] close(12) = -1 EBADF (Bad file descriptor) [pid 5110] close(13) = -1 EBADF (Bad file descriptor) [pid 5110] close(14) = -1 EBADF (Bad file descriptor) [pid 5110] close(15) = -1 EBADF (Bad file descriptor) [pid 5110] close(16) = -1 EBADF (Bad file descriptor) [pid 5110] close(17) = -1 EBADF (Bad file descriptor) [pid 5110] close(18) = -1 EBADF (Bad file descriptor) [pid 5110] close(19) = -1 EBADF (Bad file descriptor) [pid 5110] close(20) = -1 EBADF (Bad file descriptor) [pid 5110] close(21) = -1 EBADF (Bad file descriptor) [pid 5110] close(22) = -1 EBADF (Bad file descriptor) [pid 5110] close(23) = -1 EBADF (Bad file descriptor) [pid 5110] close(24) = -1 EBADF (Bad file descriptor) [pid 5110] close(25) = -1 EBADF (Bad file descriptor) [pid 5110] close(26) = -1 EBADF (Bad file descriptor) [pid 5110] close(27) = -1 EBADF (Bad file descriptor) [pid 5110] close(28) = -1 EBADF (Bad file descriptor) [pid 5110] close(29) = -1 EBADF (Bad file descriptor) [pid 5110] exit_group(0) = ? [pid 5110] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./45", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./45/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./45/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./45/cgroup.cpu") = 0 [pid 5062] umount2("./45/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./45/binderfs") = 0 [pid 5062] umount2("./45/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./45/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./45/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./45/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./45/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./45/file0") = 0 [pid 5062] umount2("./45/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./45/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./45/cgroup") = 0 [pid 5062] umount2("./45/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./45/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./45/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./45") = 0 [pid 5062] mkdir("./46", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5111 attached [pid 5111] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 48 [pid 5111] <... set_robust_list resumed>) = 0 [pid 5111] chdir("./46") = 0 [pid 5111] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5111] setpgid(0, 0) = 0 [pid 5111] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5111] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5111] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5111] write(3, "1000", 4) = 4 [pid 5111] close(3) = 0 [pid 5111] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5111] memfd_create("syzkaller", 0) = 3 [pid 5111] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5111] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5111] munmap(0x7f9497c79000, 138412032) = 0 [pid 5111] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5111] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5111] close(3) = 0 [pid 5111] mkdir("./file0", 0777) = 0 [ 109.105368][ T5111] loop0: detected capacity change from 0 to 4096 [ 109.119275][ T5111] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5111] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5111] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5111] chdir("./file0") = 0 [pid 5111] ioctl(4, LOOP_CLR_FD) = 0 [pid 5111] close(4) = 0 [pid 5111] creat("./file2", 000) = 4 [ 109.154957][ T5111] ntfs: volume version 3.1. [pid 5111] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5111] creat("./file2", 000) = 5 [pid 5111] close(3) = 0 [pid 5111] close(4) = 0 [pid 5111] close(5) = 0 [pid 5111] close(6) = -1 EBADF (Bad file descriptor) [pid 5111] close(7) = -1 EBADF (Bad file descriptor) [pid 5111] close(8) = -1 EBADF (Bad file descriptor) [pid 5111] close(9) = -1 EBADF (Bad file descriptor) [pid 5111] close(10) = -1 EBADF (Bad file descriptor) [pid 5111] close(11) = -1 EBADF (Bad file descriptor) [pid 5111] close(12) = -1 EBADF (Bad file descriptor) [pid 5111] close(13) = -1 EBADF (Bad file descriptor) [pid 5111] close(14) = -1 EBADF (Bad file descriptor) [pid 5111] close(15) = -1 EBADF (Bad file descriptor) [pid 5111] close(16) = -1 EBADF (Bad file descriptor) [pid 5111] close(17) = -1 EBADF (Bad file descriptor) [pid 5111] close(18) = -1 EBADF (Bad file descriptor) [pid 5111] close(19) = -1 EBADF (Bad file descriptor) [pid 5111] close(20) = -1 EBADF (Bad file descriptor) [pid 5111] close(21) = -1 EBADF (Bad file descriptor) [pid 5111] close(22) = -1 EBADF (Bad file descriptor) [pid 5111] close(23) = -1 EBADF (Bad file descriptor) [pid 5111] close(24) = -1 EBADF (Bad file descriptor) [pid 5111] close(25) = -1 EBADF (Bad file descriptor) [pid 5111] close(26) = -1 EBADF (Bad file descriptor) [pid 5111] close(27) = -1 EBADF (Bad file descriptor) [pid 5111] close(28) = -1 EBADF (Bad file descriptor) [pid 5111] close(29) = -1 EBADF (Bad file descriptor) [pid 5111] exit_group(0) = ? [pid 5111] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=48, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./46", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./46/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./46/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./46/cgroup.cpu") = 0 [pid 5062] umount2("./46/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./46/binderfs") = 0 [pid 5062] umount2("./46/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./46/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./46/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./46/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./46/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./46/file0") = 0 [pid 5062] umount2("./46/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./46/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./46/cgroup") = 0 [pid 5062] umount2("./46/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./46/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./46/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./46") = 0 [pid 5062] mkdir("./47", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5112 attached [pid 5112] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 49 [pid 5112] <... set_robust_list resumed>) = 0 [pid 5112] chdir("./47") = 0 [pid 5112] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5112] setpgid(0, 0) = 0 [pid 5112] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5112] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5112] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5112] write(3, "1000", 4) = 4 [pid 5112] close(3) = 0 [pid 5112] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5112] memfd_create("syzkaller", 0) = 3 [pid 5112] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5112] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5112] munmap(0x7f9497c79000, 138412032) = 0 [pid 5112] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5112] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5112] close(3) = 0 [pid 5112] mkdir("./file0", 0777) = 0 [ 109.707731][ T5112] loop0: detected capacity change from 0 to 4096 [ 109.731942][ T5112] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5112] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5112] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5112] chdir("./file0") = 0 [ 109.765222][ T5112] ntfs: volume version 3.1. [pid 5112] ioctl(4, LOOP_CLR_FD) = 0 [pid 5112] close(4) = 0 [pid 5112] creat("./file2", 000) = 4 [pid 5112] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5112] creat("./file2", 000) = 5 [pid 5112] close(3) = 0 [pid 5112] close(4) = 0 [pid 5112] close(5) = 0 [pid 5112] close(6) = -1 EBADF (Bad file descriptor) [pid 5112] close(7) = -1 EBADF (Bad file descriptor) [pid 5112] close(8) = -1 EBADF (Bad file descriptor) [pid 5112] close(9) = -1 EBADF (Bad file descriptor) [pid 5112] close(10) = -1 EBADF (Bad file descriptor) [pid 5112] close(11) = -1 EBADF (Bad file descriptor) [pid 5112] close(12) = -1 EBADF (Bad file descriptor) [pid 5112] close(13) = -1 EBADF (Bad file descriptor) [pid 5112] close(14) = -1 EBADF (Bad file descriptor) [pid 5112] close(15) = -1 EBADF (Bad file descriptor) [pid 5112] close(16) = -1 EBADF (Bad file descriptor) [pid 5112] close(17) = -1 EBADF (Bad file descriptor) [pid 5112] close(18) = -1 EBADF (Bad file descriptor) [pid 5112] close(19) = -1 EBADF (Bad file descriptor) [pid 5112] close(20) = -1 EBADF (Bad file descriptor) [pid 5112] close(21) = -1 EBADF (Bad file descriptor) [pid 5112] close(22) = -1 EBADF (Bad file descriptor) [pid 5112] close(23) = -1 EBADF (Bad file descriptor) [pid 5112] close(24) = -1 EBADF (Bad file descriptor) [pid 5112] close(25) = -1 EBADF (Bad file descriptor) [pid 5112] close(26) = -1 EBADF (Bad file descriptor) [pid 5112] close(27) = -1 EBADF (Bad file descriptor) [pid 5112] close(28) = -1 EBADF (Bad file descriptor) [pid 5112] close(29) = -1 EBADF (Bad file descriptor) [pid 5112] exit_group(0) = ? [pid 5112] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=49, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./47", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./47/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./47/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./47/cgroup.cpu") = 0 [pid 5062] umount2("./47/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./47/binderfs") = 0 [pid 5062] umount2("./47/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./47/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./47/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./47/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./47/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./47/file0") = 0 [pid 5062] umount2("./47/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./47/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./47/cgroup") = 0 [pid 5062] umount2("./47/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./47/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./47/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./47") = 0 [pid 5062] mkdir("./48", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5113 attached [pid 5113] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 50 [pid 5113] <... set_robust_list resumed>) = 0 [pid 5113] chdir("./48") = 0 [pid 5113] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5113] setpgid(0, 0) = 0 [pid 5113] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5113] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5113] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5113] write(3, "1000", 4) = 4 [pid 5113] close(3) = 0 [pid 5113] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5113] memfd_create("syzkaller", 0) = 3 [pid 5113] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5113] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5113] munmap(0x7f9497c79000, 138412032) = 0 [pid 5113] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5113] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5113] close(3) = 0 [pid 5113] mkdir("./file0", 0777) = 0 [ 110.393884][ T5113] loop0: detected capacity change from 0 to 4096 [ 110.408472][ T5113] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5113] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5113] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5113] chdir("./file0") = 0 [pid 5113] ioctl(4, LOOP_CLR_FD) = 0 [ 110.442954][ T5113] ntfs: volume version 3.1. [pid 5113] close(4) = 0 [pid 5113] creat("./file2", 000) = 4 [pid 5113] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5113] creat("./file2", 000) = 5 [pid 5113] close(3) = 0 [pid 5113] close(4) = 0 [pid 5113] close(5) = 0 [pid 5113] close(6) = -1 EBADF (Bad file descriptor) [pid 5113] close(7) = -1 EBADF (Bad file descriptor) [pid 5113] close(8) = -1 EBADF (Bad file descriptor) [pid 5113] close(9) = -1 EBADF (Bad file descriptor) [pid 5113] close(10) = -1 EBADF (Bad file descriptor) [pid 5113] close(11) = -1 EBADF (Bad file descriptor) [pid 5113] close(12) = -1 EBADF (Bad file descriptor) [pid 5113] close(13) = -1 EBADF (Bad file descriptor) [pid 5113] close(14) = -1 EBADF (Bad file descriptor) [pid 5113] close(15) = -1 EBADF (Bad file descriptor) [pid 5113] close(16) = -1 EBADF (Bad file descriptor) [pid 5113] close(17) = -1 EBADF (Bad file descriptor) [pid 5113] close(18) = -1 EBADF (Bad file descriptor) [pid 5113] close(19) = -1 EBADF (Bad file descriptor) [pid 5113] close(20) = -1 EBADF (Bad file descriptor) [pid 5113] close(21) = -1 EBADF (Bad file descriptor) [pid 5113] close(22) = -1 EBADF (Bad file descriptor) [pid 5113] close(23) = -1 EBADF (Bad file descriptor) [pid 5113] close(24) = -1 EBADF (Bad file descriptor) [pid 5113] close(25) = -1 EBADF (Bad file descriptor) [pid 5113] close(26) = -1 EBADF (Bad file descriptor) [pid 5113] close(27) = -1 EBADF (Bad file descriptor) [pid 5113] close(28) = -1 EBADF (Bad file descriptor) [pid 5113] close(29) = -1 EBADF (Bad file descriptor) [pid 5113] exit_group(0) = ? [pid 5113] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] umount2("./48", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./48/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./48/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./48/cgroup.cpu") = 0 [pid 5062] umount2("./48/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./48/binderfs") = 0 [pid 5062] umount2("./48/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./48/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./48/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./48/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./48/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./48/file0") = 0 [pid 5062] umount2("./48/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./48/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./48/cgroup") = 0 [pid 5062] umount2("./48/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./48/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./48/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./48") = 0 [pid 5062] mkdir("./49", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5114 attached [pid 5114] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 51 [pid 5114] <... set_robust_list resumed>) = 0 [pid 5114] chdir("./49") = 0 [pid 5114] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5114] setpgid(0, 0) = 0 [pid 5114] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5114] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5114] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5114] write(3, "1000", 4) = 4 [pid 5114] close(3) = 0 [pid 5114] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5114] memfd_create("syzkaller", 0) = 3 [pid 5114] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5114] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5114] munmap(0x7f9497c79000, 138412032) = 0 [pid 5114] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5114] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5114] close(3) = 0 [pid 5114] mkdir("./file0", 0777) = 0 [ 110.978291][ T5114] loop0: detected capacity change from 0 to 4096 [ 110.998369][ T5114] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5114] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5114] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5114] chdir("./file0") = 0 [pid 5114] ioctl(4, LOOP_CLR_FD) = 0 [pid 5114] close(4) = 0 [ 111.030695][ T5114] ntfs: volume version 3.1. [pid 5114] creat("./file2", 000) = 4 [pid 5114] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5114] creat("./file2", 000) = 5 [pid 5114] close(3) = 0 [pid 5114] close(4) = 0 [pid 5114] close(5) = 0 [pid 5114] close(6) = -1 EBADF (Bad file descriptor) [pid 5114] close(7) = -1 EBADF (Bad file descriptor) [pid 5114] close(8) = -1 EBADF (Bad file descriptor) [pid 5114] close(9) = -1 EBADF (Bad file descriptor) [pid 5114] close(10) = -1 EBADF (Bad file descriptor) [pid 5114] close(11) = -1 EBADF (Bad file descriptor) [pid 5114] close(12) = -1 EBADF (Bad file descriptor) [pid 5114] close(13) = -1 EBADF (Bad file descriptor) [pid 5114] close(14) = -1 EBADF (Bad file descriptor) [pid 5114] close(15) = -1 EBADF (Bad file descriptor) [pid 5114] close(16) = -1 EBADF (Bad file descriptor) [pid 5114] close(17) = -1 EBADF (Bad file descriptor) [pid 5114] close(18) = -1 EBADF (Bad file descriptor) [pid 5114] close(19) = -1 EBADF (Bad file descriptor) [pid 5114] close(20) = -1 EBADF (Bad file descriptor) [pid 5114] close(21) = -1 EBADF (Bad file descriptor) [pid 5114] close(22) = -1 EBADF (Bad file descriptor) [pid 5114] close(23) = -1 EBADF (Bad file descriptor) [pid 5114] close(24) = -1 EBADF (Bad file descriptor) [pid 5114] close(25) = -1 EBADF (Bad file descriptor) [pid 5114] close(26) = -1 EBADF (Bad file descriptor) [pid 5114] close(27) = -1 EBADF (Bad file descriptor) [pid 5114] close(28) = -1 EBADF (Bad file descriptor) [pid 5114] close(29) = -1 EBADF (Bad file descriptor) [pid 5114] exit_group(0) = ? [pid 5114] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=51, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./49", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./49/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./49/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./49/cgroup.cpu") = 0 [pid 5062] umount2("./49/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./49/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./49/binderfs") = 0 [pid 5062] umount2("./49/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./49/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./49/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./49/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./49/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./49/file0") = 0 [pid 5062] umount2("./49/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./49/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./49/cgroup") = 0 [pid 5062] umount2("./49/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./49/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./49/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./49") = 0 [pid 5062] mkdir("./50", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5115 attached , child_tidptr=0x555556e8b650) = 52 [pid 5115] set_robust_list(0x555556e8b660, 24) = 0 [pid 5115] chdir("./50") = 0 [pid 5115] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5115] setpgid(0, 0) = 0 [pid 5115] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5115] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5115] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5115] write(3, "1000", 4) = 4 [pid 5115] close(3) = 0 [pid 5115] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5115] memfd_create("syzkaller", 0) = 3 [pid 5115] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5115] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5115] munmap(0x7f9497c79000, 138412032) = 0 [pid 5115] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5115] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5115] close(3) = 0 [pid 5115] mkdir("./file0", 0777) = 0 [ 111.635031][ T5115] loop0: detected capacity change from 0 to 4096 [ 111.649767][ T5115] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5115] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5115] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5115] chdir("./file0") = 0 [pid 5115] ioctl(4, LOOP_CLR_FD) = 0 [pid 5115] close(4) = 0 [pid 5115] creat("./file2", 000) = 4 [ 111.681666][ T5115] ntfs: volume version 3.1. [pid 5115] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5115] creat("./file2", 000) = 5 [pid 5115] close(3) = 0 [pid 5115] close(4) = 0 [pid 5115] close(5) = 0 [pid 5115] close(6) = -1 EBADF (Bad file descriptor) [pid 5115] close(7) = -1 EBADF (Bad file descriptor) [pid 5115] close(8) = -1 EBADF (Bad file descriptor) [pid 5115] close(9) = -1 EBADF (Bad file descriptor) [pid 5115] close(10) = -1 EBADF (Bad file descriptor) [pid 5115] close(11) = -1 EBADF (Bad file descriptor) [pid 5115] close(12) = -1 EBADF (Bad file descriptor) [pid 5115] close(13) = -1 EBADF (Bad file descriptor) [pid 5115] close(14) = -1 EBADF (Bad file descriptor) [pid 5115] close(15) = -1 EBADF (Bad file descriptor) [pid 5115] close(16) = -1 EBADF (Bad file descriptor) [pid 5115] close(17) = -1 EBADF (Bad file descriptor) [pid 5115] close(18) = -1 EBADF (Bad file descriptor) [pid 5115] close(19) = -1 EBADF (Bad file descriptor) [pid 5115] close(20) = -1 EBADF (Bad file descriptor) [pid 5115] close(21) = -1 EBADF (Bad file descriptor) [pid 5115] close(22) = -1 EBADF (Bad file descriptor) [pid 5115] close(23) = -1 EBADF (Bad file descriptor) [pid 5115] close(24) = -1 EBADF (Bad file descriptor) [pid 5115] close(25) = -1 EBADF (Bad file descriptor) [pid 5115] close(26) = -1 EBADF (Bad file descriptor) [pid 5115] close(27) = -1 EBADF (Bad file descriptor) [pid 5115] close(28) = -1 EBADF (Bad file descriptor) [pid 5115] close(29) = -1 EBADF (Bad file descriptor) [pid 5115] exit_group(0) = ? [pid 5115] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=52, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./50", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./50/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./50/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./50/cgroup.cpu") = 0 [pid 5062] umount2("./50/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./50/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./50/binderfs") = 0 [pid 5062] umount2("./50/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./50/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./50/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./50/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./50/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./50/file0") = 0 [pid 5062] umount2("./50/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./50/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./50/cgroup") = 0 [pid 5062] umount2("./50/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./50/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./50/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./50") = 0 [pid 5062] mkdir("./51", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5116 attached [pid 5116] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 53 [pid 5116] <... set_robust_list resumed>) = 0 [pid 5116] chdir("./51") = 0 [pid 5116] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5116] setpgid(0, 0) = 0 [pid 5116] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5116] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5116] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5116] write(3, "1000", 4) = 4 [pid 5116] close(3) = 0 [pid 5116] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5116] memfd_create("syzkaller", 0) = 3 [pid 5116] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5116] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5116] munmap(0x7f9497c79000, 138412032) = 0 [pid 5116] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5116] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5116] close(3) = 0 [pid 5116] mkdir("./file0", 0777) = 0 [ 112.241467][ T5116] loop0: detected capacity change from 0 to 4096 [ 112.255982][ T5116] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5116] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5116] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5116] chdir("./file0") = 0 [pid 5116] ioctl(4, LOOP_CLR_FD) = 0 [pid 5116] close(4) = 0 [pid 5116] creat("./file2", 000) = 4 [ 112.289591][ T5116] ntfs: volume version 3.1. [pid 5116] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5116] creat("./file2", 000) = 5 [pid 5116] close(3) = 0 [pid 5116] close(4) = 0 [pid 5116] close(5) = 0 [pid 5116] close(6) = -1 EBADF (Bad file descriptor) [pid 5116] close(7) = -1 EBADF (Bad file descriptor) [pid 5116] close(8) = -1 EBADF (Bad file descriptor) [pid 5116] close(9) = -1 EBADF (Bad file descriptor) [pid 5116] close(10) = -1 EBADF (Bad file descriptor) [pid 5116] close(11) = -1 EBADF (Bad file descriptor) [pid 5116] close(12) = -1 EBADF (Bad file descriptor) [pid 5116] close(13) = -1 EBADF (Bad file descriptor) [pid 5116] close(14) = -1 EBADF (Bad file descriptor) [pid 5116] close(15) = -1 EBADF (Bad file descriptor) [pid 5116] close(16) = -1 EBADF (Bad file descriptor) [pid 5116] close(17) = -1 EBADF (Bad file descriptor) [pid 5116] close(18) = -1 EBADF (Bad file descriptor) [pid 5116] close(19) = -1 EBADF (Bad file descriptor) [pid 5116] close(20) = -1 EBADF (Bad file descriptor) [pid 5116] close(21) = -1 EBADF (Bad file descriptor) [pid 5116] close(22) = -1 EBADF (Bad file descriptor) [pid 5116] close(23) = -1 EBADF (Bad file descriptor) [pid 5116] close(24) = -1 EBADF (Bad file descriptor) [pid 5116] close(25) = -1 EBADF (Bad file descriptor) [pid 5116] close(26) = -1 EBADF (Bad file descriptor) [pid 5116] close(27) = -1 EBADF (Bad file descriptor) [pid 5116] close(28) = -1 EBADF (Bad file descriptor) [pid 5116] close(29) = -1 EBADF (Bad file descriptor) [pid 5116] exit_group(0) = ? [pid 5116] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=53, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./51", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./51/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./51/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./51/cgroup.cpu") = 0 [pid 5062] umount2("./51/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./51/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./51/binderfs") = 0 [pid 5062] umount2("./51/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./51/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./51/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./51/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./51/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./51/file0") = 0 [pid 5062] umount2("./51/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./51/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./51/cgroup") = 0 [pid 5062] umount2("./51/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./51/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./51/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./51") = 0 [pid 5062] mkdir("./52", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5117 attached [pid 5117] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 54 [pid 5117] <... set_robust_list resumed>) = 0 [pid 5117] chdir("./52") = 0 [pid 5117] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5117] setpgid(0, 0) = 0 [pid 5117] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5117] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5117] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5117] write(3, "1000", 4) = 4 [pid 5117] close(3) = 0 [pid 5117] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5117] memfd_create("syzkaller", 0) = 3 [pid 5117] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5117] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5117] munmap(0x7f9497c79000, 138412032) = 0 [pid 5117] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5117] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5117] close(3) = 0 [pid 5117] mkdir("./file0", 0777) = 0 [ 112.894931][ T5117] loop0: detected capacity change from 0 to 4096 [ 112.922073][ T5117] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5117] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5117] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5117] chdir("./file0") = 0 [pid 5117] ioctl(4, LOOP_CLR_FD) = 0 [pid 5117] close(4) = 0 [ 112.957693][ T5117] ntfs: volume version 3.1. [pid 5117] creat("./file2", 000) = 4 [pid 5117] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5117] creat("./file2", 000) = 5 [pid 5117] close(3) = 0 [pid 5117] close(4) = 0 [pid 5117] close(5) = 0 [pid 5117] close(6) = -1 EBADF (Bad file descriptor) [pid 5117] close(7) = -1 EBADF (Bad file descriptor) [pid 5117] close(8) = -1 EBADF (Bad file descriptor) [pid 5117] close(9) = -1 EBADF (Bad file descriptor) [pid 5117] close(10) = -1 EBADF (Bad file descriptor) [pid 5117] close(11) = -1 EBADF (Bad file descriptor) [pid 5117] close(12) = -1 EBADF (Bad file descriptor) [pid 5117] close(13) = -1 EBADF (Bad file descriptor) [pid 5117] close(14) = -1 EBADF (Bad file descriptor) [pid 5117] close(15) = -1 EBADF (Bad file descriptor) [pid 5117] close(16) = -1 EBADF (Bad file descriptor) [pid 5117] close(17) = -1 EBADF (Bad file descriptor) [pid 5117] close(18) = -1 EBADF (Bad file descriptor) [pid 5117] close(19) = -1 EBADF (Bad file descriptor) [pid 5117] close(20) = -1 EBADF (Bad file descriptor) [pid 5117] close(21) = -1 EBADF (Bad file descriptor) [pid 5117] close(22) = -1 EBADF (Bad file descriptor) [pid 5117] close(23) = -1 EBADF (Bad file descriptor) [pid 5117] close(24) = -1 EBADF (Bad file descriptor) [pid 5117] close(25) = -1 EBADF (Bad file descriptor) [pid 5117] close(26) = -1 EBADF (Bad file descriptor) [pid 5117] close(27) = -1 EBADF (Bad file descriptor) [pid 5117] close(28) = -1 EBADF (Bad file descriptor) [pid 5117] close(29) = -1 EBADF (Bad file descriptor) [pid 5117] exit_group(0) = ? [pid 5117] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=54, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./52", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./52/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./52/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./52/cgroup.cpu") = 0 [pid 5062] umount2("./52/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./52/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./52/binderfs") = 0 [pid 5062] umount2("./52/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./52/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./52/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./52/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./52/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./52/file0") = 0 [pid 5062] umount2("./52/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./52/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./52/cgroup") = 0 [pid 5062] umount2("./52/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./52/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./52/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./52") = 0 [pid 5062] mkdir("./53", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5118 attached [pid 5118] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 55 [pid 5118] <... set_robust_list resumed>) = 0 [pid 5118] chdir("./53") = 0 [pid 5118] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5118] setpgid(0, 0) = 0 [pid 5118] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5118] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5118] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5118] write(3, "1000", 4) = 4 [pid 5118] close(3) = 0 [pid 5118] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5118] memfd_create("syzkaller", 0) = 3 [pid 5118] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5118] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5118] munmap(0x7f9497c79000, 138412032) = 0 [pid 5118] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5118] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5118] close(3) = 0 [pid 5118] mkdir("./file0", 0777) = 0 [ 113.528089][ T5118] loop0: detected capacity change from 0 to 4096 [ 113.553968][ T5118] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5118] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5118] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5118] chdir("./file0") = 0 [pid 5118] ioctl(4, LOOP_CLR_FD) = 0 [pid 5118] close(4) = 0 [pid 5118] creat("./file2", 000) = 4 [ 113.587824][ T5118] ntfs: volume version 3.1. [pid 5118] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5118] creat("./file2", 000) = 5 [pid 5118] close(3) = 0 [pid 5118] close(4) = 0 [pid 5118] close(5) = 0 [pid 5118] close(6) = -1 EBADF (Bad file descriptor) [pid 5118] close(7) = -1 EBADF (Bad file descriptor) [pid 5118] close(8) = -1 EBADF (Bad file descriptor) [pid 5118] close(9) = -1 EBADF (Bad file descriptor) [pid 5118] close(10) = -1 EBADF (Bad file descriptor) [pid 5118] close(11) = -1 EBADF (Bad file descriptor) [pid 5118] close(12) = -1 EBADF (Bad file descriptor) [pid 5118] close(13) = -1 EBADF (Bad file descriptor) [pid 5118] close(14) = -1 EBADF (Bad file descriptor) [pid 5118] close(15) = -1 EBADF (Bad file descriptor) [pid 5118] close(16) = -1 EBADF (Bad file descriptor) [pid 5118] close(17) = -1 EBADF (Bad file descriptor) [pid 5118] close(18) = -1 EBADF (Bad file descriptor) [pid 5118] close(19) = -1 EBADF (Bad file descriptor) [pid 5118] close(20) = -1 EBADF (Bad file descriptor) [pid 5118] close(21) = -1 EBADF (Bad file descriptor) [pid 5118] close(22) = -1 EBADF (Bad file descriptor) [pid 5118] close(23) = -1 EBADF (Bad file descriptor) [pid 5118] close(24) = -1 EBADF (Bad file descriptor) [pid 5118] close(25) = -1 EBADF (Bad file descriptor) [pid 5118] close(26) = -1 EBADF (Bad file descriptor) [pid 5118] close(27) = -1 EBADF (Bad file descriptor) [pid 5118] close(28) = -1 EBADF (Bad file descriptor) [pid 5118] close(29) = -1 EBADF (Bad file descriptor) [pid 5118] exit_group(0) = ? [pid 5118] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=55, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./53", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./53/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./53/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./53/cgroup.cpu") = 0 [pid 5062] umount2("./53/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./53/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./53/binderfs") = 0 [pid 5062] umount2("./53/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./53/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./53/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./53/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./53/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./53/file0") = 0 [pid 5062] umount2("./53/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./53/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./53/cgroup") = 0 [pid 5062] umount2("./53/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./53/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./53/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./53") = 0 [pid 5062] mkdir("./54", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5119 attached [pid 5119] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 56 [pid 5119] <... set_robust_list resumed>) = 0 [pid 5119] chdir("./54") = 0 [pid 5119] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5119] setpgid(0, 0) = 0 [pid 5119] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5119] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5119] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5119] write(3, "1000", 4) = 4 [pid 5119] close(3) = 0 [pid 5119] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5119] memfd_create("syzkaller", 0) = 3 [pid 5119] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5119] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5119] munmap(0x7f9497c79000, 138412032) = 0 [pid 5119] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5119] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5119] close(3) = 0 [pid 5119] mkdir("./file0", 0777) = 0 [ 114.146001][ T5119] loop0: detected capacity change from 0 to 4096 [ 114.171302][ T5119] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5119] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5119] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5119] chdir("./file0") = 0 [pid 5119] ioctl(4, LOOP_CLR_FD) = 0 [pid 5119] close(4) = 0 [ 114.206880][ T5119] ntfs: volume version 3.1. [pid 5119] creat("./file2", 000) = 4 [pid 5119] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5119] creat("./file2", 000) = 5 [pid 5119] close(3) = 0 [pid 5119] close(4) = 0 [pid 5119] close(5) = 0 [pid 5119] close(6) = -1 EBADF (Bad file descriptor) [pid 5119] close(7) = -1 EBADF (Bad file descriptor) [pid 5119] close(8) = -1 EBADF (Bad file descriptor) [pid 5119] close(9) = -1 EBADF (Bad file descriptor) [pid 5119] close(10) = -1 EBADF (Bad file descriptor) [pid 5119] close(11) = -1 EBADF (Bad file descriptor) [pid 5119] close(12) = -1 EBADF (Bad file descriptor) [pid 5119] close(13) = -1 EBADF (Bad file descriptor) [pid 5119] close(14) = -1 EBADF (Bad file descriptor) [pid 5119] close(15) = -1 EBADF (Bad file descriptor) [pid 5119] close(16) = -1 EBADF (Bad file descriptor) [pid 5119] close(17) = -1 EBADF (Bad file descriptor) [pid 5119] close(18) = -1 EBADF (Bad file descriptor) [pid 5119] close(19) = -1 EBADF (Bad file descriptor) [pid 5119] close(20) = -1 EBADF (Bad file descriptor) [pid 5119] close(21) = -1 EBADF (Bad file descriptor) [pid 5119] close(22) = -1 EBADF (Bad file descriptor) [pid 5119] close(23) = -1 EBADF (Bad file descriptor) [pid 5119] close(24) = -1 EBADF (Bad file descriptor) [pid 5119] close(25) = -1 EBADF (Bad file descriptor) [pid 5119] close(26) = -1 EBADF (Bad file descriptor) [pid 5119] close(27) = -1 EBADF (Bad file descriptor) [pid 5119] close(28) = -1 EBADF (Bad file descriptor) [pid 5119] close(29) = -1 EBADF (Bad file descriptor) [pid 5119] exit_group(0) = ? [pid 5119] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=56, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] umount2("./54", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./54/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./54/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./54/cgroup.cpu") = 0 [pid 5062] umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./54/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./54/binderfs") = 0 [pid 5062] umount2("./54/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./54/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./54/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./54/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./54/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./54/file0") = 0 [pid 5062] umount2("./54/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./54/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./54/cgroup") = 0 [pid 5062] umount2("./54/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./54/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./54/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./54") = 0 [pid 5062] mkdir("./55", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5120 attached [pid 5120] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 57 [pid 5120] <... set_robust_list resumed>) = 0 [pid 5120] chdir("./55") = 0 [pid 5120] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5120] setpgid(0, 0) = 0 [pid 5120] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5120] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5120] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5120] write(3, "1000", 4) = 4 [pid 5120] close(3) = 0 [pid 5120] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5120] memfd_create("syzkaller", 0) = 3 [pid 5120] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5120] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5120] munmap(0x7f9497c79000, 138412032) = 0 [pid 5120] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5120] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5120] close(3) = 0 [pid 5120] mkdir("./file0", 0777) = 0 [ 114.800639][ T5120] loop0: detected capacity change from 0 to 4096 [ 114.824071][ T5120] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5120] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5120] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5120] chdir("./file0") = 0 [pid 5120] ioctl(4, LOOP_CLR_FD) = 0 [ 114.858523][ T5120] ntfs: volume version 3.1. [pid 5120] close(4) = 0 [pid 5120] creat("./file2", 000) = 4 [pid 5120] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5120] creat("./file2", 000) = 5 [pid 5120] close(3) = 0 [pid 5120] close(4) = 0 [pid 5120] close(5) = 0 [pid 5120] close(6) = -1 EBADF (Bad file descriptor) [pid 5120] close(7) = -1 EBADF (Bad file descriptor) [pid 5120] close(8) = -1 EBADF (Bad file descriptor) [pid 5120] close(9) = -1 EBADF (Bad file descriptor) [pid 5120] close(10) = -1 EBADF (Bad file descriptor) [pid 5120] close(11) = -1 EBADF (Bad file descriptor) [pid 5120] close(12) = -1 EBADF (Bad file descriptor) [pid 5120] close(13) = -1 EBADF (Bad file descriptor) [pid 5120] close(14) = -1 EBADF (Bad file descriptor) [pid 5120] close(15) = -1 EBADF (Bad file descriptor) [pid 5120] close(16) = -1 EBADF (Bad file descriptor) [pid 5120] close(17) = -1 EBADF (Bad file descriptor) [pid 5120] close(18) = -1 EBADF (Bad file descriptor) [pid 5120] close(19) = -1 EBADF (Bad file descriptor) [pid 5120] close(20) = -1 EBADF (Bad file descriptor) [pid 5120] close(21) = -1 EBADF (Bad file descriptor) [pid 5120] close(22) = -1 EBADF (Bad file descriptor) [pid 5120] close(23) = -1 EBADF (Bad file descriptor) [pid 5120] close(24) = -1 EBADF (Bad file descriptor) [pid 5120] close(25) = -1 EBADF (Bad file descriptor) [pid 5120] close(26) = -1 EBADF (Bad file descriptor) [pid 5120] close(27) = -1 EBADF (Bad file descriptor) [pid 5120] close(28) = -1 EBADF (Bad file descriptor) [pid 5120] close(29) = -1 EBADF (Bad file descriptor) [pid 5120] exit_group(0) = ? [pid 5120] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=57, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./55/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./55/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./55/cgroup.cpu") = 0 [pid 5062] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./55/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./55/binderfs") = 0 [pid 5062] umount2("./55/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./55/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./55/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./55/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./55/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./55/file0") = 0 [pid 5062] umount2("./55/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./55/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./55/cgroup") = 0 [pid 5062] umount2("./55/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./55/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./55/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./55") = 0 [pid 5062] mkdir("./56", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5121 attached [pid 5121] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 58 [pid 5121] <... set_robust_list resumed>) = 0 [pid 5121] chdir("./56") = 0 [pid 5121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5121] setpgid(0, 0) = 0 [pid 5121] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5121] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5121] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5121] write(3, "1000", 4) = 4 [pid 5121] close(3) = 0 [pid 5121] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5121] memfd_create("syzkaller", 0) = 3 [pid 5121] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5121] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5121] munmap(0x7f9497c79000, 138412032) = 0 [pid 5121] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5121] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5121] close(3) = 0 [pid 5121] mkdir("./file0", 0777) = 0 [ 115.474207][ T5121] loop0: detected capacity change from 0 to 4096 [ 115.501656][ T5121] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5121] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5121] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5121] chdir("./file0") = 0 [pid 5121] ioctl(4, LOOP_CLR_FD) = 0 [pid 5121] close(4) = 0 [pid 5121] creat("./file2", 000) = 4 [ 115.537437][ T5121] ntfs: volume version 3.1. [pid 5121] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5121] creat("./file2", 000) = 5 [pid 5121] close(3) = 0 [pid 5121] close(4) = 0 [pid 5121] close(5) = 0 [pid 5121] close(6) = -1 EBADF (Bad file descriptor) [pid 5121] close(7) = -1 EBADF (Bad file descriptor) [pid 5121] close(8) = -1 EBADF (Bad file descriptor) [pid 5121] close(9) = -1 EBADF (Bad file descriptor) [pid 5121] close(10) = -1 EBADF (Bad file descriptor) [pid 5121] close(11) = -1 EBADF (Bad file descriptor) [pid 5121] close(12) = -1 EBADF (Bad file descriptor) [pid 5121] close(13) = -1 EBADF (Bad file descriptor) [pid 5121] close(14) = -1 EBADF (Bad file descriptor) [pid 5121] close(15) = -1 EBADF (Bad file descriptor) [pid 5121] close(16) = -1 EBADF (Bad file descriptor) [pid 5121] close(17) = -1 EBADF (Bad file descriptor) [pid 5121] close(18) = -1 EBADF (Bad file descriptor) [pid 5121] close(19) = -1 EBADF (Bad file descriptor) [pid 5121] close(20) = -1 EBADF (Bad file descriptor) [pid 5121] close(21) = -1 EBADF (Bad file descriptor) [pid 5121] close(22) = -1 EBADF (Bad file descriptor) [pid 5121] close(23) = -1 EBADF (Bad file descriptor) [pid 5121] close(24) = -1 EBADF (Bad file descriptor) [pid 5121] close(25) = -1 EBADF (Bad file descriptor) [pid 5121] close(26) = -1 EBADF (Bad file descriptor) [pid 5121] close(27) = -1 EBADF (Bad file descriptor) [pid 5121] close(28) = -1 EBADF (Bad file descriptor) [pid 5121] close(29) = -1 EBADF (Bad file descriptor) [pid 5121] exit_group(0) = ? [pid 5121] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=58, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./56/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./56/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./56/cgroup.cpu") = 0 [pid 5062] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./56/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./56/binderfs") = 0 [pid 5062] umount2("./56/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./56/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./56/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./56/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./56/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./56/file0") = 0 [pid 5062] umount2("./56/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./56/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./56/cgroup") = 0 [pid 5062] umount2("./56/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./56/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./56/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./56") = 0 [pid 5062] mkdir("./57", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5122 attached , child_tidptr=0x555556e8b650) = 59 [pid 5122] set_robust_list(0x555556e8b660, 24) = 0 [pid 5122] chdir("./57") = 0 [pid 5122] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5122] setpgid(0, 0) = 0 [pid 5122] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5122] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5122] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5122] write(3, "1000", 4) = 4 [pid 5122] close(3) = 0 [pid 5122] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5122] memfd_create("syzkaller", 0) = 3 [pid 5122] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5122] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5122] munmap(0x7f9497c79000, 138412032) = 0 [pid 5122] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5122] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5122] close(3) = 0 [pid 5122] mkdir("./file0", 0777) = 0 [ 116.125505][ T5122] loop0: detected capacity change from 0 to 4096 [ 116.139412][ T5122] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5122] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5122] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5122] chdir("./file0") = 0 [pid 5122] ioctl(4, LOOP_CLR_FD) = 0 [pid 5122] close(4) = 0 [ 116.173356][ T5122] ntfs: volume version 3.1. [pid 5122] creat("./file2", 000) = 4 [pid 5122] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5122] creat("./file2", 000) = 5 [pid 5122] close(3) = 0 [pid 5122] close(4) = 0 [pid 5122] close(5) = 0 [pid 5122] close(6) = -1 EBADF (Bad file descriptor) [pid 5122] close(7) = -1 EBADF (Bad file descriptor) [pid 5122] close(8) = -1 EBADF (Bad file descriptor) [pid 5122] close(9) = -1 EBADF (Bad file descriptor) [pid 5122] close(10) = -1 EBADF (Bad file descriptor) [pid 5122] close(11) = -1 EBADF (Bad file descriptor) [pid 5122] close(12) = -1 EBADF (Bad file descriptor) [pid 5122] close(13) = -1 EBADF (Bad file descriptor) [pid 5122] close(14) = -1 EBADF (Bad file descriptor) [pid 5122] close(15) = -1 EBADF (Bad file descriptor) [pid 5122] close(16) = -1 EBADF (Bad file descriptor) [pid 5122] close(17) = -1 EBADF (Bad file descriptor) [pid 5122] close(18) = -1 EBADF (Bad file descriptor) [pid 5122] close(19) = -1 EBADF (Bad file descriptor) [pid 5122] close(20) = -1 EBADF (Bad file descriptor) [pid 5122] close(21) = -1 EBADF (Bad file descriptor) [pid 5122] close(22) = -1 EBADF (Bad file descriptor) [pid 5122] close(23) = -1 EBADF (Bad file descriptor) [pid 5122] close(24) = -1 EBADF (Bad file descriptor) [pid 5122] close(25) = -1 EBADF (Bad file descriptor) [pid 5122] close(26) = -1 EBADF (Bad file descriptor) [pid 5122] close(27) = -1 EBADF (Bad file descriptor) [pid 5122] close(28) = -1 EBADF (Bad file descriptor) [pid 5122] close(29) = -1 EBADF (Bad file descriptor) [pid 5122] exit_group(0) = ? [pid 5122] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=59, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./57/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./57/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./57/cgroup.cpu") = 0 [pid 5062] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./57/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./57/binderfs") = 0 [pid 5062] umount2("./57/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./57/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./57/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./57/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./57/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./57/file0") = 0 [pid 5062] umount2("./57/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./57/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./57/cgroup") = 0 [pid 5062] umount2("./57/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./57/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./57/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./57") = 0 [pid 5062] mkdir("./58", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5126 attached [pid 5126] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 60 [pid 5126] <... set_robust_list resumed>) = 0 [pid 5126] chdir("./58") = 0 [pid 5126] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5126] setpgid(0, 0) = 0 [pid 5126] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5126] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5126] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5126] write(3, "1000", 4) = 4 [pid 5126] close(3) = 0 [pid 5126] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5126] memfd_create("syzkaller", 0) = 3 [pid 5126] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5126] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5126] munmap(0x7f9497c79000, 138412032) = 0 [pid 5126] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5126] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5126] close(3) = 0 [pid 5126] mkdir("./file0", 0777) = 0 [ 116.875971][ T5126] loop0: detected capacity change from 0 to 4096 [ 116.901978][ T5126] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5126] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5126] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5126] chdir("./file0") = 0 [pid 5126] ioctl(4, LOOP_CLR_FD) = 0 [pid 5126] close(4) = 0 [pid 5126] creat("./file2", 000) = 4 [ 116.939988][ T5126] ntfs: volume version 3.1. [pid 5126] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5126] creat("./file2", 000) = 5 [pid 5126] close(3) = 0 [pid 5126] close(4) = 0 [pid 5126] close(5) = 0 [pid 5126] close(6) = -1 EBADF (Bad file descriptor) [pid 5126] close(7) = -1 EBADF (Bad file descriptor) [pid 5126] close(8) = -1 EBADF (Bad file descriptor) [pid 5126] close(9) = -1 EBADF (Bad file descriptor) [pid 5126] close(10) = -1 EBADF (Bad file descriptor) [pid 5126] close(11) = -1 EBADF (Bad file descriptor) [pid 5126] close(12) = -1 EBADF (Bad file descriptor) [pid 5126] close(13) = -1 EBADF (Bad file descriptor) [pid 5126] close(14) = -1 EBADF (Bad file descriptor) [pid 5126] close(15) = -1 EBADF (Bad file descriptor) [pid 5126] close(16) = -1 EBADF (Bad file descriptor) [pid 5126] close(17) = -1 EBADF (Bad file descriptor) [pid 5126] close(18) = -1 EBADF (Bad file descriptor) [pid 5126] close(19) = -1 EBADF (Bad file descriptor) [pid 5126] close(20) = -1 EBADF (Bad file descriptor) [pid 5126] close(21) = -1 EBADF (Bad file descriptor) [pid 5126] close(22) = -1 EBADF (Bad file descriptor) [pid 5126] close(23) = -1 EBADF (Bad file descriptor) [pid 5126] close(24) = -1 EBADF (Bad file descriptor) [pid 5126] close(25) = -1 EBADF (Bad file descriptor) [pid 5126] close(26) = -1 EBADF (Bad file descriptor) [pid 5126] close(27) = -1 EBADF (Bad file descriptor) [pid 5126] close(28) = -1 EBADF (Bad file descriptor) [pid 5126] close(29) = -1 EBADF (Bad file descriptor) [pid 5126] exit_group(0) = ? [pid 5126] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=60, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5062] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./58/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./58/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./58/cgroup.cpu") = 0 [pid 5062] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./58/binderfs") = 0 [pid 5062] umount2("./58/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./58/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./58/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./58/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./58/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./58/file0") = 0 [pid 5062] umount2("./58/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./58/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./58/cgroup") = 0 [pid 5062] umount2("./58/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./58/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./58/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./58") = 0 [pid 5062] mkdir("./59", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5129 attached , child_tidptr=0x555556e8b650) = 61 [pid 5129] set_robust_list(0x555556e8b660, 24) = 0 [pid 5129] chdir("./59") = 0 [pid 5129] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5129] setpgid(0, 0) = 0 [pid 5129] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5129] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5129] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5129] write(3, "1000", 4) = 4 [pid 5129] close(3) = 0 [pid 5129] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5129] memfd_create("syzkaller", 0) = 3 [pid 5129] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5129] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5129] munmap(0x7f9497c79000, 138412032) = 0 [pid 5129] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5129] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5129] close(3) = 0 [pid 5129] mkdir("./file0", 0777) = 0 [ 117.501836][ T5129] loop0: detected capacity change from 0 to 4096 [ 117.527115][ T5129] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5129] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5129] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5129] chdir("./file0") = 0 [pid 5129] ioctl(4, LOOP_CLR_FD) = 0 [pid 5129] close(4) = 0 [pid 5129] creat("./file2", 000) = 4 [ 117.563125][ T5129] ntfs: volume version 3.1. [pid 5129] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5129] creat("./file2", 000) = 5 [pid 5129] close(3) = 0 [pid 5129] close(4) = 0 [pid 5129] close(5) = 0 [pid 5129] close(6) = -1 EBADF (Bad file descriptor) [pid 5129] close(7) = -1 EBADF (Bad file descriptor) [pid 5129] close(8) = -1 EBADF (Bad file descriptor) [pid 5129] close(9) = -1 EBADF (Bad file descriptor) [pid 5129] close(10) = -1 EBADF (Bad file descriptor) [pid 5129] close(11) = -1 EBADF (Bad file descriptor) [pid 5129] close(12) = -1 EBADF (Bad file descriptor) [pid 5129] close(13) = -1 EBADF (Bad file descriptor) [pid 5129] close(14) = -1 EBADF (Bad file descriptor) [pid 5129] close(15) = -1 EBADF (Bad file descriptor) [pid 5129] close(16) = -1 EBADF (Bad file descriptor) [pid 5129] close(17) = -1 EBADF (Bad file descriptor) [pid 5129] close(18) = -1 EBADF (Bad file descriptor) [pid 5129] close(19) = -1 EBADF (Bad file descriptor) [pid 5129] close(20) = -1 EBADF (Bad file descriptor) [pid 5129] close(21) = -1 EBADF (Bad file descriptor) [pid 5129] close(22) = -1 EBADF (Bad file descriptor) [pid 5129] close(23) = -1 EBADF (Bad file descriptor) [pid 5129] close(24) = -1 EBADF (Bad file descriptor) [pid 5129] close(25) = -1 EBADF (Bad file descriptor) [pid 5129] close(26) = -1 EBADF (Bad file descriptor) [pid 5129] close(27) = -1 EBADF (Bad file descriptor) [pid 5129] close(28) = -1 EBADF (Bad file descriptor) [pid 5129] close(29) = -1 EBADF (Bad file descriptor) [pid 5129] exit_group(0) = ? [pid 5129] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=61, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./59/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./59/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./59/cgroup.cpu") = 0 [pid 5062] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./59/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./59/binderfs") = 0 [pid 5062] umount2("./59/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./59/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./59/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./59/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./59/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./59/file0") = 0 [pid 5062] umount2("./59/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./59/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./59/cgroup") = 0 [pid 5062] umount2("./59/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./59/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./59/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./59") = 0 [pid 5062] mkdir("./60", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5130 attached [pid 5130] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 62 [pid 5130] <... set_robust_list resumed>) = 0 [pid 5130] chdir("./60") = 0 [pid 5130] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5130] setpgid(0, 0) = 0 [pid 5130] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5130] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5130] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5130] write(3, "1000", 4) = 4 [pid 5130] close(3) = 0 [pid 5130] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5130] memfd_create("syzkaller", 0) = 3 [pid 5130] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5130] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5130] munmap(0x7f9497c79000, 138412032) = 0 [pid 5130] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5130] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5130] close(3) = 0 [pid 5130] mkdir("./file0", 0777) = 0 [ 118.187263][ T5130] loop0: detected capacity change from 0 to 4096 [ 118.212698][ T5130] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5130] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5130] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5130] chdir("./file0") = 0 [pid 5130] ioctl(4, LOOP_CLR_FD) = 0 [pid 5130] close(4) = 0 [ 118.247329][ T5130] ntfs: volume version 3.1. [pid 5130] creat("./file2", 000) = 4 [pid 5130] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5130] creat("./file2", 000) = 5 [pid 5130] close(3) = 0 [pid 5130] close(4) = 0 [pid 5130] close(5) = 0 [pid 5130] close(6) = -1 EBADF (Bad file descriptor) [pid 5130] close(7) = -1 EBADF (Bad file descriptor) [pid 5130] close(8) = -1 EBADF (Bad file descriptor) [pid 5130] close(9) = -1 EBADF (Bad file descriptor) [pid 5130] close(10) = -1 EBADF (Bad file descriptor) [pid 5130] close(11) = -1 EBADF (Bad file descriptor) [pid 5130] close(12) = -1 EBADF (Bad file descriptor) [pid 5130] close(13) = -1 EBADF (Bad file descriptor) [pid 5130] close(14) = -1 EBADF (Bad file descriptor) [pid 5130] close(15) = -1 EBADF (Bad file descriptor) [pid 5130] close(16) = -1 EBADF (Bad file descriptor) [pid 5130] close(17) = -1 EBADF (Bad file descriptor) [pid 5130] close(18) = -1 EBADF (Bad file descriptor) [pid 5130] close(19) = -1 EBADF (Bad file descriptor) [pid 5130] close(20) = -1 EBADF (Bad file descriptor) [pid 5130] close(21) = -1 EBADF (Bad file descriptor) [pid 5130] close(22) = -1 EBADF (Bad file descriptor) [pid 5130] close(23) = -1 EBADF (Bad file descriptor) [pid 5130] close(24) = -1 EBADF (Bad file descriptor) [pid 5130] close(25) = -1 EBADF (Bad file descriptor) [pid 5130] close(26) = -1 EBADF (Bad file descriptor) [pid 5130] close(27) = -1 EBADF (Bad file descriptor) [pid 5130] close(28) = -1 EBADF (Bad file descriptor) [pid 5130] close(29) = -1 EBADF (Bad file descriptor) [pid 5130] exit_group(0) = ? [pid 5130] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./60/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./60/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./60/cgroup.cpu") = 0 [pid 5062] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./60/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./60/binderfs") = 0 [pid 5062] umount2("./60/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./60/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./60/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./60/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./60/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./60/file0") = 0 [pid 5062] umount2("./60/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./60/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./60/cgroup") = 0 [pid 5062] umount2("./60/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./60/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./60/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./60") = 0 [pid 5062] mkdir("./61", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5132 attached , child_tidptr=0x555556e8b650) = 63 [pid 5132] set_robust_list(0x555556e8b660, 24) = 0 [pid 5132] chdir("./61") = 0 [pid 5132] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5132] setpgid(0, 0) = 0 [pid 5132] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5132] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5132] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5132] write(3, "1000", 4) = 4 [pid 5132] close(3) = 0 [pid 5132] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5132] memfd_create("syzkaller", 0) = 3 [pid 5132] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5132] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5132] munmap(0x7f9497c79000, 138412032) = 0 [pid 5132] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5132] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5132] close(3) = 0 [pid 5132] mkdir("./file0", 0777) = 0 [ 118.882141][ T5132] loop0: detected capacity change from 0 to 4096 [ 118.900596][ T5132] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5132] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5132] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5132] chdir("./file0") = 0 [ 118.935744][ T5132] ntfs: volume version 3.1. [pid 5132] ioctl(4, LOOP_CLR_FD) = 0 [pid 5132] close(4) = 0 [pid 5132] creat("./file2", 000) = 4 [pid 5132] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5132] creat("./file2", 000) = 5 [pid 5132] close(3) = 0 [pid 5132] close(4) = 0 [pid 5132] close(5) = 0 [pid 5132] close(6) = -1 EBADF (Bad file descriptor) [pid 5132] close(7) = -1 EBADF (Bad file descriptor) [pid 5132] close(8) = -1 EBADF (Bad file descriptor) [pid 5132] close(9) = -1 EBADF (Bad file descriptor) [pid 5132] close(10) = -1 EBADF (Bad file descriptor) [pid 5132] close(11) = -1 EBADF (Bad file descriptor) [pid 5132] close(12) = -1 EBADF (Bad file descriptor) [pid 5132] close(13) = -1 EBADF (Bad file descriptor) [pid 5132] close(14) = -1 EBADF (Bad file descriptor) [pid 5132] close(15) = -1 EBADF (Bad file descriptor) [pid 5132] close(16) = -1 EBADF (Bad file descriptor) [pid 5132] close(17) = -1 EBADF (Bad file descriptor) [pid 5132] close(18) = -1 EBADF (Bad file descriptor) [pid 5132] close(19) = -1 EBADF (Bad file descriptor) [pid 5132] close(20) = -1 EBADF (Bad file descriptor) [pid 5132] close(21) = -1 EBADF (Bad file descriptor) [pid 5132] close(22) = -1 EBADF (Bad file descriptor) [pid 5132] close(23) = -1 EBADF (Bad file descriptor) [pid 5132] close(24) = -1 EBADF (Bad file descriptor) [pid 5132] close(25) = -1 EBADF (Bad file descriptor) [pid 5132] close(26) = -1 EBADF (Bad file descriptor) [pid 5132] close(27) = -1 EBADF (Bad file descriptor) [pid 5132] close(28) = -1 EBADF (Bad file descriptor) [pid 5132] close(29) = -1 EBADF (Bad file descriptor) [pid 5132] exit_group(0) = ? [pid 5132] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=63, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5062] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./61/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./61/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./61/cgroup.cpu") = 0 [pid 5062] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./61/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./61/binderfs") = 0 [pid 5062] umount2("./61/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./61/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./61/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./61/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./61/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./61/file0") = 0 [pid 5062] umount2("./61/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./61/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./61/cgroup") = 0 [pid 5062] umount2("./61/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./61/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./61/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./61") = 0 [pid 5062] mkdir("./62", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5133 attached [pid 5133] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 64 [pid 5133] <... set_robust_list resumed>) = 0 [pid 5133] chdir("./62") = 0 [pid 5133] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5133] setpgid(0, 0) = 0 [pid 5133] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5133] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5133] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5133] write(3, "1000", 4) = 4 [pid 5133] close(3) = 0 [pid 5133] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5133] memfd_create("syzkaller", 0) = 3 [pid 5133] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5133] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5133] munmap(0x7f9497c79000, 138412032) = 0 [pid 5133] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5133] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5133] close(3) = 0 [pid 5133] mkdir("./file0", 0777) = 0 [ 119.507015][ T5133] loop0: detected capacity change from 0 to 4096 [pid 5133] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5133] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5133] chdir("./file0") = 0 [pid 5133] ioctl(4, LOOP_CLR_FD) = 0 [ 119.541538][ T5133] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [ 119.575448][ T5133] ntfs: volume version 3.1. [pid 5133] close(4) = 0 [pid 5133] creat("./file2", 000) = 4 [pid 5133] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5133] creat("./file2", 000) = 5 [pid 5133] close(3) = 0 [pid 5133] close(4) = 0 [pid 5133] close(5) = 0 [pid 5133] close(6) = -1 EBADF (Bad file descriptor) [pid 5133] close(7) = -1 EBADF (Bad file descriptor) [pid 5133] close(8) = -1 EBADF (Bad file descriptor) [pid 5133] close(9) = -1 EBADF (Bad file descriptor) [pid 5133] close(10) = -1 EBADF (Bad file descriptor) [pid 5133] close(11) = -1 EBADF (Bad file descriptor) [pid 5133] close(12) = -1 EBADF (Bad file descriptor) [pid 5133] close(13) = -1 EBADF (Bad file descriptor) [pid 5133] close(14) = -1 EBADF (Bad file descriptor) [pid 5133] close(15) = -1 EBADF (Bad file descriptor) [pid 5133] close(16) = -1 EBADF (Bad file descriptor) [pid 5133] close(17) = -1 EBADF (Bad file descriptor) [pid 5133] close(18) = -1 EBADF (Bad file descriptor) [pid 5133] close(19) = -1 EBADF (Bad file descriptor) [pid 5133] close(20) = -1 EBADF (Bad file descriptor) [pid 5133] close(21) = -1 EBADF (Bad file descriptor) [pid 5133] close(22) = -1 EBADF (Bad file descriptor) [pid 5133] close(23) = -1 EBADF (Bad file descriptor) [pid 5133] close(24) = -1 EBADF (Bad file descriptor) [pid 5133] close(25) = -1 EBADF (Bad file descriptor) [pid 5133] close(26) = -1 EBADF (Bad file descriptor) [pid 5133] close(27) = -1 EBADF (Bad file descriptor) [pid 5133] close(28) = -1 EBADF (Bad file descriptor) [pid 5133] close(29) = -1 EBADF (Bad file descriptor) [pid 5133] exit_group(0) = ? [pid 5133] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=64, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./62/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./62/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./62/cgroup.cpu") = 0 [pid 5062] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./62/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./62/binderfs") = 0 [pid 5062] umount2("./62/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./62/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./62/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./62/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./62/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./62/file0") = 0 [pid 5062] umount2("./62/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./62/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./62/cgroup") = 0 [pid 5062] umount2("./62/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./62/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./62/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./62") = 0 [pid 5062] mkdir("./63", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5134 attached [pid 5134] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 65 [pid 5134] <... set_robust_list resumed>) = 0 [pid 5134] chdir("./63") = 0 [pid 5134] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5134] setpgid(0, 0) = 0 [pid 5134] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5134] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5134] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5134] write(3, "1000", 4) = 4 [pid 5134] close(3) = 0 [pid 5134] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5134] memfd_create("syzkaller", 0) = 3 [pid 5134] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5134] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5134] munmap(0x7f9497c79000, 138412032) = 0 [pid 5134] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5134] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5134] close(3) = 0 [pid 5134] mkdir("./file0", 0777) = 0 [ 120.169789][ T5134] loop0: detected capacity change from 0 to 4096 [ 120.188419][ T5134] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5134] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5134] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5134] chdir("./file0") = 0 [pid 5134] ioctl(4, LOOP_CLR_FD) = 0 [pid 5134] close(4) = 0 [ 120.221593][ T5134] ntfs: volume version 3.1. [pid 5134] creat("./file2", 000) = 4 [pid 5134] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5134] creat("./file2", 000) = 5 [pid 5134] close(3) = 0 [pid 5134] close(4) = 0 [pid 5134] close(5) = 0 [pid 5134] close(6) = -1 EBADF (Bad file descriptor) [pid 5134] close(7) = -1 EBADF (Bad file descriptor) [pid 5134] close(8) = -1 EBADF (Bad file descriptor) [pid 5134] close(9) = -1 EBADF (Bad file descriptor) [pid 5134] close(10) = -1 EBADF (Bad file descriptor) [pid 5134] close(11) = -1 EBADF (Bad file descriptor) [pid 5134] close(12) = -1 EBADF (Bad file descriptor) [pid 5134] close(13) = -1 EBADF (Bad file descriptor) [pid 5134] close(14) = -1 EBADF (Bad file descriptor) [pid 5134] close(15) = -1 EBADF (Bad file descriptor) [pid 5134] close(16) = -1 EBADF (Bad file descriptor) [pid 5134] close(17) = -1 EBADF (Bad file descriptor) [pid 5134] close(18) = -1 EBADF (Bad file descriptor) [pid 5134] close(19) = -1 EBADF (Bad file descriptor) [pid 5134] close(20) = -1 EBADF (Bad file descriptor) [pid 5134] close(21) = -1 EBADF (Bad file descriptor) [pid 5134] close(22) = -1 EBADF (Bad file descriptor) [pid 5134] close(23) = -1 EBADF (Bad file descriptor) [pid 5134] close(24) = -1 EBADF (Bad file descriptor) [pid 5134] close(25) = -1 EBADF (Bad file descriptor) [pid 5134] close(26) = -1 EBADF (Bad file descriptor) [pid 5134] close(27) = -1 EBADF (Bad file descriptor) [pid 5134] close(28) = -1 EBADF (Bad file descriptor) [pid 5134] close(29) = -1 EBADF (Bad file descriptor) [pid 5134] exit_group(0) = ? [pid 5134] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=65, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./63/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./63/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./63/cgroup.cpu") = 0 [pid 5062] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./63/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./63/binderfs") = 0 [pid 5062] umount2("./63/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./63/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./63/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./63/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./63/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./63/file0") = 0 [pid 5062] umount2("./63/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./63/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./63/cgroup") = 0 [pid 5062] umount2("./63/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./63/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./63/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./63") = 0 [pid 5062] mkdir("./64", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5135 attached [pid 5135] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 66 [pid 5135] <... set_robust_list resumed>) = 0 [pid 5135] chdir("./64") = 0 [pid 5135] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5135] setpgid(0, 0) = 0 [pid 5135] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5135] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5135] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5135] write(3, "1000", 4) = 4 [pid 5135] close(3) = 0 [pid 5135] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5135] memfd_create("syzkaller", 0) = 3 [pid 5135] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5135] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5135] munmap(0x7f9497c79000, 138412032) = 0 [pid 5135] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5135] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5135] close(3) = 0 [pid 5135] mkdir("./file0", 0777) = 0 [ 120.790052][ T5135] loop0: detected capacity change from 0 to 4096 [ 120.805503][ T5135] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5135] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5135] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5135] chdir("./file0") = 0 [pid 5135] ioctl(4, LOOP_CLR_FD) = 0 [pid 5135] close(4) = 0 [pid 5135] creat("./file2", 000) = 4 [ 120.839961][ T5135] ntfs: volume version 3.1. [pid 5135] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5135] creat("./file2", 000) = 5 [pid 5135] close(3) = 0 [pid 5135] close(4) = 0 [pid 5135] close(5) = 0 [pid 5135] close(6) = -1 EBADF (Bad file descriptor) [pid 5135] close(7) = -1 EBADF (Bad file descriptor) [pid 5135] close(8) = -1 EBADF (Bad file descriptor) [pid 5135] close(9) = -1 EBADF (Bad file descriptor) [pid 5135] close(10) = -1 EBADF (Bad file descriptor) [pid 5135] close(11) = -1 EBADF (Bad file descriptor) [pid 5135] close(12) = -1 EBADF (Bad file descriptor) [pid 5135] close(13) = -1 EBADF (Bad file descriptor) [pid 5135] close(14) = -1 EBADF (Bad file descriptor) [pid 5135] close(15) = -1 EBADF (Bad file descriptor) [pid 5135] close(16) = -1 EBADF (Bad file descriptor) [pid 5135] close(17) = -1 EBADF (Bad file descriptor) [pid 5135] close(18) = -1 EBADF (Bad file descriptor) [pid 5135] close(19) = -1 EBADF (Bad file descriptor) [pid 5135] close(20) = -1 EBADF (Bad file descriptor) [pid 5135] close(21) = -1 EBADF (Bad file descriptor) [pid 5135] close(22) = -1 EBADF (Bad file descriptor) [pid 5135] close(23) = -1 EBADF (Bad file descriptor) [pid 5135] close(24) = -1 EBADF (Bad file descriptor) [pid 5135] close(25) = -1 EBADF (Bad file descriptor) [pid 5135] close(26) = -1 EBADF (Bad file descriptor) [pid 5135] close(27) = -1 EBADF (Bad file descriptor) [pid 5135] close(28) = -1 EBADF (Bad file descriptor) [pid 5135] close(29) = -1 EBADF (Bad file descriptor) [pid 5135] exit_group(0) = ? [pid 5135] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=66, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./64/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./64/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./64/cgroup.cpu") = 0 [pid 5062] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./64/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./64/binderfs") = 0 [pid 5062] umount2("./64/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./64/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./64/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./64/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./64/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./64/file0") = 0 [pid 5062] umount2("./64/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./64/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./64/cgroup") = 0 [pid 5062] umount2("./64/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./64/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./64/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./64") = 0 [pid 5062] mkdir("./65", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5136 attached [pid 5136] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 67 [pid 5136] <... set_robust_list resumed>) = 0 [pid 5136] chdir("./65") = 0 [pid 5136] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5136] setpgid(0, 0) = 0 [pid 5136] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5136] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5136] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5136] write(3, "1000", 4) = 4 [pid 5136] close(3) = 0 [pid 5136] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5136] memfd_create("syzkaller", 0) = 3 [pid 5136] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5136] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5136] munmap(0x7f9497c79000, 138412032) = 0 [pid 5136] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5136] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5136] close(3) = 0 [pid 5136] mkdir("./file0", 0777) = 0 [ 121.481914][ T5136] loop0: detected capacity change from 0 to 4096 [ 121.501732][ T5136] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5136] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5136] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5136] chdir("./file0") = 0 [pid 5136] ioctl(4, LOOP_CLR_FD) = 0 [pid 5136] close(4) = 0 [ 121.533333][ T5136] ntfs: volume version 3.1. [pid 5136] creat("./file2", 000) = 4 [pid 5136] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5136] creat("./file2", 000) = 5 [pid 5136] close(3) = 0 [pid 5136] close(4) = 0 [pid 5136] close(5) = 0 [pid 5136] close(6) = -1 EBADF (Bad file descriptor) [pid 5136] close(7) = -1 EBADF (Bad file descriptor) [pid 5136] close(8) = -1 EBADF (Bad file descriptor) [pid 5136] close(9) = -1 EBADF (Bad file descriptor) [pid 5136] close(10) = -1 EBADF (Bad file descriptor) [pid 5136] close(11) = -1 EBADF (Bad file descriptor) [pid 5136] close(12) = -1 EBADF (Bad file descriptor) [pid 5136] close(13) = -1 EBADF (Bad file descriptor) [pid 5136] close(14) = -1 EBADF (Bad file descriptor) [pid 5136] close(15) = -1 EBADF (Bad file descriptor) [pid 5136] close(16) = -1 EBADF (Bad file descriptor) [pid 5136] close(17) = -1 EBADF (Bad file descriptor) [pid 5136] close(18) = -1 EBADF (Bad file descriptor) [pid 5136] close(19) = -1 EBADF (Bad file descriptor) [pid 5136] close(20) = -1 EBADF (Bad file descriptor) [pid 5136] close(21) = -1 EBADF (Bad file descriptor) [pid 5136] close(22) = -1 EBADF (Bad file descriptor) [pid 5136] close(23) = -1 EBADF (Bad file descriptor) [pid 5136] close(24) = -1 EBADF (Bad file descriptor) [pid 5136] close(25) = -1 EBADF (Bad file descriptor) [pid 5136] close(26) = -1 EBADF (Bad file descriptor) [pid 5136] close(27) = -1 EBADF (Bad file descriptor) [pid 5136] close(28) = -1 EBADF (Bad file descriptor) [pid 5136] close(29) = -1 EBADF (Bad file descriptor) [pid 5136] exit_group(0) = ? [pid 5136] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=67, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] umount2("./65", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./65/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./65/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./65/cgroup.cpu") = 0 [pid 5062] umount2("./65/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./65/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./65/binderfs") = 0 [pid 5062] umount2("./65/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./65/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./65/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./65/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./65/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./65/file0") = 0 [pid 5062] umount2("./65/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./65/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./65/cgroup") = 0 [pid 5062] umount2("./65/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./65/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./65/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./65") = 0 [pid 5062] mkdir("./66", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5137 attached [pid 5137] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 68 [pid 5137] <... set_robust_list resumed>) = 0 [pid 5137] chdir("./66") = 0 [pid 5137] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5137] setpgid(0, 0) = 0 [pid 5137] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5137] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5137] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5137] write(3, "1000", 4) = 4 [pid 5137] close(3) = 0 [pid 5137] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5137] memfd_create("syzkaller", 0) = 3 [pid 5137] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5137] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5137] munmap(0x7f9497c79000, 138412032) = 0 [pid 5137] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5137] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5137] close(3) = 0 [pid 5137] mkdir("./file0", 0777) = 0 [ 122.122133][ T5137] loop0: detected capacity change from 0 to 4096 [ 122.140250][ T5137] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5137] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5137] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5137] chdir("./file0") = 0 [pid 5137] ioctl(4, LOOP_CLR_FD) = 0 [pid 5137] close(4) = 0 [ 122.174502][ T5137] ntfs: volume version 3.1. [pid 5137] creat("./file2", 000) = 4 [pid 5137] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5137] creat("./file2", 000) = 5 [pid 5137] close(3) = 0 [pid 5137] close(4) = 0 [pid 5137] close(5) = 0 [pid 5137] close(6) = -1 EBADF (Bad file descriptor) [pid 5137] close(7) = -1 EBADF (Bad file descriptor) [pid 5137] close(8) = -1 EBADF (Bad file descriptor) [pid 5137] close(9) = -1 EBADF (Bad file descriptor) [pid 5137] close(10) = -1 EBADF (Bad file descriptor) [pid 5137] close(11) = -1 EBADF (Bad file descriptor) [pid 5137] close(12) = -1 EBADF (Bad file descriptor) [pid 5137] close(13) = -1 EBADF (Bad file descriptor) [pid 5137] close(14) = -1 EBADF (Bad file descriptor) [pid 5137] close(15) = -1 EBADF (Bad file descriptor) [pid 5137] close(16) = -1 EBADF (Bad file descriptor) [pid 5137] close(17) = -1 EBADF (Bad file descriptor) [pid 5137] close(18) = -1 EBADF (Bad file descriptor) [pid 5137] close(19) = -1 EBADF (Bad file descriptor) [pid 5137] close(20) = -1 EBADF (Bad file descriptor) [pid 5137] close(21) = -1 EBADF (Bad file descriptor) [pid 5137] close(22) = -1 EBADF (Bad file descriptor) [pid 5137] close(23) = -1 EBADF (Bad file descriptor) [pid 5137] close(24) = -1 EBADF (Bad file descriptor) [pid 5137] close(25) = -1 EBADF (Bad file descriptor) [pid 5137] close(26) = -1 EBADF (Bad file descriptor) [pid 5137] close(27) = -1 EBADF (Bad file descriptor) [pid 5137] close(28) = -1 EBADF (Bad file descriptor) [pid 5137] close(29) = -1 EBADF (Bad file descriptor) [pid 5137] exit_group(0) = ? [pid 5137] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=68, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./66", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./66/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./66/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./66/cgroup.cpu") = 0 [pid 5062] umount2("./66/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./66/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./66/binderfs") = 0 [pid 5062] umount2("./66/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./66/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./66/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./66/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./66/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./66/file0") = 0 [pid 5062] umount2("./66/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./66/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./66/cgroup") = 0 [pid 5062] umount2("./66/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./66/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./66/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./66") = 0 [pid 5062] mkdir("./67", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5138 attached [pid 5138] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 69 [pid 5138] <... set_robust_list resumed>) = 0 [pid 5138] chdir("./67") = 0 [pid 5138] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5138] setpgid(0, 0) = 0 [pid 5138] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5138] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5138] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5138] write(3, "1000", 4) = 4 [pid 5138] close(3) = 0 [pid 5138] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5138] memfd_create("syzkaller", 0) = 3 [pid 5138] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5138] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5138] munmap(0x7f9497c79000, 138412032) = 0 [pid 5138] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5138] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5138] close(3) = 0 [pid 5138] mkdir("./file0", 0777) = 0 [ 122.788511][ T5138] loop0: detected capacity change from 0 to 4096 [ 122.809384][ T5138] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5138] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5138] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5138] chdir("./file0") = 0 [pid 5138] ioctl(4, LOOP_CLR_FD) = 0 [ 122.841047][ T5138] ntfs: volume version 3.1. [pid 5138] close(4) = 0 [pid 5138] creat("./file2", 000) = 4 [pid 5138] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5138] creat("./file2", 000) = 5 [pid 5138] close(3) = 0 [pid 5138] close(4) = 0 [pid 5138] close(5) = 0 [pid 5138] close(6) = -1 EBADF (Bad file descriptor) [pid 5138] close(7) = -1 EBADF (Bad file descriptor) [pid 5138] close(8) = -1 EBADF (Bad file descriptor) [pid 5138] close(9) = -1 EBADF (Bad file descriptor) [pid 5138] close(10) = -1 EBADF (Bad file descriptor) [pid 5138] close(11) = -1 EBADF (Bad file descriptor) [pid 5138] close(12) = -1 EBADF (Bad file descriptor) [pid 5138] close(13) = -1 EBADF (Bad file descriptor) [pid 5138] close(14) = -1 EBADF (Bad file descriptor) [pid 5138] close(15) = -1 EBADF (Bad file descriptor) [pid 5138] close(16) = -1 EBADF (Bad file descriptor) [pid 5138] close(17) = -1 EBADF (Bad file descriptor) [pid 5138] close(18) = -1 EBADF (Bad file descriptor) [pid 5138] close(19) = -1 EBADF (Bad file descriptor) [pid 5138] close(20) = -1 EBADF (Bad file descriptor) [pid 5138] close(21) = -1 EBADF (Bad file descriptor) [pid 5138] close(22) = -1 EBADF (Bad file descriptor) [pid 5138] close(23) = -1 EBADF (Bad file descriptor) [pid 5138] close(24) = -1 EBADF (Bad file descriptor) [pid 5138] close(25) = -1 EBADF (Bad file descriptor) [pid 5138] close(26) = -1 EBADF (Bad file descriptor) [pid 5138] close(27) = -1 EBADF (Bad file descriptor) [pid 5138] close(28) = -1 EBADF (Bad file descriptor) [pid 5138] close(29) = -1 EBADF (Bad file descriptor) [pid 5138] exit_group(0) = ? [pid 5138] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=69, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./67", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./67/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./67/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./67/cgroup.cpu") = 0 [pid 5062] umount2("./67/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./67/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./67/binderfs") = 0 [pid 5062] umount2("./67/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./67/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./67/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./67/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./67/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./67/file0") = 0 [pid 5062] umount2("./67/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./67/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./67/cgroup") = 0 [pid 5062] umount2("./67/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./67/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./67/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./67") = 0 [pid 5062] mkdir("./68", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5139 attached [pid 5139] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 70 [pid 5139] <... set_robust_list resumed>) = 0 [pid 5139] chdir("./68") = 0 [pid 5139] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5139] setpgid(0, 0) = 0 [pid 5139] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5139] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5139] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5139] write(3, "1000", 4) = 4 [pid 5139] close(3) = 0 [pid 5139] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5139] memfd_create("syzkaller", 0) = 3 [pid 5139] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5139] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5139] munmap(0x7f9497c79000, 138412032) = 0 [pid 5139] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5139] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5139] close(3) = 0 [pid 5139] mkdir("./file0", 0777) = 0 [ 123.385069][ T5139] loop0: detected capacity change from 0 to 4096 [ 123.413678][ T5139] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5139] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5139] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5139] chdir("./file0") = 0 [pid 5139] ioctl(4, LOOP_CLR_FD) = 0 [ 123.446297][ T5139] ntfs: volume version 3.1. [pid 5139] close(4) = 0 [pid 5139] creat("./file2", 000) = 4 [pid 5139] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5139] creat("./file2", 000) = 5 [pid 5139] close(3) = 0 [pid 5139] close(4) = 0 [pid 5139] close(5) = 0 [pid 5139] close(6) = -1 EBADF (Bad file descriptor) [pid 5139] close(7) = -1 EBADF (Bad file descriptor) [pid 5139] close(8) = -1 EBADF (Bad file descriptor) [pid 5139] close(9) = -1 EBADF (Bad file descriptor) [pid 5139] close(10) = -1 EBADF (Bad file descriptor) [pid 5139] close(11) = -1 EBADF (Bad file descriptor) [pid 5139] close(12) = -1 EBADF (Bad file descriptor) [pid 5139] close(13) = -1 EBADF (Bad file descriptor) [pid 5139] close(14) = -1 EBADF (Bad file descriptor) [pid 5139] close(15) = -1 EBADF (Bad file descriptor) [pid 5139] close(16) = -1 EBADF (Bad file descriptor) [pid 5139] close(17) = -1 EBADF (Bad file descriptor) [pid 5139] close(18) = -1 EBADF (Bad file descriptor) [pid 5139] close(19) = -1 EBADF (Bad file descriptor) [pid 5139] close(20) = -1 EBADF (Bad file descriptor) [pid 5139] close(21) = -1 EBADF (Bad file descriptor) [pid 5139] close(22) = -1 EBADF (Bad file descriptor) [pid 5139] close(23) = -1 EBADF (Bad file descriptor) [pid 5139] close(24) = -1 EBADF (Bad file descriptor) [pid 5139] close(25) = -1 EBADF (Bad file descriptor) [pid 5139] close(26) = -1 EBADF (Bad file descriptor) [pid 5139] close(27) = -1 EBADF (Bad file descriptor) [pid 5139] close(28) = -1 EBADF (Bad file descriptor) [pid 5139] close(29) = -1 EBADF (Bad file descriptor) [pid 5139] exit_group(0) = ? [pid 5139] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=70, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] umount2("./68", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./68/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./68/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./68/cgroup.cpu") = 0 [pid 5062] umount2("./68/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./68/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./68/binderfs") = 0 [pid 5062] umount2("./68/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./68/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./68/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./68/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./68/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./68/file0") = 0 [pid 5062] umount2("./68/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./68/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./68/cgroup") = 0 [pid 5062] umount2("./68/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./68/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./68/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./68") = 0 [pid 5062] mkdir("./69", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5140 attached , child_tidptr=0x555556e8b650) = 71 [pid 5140] set_robust_list(0x555556e8b660, 24) = 0 [pid 5140] chdir("./69") = 0 [pid 5140] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5140] setpgid(0, 0) = 0 [pid 5140] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5140] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5140] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5140] write(3, "1000", 4) = 4 [pid 5140] close(3) = 0 [pid 5140] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5140] memfd_create("syzkaller", 0) = 3 [pid 5140] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5140] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5140] munmap(0x7f9497c79000, 138412032) = 0 [pid 5140] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5140] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5140] close(3) = 0 [pid 5140] mkdir("./file0", 0777) = 0 [ 124.087024][ T5140] loop0: detected capacity change from 0 to 4096 [ 124.107432][ T5140] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5140] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5140] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 124.143729][ T5140] ntfs: volume version 3.1. [pid 5140] chdir("./file0") = 0 [pid 5140] ioctl(4, LOOP_CLR_FD) = 0 [pid 5140] close(4) = 0 [pid 5140] creat("./file2", 000) = 4 [pid 5140] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5140] creat("./file2", 000) = 5 [pid 5140] close(3) = 0 [pid 5140] close(4) = 0 [pid 5140] close(5) = 0 [pid 5140] close(6) = -1 EBADF (Bad file descriptor) [pid 5140] close(7) = -1 EBADF (Bad file descriptor) [pid 5140] close(8) = -1 EBADF (Bad file descriptor) [pid 5140] close(9) = -1 EBADF (Bad file descriptor) [pid 5140] close(10) = -1 EBADF (Bad file descriptor) [pid 5140] close(11) = -1 EBADF (Bad file descriptor) [pid 5140] close(12) = -1 EBADF (Bad file descriptor) [pid 5140] close(13) = -1 EBADF (Bad file descriptor) [pid 5140] close(14) = -1 EBADF (Bad file descriptor) [pid 5140] close(15) = -1 EBADF (Bad file descriptor) [pid 5140] close(16) = -1 EBADF (Bad file descriptor) [pid 5140] close(17) = -1 EBADF (Bad file descriptor) [pid 5140] close(18) = -1 EBADF (Bad file descriptor) [pid 5140] close(19) = -1 EBADF (Bad file descriptor) [pid 5140] close(20) = -1 EBADF (Bad file descriptor) [pid 5140] close(21) = -1 EBADF (Bad file descriptor) [pid 5140] close(22) = -1 EBADF (Bad file descriptor) [pid 5140] close(23) = -1 EBADF (Bad file descriptor) [pid 5140] close(24) = -1 EBADF (Bad file descriptor) [pid 5140] close(25) = -1 EBADF (Bad file descriptor) [pid 5140] close(26) = -1 EBADF (Bad file descriptor) [pid 5140] close(27) = -1 EBADF (Bad file descriptor) [pid 5140] close(28) = -1 EBADF (Bad file descriptor) [pid 5140] close(29) = -1 EBADF (Bad file descriptor) [pid 5140] exit_group(0) = ? [pid 5140] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=71, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./69", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./69/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./69/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./69/cgroup.cpu") = 0 [pid 5062] umount2("./69/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./69/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./69/binderfs") = 0 [pid 5062] umount2("./69/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./69/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./69/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./69/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./69/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./69/file0") = 0 [pid 5062] umount2("./69/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./69/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./69/cgroup") = 0 [pid 5062] umount2("./69/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./69/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./69/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./69") = 0 [pid 5062] mkdir("./70", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5141 attached [pid 5141] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 72 [pid 5141] <... set_robust_list resumed>) = 0 [pid 5141] chdir("./70") = 0 [pid 5141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5141] setpgid(0, 0) = 0 [pid 5141] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5141] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5141] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5141] write(3, "1000", 4) = 4 [pid 5141] close(3) = 0 [pid 5141] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5141] memfd_create("syzkaller", 0) = 3 [pid 5141] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5141] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5141] munmap(0x7f9497c79000, 138412032) = 0 [pid 5141] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5141] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5141] close(3) = 0 [pid 5141] mkdir("./file0", 0777) = 0 [ 124.791010][ T5141] loop0: detected capacity change from 0 to 4096 [ 124.804436][ T5141] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5141] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5141] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5141] chdir("./file0") = 0 [pid 5141] ioctl(4, LOOP_CLR_FD) = 0 [pid 5141] close(4) = 0 [ 124.839715][ T5141] ntfs: volume version 3.1. [pid 5141] creat("./file2", 000) = 4 [pid 5141] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5141] creat("./file2", 000) = 5 [pid 5141] close(3) = 0 [pid 5141] close(4) = 0 [pid 5141] close(5) = 0 [pid 5141] close(6) = -1 EBADF (Bad file descriptor) [pid 5141] close(7) = -1 EBADF (Bad file descriptor) [pid 5141] close(8) = -1 EBADF (Bad file descriptor) [pid 5141] close(9) = -1 EBADF (Bad file descriptor) [pid 5141] close(10) = -1 EBADF (Bad file descriptor) [pid 5141] close(11) = -1 EBADF (Bad file descriptor) [pid 5141] close(12) = -1 EBADF (Bad file descriptor) [pid 5141] close(13) = -1 EBADF (Bad file descriptor) [pid 5141] close(14) = -1 EBADF (Bad file descriptor) [pid 5141] close(15) = -1 EBADF (Bad file descriptor) [pid 5141] close(16) = -1 EBADF (Bad file descriptor) [pid 5141] close(17) = -1 EBADF (Bad file descriptor) [pid 5141] close(18) = -1 EBADF (Bad file descriptor) [pid 5141] close(19) = -1 EBADF (Bad file descriptor) [pid 5141] close(20) = -1 EBADF (Bad file descriptor) [pid 5141] close(21) = -1 EBADF (Bad file descriptor) [pid 5141] close(22) = -1 EBADF (Bad file descriptor) [pid 5141] close(23) = -1 EBADF (Bad file descriptor) [pid 5141] close(24) = -1 EBADF (Bad file descriptor) [pid 5141] close(25) = -1 EBADF (Bad file descriptor) [pid 5141] close(26) = -1 EBADF (Bad file descriptor) [pid 5141] close(27) = -1 EBADF (Bad file descriptor) [pid 5141] close(28) = -1 EBADF (Bad file descriptor) [pid 5141] close(29) = -1 EBADF (Bad file descriptor) [pid 5141] exit_group(0) = ? [pid 5141] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=72, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5062] umount2("./70", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./70/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./70/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./70/cgroup.cpu") = 0 [pid 5062] umount2("./70/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./70/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./70/binderfs") = 0 [pid 5062] umount2("./70/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./70/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./70/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./70/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./70/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./70/file0") = 0 [pid 5062] umount2("./70/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./70/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./70/cgroup") = 0 [pid 5062] umount2("./70/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./70/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./70/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./70") = 0 [pid 5062] mkdir("./71", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5142 attached [pid 5142] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 73 [pid 5142] <... set_robust_list resumed>) = 0 [pid 5142] chdir("./71") = 0 [pid 5142] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5142] setpgid(0, 0) = 0 [pid 5142] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5142] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5142] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5142] write(3, "1000", 4) = 4 [pid 5142] close(3) = 0 [pid 5142] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5142] memfd_create("syzkaller", 0) = 3 [pid 5142] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5142] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5142] munmap(0x7f9497c79000, 138412032) = 0 [pid 5142] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5142] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5142] close(3) = 0 [pid 5142] mkdir("./file0", 0777) = 0 [ 125.417279][ T5142] loop0: detected capacity change from 0 to 4096 [ 125.444548][ T5142] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5142] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5142] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5142] chdir("./file0") = 0 [pid 5142] ioctl(4, LOOP_CLR_FD) = 0 [pid 5142] close(4) = 0 [pid 5142] creat("./file2", 000) = 4 [ 125.479358][ T5142] ntfs: volume version 3.1. [pid 5142] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5142] creat("./file2", 000) = 5 [pid 5142] close(3) = 0 [pid 5142] close(4) = 0 [pid 5142] close(5) = 0 [pid 5142] close(6) = -1 EBADF (Bad file descriptor) [pid 5142] close(7) = -1 EBADF (Bad file descriptor) [pid 5142] close(8) = -1 EBADF (Bad file descriptor) [pid 5142] close(9) = -1 EBADF (Bad file descriptor) [pid 5142] close(10) = -1 EBADF (Bad file descriptor) [pid 5142] close(11) = -1 EBADF (Bad file descriptor) [pid 5142] close(12) = -1 EBADF (Bad file descriptor) [pid 5142] close(13) = -1 EBADF (Bad file descriptor) [pid 5142] close(14) = -1 EBADF (Bad file descriptor) [pid 5142] close(15) = -1 EBADF (Bad file descriptor) [pid 5142] close(16) = -1 EBADF (Bad file descriptor) [pid 5142] close(17) = -1 EBADF (Bad file descriptor) [pid 5142] close(18) = -1 EBADF (Bad file descriptor) [pid 5142] close(19) = -1 EBADF (Bad file descriptor) [pid 5142] close(20) = -1 EBADF (Bad file descriptor) [pid 5142] close(21) = -1 EBADF (Bad file descriptor) [pid 5142] close(22) = -1 EBADF (Bad file descriptor) [pid 5142] close(23) = -1 EBADF (Bad file descriptor) [pid 5142] close(24) = -1 EBADF (Bad file descriptor) [pid 5142] close(25) = -1 EBADF (Bad file descriptor) [pid 5142] close(26) = -1 EBADF (Bad file descriptor) [pid 5142] close(27) = -1 EBADF (Bad file descriptor) [pid 5142] close(28) = -1 EBADF (Bad file descriptor) [pid 5142] close(29) = -1 EBADF (Bad file descriptor) [pid 5142] exit_group(0) = ? [pid 5142] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=73, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] umount2("./71", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./71/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./71/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./71/cgroup.cpu") = 0 [pid 5062] umount2("./71/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./71/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./71/binderfs") = 0 [pid 5062] umount2("./71/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./71/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./71/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./71/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./71/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./71/file0") = 0 [pid 5062] umount2("./71/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./71/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./71/cgroup") = 0 [pid 5062] umount2("./71/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./71/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./71/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./71") = 0 [pid 5062] mkdir("./72", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5143 attached , child_tidptr=0x555556e8b650) = 74 [pid 5143] set_robust_list(0x555556e8b660, 24) = 0 [pid 5143] chdir("./72") = 0 [pid 5143] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5143] setpgid(0, 0) = 0 [pid 5143] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5143] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5143] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5143] write(3, "1000", 4) = 4 [pid 5143] close(3) = 0 [pid 5143] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5143] memfd_create("syzkaller", 0) = 3 [pid 5143] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5143] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5143] munmap(0x7f9497c79000, 138412032) = 0 [pid 5143] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5143] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5143] close(3) = 0 [pid 5143] mkdir("./file0", 0777) = 0 [ 125.945548][ T5143] loop0: detected capacity change from 0 to 4096 [ 125.969958][ T5143] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5143] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5143] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5143] chdir("./file0") = 0 [pid 5143] ioctl(4, LOOP_CLR_FD) = 0 [pid 5143] close(4) = 0 [pid 5143] creat("./file2", 000) = 4 [ 126.003485][ T5143] ntfs: volume version 3.1. [pid 5143] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5143] creat("./file2", 000) = 5 [pid 5143] close(3) = 0 [pid 5143] close(4) = 0 [pid 5143] close(5) = 0 [pid 5143] close(6) = -1 EBADF (Bad file descriptor) [pid 5143] close(7) = -1 EBADF (Bad file descriptor) [pid 5143] close(8) = -1 EBADF (Bad file descriptor) [pid 5143] close(9) = -1 EBADF (Bad file descriptor) [pid 5143] close(10) = -1 EBADF (Bad file descriptor) [pid 5143] close(11) = -1 EBADF (Bad file descriptor) [pid 5143] close(12) = -1 EBADF (Bad file descriptor) [pid 5143] close(13) = -1 EBADF (Bad file descriptor) [pid 5143] close(14) = -1 EBADF (Bad file descriptor) [pid 5143] close(15) = -1 EBADF (Bad file descriptor) [pid 5143] close(16) = -1 EBADF (Bad file descriptor) [pid 5143] close(17) = -1 EBADF (Bad file descriptor) [pid 5143] close(18) = -1 EBADF (Bad file descriptor) [pid 5143] close(19) = -1 EBADF (Bad file descriptor) [pid 5143] close(20) = -1 EBADF (Bad file descriptor) [pid 5143] close(21) = -1 EBADF (Bad file descriptor) [pid 5143] close(22) = -1 EBADF (Bad file descriptor) [pid 5143] close(23) = -1 EBADF (Bad file descriptor) [pid 5143] close(24) = -1 EBADF (Bad file descriptor) [pid 5143] close(25) = -1 EBADF (Bad file descriptor) [pid 5143] close(26) = -1 EBADF (Bad file descriptor) [pid 5143] close(27) = -1 EBADF (Bad file descriptor) [pid 5143] close(28) = -1 EBADF (Bad file descriptor) [pid 5143] close(29) = -1 EBADF (Bad file descriptor) [pid 5143] exit_group(0) = ? [pid 5143] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=74, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5062] umount2("./72", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./72/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./72/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./72/cgroup.cpu") = 0 [pid 5062] umount2("./72/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./72/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./72/binderfs") = 0 [pid 5062] umount2("./72/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./72/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./72/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./72/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./72/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./72/file0") = 0 [pid 5062] umount2("./72/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./72/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./72/cgroup") = 0 [pid 5062] umount2("./72/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./72/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./72/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./72") = 0 [pid 5062] mkdir("./73", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5144 attached [pid 5144] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 75 [pid 5144] <... set_robust_list resumed>) = 0 [pid 5144] chdir("./73") = 0 [pid 5144] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5144] setpgid(0, 0) = 0 [pid 5144] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5144] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5144] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5144] write(3, "1000", 4) = 4 [pid 5144] close(3) = 0 [pid 5144] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5144] memfd_create("syzkaller", 0) = 3 [pid 5144] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5144] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5144] munmap(0x7f9497c79000, 138412032) = 0 [pid 5144] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5144] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5144] close(3) = 0 [pid 5144] mkdir("./file0", 0777) = 0 [ 126.585654][ T5144] loop0: detected capacity change from 0 to 4096 [pid 5144] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5144] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5144] chdir("./file0") = 0 [pid 5144] ioctl(4, LOOP_CLR_FD) = 0 [pid 5144] close(4) = 0 [ 126.616932][ T5144] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [ 126.650819][ T5144] ntfs: volume version 3.1. [pid 5144] creat("./file2", 000) = 4 [pid 5144] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5144] creat("./file2", 000) = 5 [pid 5144] close(3) = 0 [pid 5144] close(4) = 0 [pid 5144] close(5) = 0 [pid 5144] close(6) = -1 EBADF (Bad file descriptor) [pid 5144] close(7) = -1 EBADF (Bad file descriptor) [pid 5144] close(8) = -1 EBADF (Bad file descriptor) [pid 5144] close(9) = -1 EBADF (Bad file descriptor) [pid 5144] close(10) = -1 EBADF (Bad file descriptor) [pid 5144] close(11) = -1 EBADF (Bad file descriptor) [pid 5144] close(12) = -1 EBADF (Bad file descriptor) [pid 5144] close(13) = -1 EBADF (Bad file descriptor) [pid 5144] close(14) = -1 EBADF (Bad file descriptor) [pid 5144] close(15) = -1 EBADF (Bad file descriptor) [pid 5144] close(16) = -1 EBADF (Bad file descriptor) [pid 5144] close(17) = -1 EBADF (Bad file descriptor) [pid 5144] close(18) = -1 EBADF (Bad file descriptor) [pid 5144] close(19) = -1 EBADF (Bad file descriptor) [pid 5144] close(20) = -1 EBADF (Bad file descriptor) [pid 5144] close(21) = -1 EBADF (Bad file descriptor) [pid 5144] close(22) = -1 EBADF (Bad file descriptor) [pid 5144] close(23) = -1 EBADF (Bad file descriptor) [pid 5144] close(24) = -1 EBADF (Bad file descriptor) [pid 5144] close(25) = -1 EBADF (Bad file descriptor) [pid 5144] close(26) = -1 EBADF (Bad file descriptor) [pid 5144] close(27) = -1 EBADF (Bad file descriptor) [pid 5144] close(28) = -1 EBADF (Bad file descriptor) [pid 5144] close(29) = -1 EBADF (Bad file descriptor) [pid 5144] exit_group(0) = ? [pid 5144] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=75, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./73", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./73/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./73/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./73/cgroup.cpu") = 0 [pid 5062] umount2("./73/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./73/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./73/binderfs") = 0 [pid 5062] umount2("./73/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./73/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./73/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./73/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./73/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./73/file0") = 0 [pid 5062] umount2("./73/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./73/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./73/cgroup") = 0 [pid 5062] umount2("./73/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./73/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./73/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./73") = 0 [pid 5062] mkdir("./74", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5145 attached [pid 5145] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 76 [pid 5145] <... set_robust_list resumed>) = 0 [pid 5145] chdir("./74") = 0 [pid 5145] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5145] setpgid(0, 0) = 0 [pid 5145] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5145] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5145] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5145] write(3, "1000", 4) = 4 [pid 5145] close(3) = 0 [pid 5145] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5145] memfd_create("syzkaller", 0) = 3 [pid 5145] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5145] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5145] munmap(0x7f9497c79000, 138412032) = 0 [pid 5145] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5145] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5145] close(3) = 0 [pid 5145] mkdir("./file0", 0777) = 0 [ 127.256232][ T5145] loop0: detected capacity change from 0 to 4096 [ 127.271019][ T5145] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5145] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5145] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5145] chdir("./file0") = 0 [ 127.305478][ T5145] ntfs: volume version 3.1. [pid 5145] ioctl(4, LOOP_CLR_FD) = 0 [pid 5145] close(4) = 0 [pid 5145] creat("./file2", 000) = 4 [pid 5145] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5145] creat("./file2", 000) = 5 [pid 5145] close(3) = 0 [pid 5145] close(4) = 0 [pid 5145] close(5) = 0 [pid 5145] close(6) = -1 EBADF (Bad file descriptor) [pid 5145] close(7) = -1 EBADF (Bad file descriptor) [pid 5145] close(8) = -1 EBADF (Bad file descriptor) [pid 5145] close(9) = -1 EBADF (Bad file descriptor) [pid 5145] close(10) = -1 EBADF (Bad file descriptor) [pid 5145] close(11) = -1 EBADF (Bad file descriptor) [pid 5145] close(12) = -1 EBADF (Bad file descriptor) [pid 5145] close(13) = -1 EBADF (Bad file descriptor) [pid 5145] close(14) = -1 EBADF (Bad file descriptor) [pid 5145] close(15) = -1 EBADF (Bad file descriptor) [pid 5145] close(16) = -1 EBADF (Bad file descriptor) [pid 5145] close(17) = -1 EBADF (Bad file descriptor) [pid 5145] close(18) = -1 EBADF (Bad file descriptor) [pid 5145] close(19) = -1 EBADF (Bad file descriptor) [pid 5145] close(20) = -1 EBADF (Bad file descriptor) [pid 5145] close(21) = -1 EBADF (Bad file descriptor) [pid 5145] close(22) = -1 EBADF (Bad file descriptor) [pid 5145] close(23) = -1 EBADF (Bad file descriptor) [pid 5145] close(24) = -1 EBADF (Bad file descriptor) [pid 5145] close(25) = -1 EBADF (Bad file descriptor) [pid 5145] close(26) = -1 EBADF (Bad file descriptor) [pid 5145] close(27) = -1 EBADF (Bad file descriptor) [pid 5145] close(28) = -1 EBADF (Bad file descriptor) [pid 5145] close(29) = -1 EBADF (Bad file descriptor) [pid 5145] exit_group(0) = ? [pid 5145] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=76, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} --- [pid 5062] umount2("./74", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./74/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./74/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./74/cgroup.cpu") = 0 [pid 5062] umount2("./74/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./74/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./74/binderfs") = 0 [pid 5062] umount2("./74/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./74/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./74/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./74/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./74/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./74/file0") = 0 [pid 5062] umount2("./74/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./74/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./74/cgroup") = 0 [pid 5062] umount2("./74/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./74/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./74/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./74") = 0 [pid 5062] mkdir("./75", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5146 attached [pid 5146] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 77 [pid 5146] <... set_robust_list resumed>) = 0 [pid 5146] chdir("./75") = 0 [pid 5146] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5146] setpgid(0, 0) = 0 [pid 5146] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5146] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5146] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5146] write(3, "1000", 4) = 4 [pid 5146] close(3) = 0 [pid 5146] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5146] memfd_create("syzkaller", 0) = 3 [pid 5146] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5146] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5146] munmap(0x7f9497c79000, 138412032) = 0 [pid 5146] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5146] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5146] close(3) = 0 [pid 5146] mkdir("./file0", 0777) = 0 [ 127.854035][ T5146] loop0: detected capacity change from 0 to 4096 [ 127.880120][ T5146] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5146] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5146] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5146] chdir("./file0") = 0 [pid 5146] ioctl(4, LOOP_CLR_FD) = 0 [pid 5146] close(4) = 0 [pid 5146] creat("./file2", 000) = 4 [ 127.913460][ T5146] ntfs: volume version 3.1. [pid 5146] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5146] creat("./file2", 000) = 5 [pid 5146] close(3) = 0 [pid 5146] close(4) = 0 [pid 5146] close(5) = 0 [pid 5146] close(6) = -1 EBADF (Bad file descriptor) [pid 5146] close(7) = -1 EBADF (Bad file descriptor) [pid 5146] close(8) = -1 EBADF (Bad file descriptor) [pid 5146] close(9) = -1 EBADF (Bad file descriptor) [pid 5146] close(10) = -1 EBADF (Bad file descriptor) [pid 5146] close(11) = -1 EBADF (Bad file descriptor) [pid 5146] close(12) = -1 EBADF (Bad file descriptor) [pid 5146] close(13) = -1 EBADF (Bad file descriptor) [pid 5146] close(14) = -1 EBADF (Bad file descriptor) [pid 5146] close(15) = -1 EBADF (Bad file descriptor) [pid 5146] close(16) = -1 EBADF (Bad file descriptor) [pid 5146] close(17) = -1 EBADF (Bad file descriptor) [pid 5146] close(18) = -1 EBADF (Bad file descriptor) [pid 5146] close(19) = -1 EBADF (Bad file descriptor) [pid 5146] close(20) = -1 EBADF (Bad file descriptor) [pid 5146] close(21) = -1 EBADF (Bad file descriptor) [pid 5146] close(22) = -1 EBADF (Bad file descriptor) [pid 5146] close(23) = -1 EBADF (Bad file descriptor) [pid 5146] close(24) = -1 EBADF (Bad file descriptor) [pid 5146] close(25) = -1 EBADF (Bad file descriptor) [pid 5146] close(26) = -1 EBADF (Bad file descriptor) [pid 5146] close(27) = -1 EBADF (Bad file descriptor) [pid 5146] close(28) = -1 EBADF (Bad file descriptor) [pid 5146] close(29) = -1 EBADF (Bad file descriptor) [pid 5146] exit_group(0) = ? [pid 5146] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=77, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] umount2("./75", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./75/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./75/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./75/cgroup.cpu") = 0 [pid 5062] umount2("./75/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./75/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./75/binderfs") = 0 [pid 5062] umount2("./75/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./75/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./75/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./75/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./75/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./75/file0") = 0 [pid 5062] umount2("./75/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./75/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./75/cgroup") = 0 [pid 5062] umount2("./75/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./75/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./75/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./75") = 0 [pid 5062] mkdir("./76", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5147 attached [pid 5147] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 78 [pid 5147] <... set_robust_list resumed>) = 0 [pid 5147] chdir("./76") = 0 [pid 5147] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5147] setpgid(0, 0) = 0 [pid 5147] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5147] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5147] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5147] write(3, "1000", 4) = 4 [pid 5147] close(3) = 0 [pid 5147] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5147] memfd_create("syzkaller", 0) = 3 [pid 5147] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5147] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5147] munmap(0x7f9497c79000, 138412032) = 0 [pid 5147] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5147] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5147] close(3) = 0 [pid 5147] mkdir("./file0", 0777) = 0 [ 128.517201][ T5147] loop0: detected capacity change from 0 to 4096 [pid 5147] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5147] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5147] chdir("./file0") = 0 [pid 5147] ioctl(4, LOOP_CLR_FD) = 0 [pid 5147] close(4) = 0 [pid 5147] creat("./file2", 000) = 4 [ 128.553128][ T5147] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [ 128.588897][ T5147] ntfs: volume version 3.1. [pid 5147] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5147] creat("./file2", 000) = 5 [pid 5147] close(3) = 0 [pid 5147] close(4) = 0 [pid 5147] close(5) = 0 [pid 5147] close(6) = -1 EBADF (Bad file descriptor) [pid 5147] close(7) = -1 EBADF (Bad file descriptor) [pid 5147] close(8) = -1 EBADF (Bad file descriptor) [pid 5147] close(9) = -1 EBADF (Bad file descriptor) [pid 5147] close(10) = -1 EBADF (Bad file descriptor) [pid 5147] close(11) = -1 EBADF (Bad file descriptor) [pid 5147] close(12) = -1 EBADF (Bad file descriptor) [pid 5147] close(13) = -1 EBADF (Bad file descriptor) [pid 5147] close(14) = -1 EBADF (Bad file descriptor) [pid 5147] close(15) = -1 EBADF (Bad file descriptor) [pid 5147] close(16) = -1 EBADF (Bad file descriptor) [pid 5147] close(17) = -1 EBADF (Bad file descriptor) [pid 5147] close(18) = -1 EBADF (Bad file descriptor) [pid 5147] close(19) = -1 EBADF (Bad file descriptor) [pid 5147] close(20) = -1 EBADF (Bad file descriptor) [pid 5147] close(21) = -1 EBADF (Bad file descriptor) [pid 5147] close(22) = -1 EBADF (Bad file descriptor) [pid 5147] close(23) = -1 EBADF (Bad file descriptor) [pid 5147] close(24) = -1 EBADF (Bad file descriptor) [pid 5147] close(25) = -1 EBADF (Bad file descriptor) [pid 5147] close(26) = -1 EBADF (Bad file descriptor) [pid 5147] close(27) = -1 EBADF (Bad file descriptor) [pid 5147] close(28) = -1 EBADF (Bad file descriptor) [pid 5147] close(29) = -1 EBADF (Bad file descriptor) [pid 5147] exit_group(0) = ? [pid 5147] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=78, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] umount2("./76", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./76/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./76/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./76/cgroup.cpu") = 0 [pid 5062] umount2("./76/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./76/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./76/binderfs") = 0 [pid 5062] umount2("./76/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./76/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./76/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./76/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./76/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./76/file0") = 0 [pid 5062] umount2("./76/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./76/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./76/cgroup") = 0 [pid 5062] umount2("./76/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./76/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./76/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./76") = 0 [pid 5062] mkdir("./77", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5148 attached [pid 5148] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 79 [pid 5148] <... set_robust_list resumed>) = 0 [pid 5148] chdir("./77") = 0 [pid 5148] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5148] setpgid(0, 0) = 0 [pid 5148] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5148] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5148] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5148] write(3, "1000", 4) = 4 [pid 5148] close(3) = 0 [pid 5148] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5148] memfd_create("syzkaller", 0) = 3 [pid 5148] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5148] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5148] munmap(0x7f9497c79000, 138412032) = 0 [pid 5148] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5148] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5148] close(3) = 0 [pid 5148] mkdir("./file0", 0777) = 0 [ 129.185042][ T5148] loop0: detected capacity change from 0 to 4096 [ 129.211383][ T5148] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5148] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5148] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5148] chdir("./file0") = 0 [pid 5148] ioctl(4, LOOP_CLR_FD) = 0 [pid 5148] close(4) = 0 [ 129.244535][ T5148] ntfs: volume version 3.1. [pid 5148] creat("./file2", 000) = 4 [pid 5148] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5148] creat("./file2", 000) = 5 [pid 5148] close(3) = 0 [pid 5148] close(4) = 0 [pid 5148] close(5) = 0 [pid 5148] close(6) = -1 EBADF (Bad file descriptor) [pid 5148] close(7) = -1 EBADF (Bad file descriptor) [pid 5148] close(8) = -1 EBADF (Bad file descriptor) [pid 5148] close(9) = -1 EBADF (Bad file descriptor) [pid 5148] close(10) = -1 EBADF (Bad file descriptor) [pid 5148] close(11) = -1 EBADF (Bad file descriptor) [pid 5148] close(12) = -1 EBADF (Bad file descriptor) [pid 5148] close(13) = -1 EBADF (Bad file descriptor) [pid 5148] close(14) = -1 EBADF (Bad file descriptor) [pid 5148] close(15) = -1 EBADF (Bad file descriptor) [pid 5148] close(16) = -1 EBADF (Bad file descriptor) [pid 5148] close(17) = -1 EBADF (Bad file descriptor) [pid 5148] close(18) = -1 EBADF (Bad file descriptor) [pid 5148] close(19) = -1 EBADF (Bad file descriptor) [pid 5148] close(20) = -1 EBADF (Bad file descriptor) [pid 5148] close(21) = -1 EBADF (Bad file descriptor) [pid 5148] close(22) = -1 EBADF (Bad file descriptor) [pid 5148] close(23) = -1 EBADF (Bad file descriptor) [pid 5148] close(24) = -1 EBADF (Bad file descriptor) [pid 5148] close(25) = -1 EBADF (Bad file descriptor) [pid 5148] close(26) = -1 EBADF (Bad file descriptor) [pid 5148] close(27) = -1 EBADF (Bad file descriptor) [pid 5148] close(28) = -1 EBADF (Bad file descriptor) [pid 5148] close(29) = -1 EBADF (Bad file descriptor) [pid 5148] exit_group(0) = ? [pid 5148] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=79, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./77", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./77/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./77/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./77/cgroup.cpu") = 0 [pid 5062] umount2("./77/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./77/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./77/binderfs") = 0 [pid 5062] umount2("./77/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./77/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./77/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./77/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./77/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./77/file0") = 0 [pid 5062] umount2("./77/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./77/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./77/cgroup") = 0 [pid 5062] umount2("./77/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./77/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./77/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./77") = 0 [pid 5062] mkdir("./78", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5149 attached [pid 5149] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 80 [pid 5149] <... set_robust_list resumed>) = 0 [pid 5149] chdir("./78") = 0 [pid 5149] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5149] setpgid(0, 0) = 0 [pid 5149] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5149] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5149] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5149] write(3, "1000", 4) = 4 [pid 5149] close(3) = 0 [pid 5149] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5149] memfd_create("syzkaller", 0) = 3 [pid 5149] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5149] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5149] munmap(0x7f9497c79000, 138412032) = 0 [pid 5149] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5149] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5149] close(3) = 0 [pid 5149] mkdir("./file0", 0777) = 0 [ 129.857340][ T5149] loop0: detected capacity change from 0 to 4096 [ 129.886418][ T5149] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5149] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5149] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5149] chdir("./file0") = 0 [pid 5149] ioctl(4, LOOP_CLR_FD) = 0 [ 129.920855][ T5149] ntfs: volume version 3.1. [pid 5149] close(4) = 0 [pid 5149] creat("./file2", 000) = 4 [pid 5149] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5149] creat("./file2", 000) = 5 [pid 5149] close(3) = 0 [pid 5149] close(4) = 0 [pid 5149] close(5) = 0 [pid 5149] close(6) = -1 EBADF (Bad file descriptor) [pid 5149] close(7) = -1 EBADF (Bad file descriptor) [pid 5149] close(8) = -1 EBADF (Bad file descriptor) [pid 5149] close(9) = -1 EBADF (Bad file descriptor) [pid 5149] close(10) = -1 EBADF (Bad file descriptor) [pid 5149] close(11) = -1 EBADF (Bad file descriptor) [pid 5149] close(12) = -1 EBADF (Bad file descriptor) [pid 5149] close(13) = -1 EBADF (Bad file descriptor) [pid 5149] close(14) = -1 EBADF (Bad file descriptor) [pid 5149] close(15) = -1 EBADF (Bad file descriptor) [pid 5149] close(16) = -1 EBADF (Bad file descriptor) [pid 5149] close(17) = -1 EBADF (Bad file descriptor) [pid 5149] close(18) = -1 EBADF (Bad file descriptor) [pid 5149] close(19) = -1 EBADF (Bad file descriptor) [pid 5149] close(20) = -1 EBADF (Bad file descriptor) [pid 5149] close(21) = -1 EBADF (Bad file descriptor) [pid 5149] close(22) = -1 EBADF (Bad file descriptor) [pid 5149] close(23) = -1 EBADF (Bad file descriptor) [pid 5149] close(24) = -1 EBADF (Bad file descriptor) [pid 5149] close(25) = -1 EBADF (Bad file descriptor) [pid 5149] close(26) = -1 EBADF (Bad file descriptor) [pid 5149] close(27) = -1 EBADF (Bad file descriptor) [pid 5149] close(28) = -1 EBADF (Bad file descriptor) [pid 5149] close(29) = -1 EBADF (Bad file descriptor) [pid 5149] exit_group(0) = ? [pid 5149] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=80, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./78", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./78/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./78/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./78/cgroup.cpu") = 0 [pid 5062] umount2("./78/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./78/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./78/binderfs") = 0 [pid 5062] umount2("./78/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./78/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./78/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./78/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./78/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./78/file0") = 0 [pid 5062] umount2("./78/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./78/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./78/cgroup") = 0 [pid 5062] umount2("./78/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./78/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./78/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./78") = 0 [pid 5062] mkdir("./79", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5150 attached , child_tidptr=0x555556e8b650) = 81 [pid 5150] set_robust_list(0x555556e8b660, 24) = 0 [pid 5150] chdir("./79") = 0 [pid 5150] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5150] setpgid(0, 0) = 0 [pid 5150] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5150] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5150] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5150] write(3, "1000", 4) = 4 [pid 5150] close(3) = 0 [pid 5150] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5150] memfd_create("syzkaller", 0) = 3 [pid 5150] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5150] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5150] munmap(0x7f9497c79000, 138412032) = 0 [pid 5150] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5150] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5150] close(3) = 0 [pid 5150] mkdir("./file0", 0777) = 0 [ 130.474977][ T5150] loop0: detected capacity change from 0 to 4096 [ 130.503088][ T5150] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5150] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5150] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5150] chdir("./file0") = 0 [pid 5150] ioctl(4, LOOP_CLR_FD) = 0 [pid 5150] close(4) = 0 [ 130.537745][ T5150] ntfs: volume version 3.1. [pid 5150] creat("./file2", 000) = 4 [pid 5150] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5150] creat("./file2", 000) = 5 [pid 5150] close(3) = 0 [pid 5150] close(4) = 0 [pid 5150] close(5) = 0 [pid 5150] close(6) = -1 EBADF (Bad file descriptor) [pid 5150] close(7) = -1 EBADF (Bad file descriptor) [pid 5150] close(8) = -1 EBADF (Bad file descriptor) [pid 5150] close(9) = -1 EBADF (Bad file descriptor) [pid 5150] close(10) = -1 EBADF (Bad file descriptor) [pid 5150] close(11) = -1 EBADF (Bad file descriptor) [pid 5150] close(12) = -1 EBADF (Bad file descriptor) [pid 5150] close(13) = -1 EBADF (Bad file descriptor) [pid 5150] close(14) = -1 EBADF (Bad file descriptor) [pid 5150] close(15) = -1 EBADF (Bad file descriptor) [pid 5150] close(16) = -1 EBADF (Bad file descriptor) [pid 5150] close(17) = -1 EBADF (Bad file descriptor) [pid 5150] close(18) = -1 EBADF (Bad file descriptor) [pid 5150] close(19) = -1 EBADF (Bad file descriptor) [pid 5150] close(20) = -1 EBADF (Bad file descriptor) [pid 5150] close(21) = -1 EBADF (Bad file descriptor) [pid 5150] close(22) = -1 EBADF (Bad file descriptor) [pid 5150] close(23) = -1 EBADF (Bad file descriptor) [pid 5150] close(24) = -1 EBADF (Bad file descriptor) [pid 5150] close(25) = -1 EBADF (Bad file descriptor) [pid 5150] close(26) = -1 EBADF (Bad file descriptor) [pid 5150] close(27) = -1 EBADF (Bad file descriptor) [pid 5150] close(28) = -1 EBADF (Bad file descriptor) [pid 5150] close(29) = -1 EBADF (Bad file descriptor) [pid 5150] exit_group(0) = ? [pid 5150] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=81, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5062] umount2("./79", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./79/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./79/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./79/cgroup.cpu") = 0 [pid 5062] umount2("./79/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./79/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./79/binderfs") = 0 [pid 5062] umount2("./79/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./79/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./79/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./79/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./79/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./79/file0") = 0 [pid 5062] umount2("./79/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./79/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./79/cgroup") = 0 [pid 5062] umount2("./79/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./79/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./79/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./79") = 0 [pid 5062] mkdir("./80", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5151 attached , child_tidptr=0x555556e8b650) = 82 [pid 5151] set_robust_list(0x555556e8b660, 24) = 0 [pid 5151] chdir("./80") = 0 [pid 5151] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5151] setpgid(0, 0) = 0 [pid 5151] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5151] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5151] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5151] write(3, "1000", 4) = 4 [pid 5151] close(3) = 0 [pid 5151] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5151] memfd_create("syzkaller", 0) = 3 [pid 5151] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5151] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5151] munmap(0x7f9497c79000, 138412032) = 0 [pid 5151] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5151] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5151] close(3) = 0 [pid 5151] mkdir("./file0", 0777) = 0 [ 131.115600][ T5151] loop0: detected capacity change from 0 to 4096 [ 131.140387][ T5151] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5151] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5151] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5151] chdir("./file0") = 0 [pid 5151] ioctl(4, LOOP_CLR_FD) = 0 [ 131.175103][ T5151] ntfs: volume version 3.1. [pid 5151] close(4) = 0 [pid 5151] creat("./file2", 000) = 4 [pid 5151] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5151] creat("./file2", 000) = 5 [pid 5151] close(3) = 0 [pid 5151] close(4) = 0 [pid 5151] close(5) = 0 [pid 5151] close(6) = -1 EBADF (Bad file descriptor) [pid 5151] close(7) = -1 EBADF (Bad file descriptor) [pid 5151] close(8) = -1 EBADF (Bad file descriptor) [pid 5151] close(9) = -1 EBADF (Bad file descriptor) [pid 5151] close(10) = -1 EBADF (Bad file descriptor) [pid 5151] close(11) = -1 EBADF (Bad file descriptor) [pid 5151] close(12) = -1 EBADF (Bad file descriptor) [pid 5151] close(13) = -1 EBADF (Bad file descriptor) [pid 5151] close(14) = -1 EBADF (Bad file descriptor) [pid 5151] close(15) = -1 EBADF (Bad file descriptor) [pid 5151] close(16) = -1 EBADF (Bad file descriptor) [pid 5151] close(17) = -1 EBADF (Bad file descriptor) [pid 5151] close(18) = -1 EBADF (Bad file descriptor) [pid 5151] close(19) = -1 EBADF (Bad file descriptor) [pid 5151] close(20) = -1 EBADF (Bad file descriptor) [pid 5151] close(21) = -1 EBADF (Bad file descriptor) [pid 5151] close(22) = -1 EBADF (Bad file descriptor) [pid 5151] close(23) = -1 EBADF (Bad file descriptor) [pid 5151] close(24) = -1 EBADF (Bad file descriptor) [pid 5151] close(25) = -1 EBADF (Bad file descriptor) [pid 5151] close(26) = -1 EBADF (Bad file descriptor) [pid 5151] close(27) = -1 EBADF (Bad file descriptor) [pid 5151] close(28) = -1 EBADF (Bad file descriptor) [pid 5151] close(29) = -1 EBADF (Bad file descriptor) [pid 5151] exit_group(0) = ? [pid 5151] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=82, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- [pid 5062] umount2("./80", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./80/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./80/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./80/cgroup.cpu") = 0 [pid 5062] umount2("./80/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./80/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./80/binderfs") = 0 [pid 5062] umount2("./80/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./80/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./80/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./80/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./80/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./80/file0") = 0 [pid 5062] umount2("./80/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./80/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./80/cgroup") = 0 [pid 5062] umount2("./80/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./80/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./80/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./80") = 0 [pid 5062] mkdir("./81", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5152 attached [pid 5152] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 83 [pid 5152] <... set_robust_list resumed>) = 0 [pid 5152] chdir("./81") = 0 [pid 5152] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5152] setpgid(0, 0) = 0 [pid 5152] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5152] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5152] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5152] write(3, "1000", 4) = 4 [pid 5152] close(3) = 0 [pid 5152] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5152] memfd_create("syzkaller", 0) = 3 [pid 5152] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5152] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5152] munmap(0x7f9497c79000, 138412032) = 0 [pid 5152] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5152] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5152] close(3) = 0 [pid 5152] mkdir("./file0", 0777) = 0 [ 131.826316][ T5152] loop0: detected capacity change from 0 to 4096 [ 131.841602][ T5152] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5152] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5152] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5152] chdir("./file0") = 0 [pid 5152] ioctl(4, LOOP_CLR_FD) = 0 [pid 5152] close(4) = 0 [ 131.876226][ T5152] ntfs: volume version 3.1. [pid 5152] creat("./file2", 000) = 4 [pid 5152] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5152] creat("./file2", 000) = 5 [pid 5152] close(3) = 0 [pid 5152] close(4) = 0 [pid 5152] close(5) = 0 [pid 5152] close(6) = -1 EBADF (Bad file descriptor) [pid 5152] close(7) = -1 EBADF (Bad file descriptor) [pid 5152] close(8) = -1 EBADF (Bad file descriptor) [pid 5152] close(9) = -1 EBADF (Bad file descriptor) [pid 5152] close(10) = -1 EBADF (Bad file descriptor) [pid 5152] close(11) = -1 EBADF (Bad file descriptor) [pid 5152] close(12) = -1 EBADF (Bad file descriptor) [pid 5152] close(13) = -1 EBADF (Bad file descriptor) [pid 5152] close(14) = -1 EBADF (Bad file descriptor) [pid 5152] close(15) = -1 EBADF (Bad file descriptor) [pid 5152] close(16) = -1 EBADF (Bad file descriptor) [pid 5152] close(17) = -1 EBADF (Bad file descriptor) [pid 5152] close(18) = -1 EBADF (Bad file descriptor) [pid 5152] close(19) = -1 EBADF (Bad file descriptor) [pid 5152] close(20) = -1 EBADF (Bad file descriptor) [pid 5152] close(21) = -1 EBADF (Bad file descriptor) [pid 5152] close(22) = -1 EBADF (Bad file descriptor) [pid 5152] close(23) = -1 EBADF (Bad file descriptor) [pid 5152] close(24) = -1 EBADF (Bad file descriptor) [pid 5152] close(25) = -1 EBADF (Bad file descriptor) [pid 5152] close(26) = -1 EBADF (Bad file descriptor) [pid 5152] close(27) = -1 EBADF (Bad file descriptor) [pid 5152] close(28) = -1 EBADF (Bad file descriptor) [pid 5152] close(29) = -1 EBADF (Bad file descriptor) [pid 5152] exit_group(0) = ? [pid 5152] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=83, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./81", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./81/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./81/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./81/cgroup.cpu") = 0 [pid 5062] umount2("./81/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./81/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./81/binderfs") = 0 [pid 5062] umount2("./81/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./81/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./81/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./81/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./81/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./81/file0") = 0 [pid 5062] umount2("./81/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./81/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./81/cgroup") = 0 [pid 5062] umount2("./81/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./81/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./81/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./81") = 0 [pid 5062] mkdir("./82", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5153 attached [pid 5153] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 84 [pid 5153] <... set_robust_list resumed>) = 0 [pid 5153] chdir("./82") = 0 [pid 5153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5153] setpgid(0, 0) = 0 [pid 5153] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5153] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5153] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5153] write(3, "1000", 4) = 4 [pid 5153] close(3) = 0 [pid 5153] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5153] memfd_create("syzkaller", 0) = 3 [pid 5153] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5153] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5153] munmap(0x7f9497c79000, 138412032) = 0 [pid 5153] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5153] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5153] close(3) = 0 [pid 5153] mkdir("./file0", 0777) = 0 [ 132.541900][ T5153] loop0: detected capacity change from 0 to 4096 [ 132.568121][ T5153] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5153] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5153] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5153] chdir("./file0") = 0 [pid 5153] ioctl(4, LOOP_CLR_FD) = 0 [pid 5153] close(4) = 0 [pid 5153] creat("./file2", 000) = 4 [ 132.601912][ T5153] ntfs: volume version 3.1. [pid 5153] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5153] creat("./file2", 000) = 5 [pid 5153] close(3) = 0 [pid 5153] close(4) = 0 [pid 5153] close(5) = 0 [pid 5153] close(6) = -1 EBADF (Bad file descriptor) [pid 5153] close(7) = -1 EBADF (Bad file descriptor) [pid 5153] close(8) = -1 EBADF (Bad file descriptor) [pid 5153] close(9) = -1 EBADF (Bad file descriptor) [pid 5153] close(10) = -1 EBADF (Bad file descriptor) [pid 5153] close(11) = -1 EBADF (Bad file descriptor) [pid 5153] close(12) = -1 EBADF (Bad file descriptor) [pid 5153] close(13) = -1 EBADF (Bad file descriptor) [pid 5153] close(14) = -1 EBADF (Bad file descriptor) [pid 5153] close(15) = -1 EBADF (Bad file descriptor) [pid 5153] close(16) = -1 EBADF (Bad file descriptor) [pid 5153] close(17) = -1 EBADF (Bad file descriptor) [pid 5153] close(18) = -1 EBADF (Bad file descriptor) [pid 5153] close(19) = -1 EBADF (Bad file descriptor) [pid 5153] close(20) = -1 EBADF (Bad file descriptor) [pid 5153] close(21) = -1 EBADF (Bad file descriptor) [pid 5153] close(22) = -1 EBADF (Bad file descriptor) [pid 5153] close(23) = -1 EBADF (Bad file descriptor) [pid 5153] close(24) = -1 EBADF (Bad file descriptor) [pid 5153] close(25) = -1 EBADF (Bad file descriptor) [pid 5153] close(26) = -1 EBADF (Bad file descriptor) [pid 5153] close(27) = -1 EBADF (Bad file descriptor) [pid 5153] close(28) = -1 EBADF (Bad file descriptor) [pid 5153] close(29) = -1 EBADF (Bad file descriptor) [pid 5153] exit_group(0) = ? [pid 5153] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=84, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] umount2("./82", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./82/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./82/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./82/cgroup.cpu") = 0 [pid 5062] umount2("./82/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./82/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./82/binderfs") = 0 [pid 5062] umount2("./82/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./82/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./82/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./82/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./82/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./82/file0") = 0 [pid 5062] umount2("./82/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./82/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./82/cgroup") = 0 [pid 5062] umount2("./82/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./82/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./82/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./82") = 0 [pid 5062] mkdir("./83", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5154 attached [pid 5154] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 85 [pid 5154] <... set_robust_list resumed>) = 0 [pid 5154] chdir("./83") = 0 [pid 5154] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5154] setpgid(0, 0) = 0 [pid 5154] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5154] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5154] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5154] write(3, "1000", 4) = 4 [pid 5154] close(3) = 0 [pid 5154] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5154] memfd_create("syzkaller", 0) = 3 [pid 5154] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5154] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5154] munmap(0x7f9497c79000, 138412032) = 0 [pid 5154] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5154] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5154] close(3) = 0 [pid 5154] mkdir("./file0", 0777) = 0 [ 133.149092][ T5154] loop0: detected capacity change from 0 to 4096 [ 133.164959][ T5154] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5154] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5154] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5154] chdir("./file0") = 0 [pid 5154] ioctl(4, LOOP_CLR_FD) = 0 [pid 5154] close(4) = 0 [ 133.197035][ T5154] ntfs: volume version 3.1. [pid 5154] creat("./file2", 000) = 4 [pid 5154] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5154] creat("./file2", 000) = 5 [pid 5154] close(3) = 0 [pid 5154] close(4) = 0 [pid 5154] close(5) = 0 [pid 5154] close(6) = -1 EBADF (Bad file descriptor) [pid 5154] close(7) = -1 EBADF (Bad file descriptor) [pid 5154] close(8) = -1 EBADF (Bad file descriptor) [pid 5154] close(9) = -1 EBADF (Bad file descriptor) [pid 5154] close(10) = -1 EBADF (Bad file descriptor) [pid 5154] close(11) = -1 EBADF (Bad file descriptor) [pid 5154] close(12) = -1 EBADF (Bad file descriptor) [pid 5154] close(13) = -1 EBADF (Bad file descriptor) [pid 5154] close(14) = -1 EBADF (Bad file descriptor) [pid 5154] close(15) = -1 EBADF (Bad file descriptor) [pid 5154] close(16) = -1 EBADF (Bad file descriptor) [pid 5154] close(17) = -1 EBADF (Bad file descriptor) [pid 5154] close(18) = -1 EBADF (Bad file descriptor) [pid 5154] close(19) = -1 EBADF (Bad file descriptor) [pid 5154] close(20) = -1 EBADF (Bad file descriptor) [pid 5154] close(21) = -1 EBADF (Bad file descriptor) [pid 5154] close(22) = -1 EBADF (Bad file descriptor) [pid 5154] close(23) = -1 EBADF (Bad file descriptor) [pid 5154] close(24) = -1 EBADF (Bad file descriptor) [pid 5154] close(25) = -1 EBADF (Bad file descriptor) [pid 5154] close(26) = -1 EBADF (Bad file descriptor) [pid 5154] close(27) = -1 EBADF (Bad file descriptor) [pid 5154] close(28) = -1 EBADF (Bad file descriptor) [pid 5154] close(29) = -1 EBADF (Bad file descriptor) [pid 5154] exit_group(0) = ? [pid 5154] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=85, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./83/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./83/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./83/cgroup.cpu") = 0 [pid 5062] umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./83/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./83/binderfs") = 0 [pid 5062] umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./83/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./83/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./83/file0") = 0 [pid 5062] umount2("./83/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./83/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./83/cgroup") = 0 [pid 5062] umount2("./83/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./83/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./83/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./83") = 0 [pid 5062] mkdir("./84", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5155 attached [pid 5155] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 86 [pid 5155] <... set_robust_list resumed>) = 0 [pid 5155] chdir("./84") = 0 [pid 5155] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5155] setpgid(0, 0) = 0 [pid 5155] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5155] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5155] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5155] write(3, "1000", 4) = 4 [pid 5155] close(3) = 0 [pid 5155] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5155] memfd_create("syzkaller", 0) = 3 [pid 5155] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5155] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5155] munmap(0x7f9497c79000, 138412032) = 0 [pid 5155] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5155] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5155] close(3) = 0 [pid 5155] mkdir("./file0", 0777) = 0 [ 133.806173][ T5155] loop0: detected capacity change from 0 to 4096 [ 133.824153][ T5155] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5155] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5155] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5155] chdir("./file0") = 0 [pid 5155] ioctl(4, LOOP_CLR_FD) = 0 [pid 5155] close(4) = 0 [pid 5155] creat("./file2", 000) = 4 [ 133.860638][ T5155] ntfs: volume version 3.1. [pid 5155] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5155] creat("./file2", 000) = 5 [pid 5155] close(3) = 0 [pid 5155] close(4) = 0 [pid 5155] close(5) = 0 [pid 5155] close(6) = -1 EBADF (Bad file descriptor) [pid 5155] close(7) = -1 EBADF (Bad file descriptor) [pid 5155] close(8) = -1 EBADF (Bad file descriptor) [pid 5155] close(9) = -1 EBADF (Bad file descriptor) [pid 5155] close(10) = -1 EBADF (Bad file descriptor) [pid 5155] close(11) = -1 EBADF (Bad file descriptor) [pid 5155] close(12) = -1 EBADF (Bad file descriptor) [pid 5155] close(13) = -1 EBADF (Bad file descriptor) [pid 5155] close(14) = -1 EBADF (Bad file descriptor) [pid 5155] close(15) = -1 EBADF (Bad file descriptor) [pid 5155] close(16) = -1 EBADF (Bad file descriptor) [pid 5155] close(17) = -1 EBADF (Bad file descriptor) [pid 5155] close(18) = -1 EBADF (Bad file descriptor) [pid 5155] close(19) = -1 EBADF (Bad file descriptor) [pid 5155] close(20) = -1 EBADF (Bad file descriptor) [pid 5155] close(21) = -1 EBADF (Bad file descriptor) [pid 5155] close(22) = -1 EBADF (Bad file descriptor) [pid 5155] close(23) = -1 EBADF (Bad file descriptor) [pid 5155] close(24) = -1 EBADF (Bad file descriptor) [pid 5155] close(25) = -1 EBADF (Bad file descriptor) [pid 5155] close(26) = -1 EBADF (Bad file descriptor) [pid 5155] close(27) = -1 EBADF (Bad file descriptor) [pid 5155] close(28) = -1 EBADF (Bad file descriptor) [pid 5155] close(29) = -1 EBADF (Bad file descriptor) [pid 5155] exit_group(0) = ? [pid 5155] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- [pid 5062] umount2("./84", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./84/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./84/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./84/cgroup.cpu") = 0 [pid 5062] umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./84/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./84/binderfs") = 0 [pid 5062] umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./84/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./84/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./84/file0") = 0 [pid 5062] umount2("./84/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./84/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./84/cgroup") = 0 [pid 5062] umount2("./84/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./84/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./84/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./84") = 0 [pid 5062] mkdir("./85", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e8b650) = 87 ./strace-static-x86_64: Process 5156 attached [pid 5156] set_robust_list(0x555556e8b660, 24) = 0 [pid 5156] chdir("./85") = 0 [pid 5156] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5156] setpgid(0, 0) = 0 [pid 5156] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5156] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5156] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5156] write(3, "1000", 4) = 4 [pid 5156] close(3) = 0 [pid 5156] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5156] memfd_create("syzkaller", 0) = 3 [pid 5156] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5156] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5156] munmap(0x7f9497c79000, 138412032) = 0 [pid 5156] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5156] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5156] close(3) = 0 [pid 5156] mkdir("./file0", 0777) = 0 [ 134.406305][ T5156] loop0: detected capacity change from 0 to 4096 [ 134.420826][ T5156] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5156] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5156] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5156] chdir("./file0") = 0 [pid 5156] ioctl(4, LOOP_CLR_FD) = 0 [pid 5156] close(4) = 0 [pid 5156] creat("./file2", 000) = 4 [ 134.455808][ T5156] ntfs: volume version 3.1. [pid 5156] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5156] creat("./file2", 000) = 5 [pid 5156] close(3) = 0 [pid 5156] close(4) = 0 [pid 5156] close(5) = 0 [pid 5156] close(6) = -1 EBADF (Bad file descriptor) [pid 5156] close(7) = -1 EBADF (Bad file descriptor) [pid 5156] close(8) = -1 EBADF (Bad file descriptor) [pid 5156] close(9) = -1 EBADF (Bad file descriptor) [pid 5156] close(10) = -1 EBADF (Bad file descriptor) [pid 5156] close(11) = -1 EBADF (Bad file descriptor) [pid 5156] close(12) = -1 EBADF (Bad file descriptor) [pid 5156] close(13) = -1 EBADF (Bad file descriptor) [pid 5156] close(14) = -1 EBADF (Bad file descriptor) [pid 5156] close(15) = -1 EBADF (Bad file descriptor) [pid 5156] close(16) = -1 EBADF (Bad file descriptor) [pid 5156] close(17) = -1 EBADF (Bad file descriptor) [pid 5156] close(18) = -1 EBADF (Bad file descriptor) [pid 5156] close(19) = -1 EBADF (Bad file descriptor) [pid 5156] close(20) = -1 EBADF (Bad file descriptor) [pid 5156] close(21) = -1 EBADF (Bad file descriptor) [pid 5156] close(22) = -1 EBADF (Bad file descriptor) [pid 5156] close(23) = -1 EBADF (Bad file descriptor) [pid 5156] close(24) = -1 EBADF (Bad file descriptor) [pid 5156] close(25) = -1 EBADF (Bad file descriptor) [pid 5156] close(26) = -1 EBADF (Bad file descriptor) [pid 5156] close(27) = -1 EBADF (Bad file descriptor) [pid 5156] close(28) = -1 EBADF (Bad file descriptor) [pid 5156] close(29) = -1 EBADF (Bad file descriptor) [pid 5156] exit_group(0) = ? [pid 5156] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=87, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./85/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./85/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./85/cgroup.cpu") = 0 [pid 5062] umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./85/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./85/binderfs") = 0 [pid 5062] umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./85/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./85/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./85/file0") = 0 [pid 5062] umount2("./85/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./85/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./85/cgroup") = 0 [pid 5062] umount2("./85/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./85/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./85/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./85") = 0 [pid 5062] mkdir("./86", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5157 attached [pid 5157] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 88 [pid 5157] <... set_robust_list resumed>) = 0 [pid 5157] chdir("./86") = 0 [pid 5157] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5157] setpgid(0, 0) = 0 [pid 5157] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5157] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5157] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5157] write(3, "1000", 4) = 4 [pid 5157] close(3) = 0 [pid 5157] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5157] memfd_create("syzkaller", 0) = 3 [pid 5157] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5157] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5157] munmap(0x7f9497c79000, 138412032) = 0 [pid 5157] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5157] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5157] close(3) = 0 [pid 5157] mkdir("./file0", 0777) = 0 [ 135.025193][ T5157] loop0: detected capacity change from 0 to 4096 [ 135.050621][ T5157] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5157] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5157] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5157] chdir("./file0") = 0 [pid 5157] ioctl(4, LOOP_CLR_FD) = 0 [pid 5157] close(4) = 0 [ 135.085219][ T5157] ntfs: volume version 3.1. [pid 5157] creat("./file2", 000) = 4 [pid 5157] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5157] creat("./file2", 000) = 5 [pid 5157] close(3) = 0 [pid 5157] close(4) = 0 [pid 5157] close(5) = 0 [pid 5157] close(6) = -1 EBADF (Bad file descriptor) [pid 5157] close(7) = -1 EBADF (Bad file descriptor) [pid 5157] close(8) = -1 EBADF (Bad file descriptor) [pid 5157] close(9) = -1 EBADF (Bad file descriptor) [pid 5157] close(10) = -1 EBADF (Bad file descriptor) [pid 5157] close(11) = -1 EBADF (Bad file descriptor) [pid 5157] close(12) = -1 EBADF (Bad file descriptor) [pid 5157] close(13) = -1 EBADF (Bad file descriptor) [pid 5157] close(14) = -1 EBADF (Bad file descriptor) [pid 5157] close(15) = -1 EBADF (Bad file descriptor) [pid 5157] close(16) = -1 EBADF (Bad file descriptor) [pid 5157] close(17) = -1 EBADF (Bad file descriptor) [pid 5157] close(18) = -1 EBADF (Bad file descriptor) [pid 5157] close(19) = -1 EBADF (Bad file descriptor) [pid 5157] close(20) = -1 EBADF (Bad file descriptor) [pid 5157] close(21) = -1 EBADF (Bad file descriptor) [pid 5157] close(22) = -1 EBADF (Bad file descriptor) [pid 5157] close(23) = -1 EBADF (Bad file descriptor) [pid 5157] close(24) = -1 EBADF (Bad file descriptor) [pid 5157] close(25) = -1 EBADF (Bad file descriptor) [pid 5157] close(26) = -1 EBADF (Bad file descriptor) [pid 5157] close(27) = -1 EBADF (Bad file descriptor) [pid 5157] close(28) = -1 EBADF (Bad file descriptor) [pid 5157] close(29) = -1 EBADF (Bad file descriptor) [pid 5157] exit_group(0) = ? [pid 5157] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=88, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5062] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./86/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./86/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./86/cgroup.cpu") = 0 [pid 5062] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./86/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./86/binderfs") = 0 [pid 5062] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./86/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./86/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./86/file0") = 0 [pid 5062] umount2("./86/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./86/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./86/cgroup") = 0 [pid 5062] umount2("./86/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./86/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./86/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./86") = 0 [pid 5062] mkdir("./87", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5158 attached [pid 5158] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 89 [pid 5158] <... set_robust_list resumed>) = 0 [pid 5158] chdir("./87") = 0 [pid 5158] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5158] setpgid(0, 0) = 0 [pid 5158] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5158] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5158] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5158] write(3, "1000", 4) = 4 [pid 5158] close(3) = 0 [pid 5158] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5158] memfd_create("syzkaller", 0) = 3 [pid 5158] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5158] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5158] munmap(0x7f9497c79000, 138412032) = 0 [pid 5158] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5158] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5158] close(3) = 0 [pid 5158] mkdir("./file0", 0777) = 0 [ 135.636463][ T5158] loop0: detected capacity change from 0 to 4096 [ 135.649649][ T5158] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5158] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5158] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5158] chdir("./file0") = 0 [pid 5158] ioctl(4, LOOP_CLR_FD) = 0 [ 135.684859][ T5158] ntfs: volume version 3.1. [pid 5158] close(4) = 0 [pid 5158] creat("./file2", 000) = 4 [pid 5158] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5158] creat("./file2", 000) = 5 [pid 5158] close(3) = 0 [pid 5158] close(4) = 0 [pid 5158] close(5) = 0 [pid 5158] close(6) = -1 EBADF (Bad file descriptor) [pid 5158] close(7) = -1 EBADF (Bad file descriptor) [pid 5158] close(8) = -1 EBADF (Bad file descriptor) [pid 5158] close(9) = -1 EBADF (Bad file descriptor) [pid 5158] close(10) = -1 EBADF (Bad file descriptor) [pid 5158] close(11) = -1 EBADF (Bad file descriptor) [pid 5158] close(12) = -1 EBADF (Bad file descriptor) [pid 5158] close(13) = -1 EBADF (Bad file descriptor) [pid 5158] close(14) = -1 EBADF (Bad file descriptor) [pid 5158] close(15) = -1 EBADF (Bad file descriptor) [pid 5158] close(16) = -1 EBADF (Bad file descriptor) [pid 5158] close(17) = -1 EBADF (Bad file descriptor) [pid 5158] close(18) = -1 EBADF (Bad file descriptor) [pid 5158] close(19) = -1 EBADF (Bad file descriptor) [pid 5158] close(20) = -1 EBADF (Bad file descriptor) [pid 5158] close(21) = -1 EBADF (Bad file descriptor) [pid 5158] close(22) = -1 EBADF (Bad file descriptor) [pid 5158] close(23) = -1 EBADF (Bad file descriptor) [pid 5158] close(24) = -1 EBADF (Bad file descriptor) [pid 5158] close(25) = -1 EBADF (Bad file descriptor) [pid 5158] close(26) = -1 EBADF (Bad file descriptor) [pid 5158] close(27) = -1 EBADF (Bad file descriptor) [pid 5158] close(28) = -1 EBADF (Bad file descriptor) [pid 5158] close(29) = -1 EBADF (Bad file descriptor) [pid 5158] exit_group(0) = ? [pid 5158] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=89, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./87/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./87/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./87/cgroup.cpu") = 0 [pid 5062] umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./87/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./87/binderfs") = 0 [pid 5062] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./87/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./87/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./87/file0") = 0 [pid 5062] umount2("./87/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./87/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./87/cgroup") = 0 [pid 5062] umount2("./87/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./87/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./87/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./87") = 0 [pid 5062] mkdir("./88", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5159 attached [pid 5159] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 90 [pid 5159] <... set_robust_list resumed>) = 0 [pid 5159] chdir("./88") = 0 [pid 5159] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5159] setpgid(0, 0) = 0 [pid 5159] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5159] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5159] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5159] write(3, "1000", 4) = 4 [pid 5159] close(3) = 0 [pid 5159] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5159] memfd_create("syzkaller", 0) = 3 [pid 5159] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5159] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5159] munmap(0x7f9497c79000, 138412032) = 0 [pid 5159] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5159] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5159] close(3) = 0 [pid 5159] mkdir("./file0", 0777) = 0 [ 136.255306][ T5159] loop0: detected capacity change from 0 to 4096 [ 136.271963][ T5159] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5159] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5159] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5159] chdir("./file0") = 0 [pid 5159] ioctl(4, LOOP_CLR_FD) = 0 [pid 5159] close(4) = 0 [pid 5159] creat("./file2", 000) = 4 [ 136.305890][ T5159] ntfs: volume version 3.1. [pid 5159] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5159] creat("./file2", 000) = 5 [pid 5159] close(3) = 0 [pid 5159] close(4) = 0 [pid 5159] close(5) = 0 [pid 5159] close(6) = -1 EBADF (Bad file descriptor) [pid 5159] close(7) = -1 EBADF (Bad file descriptor) [pid 5159] close(8) = -1 EBADF (Bad file descriptor) [pid 5159] close(9) = -1 EBADF (Bad file descriptor) [pid 5159] close(10) = -1 EBADF (Bad file descriptor) [pid 5159] close(11) = -1 EBADF (Bad file descriptor) [pid 5159] close(12) = -1 EBADF (Bad file descriptor) [pid 5159] close(13) = -1 EBADF (Bad file descriptor) [pid 5159] close(14) = -1 EBADF (Bad file descriptor) [pid 5159] close(15) = -1 EBADF (Bad file descriptor) [pid 5159] close(16) = -1 EBADF (Bad file descriptor) [pid 5159] close(17) = -1 EBADF (Bad file descriptor) [pid 5159] close(18) = -1 EBADF (Bad file descriptor) [pid 5159] close(19) = -1 EBADF (Bad file descriptor) [pid 5159] close(20) = -1 EBADF (Bad file descriptor) [pid 5159] close(21) = -1 EBADF (Bad file descriptor) [pid 5159] close(22) = -1 EBADF (Bad file descriptor) [pid 5159] close(23) = -1 EBADF (Bad file descriptor) [pid 5159] close(24) = -1 EBADF (Bad file descriptor) [pid 5159] close(25) = -1 EBADF (Bad file descriptor) [pid 5159] close(26) = -1 EBADF (Bad file descriptor) [pid 5159] close(27) = -1 EBADF (Bad file descriptor) [pid 5159] close(28) = -1 EBADF (Bad file descriptor) [pid 5159] close(29) = -1 EBADF (Bad file descriptor) [pid 5159] exit_group(0) = ? [pid 5159] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=90, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./88/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./88/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./88/cgroup.cpu") = 0 [pid 5062] umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./88/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./88/binderfs") = 0 [pid 5062] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./88/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./88/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./88/file0") = 0 [pid 5062] umount2("./88/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./88/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./88/cgroup") = 0 [pid 5062] umount2("./88/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./88/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./88/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./88") = 0 [pid 5062] mkdir("./89", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5160 attached , child_tidptr=0x555556e8b650) = 91 [pid 5160] set_robust_list(0x555556e8b660, 24) = 0 [pid 5160] chdir("./89") = 0 [pid 5160] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5160] setpgid(0, 0) = 0 [pid 5160] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5160] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5160] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5160] write(3, "1000", 4) = 4 [pid 5160] close(3) = 0 [pid 5160] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5160] memfd_create("syzkaller", 0) = 3 [pid 5160] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5160] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5160] munmap(0x7f9497c79000, 138412032) = 0 [pid 5160] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5160] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5160] close(3) = 0 [pid 5160] mkdir("./file0", 0777) = 0 [ 136.847304][ T5160] loop0: detected capacity change from 0 to 4096 [ 136.864299][ T5160] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5160] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5160] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5160] chdir("./file0") = 0 [pid 5160] ioctl(4, LOOP_CLR_FD) = 0 [ 136.898082][ T5160] ntfs: volume version 3.1. [pid 5160] close(4) = 0 [pid 5160] creat("./file2", 000) = 4 [pid 5160] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5160] creat("./file2", 000) = 5 [pid 5160] close(3) = 0 [pid 5160] close(4) = 0 [pid 5160] close(5) = 0 [pid 5160] close(6) = -1 EBADF (Bad file descriptor) [pid 5160] close(7) = -1 EBADF (Bad file descriptor) [pid 5160] close(8) = -1 EBADF (Bad file descriptor) [pid 5160] close(9) = -1 EBADF (Bad file descriptor) [pid 5160] close(10) = -1 EBADF (Bad file descriptor) [pid 5160] close(11) = -1 EBADF (Bad file descriptor) [pid 5160] close(12) = -1 EBADF (Bad file descriptor) [pid 5160] close(13) = -1 EBADF (Bad file descriptor) [pid 5160] close(14) = -1 EBADF (Bad file descriptor) [pid 5160] close(15) = -1 EBADF (Bad file descriptor) [pid 5160] close(16) = -1 EBADF (Bad file descriptor) [pid 5160] close(17) = -1 EBADF (Bad file descriptor) [pid 5160] close(18) = -1 EBADF (Bad file descriptor) [pid 5160] close(19) = -1 EBADF (Bad file descriptor) [pid 5160] close(20) = -1 EBADF (Bad file descriptor) [pid 5160] close(21) = -1 EBADF (Bad file descriptor) [pid 5160] close(22) = -1 EBADF (Bad file descriptor) [pid 5160] close(23) = -1 EBADF (Bad file descriptor) [pid 5160] close(24) = -1 EBADF (Bad file descriptor) [pid 5160] close(25) = -1 EBADF (Bad file descriptor) [pid 5160] close(26) = -1 EBADF (Bad file descriptor) [pid 5160] close(27) = -1 EBADF (Bad file descriptor) [pid 5160] close(28) = -1 EBADF (Bad file descriptor) [pid 5160] close(29) = -1 EBADF (Bad file descriptor) [pid 5160] exit_group(0) = ? [pid 5160] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=91, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- [pid 5062] umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./89/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./89/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./89/cgroup.cpu") = 0 [pid 5062] umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./89/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./89/binderfs") = 0 [pid 5062] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./89/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./89/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./89/file0") = 0 [pid 5062] umount2("./89/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./89/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./89/cgroup") = 0 [pid 5062] umount2("./89/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./89/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./89/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./89") = 0 [pid 5062] mkdir("./90", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5161 attached , child_tidptr=0x555556e8b650) = 92 [pid 5161] set_robust_list(0x555556e8b660, 24) = 0 [pid 5161] chdir("./90") = 0 [pid 5161] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5161] setpgid(0, 0) = 0 [pid 5161] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5161] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5161] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5161] write(3, "1000", 4) = 4 [pid 5161] close(3) = 0 [pid 5161] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5161] memfd_create("syzkaller", 0) = 3 [pid 5161] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5161] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5161] munmap(0x7f9497c79000, 138412032) = 0 [pid 5161] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5161] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5161] close(3) = 0 [pid 5161] mkdir("./file0", 0777) = 0 [ 137.486783][ T5161] loop0: detected capacity change from 0 to 4096 [ 137.511719][ T5161] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5161] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5161] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5161] chdir("./file0") = 0 [pid 5161] ioctl(4, LOOP_CLR_FD) = 0 [ 137.546930][ T5161] ntfs: volume version 3.1. [pid 5161] close(4) = 0 [pid 5161] creat("./file2", 000) = 4 [pid 5161] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5161] creat("./file2", 000) = 5 [pid 5161] close(3) = 0 [pid 5161] close(4) = 0 [pid 5161] close(5) = 0 [pid 5161] close(6) = -1 EBADF (Bad file descriptor) [pid 5161] close(7) = -1 EBADF (Bad file descriptor) [pid 5161] close(8) = -1 EBADF (Bad file descriptor) [pid 5161] close(9) = -1 EBADF (Bad file descriptor) [pid 5161] close(10) = -1 EBADF (Bad file descriptor) [pid 5161] close(11) = -1 EBADF (Bad file descriptor) [pid 5161] close(12) = -1 EBADF (Bad file descriptor) [pid 5161] close(13) = -1 EBADF (Bad file descriptor) [pid 5161] close(14) = -1 EBADF (Bad file descriptor) [pid 5161] close(15) = -1 EBADF (Bad file descriptor) [pid 5161] close(16) = -1 EBADF (Bad file descriptor) [pid 5161] close(17) = -1 EBADF (Bad file descriptor) [pid 5161] close(18) = -1 EBADF (Bad file descriptor) [pid 5161] close(19) = -1 EBADF (Bad file descriptor) [pid 5161] close(20) = -1 EBADF (Bad file descriptor) [pid 5161] close(21) = -1 EBADF (Bad file descriptor) [pid 5161] close(22) = -1 EBADF (Bad file descriptor) [pid 5161] close(23) = -1 EBADF (Bad file descriptor) [pid 5161] close(24) = -1 EBADF (Bad file descriptor) [pid 5161] close(25) = -1 EBADF (Bad file descriptor) [pid 5161] close(26) = -1 EBADF (Bad file descriptor) [pid 5161] close(27) = -1 EBADF (Bad file descriptor) [pid 5161] close(28) = -1 EBADF (Bad file descriptor) [pid 5161] close(29) = -1 EBADF (Bad file descriptor) [pid 5161] exit_group(0) = ? [pid 5161] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=92, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] umount2("./90", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./90/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./90/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./90/cgroup.cpu") = 0 [pid 5062] umount2("./90/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./90/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./90/binderfs") = 0 [pid 5062] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./90/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./90/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./90/file0") = 0 [pid 5062] umount2("./90/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./90/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./90/cgroup") = 0 [pid 5062] umount2("./90/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./90/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./90/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./90") = 0 [pid 5062] mkdir("./91", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5162 attached [pid 5162] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 93 [pid 5162] <... set_robust_list resumed>) = 0 [pid 5162] chdir("./91") = 0 [pid 5162] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5162] setpgid(0, 0) = 0 [pid 5162] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5162] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5162] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5162] write(3, "1000", 4) = 4 [pid 5162] close(3) = 0 [pid 5162] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5162] memfd_create("syzkaller", 0) = 3 [pid 5162] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5162] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5162] munmap(0x7f9497c79000, 138412032) = 0 [pid 5162] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5162] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5162] close(3) = 0 [pid 5162] mkdir("./file0", 0777) = 0 [ 138.124238][ T5162] loop0: detected capacity change from 0 to 4096 [ 138.153594][ T5162] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5162] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5162] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5162] chdir("./file0") = 0 [pid 5162] ioctl(4, LOOP_CLR_FD) = 0 [pid 5162] close(4) = 0 [pid 5162] creat("./file2", 000) = 4 [ 138.189703][ T5162] ntfs: volume version 3.1. [pid 5162] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5162] creat("./file2", 000) = 5 [pid 5162] close(3) = 0 [pid 5162] close(4) = 0 [pid 5162] close(5) = 0 [pid 5162] close(6) = -1 EBADF (Bad file descriptor) [pid 5162] close(7) = -1 EBADF (Bad file descriptor) [pid 5162] close(8) = -1 EBADF (Bad file descriptor) [pid 5162] close(9) = -1 EBADF (Bad file descriptor) [pid 5162] close(10) = -1 EBADF (Bad file descriptor) [pid 5162] close(11) = -1 EBADF (Bad file descriptor) [pid 5162] close(12) = -1 EBADF (Bad file descriptor) [pid 5162] close(13) = -1 EBADF (Bad file descriptor) [pid 5162] close(14) = -1 EBADF (Bad file descriptor) [pid 5162] close(15) = -1 EBADF (Bad file descriptor) [pid 5162] close(16) = -1 EBADF (Bad file descriptor) [pid 5162] close(17) = -1 EBADF (Bad file descriptor) [pid 5162] close(18) = -1 EBADF (Bad file descriptor) [pid 5162] close(19) = -1 EBADF (Bad file descriptor) [pid 5162] close(20) = -1 EBADF (Bad file descriptor) [pid 5162] close(21) = -1 EBADF (Bad file descriptor) [pid 5162] close(22) = -1 EBADF (Bad file descriptor) [pid 5162] close(23) = -1 EBADF (Bad file descriptor) [pid 5162] close(24) = -1 EBADF (Bad file descriptor) [pid 5162] close(25) = -1 EBADF (Bad file descriptor) [pid 5162] close(26) = -1 EBADF (Bad file descriptor) [pid 5162] close(27) = -1 EBADF (Bad file descriptor) [pid 5162] close(28) = -1 EBADF (Bad file descriptor) [pid 5162] close(29) = -1 EBADF (Bad file descriptor) [pid 5162] exit_group(0) = ? [pid 5162] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=93, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] umount2("./91", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./91/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./91/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./91/cgroup.cpu") = 0 [pid 5062] umount2("./91/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./91/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./91/binderfs") = 0 [pid 5062] umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./91/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./91/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./91/file0") = 0 [pid 5062] umount2("./91/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./91/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./91/cgroup") = 0 [pid 5062] umount2("./91/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./91/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./91/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./91") = 0 [pid 5062] mkdir("./92", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5163 attached , child_tidptr=0x555556e8b650) = 94 [pid 5163] set_robust_list(0x555556e8b660, 24) = 0 [pid 5163] chdir("./92") = 0 [pid 5163] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5163] setpgid(0, 0) = 0 [pid 5163] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5163] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5163] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5163] write(3, "1000", 4) = 4 [pid 5163] close(3) = 0 [pid 5163] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5163] memfd_create("syzkaller", 0) = 3 [pid 5163] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5163] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5163] munmap(0x7f9497c79000, 138412032) = 0 [pid 5163] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5163] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5163] close(3) = 0 [pid 5163] mkdir("./file0", 0777) = 0 [ 138.712877][ T5163] loop0: detected capacity change from 0 to 4096 [ 138.732464][ T5163] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5163] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5163] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5163] chdir("./file0") = 0 [pid 5163] ioctl(4, LOOP_CLR_FD) = 0 [pid 5163] close(4) = 0 [pid 5163] creat("./file2", 000) = 4 [ 138.766532][ T5163] ntfs: volume version 3.1. [pid 5163] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5163] creat("./file2", 000) = 5 [pid 5163] close(3) = 0 [pid 5163] close(4) = 0 [pid 5163] close(5) = 0 [pid 5163] close(6) = -1 EBADF (Bad file descriptor) [pid 5163] close(7) = -1 EBADF (Bad file descriptor) [pid 5163] close(8) = -1 EBADF (Bad file descriptor) [pid 5163] close(9) = -1 EBADF (Bad file descriptor) [pid 5163] close(10) = -1 EBADF (Bad file descriptor) [pid 5163] close(11) = -1 EBADF (Bad file descriptor) [pid 5163] close(12) = -1 EBADF (Bad file descriptor) [pid 5163] close(13) = -1 EBADF (Bad file descriptor) [pid 5163] close(14) = -1 EBADF (Bad file descriptor) [pid 5163] close(15) = -1 EBADF (Bad file descriptor) [pid 5163] close(16) = -1 EBADF (Bad file descriptor) [pid 5163] close(17) = -1 EBADF (Bad file descriptor) [pid 5163] close(18) = -1 EBADF (Bad file descriptor) [pid 5163] close(19) = -1 EBADF (Bad file descriptor) [pid 5163] close(20) = -1 EBADF (Bad file descriptor) [pid 5163] close(21) = -1 EBADF (Bad file descriptor) [pid 5163] close(22) = -1 EBADF (Bad file descriptor) [pid 5163] close(23) = -1 EBADF (Bad file descriptor) [pid 5163] close(24) = -1 EBADF (Bad file descriptor) [pid 5163] close(25) = -1 EBADF (Bad file descriptor) [pid 5163] close(26) = -1 EBADF (Bad file descriptor) [pid 5163] close(27) = -1 EBADF (Bad file descriptor) [pid 5163] close(28) = -1 EBADF (Bad file descriptor) [pid 5163] close(29) = -1 EBADF (Bad file descriptor) [pid 5163] exit_group(0) = ? [pid 5163] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=94, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./92", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./92/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./92/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./92/cgroup.cpu") = 0 [pid 5062] umount2("./92/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./92/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./92/binderfs") = 0 [pid 5062] umount2("./92/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./92/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./92/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./92/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./92/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./92/file0") = 0 [pid 5062] umount2("./92/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./92/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./92/cgroup") = 0 [pid 5062] umount2("./92/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./92/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./92/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./92") = 0 [pid 5062] mkdir("./93", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5164 attached [pid 5164] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 95 [pid 5164] <... set_robust_list resumed>) = 0 [pid 5164] chdir("./93") = 0 [pid 5164] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5164] setpgid(0, 0) = 0 [pid 5164] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5164] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5164] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5164] write(3, "1000", 4) = 4 [pid 5164] close(3) = 0 [pid 5164] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5164] memfd_create("syzkaller", 0) = 3 [pid 5164] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5164] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5164] munmap(0x7f9497c79000, 138412032) = 0 [pid 5164] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5164] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5164] close(3) = 0 [pid 5164] mkdir("./file0", 0777) = 0 [ 139.319257][ T5164] loop0: detected capacity change from 0 to 4096 [ 139.332701][ T5164] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5164] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5164] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5164] chdir("./file0") = 0 [ 139.365756][ T5164] ntfs: volume version 3.1. [pid 5164] ioctl(4, LOOP_CLR_FD) = 0 [pid 5164] close(4) = 0 [pid 5164] creat("./file2", 000) = 4 [pid 5164] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5164] creat("./file2", 000) = 5 [pid 5164] close(3) = 0 [pid 5164] close(4) = 0 [pid 5164] close(5) = 0 [pid 5164] close(6) = -1 EBADF (Bad file descriptor) [pid 5164] close(7) = -1 EBADF (Bad file descriptor) [pid 5164] close(8) = -1 EBADF (Bad file descriptor) [pid 5164] close(9) = -1 EBADF (Bad file descriptor) [pid 5164] close(10) = -1 EBADF (Bad file descriptor) [pid 5164] close(11) = -1 EBADF (Bad file descriptor) [pid 5164] close(12) = -1 EBADF (Bad file descriptor) [pid 5164] close(13) = -1 EBADF (Bad file descriptor) [pid 5164] close(14) = -1 EBADF (Bad file descriptor) [pid 5164] close(15) = -1 EBADF (Bad file descriptor) [pid 5164] close(16) = -1 EBADF (Bad file descriptor) [pid 5164] close(17) = -1 EBADF (Bad file descriptor) [pid 5164] close(18) = -1 EBADF (Bad file descriptor) [pid 5164] close(19) = -1 EBADF (Bad file descriptor) [pid 5164] close(20) = -1 EBADF (Bad file descriptor) [pid 5164] close(21) = -1 EBADF (Bad file descriptor) [pid 5164] close(22) = -1 EBADF (Bad file descriptor) [pid 5164] close(23) = -1 EBADF (Bad file descriptor) [pid 5164] close(24) = -1 EBADF (Bad file descriptor) [pid 5164] close(25) = -1 EBADF (Bad file descriptor) [pid 5164] close(26) = -1 EBADF (Bad file descriptor) [pid 5164] close(27) = -1 EBADF (Bad file descriptor) [pid 5164] close(28) = -1 EBADF (Bad file descriptor) [pid 5164] close(29) = -1 EBADF (Bad file descriptor) [pid 5164] exit_group(0) = ? [pid 5164] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=95, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] umount2("./93", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./93/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./93/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./93/cgroup.cpu") = 0 [pid 5062] umount2("./93/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./93/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./93/binderfs") = 0 [pid 5062] umount2("./93/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./93/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./93/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./93/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./93/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./93/file0") = 0 [pid 5062] umount2("./93/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./93/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./93/cgroup") = 0 [pid 5062] umount2("./93/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./93/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./93/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./93") = 0 [pid 5062] mkdir("./94", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5165 attached [pid 5165] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 96 [pid 5165] <... set_robust_list resumed>) = 0 [pid 5165] chdir("./94") = 0 [pid 5165] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5165] setpgid(0, 0) = 0 [pid 5165] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5165] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5165] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5165] write(3, "1000", 4) = 4 [pid 5165] close(3) = 0 [pid 5165] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5165] memfd_create("syzkaller", 0) = 3 [pid 5165] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5165] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5165] munmap(0x7f9497c79000, 138412032) = 0 [pid 5165] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5165] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5165] close(3) = 0 [pid 5165] mkdir("./file0", 0777) = 0 [ 139.984865][ T5165] loop0: detected capacity change from 0 to 4096 [ 140.002296][ T5165] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5165] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5165] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5165] chdir("./file0") = 0 [pid 5165] ioctl(4, LOOP_CLR_FD) = 0 [ 140.038739][ T5165] ntfs: volume version 3.1. [pid 5165] close(4) = 0 [pid 5165] creat("./file2", 000) = 4 [pid 5165] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5165] creat("./file2", 000) = 5 [pid 5165] close(3) = 0 [pid 5165] close(4) = 0 [pid 5165] close(5) = 0 [pid 5165] close(6) = -1 EBADF (Bad file descriptor) [pid 5165] close(7) = -1 EBADF (Bad file descriptor) [pid 5165] close(8) = -1 EBADF (Bad file descriptor) [pid 5165] close(9) = -1 EBADF (Bad file descriptor) [pid 5165] close(10) = -1 EBADF (Bad file descriptor) [pid 5165] close(11) = -1 EBADF (Bad file descriptor) [pid 5165] close(12) = -1 EBADF (Bad file descriptor) [pid 5165] close(13) = -1 EBADF (Bad file descriptor) [pid 5165] close(14) = -1 EBADF (Bad file descriptor) [pid 5165] close(15) = -1 EBADF (Bad file descriptor) [pid 5165] close(16) = -1 EBADF (Bad file descriptor) [pid 5165] close(17) = -1 EBADF (Bad file descriptor) [pid 5165] close(18) = -1 EBADF (Bad file descriptor) [pid 5165] close(19) = -1 EBADF (Bad file descriptor) [pid 5165] close(20) = -1 EBADF (Bad file descriptor) [pid 5165] close(21) = -1 EBADF (Bad file descriptor) [pid 5165] close(22) = -1 EBADF (Bad file descriptor) [pid 5165] close(23) = -1 EBADF (Bad file descriptor) [pid 5165] close(24) = -1 EBADF (Bad file descriptor) [pid 5165] close(25) = -1 EBADF (Bad file descriptor) [pid 5165] close(26) = -1 EBADF (Bad file descriptor) [pid 5165] close(27) = -1 EBADF (Bad file descriptor) [pid 5165] close(28) = -1 EBADF (Bad file descriptor) [pid 5165] close(29) = -1 EBADF (Bad file descriptor) [pid 5165] exit_group(0) = ? [pid 5165] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=96, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- [pid 5062] umount2("./94", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./94/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./94/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./94/cgroup.cpu") = 0 [pid 5062] umount2("./94/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./94/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./94/binderfs") = 0 [pid 5062] umount2("./94/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./94/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./94/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./94/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./94/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./94/file0") = 0 [pid 5062] umount2("./94/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./94/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./94/cgroup") = 0 [pid 5062] umount2("./94/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./94/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./94/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./94") = 0 [pid 5062] mkdir("./95", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5166 attached , child_tidptr=0x555556e8b650) = 97 [pid 5166] set_robust_list(0x555556e8b660, 24) = 0 [pid 5166] chdir("./95") = 0 [pid 5166] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5166] setpgid(0, 0) = 0 [pid 5166] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5166] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5166] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5166] write(3, "1000", 4) = 4 [pid 5166] close(3) = 0 [pid 5166] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5166] memfd_create("syzkaller", 0) = 3 [pid 5166] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5166] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5166] munmap(0x7f9497c79000, 138412032) = 0 [pid 5166] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5166] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5166] close(3) = 0 [pid 5166] mkdir("./file0", 0777) = 0 [pid 5166] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5166] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5166] chdir("./file0") = 0 [pid 5166] ioctl(4, LOOP_CLR_FD) = 0 [pid 5166] close(4) = 0 [pid 5166] creat("./file2", 000) = 4 [ 140.638390][ T5166] loop0: detected capacity change from 0 to 4096 [ 140.648415][ T5166] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [ 140.682957][ T5166] ntfs: volume version 3.1. [pid 5166] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5166] creat("./file2", 000) = 5 [pid 5166] close(3) = 0 [pid 5166] close(4) = 0 [pid 5166] close(5) = 0 [pid 5166] close(6) = -1 EBADF (Bad file descriptor) [pid 5166] close(7) = -1 EBADF (Bad file descriptor) [pid 5166] close(8) = -1 EBADF (Bad file descriptor) [pid 5166] close(9) = -1 EBADF (Bad file descriptor) [pid 5166] close(10) = -1 EBADF (Bad file descriptor) [pid 5166] close(11) = -1 EBADF (Bad file descriptor) [pid 5166] close(12) = -1 EBADF (Bad file descriptor) [pid 5166] close(13) = -1 EBADF (Bad file descriptor) [pid 5166] close(14) = -1 EBADF (Bad file descriptor) [pid 5166] close(15) = -1 EBADF (Bad file descriptor) [pid 5166] close(16) = -1 EBADF (Bad file descriptor) [pid 5166] close(17) = -1 EBADF (Bad file descriptor) [pid 5166] close(18) = -1 EBADF (Bad file descriptor) [pid 5166] close(19) = -1 EBADF (Bad file descriptor) [pid 5166] close(20) = -1 EBADF (Bad file descriptor) [pid 5166] close(21) = -1 EBADF (Bad file descriptor) [pid 5166] close(22) = -1 EBADF (Bad file descriptor) [pid 5166] close(23) = -1 EBADF (Bad file descriptor) [pid 5166] close(24) = -1 EBADF (Bad file descriptor) [pid 5166] close(25) = -1 EBADF (Bad file descriptor) [pid 5166] close(26) = -1 EBADF (Bad file descriptor) [pid 5166] close(27) = -1 EBADF (Bad file descriptor) [pid 5166] close(28) = -1 EBADF (Bad file descriptor) [pid 5166] close(29) = -1 EBADF (Bad file descriptor) [pid 5166] exit_group(0) = ? [pid 5166] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=97, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] umount2("./95", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./95/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./95/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./95/cgroup.cpu") = 0 [pid 5062] umount2("./95/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./95/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./95/binderfs") = 0 [pid 5062] umount2("./95/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./95/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./95/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./95/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./95/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./95/file0") = 0 [pid 5062] umount2("./95/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./95/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./95/cgroup") = 0 [pid 5062] umount2("./95/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./95/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./95/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./95") = 0 [pid 5062] mkdir("./96", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5167 attached [pid 5167] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 98 [pid 5167] <... set_robust_list resumed>) = 0 [pid 5167] chdir("./96") = 0 [pid 5167] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5167] setpgid(0, 0) = 0 [pid 5167] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5167] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5167] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5167] write(3, "1000", 4) = 4 [pid 5167] close(3) = 0 [pid 5167] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5167] memfd_create("syzkaller", 0) = 3 [pid 5167] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5167] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5167] munmap(0x7f9497c79000, 138412032) = 0 [pid 5167] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5167] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5167] close(3) = 0 [pid 5167] mkdir("./file0", 0777) = 0 [ 141.255889][ T5167] loop0: detected capacity change from 0 to 4096 [ 141.270552][ T5167] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5167] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5167] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5167] chdir("./file0") = 0 [pid 5167] ioctl(4, LOOP_CLR_FD) = 0 [pid 5167] close(4) = 0 [pid 5167] creat("./file2", 000) = 4 [ 141.304175][ T5167] ntfs: volume version 3.1. [pid 5167] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5167] creat("./file2", 000) = 5 [pid 5167] close(3) = 0 [pid 5167] close(4) = 0 [pid 5167] close(5) = 0 [pid 5167] close(6) = -1 EBADF (Bad file descriptor) [pid 5167] close(7) = -1 EBADF (Bad file descriptor) [pid 5167] close(8) = -1 EBADF (Bad file descriptor) [pid 5167] close(9) = -1 EBADF (Bad file descriptor) [pid 5167] close(10) = -1 EBADF (Bad file descriptor) [pid 5167] close(11) = -1 EBADF (Bad file descriptor) [pid 5167] close(12) = -1 EBADF (Bad file descriptor) [pid 5167] close(13) = -1 EBADF (Bad file descriptor) [pid 5167] close(14) = -1 EBADF (Bad file descriptor) [pid 5167] close(15) = -1 EBADF (Bad file descriptor) [pid 5167] close(16) = -1 EBADF (Bad file descriptor) [pid 5167] close(17) = -1 EBADF (Bad file descriptor) [pid 5167] close(18) = -1 EBADF (Bad file descriptor) [pid 5167] close(19) = -1 EBADF (Bad file descriptor) [pid 5167] close(20) = -1 EBADF (Bad file descriptor) [pid 5167] close(21) = -1 EBADF (Bad file descriptor) [pid 5167] close(22) = -1 EBADF (Bad file descriptor) [pid 5167] close(23) = -1 EBADF (Bad file descriptor) [pid 5167] close(24) = -1 EBADF (Bad file descriptor) [pid 5167] close(25) = -1 EBADF (Bad file descriptor) [pid 5167] close(26) = -1 EBADF (Bad file descriptor) [pid 5167] close(27) = -1 EBADF (Bad file descriptor) [pid 5167] close(28) = -1 EBADF (Bad file descriptor) [pid 5167] close(29) = -1 EBADF (Bad file descriptor) [pid 5167] exit_group(0) = ? [pid 5167] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=98, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./96", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./96/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./96/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./96/cgroup.cpu") = 0 [pid 5062] umount2("./96/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./96/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./96/binderfs") = 0 [pid 5062] umount2("./96/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./96/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./96/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./96/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./96/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./96/file0") = 0 [pid 5062] umount2("./96/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./96/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./96/cgroup") = 0 [pid 5062] umount2("./96/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./96/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./96/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./96") = 0 [pid 5062] mkdir("./97", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5168 attached [pid 5168] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 99 [pid 5168] <... set_robust_list resumed>) = 0 [pid 5168] chdir("./97") = 0 [pid 5168] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5168] setpgid(0, 0) = 0 [pid 5168] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5168] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5168] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5168] write(3, "1000", 4) = 4 [pid 5168] close(3) = 0 [pid 5168] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5168] memfd_create("syzkaller", 0) = 3 [pid 5168] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5168] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5168] munmap(0x7f9497c79000, 138412032) = 0 [pid 5168] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5168] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5168] close(3) = 0 [pid 5168] mkdir("./file0", 0777) = 0 [ 141.820619][ T5168] loop0: detected capacity change from 0 to 4096 [ 141.844022][ T5168] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5168] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5168] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5168] chdir("./file0") = 0 [pid 5168] ioctl(4, LOOP_CLR_FD) = 0 [ 141.876159][ T5168] ntfs: volume version 3.1. [pid 5168] close(4) = 0 [pid 5168] creat("./file2", 000) = 4 [pid 5168] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5168] creat("./file2", 000) = 5 [pid 5168] close(3) = 0 [pid 5168] close(4) = 0 [pid 5168] close(5) = 0 [pid 5168] close(6) = -1 EBADF (Bad file descriptor) [pid 5168] close(7) = -1 EBADF (Bad file descriptor) [pid 5168] close(8) = -1 EBADF (Bad file descriptor) [pid 5168] close(9) = -1 EBADF (Bad file descriptor) [pid 5168] close(10) = -1 EBADF (Bad file descriptor) [pid 5168] close(11) = -1 EBADF (Bad file descriptor) [pid 5168] close(12) = -1 EBADF (Bad file descriptor) [pid 5168] close(13) = -1 EBADF (Bad file descriptor) [pid 5168] close(14) = -1 EBADF (Bad file descriptor) [pid 5168] close(15) = -1 EBADF (Bad file descriptor) [pid 5168] close(16) = -1 EBADF (Bad file descriptor) [pid 5168] close(17) = -1 EBADF (Bad file descriptor) [pid 5168] close(18) = -1 EBADF (Bad file descriptor) [pid 5168] close(19) = -1 EBADF (Bad file descriptor) [pid 5168] close(20) = -1 EBADF (Bad file descriptor) [pid 5168] close(21) = -1 EBADF (Bad file descriptor) [pid 5168] close(22) = -1 EBADF (Bad file descriptor) [pid 5168] close(23) = -1 EBADF (Bad file descriptor) [pid 5168] close(24) = -1 EBADF (Bad file descriptor) [pid 5168] close(25) = -1 EBADF (Bad file descriptor) [pid 5168] close(26) = -1 EBADF (Bad file descriptor) [pid 5168] close(27) = -1 EBADF (Bad file descriptor) [pid 5168] close(28) = -1 EBADF (Bad file descriptor) [pid 5168] close(29) = -1 EBADF (Bad file descriptor) [pid 5168] exit_group(0) = ? [pid 5168] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=99, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] umount2("./97", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./97/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./97/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./97/cgroup.cpu") = 0 [pid 5062] umount2("./97/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./97/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./97/binderfs") = 0 [pid 5062] umount2("./97/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./97/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./97/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./97/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./97/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./97/file0") = 0 [pid 5062] umount2("./97/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./97/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./97/cgroup") = 0 [pid 5062] umount2("./97/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./97/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./97/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./97") = 0 [pid 5062] mkdir("./98", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5169 attached , child_tidptr=0x555556e8b650) = 100 [pid 5169] set_robust_list(0x555556e8b660, 24) = 0 [pid 5169] chdir("./98") = 0 [pid 5169] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5169] setpgid(0, 0) = 0 [pid 5169] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5169] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5169] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5169] write(3, "1000", 4) = 4 [pid 5169] close(3) = 0 [pid 5169] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5169] memfd_create("syzkaller", 0) = 3 [pid 5169] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5169] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5169] munmap(0x7f9497c79000, 138412032) = 0 [pid 5169] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5169] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5169] close(3) = 0 [pid 5169] mkdir("./file0", 0777) = 0 [ 142.401839][ T5169] loop0: detected capacity change from 0 to 4096 [ 142.416277][ T5169] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5169] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5169] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5169] chdir("./file0") = 0 [pid 5169] ioctl(4, LOOP_CLR_FD) = 0 [pid 5169] close(4) = 0 [pid 5169] creat("./file2", 000) = 4 [ 142.450846][ T5169] ntfs: volume version 3.1. [pid 5169] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5169] creat("./file2", 000) = 5 [pid 5169] close(3) = 0 [pid 5169] close(4) = 0 [pid 5169] close(5) = 0 [pid 5169] close(6) = -1 EBADF (Bad file descriptor) [pid 5169] close(7) = -1 EBADF (Bad file descriptor) [pid 5169] close(8) = -1 EBADF (Bad file descriptor) [pid 5169] close(9) = -1 EBADF (Bad file descriptor) [pid 5169] close(10) = -1 EBADF (Bad file descriptor) [pid 5169] close(11) = -1 EBADF (Bad file descriptor) [pid 5169] close(12) = -1 EBADF (Bad file descriptor) [pid 5169] close(13) = -1 EBADF (Bad file descriptor) [pid 5169] close(14) = -1 EBADF (Bad file descriptor) [pid 5169] close(15) = -1 EBADF (Bad file descriptor) [pid 5169] close(16) = -1 EBADF (Bad file descriptor) [pid 5169] close(17) = -1 EBADF (Bad file descriptor) [pid 5169] close(18) = -1 EBADF (Bad file descriptor) [pid 5169] close(19) = -1 EBADF (Bad file descriptor) [pid 5169] close(20) = -1 EBADF (Bad file descriptor) [pid 5169] close(21) = -1 EBADF (Bad file descriptor) [pid 5169] close(22) = -1 EBADF (Bad file descriptor) [pid 5169] close(23) = -1 EBADF (Bad file descriptor) [pid 5169] close(24) = -1 EBADF (Bad file descriptor) [pid 5169] close(25) = -1 EBADF (Bad file descriptor) [pid 5169] close(26) = -1 EBADF (Bad file descriptor) [pid 5169] close(27) = -1 EBADF (Bad file descriptor) [pid 5169] close(28) = -1 EBADF (Bad file descriptor) [pid 5169] close(29) = -1 EBADF (Bad file descriptor) [pid 5169] exit_group(0) = ? [pid 5169] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=100, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] umount2("./98", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./98/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./98/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./98/cgroup.cpu") = 0 [pid 5062] umount2("./98/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./98/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./98/binderfs") = 0 [pid 5062] umount2("./98/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./98/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./98/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./98/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./98/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./98/file0") = 0 [pid 5062] umount2("./98/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./98/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./98/cgroup") = 0 [pid 5062] umount2("./98/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./98/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./98/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./98") = 0 [pid 5062] mkdir("./99", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5170 attached , child_tidptr=0x555556e8b650) = 101 [pid 5170] set_robust_list(0x555556e8b660, 24) = 0 [pid 5170] chdir("./99") = 0 [pid 5170] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5170] setpgid(0, 0) = 0 [pid 5170] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5170] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5170] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5170] write(3, "1000", 4) = 4 [pid 5170] close(3) = 0 [pid 5170] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5170] memfd_create("syzkaller", 0) = 3 [pid 5170] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5170] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5170] munmap(0x7f9497c79000, 138412032) = 0 [pid 5170] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5170] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5170] close(3) = 0 [pid 5170] mkdir("./file0", 0777) = 0 [ 143.060522][ T5170] loop0: detected capacity change from 0 to 4096 [ 143.080214][ T5170] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5170] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5170] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5170] chdir("./file0") = 0 [pid 5170] ioctl(4, LOOP_CLR_FD) = 0 [ 143.115239][ T5170] ntfs: volume version 3.1. [pid 5170] close(4) = 0 [pid 5170] creat("./file2", 000) = 4 [pid 5170] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5170] creat("./file2", 000) = 5 [pid 5170] close(3) = 0 [pid 5170] close(4) = 0 [pid 5170] close(5) = 0 [pid 5170] close(6) = -1 EBADF (Bad file descriptor) [pid 5170] close(7) = -1 EBADF (Bad file descriptor) [pid 5170] close(8) = -1 EBADF (Bad file descriptor) [pid 5170] close(9) = -1 EBADF (Bad file descriptor) [pid 5170] close(10) = -1 EBADF (Bad file descriptor) [pid 5170] close(11) = -1 EBADF (Bad file descriptor) [pid 5170] close(12) = -1 EBADF (Bad file descriptor) [pid 5170] close(13) = -1 EBADF (Bad file descriptor) [pid 5170] close(14) = -1 EBADF (Bad file descriptor) [pid 5170] close(15) = -1 EBADF (Bad file descriptor) [pid 5170] close(16) = -1 EBADF (Bad file descriptor) [pid 5170] close(17) = -1 EBADF (Bad file descriptor) [pid 5170] close(18) = -1 EBADF (Bad file descriptor) [pid 5170] close(19) = -1 EBADF (Bad file descriptor) [pid 5170] close(20) = -1 EBADF (Bad file descriptor) [pid 5170] close(21) = -1 EBADF (Bad file descriptor) [pid 5170] close(22) = -1 EBADF (Bad file descriptor) [pid 5170] close(23) = -1 EBADF (Bad file descriptor) [pid 5170] close(24) = -1 EBADF (Bad file descriptor) [pid 5170] close(25) = -1 EBADF (Bad file descriptor) [pid 5170] close(26) = -1 EBADF (Bad file descriptor) [pid 5170] close(27) = -1 EBADF (Bad file descriptor) [pid 5170] close(28) = -1 EBADF (Bad file descriptor) [pid 5170] close(29) = -1 EBADF (Bad file descriptor) [pid 5170] exit_group(0) = ? [pid 5170] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=101, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] umount2("./99", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./99/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./99/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./99/cgroup.cpu") = 0 [pid 5062] umount2("./99/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./99/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./99/binderfs") = 0 [pid 5062] umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./99/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./99/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./99/file0") = 0 [pid 5062] umount2("./99/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./99/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./99/cgroup") = 0 [pid 5062] umount2("./99/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./99/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./99/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./99") = 0 [pid 5062] mkdir("./100", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5171 attached [pid 5171] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 102 [pid 5171] <... set_robust_list resumed>) = 0 [pid 5171] chdir("./100") = 0 [pid 5171] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5171] setpgid(0, 0) = 0 [pid 5171] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5171] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5171] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5171] write(3, "1000", 4) = 4 [pid 5171] close(3) = 0 [pid 5171] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5171] memfd_create("syzkaller", 0) = 3 [pid 5171] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5171] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5171] munmap(0x7f9497c79000, 138412032) = 0 [pid 5171] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5171] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5171] close(3) = 0 [pid 5171] mkdir("./file0", 0777) = 0 [ 143.731023][ T5171] loop0: detected capacity change from 0 to 4096 [pid 5171] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5171] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5171] chdir("./file0") = 0 [pid 5171] ioctl(4, LOOP_CLR_FD) = 0 [pid 5171] close(4) = 0 [ 143.767909][ T5171] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [ 143.800433][ T5171] ntfs: volume version 3.1. [pid 5171] creat("./file2", 000) = 4 [pid 5171] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5171] creat("./file2", 000) = 5 [pid 5171] close(3) = 0 [pid 5171] close(4) = 0 [pid 5171] close(5) = 0 [pid 5171] close(6) = -1 EBADF (Bad file descriptor) [pid 5171] close(7) = -1 EBADF (Bad file descriptor) [pid 5171] close(8) = -1 EBADF (Bad file descriptor) [pid 5171] close(9) = -1 EBADF (Bad file descriptor) [pid 5171] close(10) = -1 EBADF (Bad file descriptor) [pid 5171] close(11) = -1 EBADF (Bad file descriptor) [pid 5171] close(12) = -1 EBADF (Bad file descriptor) [pid 5171] close(13) = -1 EBADF (Bad file descriptor) [pid 5171] close(14) = -1 EBADF (Bad file descriptor) [pid 5171] close(15) = -1 EBADF (Bad file descriptor) [pid 5171] close(16) = -1 EBADF (Bad file descriptor) [pid 5171] close(17) = -1 EBADF (Bad file descriptor) [pid 5171] close(18) = -1 EBADF (Bad file descriptor) [pid 5171] close(19) = -1 EBADF (Bad file descriptor) [pid 5171] close(20) = -1 EBADF (Bad file descriptor) [pid 5171] close(21) = -1 EBADF (Bad file descriptor) [pid 5171] close(22) = -1 EBADF (Bad file descriptor) [pid 5171] close(23) = -1 EBADF (Bad file descriptor) [pid 5171] close(24) = -1 EBADF (Bad file descriptor) [pid 5171] close(25) = -1 EBADF (Bad file descriptor) [pid 5171] close(26) = -1 EBADF (Bad file descriptor) [pid 5171] close(27) = -1 EBADF (Bad file descriptor) [pid 5171] close(28) = -1 EBADF (Bad file descriptor) [pid 5171] close(29) = -1 EBADF (Bad file descriptor) [pid 5171] exit_group(0) = ? [pid 5171] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=102, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} --- [pid 5062] umount2("./100", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./100/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./100/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./100/cgroup.cpu") = 0 [pid 5062] umount2("./100/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./100/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./100/binderfs") = 0 [pid 5062] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./100/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./100/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./100/file0") = 0 [pid 5062] umount2("./100/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./100/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./100/cgroup") = 0 [pid 5062] umount2("./100/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./100/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./100/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./100") = 0 [pid 5062] mkdir("./101", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5172 attached [pid 5172] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 103 [pid 5172] <... set_robust_list resumed>) = 0 [pid 5172] chdir("./101") = 0 [pid 5172] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5172] setpgid(0, 0) = 0 [pid 5172] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5172] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5172] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5172] write(3, "1000", 4) = 4 [pid 5172] close(3) = 0 [pid 5172] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5172] memfd_create("syzkaller", 0) = 3 [pid 5172] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5172] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5172] munmap(0x7f9497c79000, 138412032) = 0 [pid 5172] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5172] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5172] close(3) = 0 [pid 5172] mkdir("./file0", 0777) = 0 [ 144.314799][ T5172] loop0: detected capacity change from 0 to 4096 [ 144.333215][ T5172] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5172] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5172] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5172] chdir("./file0") = 0 [pid 5172] ioctl(4, LOOP_CLR_FD) = 0 [pid 5172] close(4) = 0 [pid 5172] creat("./file2", 000) = 4 [ 144.367524][ T5172] ntfs: volume version 3.1. [pid 5172] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5172] creat("./file2", 000) = 5 [pid 5172] close(3) = 0 [pid 5172] close(4) = 0 [pid 5172] close(5) = 0 [pid 5172] close(6) = -1 EBADF (Bad file descriptor) [pid 5172] close(7) = -1 EBADF (Bad file descriptor) [pid 5172] close(8) = -1 EBADF (Bad file descriptor) [pid 5172] close(9) = -1 EBADF (Bad file descriptor) [pid 5172] close(10) = -1 EBADF (Bad file descriptor) [pid 5172] close(11) = -1 EBADF (Bad file descriptor) [pid 5172] close(12) = -1 EBADF (Bad file descriptor) [pid 5172] close(13) = -1 EBADF (Bad file descriptor) [pid 5172] close(14) = -1 EBADF (Bad file descriptor) [pid 5172] close(15) = -1 EBADF (Bad file descriptor) [pid 5172] close(16) = -1 EBADF (Bad file descriptor) [pid 5172] close(17) = -1 EBADF (Bad file descriptor) [pid 5172] close(18) = -1 EBADF (Bad file descriptor) [pid 5172] close(19) = -1 EBADF (Bad file descriptor) [pid 5172] close(20) = -1 EBADF (Bad file descriptor) [pid 5172] close(21) = -1 EBADF (Bad file descriptor) [pid 5172] close(22) = -1 EBADF (Bad file descriptor) [pid 5172] close(23) = -1 EBADF (Bad file descriptor) [pid 5172] close(24) = -1 EBADF (Bad file descriptor) [pid 5172] close(25) = -1 EBADF (Bad file descriptor) [pid 5172] close(26) = -1 EBADF (Bad file descriptor) [pid 5172] close(27) = -1 EBADF (Bad file descriptor) [pid 5172] close(28) = -1 EBADF (Bad file descriptor) [pid 5172] close(29) = -1 EBADF (Bad file descriptor) [pid 5172] exit_group(0) = ? [pid 5172] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=103, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./101", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./101/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./101/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./101/cgroup.cpu") = 0 [pid 5062] umount2("./101/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./101/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./101/binderfs") = 0 [pid 5062] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./101/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./101/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./101/file0") = 0 [pid 5062] umount2("./101/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./101/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./101/cgroup") = 0 [pid 5062] umount2("./101/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./101/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./101/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./101") = 0 [pid 5062] mkdir("./102", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5173 attached , child_tidptr=0x555556e8b650) = 104 [pid 5173] set_robust_list(0x555556e8b660, 24) = 0 [pid 5173] chdir("./102") = 0 [pid 5173] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5173] setpgid(0, 0) = 0 [pid 5173] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5173] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5173] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5173] write(3, "1000", 4) = 4 [pid 5173] close(3) = 0 [pid 5173] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5173] memfd_create("syzkaller", 0) = 3 [pid 5173] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5173] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5173] munmap(0x7f9497c79000, 138412032) = 0 [pid 5173] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5173] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5173] close(3) = 0 [pid 5173] mkdir("./file0", 0777) = 0 [ 144.919027][ T5173] loop0: detected capacity change from 0 to 4096 [ 144.943210][ T5173] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5173] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5173] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5173] chdir("./file0") = 0 [pid 5173] ioctl(4, LOOP_CLR_FD) = 0 [pid 5173] close(4) = 0 [ 144.975602][ T5173] ntfs: volume version 3.1. [pid 5173] creat("./file2", 000) = 4 [pid 5173] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5173] creat("./file2", 000) = 5 [pid 5173] close(3) = 0 [pid 5173] close(4) = 0 [pid 5173] close(5) = 0 [pid 5173] close(6) = -1 EBADF (Bad file descriptor) [pid 5173] close(7) = -1 EBADF (Bad file descriptor) [pid 5173] close(8) = -1 EBADF (Bad file descriptor) [pid 5173] close(9) = -1 EBADF (Bad file descriptor) [pid 5173] close(10) = -1 EBADF (Bad file descriptor) [pid 5173] close(11) = -1 EBADF (Bad file descriptor) [pid 5173] close(12) = -1 EBADF (Bad file descriptor) [pid 5173] close(13) = -1 EBADF (Bad file descriptor) [pid 5173] close(14) = -1 EBADF (Bad file descriptor) [pid 5173] close(15) = -1 EBADF (Bad file descriptor) [pid 5173] close(16) = -1 EBADF (Bad file descriptor) [pid 5173] close(17) = -1 EBADF (Bad file descriptor) [pid 5173] close(18) = -1 EBADF (Bad file descriptor) [pid 5173] close(19) = -1 EBADF (Bad file descriptor) [pid 5173] close(20) = -1 EBADF (Bad file descriptor) [pid 5173] close(21) = -1 EBADF (Bad file descriptor) [pid 5173] close(22) = -1 EBADF (Bad file descriptor) [pid 5173] close(23) = -1 EBADF (Bad file descriptor) [pid 5173] close(24) = -1 EBADF (Bad file descriptor) [pid 5173] close(25) = -1 EBADF (Bad file descriptor) [pid 5173] close(26) = -1 EBADF (Bad file descriptor) [pid 5173] close(27) = -1 EBADF (Bad file descriptor) [pid 5173] close(28) = -1 EBADF (Bad file descriptor) [pid 5173] close(29) = -1 EBADF (Bad file descriptor) [pid 5173] exit_group(0) = ? [pid 5173] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=104, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./102", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./102/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./102/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./102/cgroup.cpu") = 0 [pid 5062] umount2("./102/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./102/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./102/binderfs") = 0 [pid 5062] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./102/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./102/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./102/file0") = 0 [pid 5062] umount2("./102/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./102/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./102/cgroup") = 0 [pid 5062] umount2("./102/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./102/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./102/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./102") = 0 [pid 5062] mkdir("./103", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5174 attached [pid 5174] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 105 [pid 5174] <... set_robust_list resumed>) = 0 [pid 5174] chdir("./103") = 0 [pid 5174] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5174] setpgid(0, 0) = 0 [pid 5174] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5174] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5174] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5174] write(3, "1000", 4) = 4 [pid 5174] close(3) = 0 [pid 5174] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5174] memfd_create("syzkaller", 0) = 3 [pid 5174] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5174] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5174] munmap(0x7f9497c79000, 138412032) = 0 [pid 5174] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5174] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5174] close(3) = 0 [pid 5174] mkdir("./file0", 0777) = 0 [ 145.515789][ T5174] loop0: detected capacity change from 0 to 4096 [pid 5174] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5174] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5174] chdir("./file0") = 0 [ 145.548971][ T5174] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [ 145.583440][ T5174] ntfs: volume version 3.1. [pid 5174] ioctl(4, LOOP_CLR_FD) = 0 [pid 5174] close(4) = 0 [pid 5174] creat("./file2", 000) = 4 [pid 5174] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5174] creat("./file2", 000) = 5 [pid 5174] close(3) = 0 [pid 5174] close(4) = 0 [pid 5174] close(5) = 0 [pid 5174] close(6) = -1 EBADF (Bad file descriptor) [pid 5174] close(7) = -1 EBADF (Bad file descriptor) [pid 5174] close(8) = -1 EBADF (Bad file descriptor) [pid 5174] close(9) = -1 EBADF (Bad file descriptor) [pid 5174] close(10) = -1 EBADF (Bad file descriptor) [pid 5174] close(11) = -1 EBADF (Bad file descriptor) [pid 5174] close(12) = -1 EBADF (Bad file descriptor) [pid 5174] close(13) = -1 EBADF (Bad file descriptor) [pid 5174] close(14) = -1 EBADF (Bad file descriptor) [pid 5174] close(15) = -1 EBADF (Bad file descriptor) [pid 5174] close(16) = -1 EBADF (Bad file descriptor) [pid 5174] close(17) = -1 EBADF (Bad file descriptor) [pid 5174] close(18) = -1 EBADF (Bad file descriptor) [pid 5174] close(19) = -1 EBADF (Bad file descriptor) [pid 5174] close(20) = -1 EBADF (Bad file descriptor) [pid 5174] close(21) = -1 EBADF (Bad file descriptor) [pid 5174] close(22) = -1 EBADF (Bad file descriptor) [pid 5174] close(23) = -1 EBADF (Bad file descriptor) [pid 5174] close(24) = -1 EBADF (Bad file descriptor) [pid 5174] close(25) = -1 EBADF (Bad file descriptor) [pid 5174] close(26) = -1 EBADF (Bad file descriptor) [pid 5174] close(27) = -1 EBADF (Bad file descriptor) [pid 5174] close(28) = -1 EBADF (Bad file descriptor) [pid 5174] close(29) = -1 EBADF (Bad file descriptor) [pid 5174] exit_group(0) = ? [pid 5174] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=105, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./103", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./103/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./103/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./103/cgroup.cpu") = 0 [pid 5062] umount2("./103/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./103/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./103/binderfs") = 0 [pid 5062] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./103/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./103/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./103/file0") = 0 [pid 5062] umount2("./103/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./103/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./103/cgroup") = 0 [pid 5062] umount2("./103/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./103/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./103/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./103") = 0 [pid 5062] mkdir("./104", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5175 attached [pid 5175] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 106 [pid 5175] <... set_robust_list resumed>) = 0 [pid 5175] chdir("./104") = 0 [pid 5175] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5175] setpgid(0, 0) = 0 [pid 5175] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5175] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5175] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5175] write(3, "1000", 4) = 4 [pid 5175] close(3) = 0 [pid 5175] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5175] memfd_create("syzkaller", 0) = 3 [pid 5175] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5175] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5175] munmap(0x7f9497c79000, 138412032) = 0 [pid 5175] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5175] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5175] close(3) = 0 [pid 5175] mkdir("./file0", 0777) = 0 [ 146.183505][ T5175] loop0: detected capacity change from 0 to 4096 [pid 5175] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5175] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5175] chdir("./file0") = 0 [pid 5175] ioctl(4, LOOP_CLR_FD) = 0 [pid 5175] close(4) = 0 [pid 5175] creat("./file2", 000) = 4 [ 146.218918][ T5175] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [ 146.251569][ T5175] ntfs: volume version 3.1. [pid 5175] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5175] creat("./file2", 000) = 5 [pid 5175] close(3) = 0 [pid 5175] close(4) = 0 [pid 5175] close(5) = 0 [pid 5175] close(6) = -1 EBADF (Bad file descriptor) [pid 5175] close(7) = -1 EBADF (Bad file descriptor) [pid 5175] close(8) = -1 EBADF (Bad file descriptor) [pid 5175] close(9) = -1 EBADF (Bad file descriptor) [pid 5175] close(10) = -1 EBADF (Bad file descriptor) [pid 5175] close(11) = -1 EBADF (Bad file descriptor) [pid 5175] close(12) = -1 EBADF (Bad file descriptor) [pid 5175] close(13) = -1 EBADF (Bad file descriptor) [pid 5175] close(14) = -1 EBADF (Bad file descriptor) [pid 5175] close(15) = -1 EBADF (Bad file descriptor) [pid 5175] close(16) = -1 EBADF (Bad file descriptor) [pid 5175] close(17) = -1 EBADF (Bad file descriptor) [pid 5175] close(18) = -1 EBADF (Bad file descriptor) [pid 5175] close(19) = -1 EBADF (Bad file descriptor) [pid 5175] close(20) = -1 EBADF (Bad file descriptor) [pid 5175] close(21) = -1 EBADF (Bad file descriptor) [pid 5175] close(22) = -1 EBADF (Bad file descriptor) [pid 5175] close(23) = -1 EBADF (Bad file descriptor) [pid 5175] close(24) = -1 EBADF (Bad file descriptor) [pid 5175] close(25) = -1 EBADF (Bad file descriptor) [pid 5175] close(26) = -1 EBADF (Bad file descriptor) [pid 5175] close(27) = -1 EBADF (Bad file descriptor) [pid 5175] close(28) = -1 EBADF (Bad file descriptor) [pid 5175] close(29) = -1 EBADF (Bad file descriptor) [pid 5175] exit_group(0) = ? [pid 5175] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=106, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5062] umount2("./104", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./104/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./104/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./104/cgroup.cpu") = 0 [pid 5062] umount2("./104/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./104/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./104/binderfs") = 0 [pid 5062] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./104/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./104/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./104/file0") = 0 [pid 5062] umount2("./104/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./104/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./104/cgroup") = 0 [pid 5062] umount2("./104/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./104/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./104/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./104") = 0 [pid 5062] mkdir("./105", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5176 attached [pid 5176] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 107 [pid 5176] <... set_robust_list resumed>) = 0 [pid 5176] chdir("./105") = 0 [pid 5176] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5176] setpgid(0, 0) = 0 [pid 5176] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5176] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5176] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5176] write(3, "1000", 4) = 4 [pid 5176] close(3) = 0 [pid 5176] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5176] memfd_create("syzkaller", 0) = 3 [pid 5176] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5176] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5176] munmap(0x7f9497c79000, 138412032) = 0 [pid 5176] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5176] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5176] close(3) = 0 [pid 5176] mkdir("./file0", 0777) = 0 [ 146.773154][ T5176] loop0: detected capacity change from 0 to 4096 [ 146.787427][ T5176] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5176] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5176] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5176] chdir("./file0") = 0 [pid 5176] ioctl(4, LOOP_CLR_FD) = 0 [pid 5176] close(4) = 0 [ 146.819868][ T5176] ntfs: volume version 3.1. [pid 5176] creat("./file2", 000) = 4 [pid 5176] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5176] creat("./file2", 000) = 5 [pid 5176] close(3) = 0 [pid 5176] close(4) = 0 [pid 5176] close(5) = 0 [pid 5176] close(6) = -1 EBADF (Bad file descriptor) [pid 5176] close(7) = -1 EBADF (Bad file descriptor) [pid 5176] close(8) = -1 EBADF (Bad file descriptor) [pid 5176] close(9) = -1 EBADF (Bad file descriptor) [pid 5176] close(10) = -1 EBADF (Bad file descriptor) [pid 5176] close(11) = -1 EBADF (Bad file descriptor) [pid 5176] close(12) = -1 EBADF (Bad file descriptor) [pid 5176] close(13) = -1 EBADF (Bad file descriptor) [pid 5176] close(14) = -1 EBADF (Bad file descriptor) [pid 5176] close(15) = -1 EBADF (Bad file descriptor) [pid 5176] close(16) = -1 EBADF (Bad file descriptor) [pid 5176] close(17) = -1 EBADF (Bad file descriptor) [pid 5176] close(18) = -1 EBADF (Bad file descriptor) [pid 5176] close(19) = -1 EBADF (Bad file descriptor) [pid 5176] close(20) = -1 EBADF (Bad file descriptor) [pid 5176] close(21) = -1 EBADF (Bad file descriptor) [pid 5176] close(22) = -1 EBADF (Bad file descriptor) [pid 5176] close(23) = -1 EBADF (Bad file descriptor) [pid 5176] close(24) = -1 EBADF (Bad file descriptor) [pid 5176] close(25) = -1 EBADF (Bad file descriptor) [pid 5176] close(26) = -1 EBADF (Bad file descriptor) [pid 5176] close(27) = -1 EBADF (Bad file descriptor) [pid 5176] close(28) = -1 EBADF (Bad file descriptor) [pid 5176] close(29) = -1 EBADF (Bad file descriptor) [pid 5176] exit_group(0) = ? [pid 5176] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=107, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] umount2("./105", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./105/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./105/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./105/cgroup.cpu") = 0 [pid 5062] umount2("./105/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./105/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./105/binderfs") = 0 [pid 5062] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./105/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./105/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./105/file0") = 0 [pid 5062] umount2("./105/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./105/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./105/cgroup") = 0 [pid 5062] umount2("./105/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./105/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./105/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./105") = 0 [pid 5062] mkdir("./106", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5177 attached [pid 5177] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 108 [pid 5177] <... set_robust_list resumed>) = 0 [pid 5177] chdir("./106") = 0 [pid 5177] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5177] setpgid(0, 0) = 0 [pid 5177] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5177] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5177] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5177] write(3, "1000", 4) = 4 [pid 5177] close(3) = 0 [pid 5177] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5177] memfd_create("syzkaller", 0) = 3 [pid 5177] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5177] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5177] munmap(0x7f9497c79000, 138412032) = 0 [pid 5177] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5177] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5177] close(3) = 0 [pid 5177] mkdir("./file0", 0777) = 0 [ 147.420707][ T5177] loop0: detected capacity change from 0 to 4096 [ 147.440257][ T5177] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5177] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5177] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5177] chdir("./file0") = 0 [pid 5177] ioctl(4, LOOP_CLR_FD) = 0 [pid 5177] close(4) = 0 [ 147.474699][ T5177] ntfs: volume version 3.1. [pid 5177] creat("./file2", 000) = 4 [pid 5177] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5177] creat("./file2", 000) = 5 [pid 5177] close(3) = 0 [pid 5177] close(4) = 0 [pid 5177] close(5) = 0 [pid 5177] close(6) = -1 EBADF (Bad file descriptor) [pid 5177] close(7) = -1 EBADF (Bad file descriptor) [pid 5177] close(8) = -1 EBADF (Bad file descriptor) [pid 5177] close(9) = -1 EBADF (Bad file descriptor) [pid 5177] close(10) = -1 EBADF (Bad file descriptor) [pid 5177] close(11) = -1 EBADF (Bad file descriptor) [pid 5177] close(12) = -1 EBADF (Bad file descriptor) [pid 5177] close(13) = -1 EBADF (Bad file descriptor) [pid 5177] close(14) = -1 EBADF (Bad file descriptor) [pid 5177] close(15) = -1 EBADF (Bad file descriptor) [pid 5177] close(16) = -1 EBADF (Bad file descriptor) [pid 5177] close(17) = -1 EBADF (Bad file descriptor) [pid 5177] close(18) = -1 EBADF (Bad file descriptor) [pid 5177] close(19) = -1 EBADF (Bad file descriptor) [pid 5177] close(20) = -1 EBADF (Bad file descriptor) [pid 5177] close(21) = -1 EBADF (Bad file descriptor) [pid 5177] close(22) = -1 EBADF (Bad file descriptor) [pid 5177] close(23) = -1 EBADF (Bad file descriptor) [pid 5177] close(24) = -1 EBADF (Bad file descriptor) [pid 5177] close(25) = -1 EBADF (Bad file descriptor) [pid 5177] close(26) = -1 EBADF (Bad file descriptor) [pid 5177] close(27) = -1 EBADF (Bad file descriptor) [pid 5177] close(28) = -1 EBADF (Bad file descriptor) [pid 5177] close(29) = -1 EBADF (Bad file descriptor) [pid 5177] exit_group(0) = ? [pid 5177] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=108, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./106", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./106/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./106/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./106/cgroup.cpu") = 0 [pid 5062] umount2("./106/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./106/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./106/binderfs") = 0 [pid 5062] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./106/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./106/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./106/file0") = 0 [pid 5062] umount2("./106/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./106/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./106/cgroup") = 0 [pid 5062] umount2("./106/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./106/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./106/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./106") = 0 [pid 5062] mkdir("./107", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5178 attached [pid 5178] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 109 [pid 5178] <... set_robust_list resumed>) = 0 [pid 5178] chdir("./107") = 0 [pid 5178] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5178] setpgid(0, 0) = 0 [pid 5178] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5178] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5178] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5178] write(3, "1000", 4) = 4 [pid 5178] close(3) = 0 [pid 5178] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5178] memfd_create("syzkaller", 0) = 3 [pid 5178] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5178] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5178] munmap(0x7f9497c79000, 138412032) = 0 [pid 5178] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5178] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5178] close(3) = 0 [pid 5178] mkdir("./file0", 0777) = 0 [ 147.999113][ T5178] loop0: detected capacity change from 0 to 4096 [ 148.026105][ T5178] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5178] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5178] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5178] chdir("./file0") = 0 [pid 5178] ioctl(4, LOOP_CLR_FD) = 0 [pid 5178] close(4) = 0 [ 148.058001][ T5178] ntfs: volume version 3.1. [pid 5178] creat("./file2", 000) = 4 [pid 5178] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5178] creat("./file2", 000) = 5 [pid 5178] close(3) = 0 [pid 5178] close(4) = 0 [pid 5178] close(5) = 0 [pid 5178] close(6) = -1 EBADF (Bad file descriptor) [pid 5178] close(7) = -1 EBADF (Bad file descriptor) [pid 5178] close(8) = -1 EBADF (Bad file descriptor) [pid 5178] close(9) = -1 EBADF (Bad file descriptor) [pid 5178] close(10) = -1 EBADF (Bad file descriptor) [pid 5178] close(11) = -1 EBADF (Bad file descriptor) [pid 5178] close(12) = -1 EBADF (Bad file descriptor) [pid 5178] close(13) = -1 EBADF (Bad file descriptor) [pid 5178] close(14) = -1 EBADF (Bad file descriptor) [pid 5178] close(15) = -1 EBADF (Bad file descriptor) [pid 5178] close(16) = -1 EBADF (Bad file descriptor) [pid 5178] close(17) = -1 EBADF (Bad file descriptor) [pid 5178] close(18) = -1 EBADF (Bad file descriptor) [pid 5178] close(19) = -1 EBADF (Bad file descriptor) [pid 5178] close(20) = -1 EBADF (Bad file descriptor) [pid 5178] close(21) = -1 EBADF (Bad file descriptor) [pid 5178] close(22) = -1 EBADF (Bad file descriptor) [pid 5178] close(23) = -1 EBADF (Bad file descriptor) [pid 5178] close(24) = -1 EBADF (Bad file descriptor) [pid 5178] close(25) = -1 EBADF (Bad file descriptor) [pid 5178] close(26) = -1 EBADF (Bad file descriptor) [pid 5178] close(27) = -1 EBADF (Bad file descriptor) [pid 5178] close(28) = -1 EBADF (Bad file descriptor) [pid 5178] close(29) = -1 EBADF (Bad file descriptor) [pid 5178] exit_group(0) = ? [pid 5178] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=109, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./107", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./107/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./107/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./107/cgroup.cpu") = 0 [pid 5062] umount2("./107/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./107/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./107/binderfs") = 0 [pid 5062] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./107/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./107/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./107/file0") = 0 [pid 5062] umount2("./107/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./107/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./107/cgroup") = 0 [pid 5062] umount2("./107/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./107/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./107/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./107") = 0 [pid 5062] mkdir("./108", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5179 attached [pid 5179] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 110 [pid 5179] <... set_robust_list resumed>) = 0 [pid 5179] chdir("./108") = 0 [pid 5179] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5179] setpgid(0, 0) = 0 [pid 5179] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5179] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5179] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5179] write(3, "1000", 4) = 4 [pid 5179] close(3) = 0 [pid 5179] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5179] memfd_create("syzkaller", 0) = 3 [pid 5179] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5179] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5179] munmap(0x7f9497c79000, 138412032) = 0 [pid 5179] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5179] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5179] close(3) = 0 [pid 5179] mkdir("./file0", 0777) = 0 [ 148.544911][ T5179] loop0: detected capacity change from 0 to 4096 [ 148.572014][ T5179] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5179] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5179] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5179] chdir("./file0") = 0 [pid 5179] ioctl(4, LOOP_CLR_FD) = 0 [pid 5179] close(4) = 0 [pid 5179] creat("./file2", 000) = 4 [ 148.606333][ T5179] ntfs: volume version 3.1. [pid 5179] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5179] creat("./file2", 000) = 5 [pid 5179] close(3) = 0 [pid 5179] close(4) = 0 [pid 5179] close(5) = 0 [pid 5179] close(6) = -1 EBADF (Bad file descriptor) [pid 5179] close(7) = -1 EBADF (Bad file descriptor) [pid 5179] close(8) = -1 EBADF (Bad file descriptor) [pid 5179] close(9) = -1 EBADF (Bad file descriptor) [pid 5179] close(10) = -1 EBADF (Bad file descriptor) [pid 5179] close(11) = -1 EBADF (Bad file descriptor) [pid 5179] close(12) = -1 EBADF (Bad file descriptor) [pid 5179] close(13) = -1 EBADF (Bad file descriptor) [pid 5179] close(14) = -1 EBADF (Bad file descriptor) [pid 5179] close(15) = -1 EBADF (Bad file descriptor) [pid 5179] close(16) = -1 EBADF (Bad file descriptor) [pid 5179] close(17) = -1 EBADF (Bad file descriptor) [pid 5179] close(18) = -1 EBADF (Bad file descriptor) [pid 5179] close(19) = -1 EBADF (Bad file descriptor) [pid 5179] close(20) = -1 EBADF (Bad file descriptor) [pid 5179] close(21) = -1 EBADF (Bad file descriptor) [pid 5179] close(22) = -1 EBADF (Bad file descriptor) [pid 5179] close(23) = -1 EBADF (Bad file descriptor) [pid 5179] close(24) = -1 EBADF (Bad file descriptor) [pid 5179] close(25) = -1 EBADF (Bad file descriptor) [pid 5179] close(26) = -1 EBADF (Bad file descriptor) [pid 5179] close(27) = -1 EBADF (Bad file descriptor) [pid 5179] close(28) = -1 EBADF (Bad file descriptor) [pid 5179] close(29) = -1 EBADF (Bad file descriptor) [pid 5179] exit_group(0) = ? [pid 5179] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=110, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5062] umount2("./108", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./108/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./108/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./108/cgroup.cpu") = 0 [pid 5062] umount2("./108/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./108/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./108/binderfs") = 0 [pid 5062] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./108/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./108/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./108/file0") = 0 [pid 5062] umount2("./108/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./108/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./108/cgroup") = 0 [pid 5062] umount2("./108/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./108/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./108/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./108") = 0 [pid 5062] mkdir("./109", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5180 attached [pid 5180] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 111 [pid 5180] <... set_robust_list resumed>) = 0 [pid 5180] chdir("./109") = 0 [pid 5180] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5180] setpgid(0, 0) = 0 [pid 5180] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5180] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5180] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5180] write(3, "1000", 4) = 4 [pid 5180] close(3) = 0 [pid 5180] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5180] memfd_create("syzkaller", 0) = 3 [pid 5180] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5180] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5180] munmap(0x7f9497c79000, 138412032) = 0 [pid 5180] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5180] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5180] close(3) = 0 [pid 5180] mkdir("./file0", 0777) = 0 [ 149.110511][ T5180] loop0: detected capacity change from 0 to 4096 [ 149.130710][ T5180] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5180] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5180] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5180] chdir("./file0") = 0 [pid 5180] ioctl(4, LOOP_CLR_FD) = 0 [ 149.163920][ T5180] ntfs: volume version 3.1. [pid 5180] close(4) = 0 [pid 5180] creat("./file2", 000) = 4 [pid 5180] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5180] creat("./file2", 000) = 5 [pid 5180] close(3) = 0 [pid 5180] close(4) = 0 [pid 5180] close(5) = 0 [pid 5180] close(6) = -1 EBADF (Bad file descriptor) [pid 5180] close(7) = -1 EBADF (Bad file descriptor) [pid 5180] close(8) = -1 EBADF (Bad file descriptor) [pid 5180] close(9) = -1 EBADF (Bad file descriptor) [pid 5180] close(10) = -1 EBADF (Bad file descriptor) [pid 5180] close(11) = -1 EBADF (Bad file descriptor) [pid 5180] close(12) = -1 EBADF (Bad file descriptor) [pid 5180] close(13) = -1 EBADF (Bad file descriptor) [pid 5180] close(14) = -1 EBADF (Bad file descriptor) [pid 5180] close(15) = -1 EBADF (Bad file descriptor) [pid 5180] close(16) = -1 EBADF (Bad file descriptor) [pid 5180] close(17) = -1 EBADF (Bad file descriptor) [pid 5180] close(18) = -1 EBADF (Bad file descriptor) [pid 5180] close(19) = -1 EBADF (Bad file descriptor) [pid 5180] close(20) = -1 EBADF (Bad file descriptor) [pid 5180] close(21) = -1 EBADF (Bad file descriptor) [pid 5180] close(22) = -1 EBADF (Bad file descriptor) [pid 5180] close(23) = -1 EBADF (Bad file descriptor) [pid 5180] close(24) = -1 EBADF (Bad file descriptor) [pid 5180] close(25) = -1 EBADF (Bad file descriptor) [pid 5180] close(26) = -1 EBADF (Bad file descriptor) [pid 5180] close(27) = -1 EBADF (Bad file descriptor) [pid 5180] close(28) = -1 EBADF (Bad file descriptor) [pid 5180] close(29) = -1 EBADF (Bad file descriptor) [pid 5180] exit_group(0) = ? [pid 5180] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=111, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] umount2("./109", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./109/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./109/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./109/cgroup.cpu") = 0 [pid 5062] umount2("./109/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./109/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./109/binderfs") = 0 [pid 5062] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./109/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./109/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./109/file0") = 0 [pid 5062] umount2("./109/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./109/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./109/cgroup") = 0 [pid 5062] umount2("./109/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./109/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./109/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./109") = 0 [pid 5062] mkdir("./110", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5181 attached [pid 5181] set_robust_list(0x555556e8b660, 24) = 0 [pid 5181] chdir("./110" [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 112 [pid 5181] <... chdir resumed>) = 0 [pid 5181] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5181] setpgid(0, 0) = 0 [pid 5181] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5181] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5181] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5181] write(3, "1000", 4) = 4 [pid 5181] close(3) = 0 [pid 5181] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5181] memfd_create("syzkaller", 0) = 3 [pid 5181] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5181] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5181] munmap(0x7f9497c79000, 138412032) = 0 [pid 5181] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5181] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5181] close(3) = 0 [pid 5181] mkdir("./file0", 0777) = 0 [ 149.718900][ T5181] loop0: detected capacity change from 0 to 4096 [ 149.734165][ T5181] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5181] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5181] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5181] chdir("./file0") = 0 [pid 5181] ioctl(4, LOOP_CLR_FD) = 0 [ 149.769025][ T5181] ntfs: volume version 3.1. [pid 5181] close(4) = 0 [pid 5181] creat("./file2", 000) = 4 [pid 5181] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5181] creat("./file2", 000) = 5 [pid 5181] close(3) = 0 [pid 5181] close(4) = 0 [pid 5181] close(5) = 0 [pid 5181] close(6) = -1 EBADF (Bad file descriptor) [pid 5181] close(7) = -1 EBADF (Bad file descriptor) [pid 5181] close(8) = -1 EBADF (Bad file descriptor) [pid 5181] close(9) = -1 EBADF (Bad file descriptor) [pid 5181] close(10) = -1 EBADF (Bad file descriptor) [pid 5181] close(11) = -1 EBADF (Bad file descriptor) [pid 5181] close(12) = -1 EBADF (Bad file descriptor) [pid 5181] close(13) = -1 EBADF (Bad file descriptor) [pid 5181] close(14) = -1 EBADF (Bad file descriptor) [pid 5181] close(15) = -1 EBADF (Bad file descriptor) [pid 5181] close(16) = -1 EBADF (Bad file descriptor) [pid 5181] close(17) = -1 EBADF (Bad file descriptor) [pid 5181] close(18) = -1 EBADF (Bad file descriptor) [pid 5181] close(19) = -1 EBADF (Bad file descriptor) [pid 5181] close(20) = -1 EBADF (Bad file descriptor) [pid 5181] close(21) = -1 EBADF (Bad file descriptor) [pid 5181] close(22) = -1 EBADF (Bad file descriptor) [pid 5181] close(23) = -1 EBADF (Bad file descriptor) [pid 5181] close(24) = -1 EBADF (Bad file descriptor) [pid 5181] close(25) = -1 EBADF (Bad file descriptor) [pid 5181] close(26) = -1 EBADF (Bad file descriptor) [pid 5181] close(27) = -1 EBADF (Bad file descriptor) [pid 5181] close(28) = -1 EBADF (Bad file descriptor) [pid 5181] close(29) = -1 EBADF (Bad file descriptor) [pid 5181] exit_group(0) = ? [pid 5181] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=112, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] umount2("./110", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./110/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./110/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./110/cgroup.cpu") = 0 [pid 5062] umount2("./110/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./110/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./110/binderfs") = 0 [pid 5062] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./110/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./110/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./110/file0") = 0 [pid 5062] umount2("./110/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./110/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./110/cgroup") = 0 [pid 5062] umount2("./110/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./110/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./110/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./110") = 0 [pid 5062] mkdir("./111", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5182 attached [pid 5182] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 113 [pid 5182] <... set_robust_list resumed>) = 0 [pid 5182] chdir("./111") = 0 [pid 5182] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5182] setpgid(0, 0) = 0 [pid 5182] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5182] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5182] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5182] write(3, "1000", 4) = 4 [pid 5182] close(3) = 0 [pid 5182] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5182] memfd_create("syzkaller", 0) = 3 [pid 5182] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5182] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5182] munmap(0x7f9497c79000, 138412032) = 0 [pid 5182] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5182] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5182] close(3) = 0 [pid 5182] mkdir("./file0", 0777) = 0 [ 150.428096][ T5182] loop0: detected capacity change from 0 to 4096 [ 150.452833][ T5182] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5182] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5182] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5182] chdir("./file0") = 0 [pid 5182] ioctl(4, LOOP_CLR_FD) = 0 [ 150.488320][ T5182] ntfs: volume version 3.1. [pid 5182] close(4) = 0 [pid 5182] creat("./file2", 000) = 4 [pid 5182] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5182] creat("./file2", 000) = 5 [pid 5182] close(3) = 0 [pid 5182] close(4) = 0 [pid 5182] close(5) = 0 [pid 5182] close(6) = -1 EBADF (Bad file descriptor) [pid 5182] close(7) = -1 EBADF (Bad file descriptor) [pid 5182] close(8) = -1 EBADF (Bad file descriptor) [pid 5182] close(9) = -1 EBADF (Bad file descriptor) [pid 5182] close(10) = -1 EBADF (Bad file descriptor) [pid 5182] close(11) = -1 EBADF (Bad file descriptor) [pid 5182] close(12) = -1 EBADF (Bad file descriptor) [pid 5182] close(13) = -1 EBADF (Bad file descriptor) [pid 5182] close(14) = -1 EBADF (Bad file descriptor) [pid 5182] close(15) = -1 EBADF (Bad file descriptor) [pid 5182] close(16) = -1 EBADF (Bad file descriptor) [pid 5182] close(17) = -1 EBADF (Bad file descriptor) [pid 5182] close(18) = -1 EBADF (Bad file descriptor) [pid 5182] close(19) = -1 EBADF (Bad file descriptor) [pid 5182] close(20) = -1 EBADF (Bad file descriptor) [pid 5182] close(21) = -1 EBADF (Bad file descriptor) [pid 5182] close(22) = -1 EBADF (Bad file descriptor) [pid 5182] close(23) = -1 EBADF (Bad file descriptor) [pid 5182] close(24) = -1 EBADF (Bad file descriptor) [pid 5182] close(25) = -1 EBADF (Bad file descriptor) [pid 5182] close(26) = -1 EBADF (Bad file descriptor) [pid 5182] close(27) = -1 EBADF (Bad file descriptor) [pid 5182] close(28) = -1 EBADF (Bad file descriptor) [pid 5182] close(29) = -1 EBADF (Bad file descriptor) [pid 5182] exit_group(0) = ? [pid 5182] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=113, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./111", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./111/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./111/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./111/cgroup.cpu") = 0 [pid 5062] umount2("./111/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./111/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./111/binderfs") = 0 [pid 5062] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./111/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./111/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./111/file0") = 0 [pid 5062] umount2("./111/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./111/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./111/cgroup") = 0 [pid 5062] umount2("./111/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./111/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./111/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./111") = 0 [pid 5062] mkdir("./112", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5183 attached [pid 5183] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 114 [pid 5183] <... set_robust_list resumed>) = 0 [pid 5183] chdir("./112") = 0 [pid 5183] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5183] setpgid(0, 0) = 0 [pid 5183] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5183] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5183] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5183] write(3, "1000", 4) = 4 [pid 5183] close(3) = 0 [pid 5183] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5183] memfd_create("syzkaller", 0) = 3 [pid 5183] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5183] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5183] munmap(0x7f9497c79000, 138412032) = 0 [pid 5183] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5183] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5183] close(3) = 0 [pid 5183] mkdir("./file0", 0777) = 0 [pid 5183] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5183] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5183] chdir("./file0") = 0 [pid 5183] ioctl(4, LOOP_CLR_FD) = 0 [ 151.141229][ T5183] loop0: detected capacity change from 0 to 4096 [ 151.152134][ T5183] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [ 151.184125][ T5183] ntfs: volume version 3.1. [pid 5183] close(4) = 0 [pid 5183] creat("./file2", 000) = 4 [pid 5183] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5183] creat("./file2", 000) = 5 [pid 5183] close(3) = 0 [pid 5183] close(4) = 0 [pid 5183] close(5) = 0 [pid 5183] close(6) = -1 EBADF (Bad file descriptor) [pid 5183] close(7) = -1 EBADF (Bad file descriptor) [pid 5183] close(8) = -1 EBADF (Bad file descriptor) [pid 5183] close(9) = -1 EBADF (Bad file descriptor) [pid 5183] close(10) = -1 EBADF (Bad file descriptor) [pid 5183] close(11) = -1 EBADF (Bad file descriptor) [pid 5183] close(12) = -1 EBADF (Bad file descriptor) [pid 5183] close(13) = -1 EBADF (Bad file descriptor) [pid 5183] close(14) = -1 EBADF (Bad file descriptor) [pid 5183] close(15) = -1 EBADF (Bad file descriptor) [pid 5183] close(16) = -1 EBADF (Bad file descriptor) [pid 5183] close(17) = -1 EBADF (Bad file descriptor) [pid 5183] close(18) = -1 EBADF (Bad file descriptor) [pid 5183] close(19) = -1 EBADF (Bad file descriptor) [pid 5183] close(20) = -1 EBADF (Bad file descriptor) [pid 5183] close(21) = -1 EBADF (Bad file descriptor) [pid 5183] close(22) = -1 EBADF (Bad file descriptor) [pid 5183] close(23) = -1 EBADF (Bad file descriptor) [pid 5183] close(24) = -1 EBADF (Bad file descriptor) [pid 5183] close(25) = -1 EBADF (Bad file descriptor) [pid 5183] close(26) = -1 EBADF (Bad file descriptor) [pid 5183] close(27) = -1 EBADF (Bad file descriptor) [pid 5183] close(28) = -1 EBADF (Bad file descriptor) [pid 5183] close(29) = -1 EBADF (Bad file descriptor) [pid 5183] exit_group(0) = ? [pid 5183] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=114, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=7 /* 0.07 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./112", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./112/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./112/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./112/cgroup.cpu") = 0 [pid 5062] umount2("./112/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./112/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./112/binderfs") = 0 [pid 5062] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./112/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./112/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./112/file0") = 0 [pid 5062] umount2("./112/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./112/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./112/cgroup") = 0 [pid 5062] umount2("./112/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./112/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./112/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./112") = 0 [pid 5062] mkdir("./113", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5184 attached [pid 5184] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 115 [pid 5184] <... set_robust_list resumed>) = 0 [pid 5184] chdir("./113") = 0 [pid 5184] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5184] setpgid(0, 0) = 0 [pid 5184] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5184] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5184] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5184] write(3, "1000", 4) = 4 [pid 5184] close(3) = 0 [pid 5184] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5184] memfd_create("syzkaller", 0) = 3 [pid 5184] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5184] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5184] munmap(0x7f9497c79000, 138412032) = 0 [pid 5184] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5184] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5184] close(3) = 0 [pid 5184] mkdir("./file0", 0777) = 0 [ 151.737651][ T5184] loop0: detected capacity change from 0 to 4096 [ 151.765363][ T5184] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5184] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5184] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5184] chdir("./file0") = 0 [pid 5184] ioctl(4, LOOP_CLR_FD) = 0 [ 151.800575][ T5184] ntfs: volume version 3.1. [pid 5184] close(4) = 0 [pid 5184] creat("./file2", 000) = 4 [pid 5184] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5184] creat("./file2", 000) = 5 [pid 5184] close(3) = 0 [pid 5184] close(4) = 0 [pid 5184] close(5) = 0 [pid 5184] close(6) = -1 EBADF (Bad file descriptor) [pid 5184] close(7) = -1 EBADF (Bad file descriptor) [pid 5184] close(8) = -1 EBADF (Bad file descriptor) [pid 5184] close(9) = -1 EBADF (Bad file descriptor) [pid 5184] close(10) = -1 EBADF (Bad file descriptor) [pid 5184] close(11) = -1 EBADF (Bad file descriptor) [pid 5184] close(12) = -1 EBADF (Bad file descriptor) [pid 5184] close(13) = -1 EBADF (Bad file descriptor) [pid 5184] close(14) = -1 EBADF (Bad file descriptor) [pid 5184] close(15) = -1 EBADF (Bad file descriptor) [pid 5184] close(16) = -1 EBADF (Bad file descriptor) [pid 5184] close(17) = -1 EBADF (Bad file descriptor) [pid 5184] close(18) = -1 EBADF (Bad file descriptor) [pid 5184] close(19) = -1 EBADF (Bad file descriptor) [pid 5184] close(20) = -1 EBADF (Bad file descriptor) [pid 5184] close(21) = -1 EBADF (Bad file descriptor) [pid 5184] close(22) = -1 EBADF (Bad file descriptor) [pid 5184] close(23) = -1 EBADF (Bad file descriptor) [pid 5184] close(24) = -1 EBADF (Bad file descriptor) [pid 5184] close(25) = -1 EBADF (Bad file descriptor) [pid 5184] close(26) = -1 EBADF (Bad file descriptor) [pid 5184] close(27) = -1 EBADF (Bad file descriptor) [pid 5184] close(28) = -1 EBADF (Bad file descriptor) [pid 5184] close(29) = -1 EBADF (Bad file descriptor) [pid 5184] exit_group(0) = ? [pid 5184] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=115, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] umount2("./113", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./113/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./113/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./113/cgroup.cpu") = 0 [pid 5062] umount2("./113/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./113/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./113/binderfs") = 0 [pid 5062] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./113/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./113/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./113/file0") = 0 [pid 5062] umount2("./113/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./113/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./113/cgroup") = 0 [pid 5062] umount2("./113/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./113/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./113/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./113") = 0 [pid 5062] mkdir("./114", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5185 attached [pid 5185] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 116 [pid 5185] <... set_robust_list resumed>) = 0 [pid 5185] chdir("./114") = 0 [pid 5185] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5185] setpgid(0, 0) = 0 [pid 5185] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5185] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5185] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5185] write(3, "1000", 4) = 4 [pid 5185] close(3) = 0 [pid 5185] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5185] memfd_create("syzkaller", 0) = 3 [pid 5185] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5185] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5185] munmap(0x7f9497c79000, 138412032) = 0 [pid 5185] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5185] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5185] close(3) = 0 [pid 5185] mkdir("./file0", 0777) = 0 [pid 5185] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5185] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5185] chdir("./file0") = 0 [ 152.423707][ T5185] loop0: detected capacity change from 0 to 4096 [ 152.433583][ T5185] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [ 152.468349][ T5185] ntfs: volume version 3.1. [pid 5185] ioctl(4, LOOP_CLR_FD) = 0 [pid 5185] close(4) = 0 [pid 5185] creat("./file2", 000) = 4 [pid 5185] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5185] creat("./file2", 000) = 5 [pid 5185] close(3) = 0 [pid 5185] close(4) = 0 [pid 5185] close(5) = 0 [pid 5185] close(6) = -1 EBADF (Bad file descriptor) [pid 5185] close(7) = -1 EBADF (Bad file descriptor) [pid 5185] close(8) = -1 EBADF (Bad file descriptor) [pid 5185] close(9) = -1 EBADF (Bad file descriptor) [pid 5185] close(10) = -1 EBADF (Bad file descriptor) [pid 5185] close(11) = -1 EBADF (Bad file descriptor) [pid 5185] close(12) = -1 EBADF (Bad file descriptor) [pid 5185] close(13) = -1 EBADF (Bad file descriptor) [pid 5185] close(14) = -1 EBADF (Bad file descriptor) [pid 5185] close(15) = -1 EBADF (Bad file descriptor) [pid 5185] close(16) = -1 EBADF (Bad file descriptor) [pid 5185] close(17) = -1 EBADF (Bad file descriptor) [pid 5185] close(18) = -1 EBADF (Bad file descriptor) [pid 5185] close(19) = -1 EBADF (Bad file descriptor) [pid 5185] close(20) = -1 EBADF (Bad file descriptor) [pid 5185] close(21) = -1 EBADF (Bad file descriptor) [pid 5185] close(22) = -1 EBADF (Bad file descriptor) [pid 5185] close(23) = -1 EBADF (Bad file descriptor) [pid 5185] close(24) = -1 EBADF (Bad file descriptor) [pid 5185] close(25) = -1 EBADF (Bad file descriptor) [pid 5185] close(26) = -1 EBADF (Bad file descriptor) [pid 5185] close(27) = -1 EBADF (Bad file descriptor) [pid 5185] close(28) = -1 EBADF (Bad file descriptor) [pid 5185] close(29) = -1 EBADF (Bad file descriptor) [pid 5185] exit_group(0) = ? [pid 5185] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=116, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] umount2("./114", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./114/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./114/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./114/cgroup.cpu") = 0 [pid 5062] umount2("./114/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./114/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./114/binderfs") = 0 [pid 5062] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./114/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./114/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./114/file0") = 0 [pid 5062] umount2("./114/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./114/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./114/cgroup") = 0 [pid 5062] umount2("./114/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./114/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./114/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./114") = 0 [pid 5062] mkdir("./115", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5186 attached [pid 5186] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 117 [pid 5186] <... set_robust_list resumed>) = 0 [pid 5186] chdir("./115") = 0 [pid 5186] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5186] setpgid(0, 0) = 0 [pid 5186] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5186] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5186] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5186] write(3, "1000", 4) = 4 [pid 5186] close(3) = 0 [pid 5186] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5186] memfd_create("syzkaller", 0) = 3 [pid 5186] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5186] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5186] munmap(0x7f9497c79000, 138412032) = 0 [pid 5186] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5186] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5186] close(3) = 0 [pid 5186] mkdir("./file0", 0777) = 0 [ 153.116204][ T5186] loop0: detected capacity change from 0 to 4096 [ 153.141450][ T5186] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5186] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5186] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5186] chdir("./file0") = 0 [pid 5186] ioctl(4, LOOP_CLR_FD) = 0 [pid 5186] close(4) = 0 [ 153.175421][ T5186] ntfs: volume version 3.1. [pid 5186] creat("./file2", 000) = 4 [pid 5186] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5186] creat("./file2", 000) = 5 [pid 5186] close(3) = 0 [pid 5186] close(4) = 0 [pid 5186] close(5) = 0 [pid 5186] close(6) = -1 EBADF (Bad file descriptor) [pid 5186] close(7) = -1 EBADF (Bad file descriptor) [pid 5186] close(8) = -1 EBADF (Bad file descriptor) [pid 5186] close(9) = -1 EBADF (Bad file descriptor) [pid 5186] close(10) = -1 EBADF (Bad file descriptor) [pid 5186] close(11) = -1 EBADF (Bad file descriptor) [pid 5186] close(12) = -1 EBADF (Bad file descriptor) [pid 5186] close(13) = -1 EBADF (Bad file descriptor) [pid 5186] close(14) = -1 EBADF (Bad file descriptor) [pid 5186] close(15) = -1 EBADF (Bad file descriptor) [pid 5186] close(16) = -1 EBADF (Bad file descriptor) [pid 5186] close(17) = -1 EBADF (Bad file descriptor) [pid 5186] close(18) = -1 EBADF (Bad file descriptor) [pid 5186] close(19) = -1 EBADF (Bad file descriptor) [pid 5186] close(20) = -1 EBADF (Bad file descriptor) [pid 5186] close(21) = -1 EBADF (Bad file descriptor) [pid 5186] close(22) = -1 EBADF (Bad file descriptor) [pid 5186] close(23) = -1 EBADF (Bad file descriptor) [pid 5186] close(24) = -1 EBADF (Bad file descriptor) [pid 5186] close(25) = -1 EBADF (Bad file descriptor) [pid 5186] close(26) = -1 EBADF (Bad file descriptor) [pid 5186] close(27) = -1 EBADF (Bad file descriptor) [pid 5186] close(28) = -1 EBADF (Bad file descriptor) [pid 5186] close(29) = -1 EBADF (Bad file descriptor) [pid 5186] exit_group(0) = ? [pid 5186] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=117, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- [pid 5062] umount2("./115", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./115/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./115/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./115/cgroup.cpu") = 0 [pid 5062] umount2("./115/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./115/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./115/binderfs") = 0 [pid 5062] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./115/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./115/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./115/file0") = 0 [pid 5062] umount2("./115/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./115/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./115/cgroup") = 0 [pid 5062] umount2("./115/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./115/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./115/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./115") = 0 [pid 5062] mkdir("./116", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5187 attached [pid 5187] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 118 [pid 5187] <... set_robust_list resumed>) = 0 [pid 5187] chdir("./116") = 0 [pid 5187] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5187] setpgid(0, 0) = 0 [pid 5187] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5187] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5187] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5187] write(3, "1000", 4) = 4 [pid 5187] close(3) = 0 [pid 5187] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5187] memfd_create("syzkaller", 0) = 3 [pid 5187] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5187] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5187] munmap(0x7f9497c79000, 138412032) = 0 [pid 5187] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5187] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5187] close(3) = 0 [pid 5187] mkdir("./file0", 0777) = 0 [ 153.750162][ T5187] loop0: detected capacity change from 0 to 4096 [ 153.765940][ T5187] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5187] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5187] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5187] chdir("./file0") = 0 [pid 5187] ioctl(4, LOOP_CLR_FD) = 0 [pid 5187] close(4) = 0 [pid 5187] creat("./file2", 000) = 4 [ 153.796549][ T5187] ntfs: volume version 3.1. [pid 5187] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5187] creat("./file2", 000) = 5 [pid 5187] close(3) = 0 [pid 5187] close(4) = 0 [pid 5187] close(5) = 0 [pid 5187] close(6) = -1 EBADF (Bad file descriptor) [pid 5187] close(7) = -1 EBADF (Bad file descriptor) [pid 5187] close(8) = -1 EBADF (Bad file descriptor) [pid 5187] close(9) = -1 EBADF (Bad file descriptor) [pid 5187] close(10) = -1 EBADF (Bad file descriptor) [pid 5187] close(11) = -1 EBADF (Bad file descriptor) [pid 5187] close(12) = -1 EBADF (Bad file descriptor) [pid 5187] close(13) = -1 EBADF (Bad file descriptor) [pid 5187] close(14) = -1 EBADF (Bad file descriptor) [pid 5187] close(15) = -1 EBADF (Bad file descriptor) [pid 5187] close(16) = -1 EBADF (Bad file descriptor) [pid 5187] close(17) = -1 EBADF (Bad file descriptor) [pid 5187] close(18) = -1 EBADF (Bad file descriptor) [pid 5187] close(19) = -1 EBADF (Bad file descriptor) [pid 5187] close(20) = -1 EBADF (Bad file descriptor) [pid 5187] close(21) = -1 EBADF (Bad file descriptor) [pid 5187] close(22) = -1 EBADF (Bad file descriptor) [pid 5187] close(23) = -1 EBADF (Bad file descriptor) [pid 5187] close(24) = -1 EBADF (Bad file descriptor) [pid 5187] close(25) = -1 EBADF (Bad file descriptor) [pid 5187] close(26) = -1 EBADF (Bad file descriptor) [pid 5187] close(27) = -1 EBADF (Bad file descriptor) [pid 5187] close(28) = -1 EBADF (Bad file descriptor) [pid 5187] close(29) = -1 EBADF (Bad file descriptor) [pid 5187] exit_group(0) = ? [pid 5187] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=118, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] umount2("./116", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./116/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./116/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./116/cgroup.cpu") = 0 [pid 5062] umount2("./116/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./116/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./116/binderfs") = 0 [pid 5062] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./116/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./116/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./116/file0") = 0 [pid 5062] umount2("./116/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./116/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./116/cgroup") = 0 [pid 5062] umount2("./116/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./116/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./116/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./116") = 0 [pid 5062] mkdir("./117", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5188 attached [pid 5188] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 119 [pid 5188] <... set_robust_list resumed>) = 0 [pid 5188] chdir("./117") = 0 [pid 5188] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5188] setpgid(0, 0) = 0 [pid 5188] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5188] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5188] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5188] write(3, "1000", 4) = 4 [pid 5188] close(3) = 0 [pid 5188] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5188] memfd_create("syzkaller", 0) = 3 [pid 5188] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5188] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5188] munmap(0x7f9497c79000, 138412032) = 0 [pid 5188] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5188] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5188] close(3) = 0 [pid 5188] mkdir("./file0", 0777) = 0 [ 154.391346][ T5188] loop0: detected capacity change from 0 to 4096 [ 154.415637][ T5188] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5188] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5188] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5188] chdir("./file0") = 0 [pid 5188] ioctl(4, LOOP_CLR_FD) = 0 [pid 5188] close(4) = 0 [ 154.448010][ T5188] ntfs: volume version 3.1. [pid 5188] creat("./file2", 000) = 4 [pid 5188] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5188] creat("./file2", 000) = 5 [pid 5188] close(3) = 0 [pid 5188] close(4) = 0 [pid 5188] close(5) = 0 [pid 5188] close(6) = -1 EBADF (Bad file descriptor) [pid 5188] close(7) = -1 EBADF (Bad file descriptor) [pid 5188] close(8) = -1 EBADF (Bad file descriptor) [pid 5188] close(9) = -1 EBADF (Bad file descriptor) [pid 5188] close(10) = -1 EBADF (Bad file descriptor) [pid 5188] close(11) = -1 EBADF (Bad file descriptor) [pid 5188] close(12) = -1 EBADF (Bad file descriptor) [pid 5188] close(13) = -1 EBADF (Bad file descriptor) [pid 5188] close(14) = -1 EBADF (Bad file descriptor) [pid 5188] close(15) = -1 EBADF (Bad file descriptor) [pid 5188] close(16) = -1 EBADF (Bad file descriptor) [pid 5188] close(17) = -1 EBADF (Bad file descriptor) [pid 5188] close(18) = -1 EBADF (Bad file descriptor) [pid 5188] close(19) = -1 EBADF (Bad file descriptor) [pid 5188] close(20) = -1 EBADF (Bad file descriptor) [pid 5188] close(21) = -1 EBADF (Bad file descriptor) [pid 5188] close(22) = -1 EBADF (Bad file descriptor) [pid 5188] close(23) = -1 EBADF (Bad file descriptor) [pid 5188] close(24) = -1 EBADF (Bad file descriptor) [pid 5188] close(25) = -1 EBADF (Bad file descriptor) [pid 5188] close(26) = -1 EBADF (Bad file descriptor) [pid 5188] close(27) = -1 EBADF (Bad file descriptor) [pid 5188] close(28) = -1 EBADF (Bad file descriptor) [pid 5188] close(29) = -1 EBADF (Bad file descriptor) [pid 5188] exit_group(0) = ? [pid 5188] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=119, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5062] umount2("./117", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./117/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./117/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./117/cgroup.cpu") = 0 [pid 5062] umount2("./117/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./117/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./117/binderfs") = 0 [pid 5062] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./117/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./117/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./117/file0") = 0 [pid 5062] umount2("./117/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./117/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./117/cgroup") = 0 [pid 5062] umount2("./117/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./117/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./117/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./117") = 0 [pid 5062] mkdir("./118", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5189 attached [pid 5189] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 120 [pid 5189] <... set_robust_list resumed>) = 0 [pid 5189] chdir("./118") = 0 [pid 5189] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5189] setpgid(0, 0) = 0 [pid 5189] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5189] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5189] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5189] write(3, "1000", 4) = 4 [pid 5189] close(3) = 0 [pid 5189] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5189] memfd_create("syzkaller", 0) = 3 [pid 5189] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5189] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5189] munmap(0x7f9497c79000, 138412032) = 0 [pid 5189] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5189] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5189] close(3) = 0 [pid 5189] mkdir("./file0", 0777) = 0 [ 155.052592][ T5189] loop0: detected capacity change from 0 to 4096 [ 155.077610][ T5189] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5189] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5189] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5189] chdir("./file0") = 0 [pid 5189] ioctl(4, LOOP_CLR_FD) = 0 [ 155.112326][ T5189] ntfs: volume version 3.1. [pid 5189] close(4) = 0 [pid 5189] creat("./file2", 000) = 4 [pid 5189] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5189] creat("./file2", 000) = 5 [pid 5189] close(3) = 0 [pid 5189] close(4) = 0 [pid 5189] close(5) = 0 [pid 5189] close(6) = -1 EBADF (Bad file descriptor) [pid 5189] close(7) = -1 EBADF (Bad file descriptor) [pid 5189] close(8) = -1 EBADF (Bad file descriptor) [pid 5189] close(9) = -1 EBADF (Bad file descriptor) [pid 5189] close(10) = -1 EBADF (Bad file descriptor) [pid 5189] close(11) = -1 EBADF (Bad file descriptor) [pid 5189] close(12) = -1 EBADF (Bad file descriptor) [pid 5189] close(13) = -1 EBADF (Bad file descriptor) [pid 5189] close(14) = -1 EBADF (Bad file descriptor) [pid 5189] close(15) = -1 EBADF (Bad file descriptor) [pid 5189] close(16) = -1 EBADF (Bad file descriptor) [pid 5189] close(17) = -1 EBADF (Bad file descriptor) [pid 5189] close(18) = -1 EBADF (Bad file descriptor) [pid 5189] close(19) = -1 EBADF (Bad file descriptor) [pid 5189] close(20) = -1 EBADF (Bad file descriptor) [pid 5189] close(21) = -1 EBADF (Bad file descriptor) [pid 5189] close(22) = -1 EBADF (Bad file descriptor) [pid 5189] close(23) = -1 EBADF (Bad file descriptor) [pid 5189] close(24) = -1 EBADF (Bad file descriptor) [pid 5189] close(25) = -1 EBADF (Bad file descriptor) [pid 5189] close(26) = -1 EBADF (Bad file descriptor) [pid 5189] close(27) = -1 EBADF (Bad file descriptor) [pid 5189] close(28) = -1 EBADF (Bad file descriptor) [pid 5189] close(29) = -1 EBADF (Bad file descriptor) [pid 5189] exit_group(0) = ? [pid 5189] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=120, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./118", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./118/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./118/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./118/cgroup.cpu") = 0 [pid 5062] umount2("./118/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./118/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./118/binderfs") = 0 [pid 5062] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./118/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./118/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./118/file0") = 0 [pid 5062] umount2("./118/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./118/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./118/cgroup") = 0 [pid 5062] umount2("./118/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./118/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./118/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./118") = 0 [pid 5062] mkdir("./119", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5190 attached [pid 5190] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 121 [pid 5190] <... set_robust_list resumed>) = 0 [pid 5190] chdir("./119") = 0 [pid 5190] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5190] setpgid(0, 0) = 0 [pid 5190] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5190] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5190] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5190] write(3, "1000", 4) = 4 [pid 5190] close(3) = 0 [pid 5190] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5190] memfd_create("syzkaller", 0) = 3 [pid 5190] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5190] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5190] munmap(0x7f9497c79000, 138412032) = 0 [pid 5190] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5190] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5190] close(3) = 0 [pid 5190] mkdir("./file0", 0777) = 0 [ 155.803469][ T5190] loop0: detected capacity change from 0 to 4096 [ 155.827808][ T5190] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5190] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5190] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5190] chdir("./file0") = 0 [pid 5190] ioctl(4, LOOP_CLR_FD) = 0 [ 155.860012][ T5190] ntfs: volume version 3.1. [pid 5190] close(4) = 0 [pid 5190] creat("./file2", 000) = 4 [pid 5190] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5190] creat("./file2", 000) = 5 [pid 5190] close(3) = 0 [pid 5190] close(4) = 0 [pid 5190] close(5) = 0 [pid 5190] close(6) = -1 EBADF (Bad file descriptor) [pid 5190] close(7) = -1 EBADF (Bad file descriptor) [pid 5190] close(8) = -1 EBADF (Bad file descriptor) [pid 5190] close(9) = -1 EBADF (Bad file descriptor) [pid 5190] close(10) = -1 EBADF (Bad file descriptor) [pid 5190] close(11) = -1 EBADF (Bad file descriptor) [pid 5190] close(12) = -1 EBADF (Bad file descriptor) [pid 5190] close(13) = -1 EBADF (Bad file descriptor) [pid 5190] close(14) = -1 EBADF (Bad file descriptor) [pid 5190] close(15) = -1 EBADF (Bad file descriptor) [pid 5190] close(16) = -1 EBADF (Bad file descriptor) [pid 5190] close(17) = -1 EBADF (Bad file descriptor) [pid 5190] close(18) = -1 EBADF (Bad file descriptor) [pid 5190] close(19) = -1 EBADF (Bad file descriptor) [pid 5190] close(20) = -1 EBADF (Bad file descriptor) [pid 5190] close(21) = -1 EBADF (Bad file descriptor) [pid 5190] close(22) = -1 EBADF (Bad file descriptor) [pid 5190] close(23) = -1 EBADF (Bad file descriptor) [pid 5190] close(24) = -1 EBADF (Bad file descriptor) [pid 5190] close(25) = -1 EBADF (Bad file descriptor) [pid 5190] close(26) = -1 EBADF (Bad file descriptor) [pid 5190] close(27) = -1 EBADF (Bad file descriptor) [pid 5190] close(28) = -1 EBADF (Bad file descriptor) [pid 5190] close(29) = -1 EBADF (Bad file descriptor) [pid 5190] exit_group(0) = ? [pid 5190] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=121, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./119", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./119/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./119/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./119/cgroup.cpu") = 0 [pid 5062] umount2("./119/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./119/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./119/binderfs") = 0 [pid 5062] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./119/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./119/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./119/file0") = 0 [pid 5062] umount2("./119/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./119/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./119/cgroup") = 0 [pid 5062] umount2("./119/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./119/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./119/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./119") = 0 [pid 5062] mkdir("./120", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5191 attached [pid 5191] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 122 [pid 5191] <... set_robust_list resumed>) = 0 [pid 5191] chdir("./120") = 0 [pid 5191] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5191] setpgid(0, 0) = 0 [pid 5191] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5191] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5191] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5191] write(3, "1000", 4) = 4 [pid 5191] close(3) = 0 [pid 5191] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5191] memfd_create("syzkaller", 0) = 3 [pid 5191] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5191] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5191] munmap(0x7f9497c79000, 138412032) = 0 [pid 5191] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5191] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5191] close(3) = 0 [pid 5191] mkdir("./file0", 0777) = 0 [ 156.414127][ T5191] loop0: detected capacity change from 0 to 4096 [ 156.428374][ T5191] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5191] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5191] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5191] chdir("./file0") = 0 [pid 5191] ioctl(4, LOOP_CLR_FD) = 0 [pid 5191] close(4) = 0 [pid 5191] creat("./file2", 000) = 4 [ 156.462905][ T5191] ntfs: volume version 3.1. [pid 5191] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5191] creat("./file2", 000) = 5 [pid 5191] close(3) = 0 [pid 5191] close(4) = 0 [pid 5191] close(5) = 0 [pid 5191] close(6) = -1 EBADF (Bad file descriptor) [pid 5191] close(7) = -1 EBADF (Bad file descriptor) [pid 5191] close(8) = -1 EBADF (Bad file descriptor) [pid 5191] close(9) = -1 EBADF (Bad file descriptor) [pid 5191] close(10) = -1 EBADF (Bad file descriptor) [pid 5191] close(11) = -1 EBADF (Bad file descriptor) [pid 5191] close(12) = -1 EBADF (Bad file descriptor) [pid 5191] close(13) = -1 EBADF (Bad file descriptor) [pid 5191] close(14) = -1 EBADF (Bad file descriptor) [pid 5191] close(15) = -1 EBADF (Bad file descriptor) [pid 5191] close(16) = -1 EBADF (Bad file descriptor) [pid 5191] close(17) = -1 EBADF (Bad file descriptor) [pid 5191] close(18) = -1 EBADF (Bad file descriptor) [pid 5191] close(19) = -1 EBADF (Bad file descriptor) [pid 5191] close(20) = -1 EBADF (Bad file descriptor) [pid 5191] close(21) = -1 EBADF (Bad file descriptor) [pid 5191] close(22) = -1 EBADF (Bad file descriptor) [pid 5191] close(23) = -1 EBADF (Bad file descriptor) [pid 5191] close(24) = -1 EBADF (Bad file descriptor) [pid 5191] close(25) = -1 EBADF (Bad file descriptor) [pid 5191] close(26) = -1 EBADF (Bad file descriptor) [pid 5191] close(27) = -1 EBADF (Bad file descriptor) [pid 5191] close(28) = -1 EBADF (Bad file descriptor) [pid 5191] close(29) = -1 EBADF (Bad file descriptor) [pid 5191] exit_group(0) = ? [pid 5191] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=122, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- [pid 5062] umount2("./120", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./120/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./120/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./120/cgroup.cpu") = 0 [pid 5062] umount2("./120/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./120/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./120/binderfs") = 0 [pid 5062] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./120/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./120/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./120/file0") = 0 [pid 5062] umount2("./120/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./120/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./120/cgroup") = 0 [pid 5062] umount2("./120/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./120/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./120/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./120") = 0 [pid 5062] mkdir("./121", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5192 attached [pid 5192] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 123 [pid 5192] <... set_robust_list resumed>) = 0 [pid 5192] chdir("./121") = 0 [pid 5192] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5192] setpgid(0, 0) = 0 [pid 5192] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5192] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5192] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5192] write(3, "1000", 4) = 4 [pid 5192] close(3) = 0 [pid 5192] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5192] memfd_create("syzkaller", 0) = 3 [pid 5192] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5192] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5192] munmap(0x7f9497c79000, 138412032) = 0 [pid 5192] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5192] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5192] close(3) = 0 [pid 5192] mkdir("./file0", 0777) = 0 [ 156.994855][ T5192] loop0: detected capacity change from 0 to 4096 [ 157.024189][ T5192] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5192] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5192] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5192] chdir("./file0") = 0 [pid 5192] ioctl(4, LOOP_CLR_FD) = 0 [pid 5192] close(4) = 0 [ 157.058890][ T5192] ntfs: volume version 3.1. [pid 5192] creat("./file2", 000) = 4 [pid 5192] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5192] creat("./file2", 000) = 5 [pid 5192] close(3) = 0 [pid 5192] close(4) = 0 [pid 5192] close(5) = 0 [pid 5192] close(6) = -1 EBADF (Bad file descriptor) [pid 5192] close(7) = -1 EBADF (Bad file descriptor) [pid 5192] close(8) = -1 EBADF (Bad file descriptor) [pid 5192] close(9) = -1 EBADF (Bad file descriptor) [pid 5192] close(10) = -1 EBADF (Bad file descriptor) [pid 5192] close(11) = -1 EBADF (Bad file descriptor) [pid 5192] close(12) = -1 EBADF (Bad file descriptor) [pid 5192] close(13) = -1 EBADF (Bad file descriptor) [pid 5192] close(14) = -1 EBADF (Bad file descriptor) [pid 5192] close(15) = -1 EBADF (Bad file descriptor) [pid 5192] close(16) = -1 EBADF (Bad file descriptor) [pid 5192] close(17) = -1 EBADF (Bad file descriptor) [pid 5192] close(18) = -1 EBADF (Bad file descriptor) [pid 5192] close(19) = -1 EBADF (Bad file descriptor) [pid 5192] close(20) = -1 EBADF (Bad file descriptor) [pid 5192] close(21) = -1 EBADF (Bad file descriptor) [pid 5192] close(22) = -1 EBADF (Bad file descriptor) [pid 5192] close(23) = -1 EBADF (Bad file descriptor) [pid 5192] close(24) = -1 EBADF (Bad file descriptor) [pid 5192] close(25) = -1 EBADF (Bad file descriptor) [pid 5192] close(26) = -1 EBADF (Bad file descriptor) [pid 5192] close(27) = -1 EBADF (Bad file descriptor) [pid 5192] close(28) = -1 EBADF (Bad file descriptor) [pid 5192] close(29) = -1 EBADF (Bad file descriptor) [pid 5192] exit_group(0) = ? [pid 5192] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=123, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./121", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./121/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./121/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./121/cgroup.cpu") = 0 [pid 5062] umount2("./121/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./121/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./121/binderfs") = 0 [pid 5062] umount2("./121/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./121/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./121/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./121/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./121/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./121/file0") = 0 [pid 5062] umount2("./121/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./121/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./121/cgroup") = 0 [pid 5062] umount2("./121/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./121/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./121/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./121") = 0 [pid 5062] mkdir("./122", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5193 attached [pid 5193] set_robust_list(0x555556e8b660, 24) = 0 [pid 5193] chdir("./122") = 0 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 124 [pid 5193] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5193] setpgid(0, 0) = 0 [pid 5193] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5193] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5193] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5193] write(3, "1000", 4) = 4 [pid 5193] close(3) = 0 [pid 5193] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5193] memfd_create("syzkaller", 0) = 3 [pid 5193] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5193] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5193] munmap(0x7f9497c79000, 138412032) = 0 [pid 5193] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5193] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5193] close(3) = 0 [pid 5193] mkdir("./file0", 0777) = 0 [ 157.659308][ T5193] loop0: detected capacity change from 0 to 4096 [ 157.686268][ T5193] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5193] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5193] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5193] chdir("./file0") = 0 [pid 5193] ioctl(4, LOOP_CLR_FD) = 0 [ 157.720443][ T5193] ntfs: volume version 3.1. [pid 5193] close(4) = 0 [pid 5193] creat("./file2", 000) = 4 [pid 5193] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5193] creat("./file2", 000) = 5 [pid 5193] close(3) = 0 [pid 5193] close(4) = 0 [pid 5193] close(5) = 0 [pid 5193] close(6) = -1 EBADF (Bad file descriptor) [pid 5193] close(7) = -1 EBADF (Bad file descriptor) [pid 5193] close(8) = -1 EBADF (Bad file descriptor) [pid 5193] close(9) = -1 EBADF (Bad file descriptor) [pid 5193] close(10) = -1 EBADF (Bad file descriptor) [pid 5193] close(11) = -1 EBADF (Bad file descriptor) [pid 5193] close(12) = -1 EBADF (Bad file descriptor) [pid 5193] close(13) = -1 EBADF (Bad file descriptor) [pid 5193] close(14) = -1 EBADF (Bad file descriptor) [pid 5193] close(15) = -1 EBADF (Bad file descriptor) [pid 5193] close(16) = -1 EBADF (Bad file descriptor) [pid 5193] close(17) = -1 EBADF (Bad file descriptor) [pid 5193] close(18) = -1 EBADF (Bad file descriptor) [pid 5193] close(19) = -1 EBADF (Bad file descriptor) [pid 5193] close(20) = -1 EBADF (Bad file descriptor) [pid 5193] close(21) = -1 EBADF (Bad file descriptor) [pid 5193] close(22) = -1 EBADF (Bad file descriptor) [pid 5193] close(23) = -1 EBADF (Bad file descriptor) [pid 5193] close(24) = -1 EBADF (Bad file descriptor) [pid 5193] close(25) = -1 EBADF (Bad file descriptor) [pid 5193] close(26) = -1 EBADF (Bad file descriptor) [pid 5193] close(27) = -1 EBADF (Bad file descriptor) [pid 5193] close(28) = -1 EBADF (Bad file descriptor) [pid 5193] close(29) = -1 EBADF (Bad file descriptor) [pid 5193] exit_group(0) = ? [pid 5193] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=124, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5062] umount2("./122", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./122/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./122/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./122/cgroup.cpu") = 0 [pid 5062] umount2("./122/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./122/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./122/binderfs") = 0 [pid 5062] umount2("./122/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./122/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./122/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./122/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./122/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./122/file0") = 0 [pid 5062] umount2("./122/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./122/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./122/cgroup") = 0 [pid 5062] umount2("./122/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./122/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./122/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./122") = 0 [pid 5062] mkdir("./123", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5194 attached , child_tidptr=0x555556e8b650) = 125 [pid 5194] set_robust_list(0x555556e8b660, 24) = 0 [pid 5194] chdir("./123") = 0 [pid 5194] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5194] setpgid(0, 0) = 0 [pid 5194] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5194] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5194] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5194] write(3, "1000", 4) = 4 [pid 5194] close(3) = 0 [pid 5194] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5194] memfd_create("syzkaller", 0) = 3 [pid 5194] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5194] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5194] munmap(0x7f9497c79000, 138412032) = 0 [pid 5194] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5194] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5194] close(3) = 0 [pid 5194] mkdir("./file0", 0777) = 0 [pid 5194] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5194] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5194] chdir("./file0") = 0 [pid 5194] ioctl(4, LOOP_CLR_FD) = 0 [pid 5194] close(4) = 0 [pid 5194] creat("./file2", 000) = 4 [ 158.272171][ T5194] loop0: detected capacity change from 0 to 4096 [ 158.282590][ T5194] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [ 158.315998][ T5194] ntfs: volume version 3.1. [pid 5194] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5194] creat("./file2", 000) = 5 [pid 5194] close(3) = 0 [pid 5194] close(4) = 0 [pid 5194] close(5) = 0 [pid 5194] close(6) = -1 EBADF (Bad file descriptor) [pid 5194] close(7) = -1 EBADF (Bad file descriptor) [pid 5194] close(8) = -1 EBADF (Bad file descriptor) [pid 5194] close(9) = -1 EBADF (Bad file descriptor) [pid 5194] close(10) = -1 EBADF (Bad file descriptor) [pid 5194] close(11) = -1 EBADF (Bad file descriptor) [pid 5194] close(12) = -1 EBADF (Bad file descriptor) [pid 5194] close(13) = -1 EBADF (Bad file descriptor) [pid 5194] close(14) = -1 EBADF (Bad file descriptor) [pid 5194] close(15) = -1 EBADF (Bad file descriptor) [pid 5194] close(16) = -1 EBADF (Bad file descriptor) [pid 5194] close(17) = -1 EBADF (Bad file descriptor) [pid 5194] close(18) = -1 EBADF (Bad file descriptor) [pid 5194] close(19) = -1 EBADF (Bad file descriptor) [pid 5194] close(20) = -1 EBADF (Bad file descriptor) [pid 5194] close(21) = -1 EBADF (Bad file descriptor) [pid 5194] close(22) = -1 EBADF (Bad file descriptor) [pid 5194] close(23) = -1 EBADF (Bad file descriptor) [pid 5194] close(24) = -1 EBADF (Bad file descriptor) [pid 5194] close(25) = -1 EBADF (Bad file descriptor) [pid 5194] close(26) = -1 EBADF (Bad file descriptor) [pid 5194] close(27) = -1 EBADF (Bad file descriptor) [pid 5194] close(28) = -1 EBADF (Bad file descriptor) [pid 5194] close(29) = -1 EBADF (Bad file descriptor) [pid 5194] exit_group(0) = ? [pid 5194] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=125, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5062] umount2("./123", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./123/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./123/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./123/cgroup.cpu") = 0 [pid 5062] umount2("./123/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./123/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./123/binderfs") = 0 [pid 5062] umount2("./123/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./123/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./123/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./123/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./123/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./123/file0") = 0 [pid 5062] umount2("./123/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./123/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./123/cgroup") = 0 [pid 5062] umount2("./123/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./123/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./123/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./123") = 0 [pid 5062] mkdir("./124", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5195 attached [pid 5195] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 126 [pid 5195] <... set_robust_list resumed>) = 0 [pid 5195] chdir("./124") = 0 [pid 5195] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5195] setpgid(0, 0) = 0 [pid 5195] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5195] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5195] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5195] write(3, "1000", 4) = 4 [pid 5195] close(3) = 0 [pid 5195] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5195] memfd_create("syzkaller", 0) = 3 [pid 5195] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5195] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5195] munmap(0x7f9497c79000, 138412032) = 0 [pid 5195] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5195] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5195] close(3) = 0 [pid 5195] mkdir("./file0", 0777) = 0 [ 158.916508][ T5195] loop0: detected capacity change from 0 to 4096 [ 158.943352][ T5195] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5195] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5195] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5195] chdir("./file0") = 0 [pid 5195] ioctl(4, LOOP_CLR_FD) = 0 [pid 5195] close(4) = 0 [pid 5195] creat("./file2", 000) = 4 [ 158.976893][ T5195] ntfs: volume version 3.1. [pid 5195] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5195] creat("./file2", 000) = 5 [pid 5195] close(3) = 0 [pid 5195] close(4) = 0 [pid 5195] close(5) = 0 [pid 5195] close(6) = -1 EBADF (Bad file descriptor) [pid 5195] close(7) = -1 EBADF (Bad file descriptor) [pid 5195] close(8) = -1 EBADF (Bad file descriptor) [pid 5195] close(9) = -1 EBADF (Bad file descriptor) [pid 5195] close(10) = -1 EBADF (Bad file descriptor) [pid 5195] close(11) = -1 EBADF (Bad file descriptor) [pid 5195] close(12) = -1 EBADF (Bad file descriptor) [pid 5195] close(13) = -1 EBADF (Bad file descriptor) [pid 5195] close(14) = -1 EBADF (Bad file descriptor) [pid 5195] close(15) = -1 EBADF (Bad file descriptor) [pid 5195] close(16) = -1 EBADF (Bad file descriptor) [pid 5195] close(17) = -1 EBADF (Bad file descriptor) [pid 5195] close(18) = -1 EBADF (Bad file descriptor) [pid 5195] close(19) = -1 EBADF (Bad file descriptor) [pid 5195] close(20) = -1 EBADF (Bad file descriptor) [pid 5195] close(21) = -1 EBADF (Bad file descriptor) [pid 5195] close(22) = -1 EBADF (Bad file descriptor) [pid 5195] close(23) = -1 EBADF (Bad file descriptor) [pid 5195] close(24) = -1 EBADF (Bad file descriptor) [pid 5195] close(25) = -1 EBADF (Bad file descriptor) [pid 5195] close(26) = -1 EBADF (Bad file descriptor) [pid 5195] close(27) = -1 EBADF (Bad file descriptor) [pid 5195] close(28) = -1 EBADF (Bad file descriptor) [pid 5195] close(29) = -1 EBADF (Bad file descriptor) [pid 5195] exit_group(0) = ? [pid 5195] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=126, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- [pid 5062] umount2("./124", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./124/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./124/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./124/cgroup.cpu") = 0 [pid 5062] umount2("./124/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./124/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./124/binderfs") = 0 [pid 5062] umount2("./124/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./124/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./124/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./124/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./124/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./124/file0") = 0 [pid 5062] umount2("./124/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./124/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./124/cgroup") = 0 [pid 5062] umount2("./124/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./124/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./124/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./124") = 0 [pid 5062] mkdir("./125", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5196 attached [pid 5196] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 127 [pid 5196] <... set_robust_list resumed>) = 0 [pid 5196] chdir("./125") = 0 [pid 5196] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5196] setpgid(0, 0) = 0 [pid 5196] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5196] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5196] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5196] write(3, "1000", 4) = 4 [pid 5196] close(3) = 0 [pid 5196] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5196] memfd_create("syzkaller", 0) = 3 [pid 5196] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5196] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5196] munmap(0x7f9497c79000, 138412032) = 0 [pid 5196] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5196] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5196] close(3) = 0 [pid 5196] mkdir("./file0", 0777) = 0 [ 159.496010][ T5196] loop0: detected capacity change from 0 to 4096 [ 159.509837][ T5196] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5196] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5196] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5196] chdir("./file0") = 0 [pid 5196] ioctl(4, LOOP_CLR_FD) = 0 [ 159.543207][ T5196] ntfs: volume version 3.1. [pid 5196] close(4) = 0 [pid 5196] creat("./file2", 000) = 4 [pid 5196] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5196] creat("./file2", 000) = 5 [pid 5196] close(3) = 0 [pid 5196] close(4) = 0 [pid 5196] close(5) = 0 [pid 5196] close(6) = -1 EBADF (Bad file descriptor) [pid 5196] close(7) = -1 EBADF (Bad file descriptor) [pid 5196] close(8) = -1 EBADF (Bad file descriptor) [pid 5196] close(9) = -1 EBADF (Bad file descriptor) [pid 5196] close(10) = -1 EBADF (Bad file descriptor) [pid 5196] close(11) = -1 EBADF (Bad file descriptor) [pid 5196] close(12) = -1 EBADF (Bad file descriptor) [pid 5196] close(13) = -1 EBADF (Bad file descriptor) [pid 5196] close(14) = -1 EBADF (Bad file descriptor) [pid 5196] close(15) = -1 EBADF (Bad file descriptor) [pid 5196] close(16) = -1 EBADF (Bad file descriptor) [pid 5196] close(17) = -1 EBADF (Bad file descriptor) [pid 5196] close(18) = -1 EBADF (Bad file descriptor) [pid 5196] close(19) = -1 EBADF (Bad file descriptor) [pid 5196] close(20) = -1 EBADF (Bad file descriptor) [pid 5196] close(21) = -1 EBADF (Bad file descriptor) [pid 5196] close(22) = -1 EBADF (Bad file descriptor) [pid 5196] close(23) = -1 EBADF (Bad file descriptor) [pid 5196] close(24) = -1 EBADF (Bad file descriptor) [pid 5196] close(25) = -1 EBADF (Bad file descriptor) [pid 5196] close(26) = -1 EBADF (Bad file descriptor) [pid 5196] close(27) = -1 EBADF (Bad file descriptor) [pid 5196] close(28) = -1 EBADF (Bad file descriptor) [pid 5196] close(29) = -1 EBADF (Bad file descriptor) [pid 5196] exit_group(0) = ? [pid 5196] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=127, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./125", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./125/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./125/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./125/cgroup.cpu") = 0 [pid 5062] umount2("./125/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./125/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./125/binderfs") = 0 [pid 5062] umount2("./125/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./125/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./125/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./125/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./125/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./125/file0") = 0 [pid 5062] umount2("./125/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./125/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./125/cgroup") = 0 [pid 5062] umount2("./125/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./125/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./125/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./125") = 0 [pid 5062] mkdir("./126", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5197 attached , child_tidptr=0x555556e8b650) = 128 [pid 5197] set_robust_list(0x555556e8b660, 24) = 0 [pid 5197] chdir("./126") = 0 [pid 5197] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5197] setpgid(0, 0) = 0 [pid 5197] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5197] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5197] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5197] write(3, "1000", 4) = 4 [pid 5197] close(3) = 0 [pid 5197] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5197] memfd_create("syzkaller", 0) = 3 [pid 5197] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5197] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5197] munmap(0x7f9497c79000, 138412032) = 0 [pid 5197] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5197] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5197] close(3) = 0 [pid 5197] mkdir("./file0", 0777) = 0 [ 160.113955][ T5197] loop0: detected capacity change from 0 to 4096 [ 160.133800][ T5197] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5197] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5197] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5197] chdir("./file0") = 0 [pid 5197] ioctl(4, LOOP_CLR_FD) = 0 [pid 5197] close(4) = 0 [ 160.169440][ T5197] ntfs: volume version 3.1. [pid 5197] creat("./file2", 000) = 4 [pid 5197] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5197] creat("./file2", 000) = 5 [pid 5197] close(3) = 0 [pid 5197] close(4) = 0 [pid 5197] close(5) = 0 [pid 5197] close(6) = -1 EBADF (Bad file descriptor) [pid 5197] close(7) = -1 EBADF (Bad file descriptor) [pid 5197] close(8) = -1 EBADF (Bad file descriptor) [pid 5197] close(9) = -1 EBADF (Bad file descriptor) [pid 5197] close(10) = -1 EBADF (Bad file descriptor) [pid 5197] close(11) = -1 EBADF (Bad file descriptor) [pid 5197] close(12) = -1 EBADF (Bad file descriptor) [pid 5197] close(13) = -1 EBADF (Bad file descriptor) [pid 5197] close(14) = -1 EBADF (Bad file descriptor) [pid 5197] close(15) = -1 EBADF (Bad file descriptor) [pid 5197] close(16) = -1 EBADF (Bad file descriptor) [pid 5197] close(17) = -1 EBADF (Bad file descriptor) [pid 5197] close(18) = -1 EBADF (Bad file descriptor) [pid 5197] close(19) = -1 EBADF (Bad file descriptor) [pid 5197] close(20) = -1 EBADF (Bad file descriptor) [pid 5197] close(21) = -1 EBADF (Bad file descriptor) [pid 5197] close(22) = -1 EBADF (Bad file descriptor) [pid 5197] close(23) = -1 EBADF (Bad file descriptor) [pid 5197] close(24) = -1 EBADF (Bad file descriptor) [pid 5197] close(25) = -1 EBADF (Bad file descriptor) [pid 5197] close(26) = -1 EBADF (Bad file descriptor) [pid 5197] close(27) = -1 EBADF (Bad file descriptor) [pid 5197] close(28) = -1 EBADF (Bad file descriptor) [pid 5197] close(29) = -1 EBADF (Bad file descriptor) [pid 5197] exit_group(0) = ? [pid 5197] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=128, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- [pid 5062] umount2("./126", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./126/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./126/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./126/cgroup.cpu") = 0 [pid 5062] umount2("./126/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./126/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./126/binderfs") = 0 [pid 5062] umount2("./126/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./126/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./126/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./126/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./126/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./126/file0") = 0 [pid 5062] umount2("./126/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./126/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./126/cgroup") = 0 [pid 5062] umount2("./126/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./126/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./126/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./126") = 0 [pid 5062] mkdir("./127", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5198 attached , child_tidptr=0x555556e8b650) = 129 [pid 5198] set_robust_list(0x555556e8b660, 24) = 0 [pid 5198] chdir("./127") = 0 [pid 5198] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5198] setpgid(0, 0) = 0 [pid 5198] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5198] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5198] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5198] write(3, "1000", 4) = 4 [pid 5198] close(3) = 0 [pid 5198] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5198] memfd_create("syzkaller", 0) = 3 [pid 5198] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5198] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5198] munmap(0x7f9497c79000, 138412032) = 0 [pid 5198] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5198] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5198] close(3) = 0 [pid 5198] mkdir("./file0", 0777) = 0 [ 160.795904][ T5198] loop0: detected capacity change from 0 to 4096 [ 160.820623][ T5198] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5198] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5198] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5198] chdir("./file0") = 0 [pid 5198] ioctl(4, LOOP_CLR_FD) = 0 [pid 5198] close(4) = 0 [ 160.854597][ T5198] ntfs: volume version 3.1. [pid 5198] creat("./file2", 000) = 4 [pid 5198] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5198] creat("./file2", 000) = 5 [pid 5198] close(3) = 0 [pid 5198] close(4) = 0 [pid 5198] close(5) = 0 [pid 5198] close(6) = -1 EBADF (Bad file descriptor) [pid 5198] close(7) = -1 EBADF (Bad file descriptor) [pid 5198] close(8) = -1 EBADF (Bad file descriptor) [pid 5198] close(9) = -1 EBADF (Bad file descriptor) [pid 5198] close(10) = -1 EBADF (Bad file descriptor) [pid 5198] close(11) = -1 EBADF (Bad file descriptor) [pid 5198] close(12) = -1 EBADF (Bad file descriptor) [pid 5198] close(13) = -1 EBADF (Bad file descriptor) [pid 5198] close(14) = -1 EBADF (Bad file descriptor) [pid 5198] close(15) = -1 EBADF (Bad file descriptor) [pid 5198] close(16) = -1 EBADF (Bad file descriptor) [pid 5198] close(17) = -1 EBADF (Bad file descriptor) [pid 5198] close(18) = -1 EBADF (Bad file descriptor) [pid 5198] close(19) = -1 EBADF (Bad file descriptor) [pid 5198] close(20) = -1 EBADF (Bad file descriptor) [pid 5198] close(21) = -1 EBADF (Bad file descriptor) [pid 5198] close(22) = -1 EBADF (Bad file descriptor) [pid 5198] close(23) = -1 EBADF (Bad file descriptor) [pid 5198] close(24) = -1 EBADF (Bad file descriptor) [pid 5198] close(25) = -1 EBADF (Bad file descriptor) [pid 5198] close(26) = -1 EBADF (Bad file descriptor) [pid 5198] close(27) = -1 EBADF (Bad file descriptor) [pid 5198] close(28) = -1 EBADF (Bad file descriptor) [pid 5198] close(29) = -1 EBADF (Bad file descriptor) [pid 5198] exit_group(0) = ? [pid 5198] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=129, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./127", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./127/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./127/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./127/cgroup.cpu") = 0 [pid 5062] umount2("./127/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./127/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./127/binderfs") = 0 [pid 5062] umount2("./127/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./127/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./127/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./127/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./127/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./127/file0") = 0 [pid 5062] umount2("./127/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./127/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./127/cgroup") = 0 [pid 5062] umount2("./127/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./127/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./127/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./127") = 0 [pid 5062] mkdir("./128", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5199 attached [pid 5199] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 130 [pid 5199] <... set_robust_list resumed>) = 0 [pid 5199] chdir("./128") = 0 [pid 5199] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5199] setpgid(0, 0) = 0 [pid 5199] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5199] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5199] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5199] write(3, "1000", 4) = 4 [pid 5199] close(3) = 0 [pid 5199] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5199] memfd_create("syzkaller", 0) = 3 [pid 5199] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5199] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5199] munmap(0x7f9497c79000, 138412032) = 0 [pid 5199] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5199] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5199] close(3) = 0 [pid 5199] mkdir("./file0", 0777) = 0 [ 161.425163][ T5199] loop0: detected capacity change from 0 to 4096 [ 161.449725][ T5199] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5199] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5199] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5199] chdir("./file0") = 0 [pid 5199] ioctl(4, LOOP_CLR_FD) = 0 [pid 5199] close(4) = 0 [ 161.484801][ T5199] ntfs: volume version 3.1. [pid 5199] creat("./file2", 000) = 4 [pid 5199] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5199] creat("./file2", 000) = 5 [pid 5199] close(3) = 0 [pid 5199] close(4) = 0 [pid 5199] close(5) = 0 [pid 5199] close(6) = -1 EBADF (Bad file descriptor) [pid 5199] close(7) = -1 EBADF (Bad file descriptor) [pid 5199] close(8) = -1 EBADF (Bad file descriptor) [pid 5199] close(9) = -1 EBADF (Bad file descriptor) [pid 5199] close(10) = -1 EBADF (Bad file descriptor) [pid 5199] close(11) = -1 EBADF (Bad file descriptor) [pid 5199] close(12) = -1 EBADF (Bad file descriptor) [pid 5199] close(13) = -1 EBADF (Bad file descriptor) [pid 5199] close(14) = -1 EBADF (Bad file descriptor) [pid 5199] close(15) = -1 EBADF (Bad file descriptor) [pid 5199] close(16) = -1 EBADF (Bad file descriptor) [pid 5199] close(17) = -1 EBADF (Bad file descriptor) [pid 5199] close(18) = -1 EBADF (Bad file descriptor) [pid 5199] close(19) = -1 EBADF (Bad file descriptor) [pid 5199] close(20) = -1 EBADF (Bad file descriptor) [pid 5199] close(21) = -1 EBADF (Bad file descriptor) [pid 5199] close(22) = -1 EBADF (Bad file descriptor) [pid 5199] close(23) = -1 EBADF (Bad file descriptor) [pid 5199] close(24) = -1 EBADF (Bad file descriptor) [pid 5199] close(25) = -1 EBADF (Bad file descriptor) [pid 5199] close(26) = -1 EBADF (Bad file descriptor) [pid 5199] close(27) = -1 EBADF (Bad file descriptor) [pid 5199] close(28) = -1 EBADF (Bad file descriptor) [pid 5199] close(29) = -1 EBADF (Bad file descriptor) [pid 5199] exit_group(0) = ? [pid 5199] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=130, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./128", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./128/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./128/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./128/cgroup.cpu") = 0 [pid 5062] umount2("./128/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./128/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./128/binderfs") = 0 [pid 5062] umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./128/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./128/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./128/file0") = 0 [pid 5062] umount2("./128/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./128/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./128/cgroup") = 0 [pid 5062] umount2("./128/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./128/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./128/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./128") = 0 [pid 5062] mkdir("./129", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5200 attached , child_tidptr=0x555556e8b650) = 131 [pid 5200] set_robust_list(0x555556e8b660, 24) = 0 [pid 5200] chdir("./129") = 0 [pid 5200] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5200] setpgid(0, 0) = 0 [pid 5200] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5200] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5200] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5200] write(3, "1000", 4) = 4 [pid 5200] close(3) = 0 [pid 5200] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5200] memfd_create("syzkaller", 0) = 3 [pid 5200] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5200] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5200] munmap(0x7f9497c79000, 138412032) = 0 [pid 5200] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5200] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5200] close(3) = 0 [pid 5200] mkdir("./file0", 0777) = 0 [ 161.986637][ T5200] loop0: detected capacity change from 0 to 4096 [ 162.006104][ T5200] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5200] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5200] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5200] chdir("./file0") = 0 [pid 5200] ioctl(4, LOOP_CLR_FD) = 0 [pid 5200] close(4) = 0 [ 162.040211][ T5200] ntfs: volume version 3.1. [pid 5200] creat("./file2", 000) = 4 [pid 5200] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5200] creat("./file2", 000) = 5 [pid 5200] close(3) = 0 [pid 5200] close(4) = 0 [pid 5200] close(5) = 0 [pid 5200] close(6) = -1 EBADF (Bad file descriptor) [pid 5200] close(7) = -1 EBADF (Bad file descriptor) [pid 5200] close(8) = -1 EBADF (Bad file descriptor) [pid 5200] close(9) = -1 EBADF (Bad file descriptor) [pid 5200] close(10) = -1 EBADF (Bad file descriptor) [pid 5200] close(11) = -1 EBADF (Bad file descriptor) [pid 5200] close(12) = -1 EBADF (Bad file descriptor) [pid 5200] close(13) = -1 EBADF (Bad file descriptor) [pid 5200] close(14) = -1 EBADF (Bad file descriptor) [pid 5200] close(15) = -1 EBADF (Bad file descriptor) [pid 5200] close(16) = -1 EBADF (Bad file descriptor) [pid 5200] close(17) = -1 EBADF (Bad file descriptor) [pid 5200] close(18) = -1 EBADF (Bad file descriptor) [pid 5200] close(19) = -1 EBADF (Bad file descriptor) [pid 5200] close(20) = -1 EBADF (Bad file descriptor) [pid 5200] close(21) = -1 EBADF (Bad file descriptor) [pid 5200] close(22) = -1 EBADF (Bad file descriptor) [pid 5200] close(23) = -1 EBADF (Bad file descriptor) [pid 5200] close(24) = -1 EBADF (Bad file descriptor) [pid 5200] close(25) = -1 EBADF (Bad file descriptor) [pid 5200] close(26) = -1 EBADF (Bad file descriptor) [pid 5200] close(27) = -1 EBADF (Bad file descriptor) [pid 5200] close(28) = -1 EBADF (Bad file descriptor) [pid 5200] close(29) = -1 EBADF (Bad file descriptor) [pid 5200] exit_group(0) = ? [pid 5200] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=131, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- [pid 5062] umount2("./129", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./129/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./129/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./129/cgroup.cpu") = 0 [pid 5062] umount2("./129/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./129/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./129/binderfs") = 0 [pid 5062] umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./129/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./129/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./129/file0") = 0 [pid 5062] umount2("./129/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./129/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./129/cgroup") = 0 [pid 5062] umount2("./129/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./129/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./129/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./129") = 0 [pid 5062] mkdir("./130", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5201 attached , child_tidptr=0x555556e8b650) = 132 [pid 5201] set_robust_list(0x555556e8b660, 24) = 0 [pid 5201] chdir("./130") = 0 [pid 5201] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5201] setpgid(0, 0) = 0 [pid 5201] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5201] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5201] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5201] write(3, "1000", 4) = 4 [pid 5201] close(3) = 0 [pid 5201] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5201] memfd_create("syzkaller", 0) = 3 [pid 5201] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5201] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5201] munmap(0x7f9497c79000, 138412032) = 0 [pid 5201] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5201] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5201] close(3) = 0 [pid 5201] mkdir("./file0", 0777) = 0 [ 162.596948][ T5201] loop0: detected capacity change from 0 to 4096 [ 162.612178][ T5201] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5201] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5201] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5201] chdir("./file0") = 0 [pid 5201] ioctl(4, LOOP_CLR_FD) = 0 [pid 5201] close(4) = 0 [ 162.647636][ T5201] ntfs: volume version 3.1. [pid 5201] creat("./file2", 000) = 4 [pid 5201] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5201] creat("./file2", 000) = 5 [pid 5201] close(3) = 0 [pid 5201] close(4) = 0 [pid 5201] close(5) = 0 [pid 5201] close(6) = -1 EBADF (Bad file descriptor) [pid 5201] close(7) = -1 EBADF (Bad file descriptor) [pid 5201] close(8) = -1 EBADF (Bad file descriptor) [pid 5201] close(9) = -1 EBADF (Bad file descriptor) [pid 5201] close(10) = -1 EBADF (Bad file descriptor) [pid 5201] close(11) = -1 EBADF (Bad file descriptor) [pid 5201] close(12) = -1 EBADF (Bad file descriptor) [pid 5201] close(13) = -1 EBADF (Bad file descriptor) [pid 5201] close(14) = -1 EBADF (Bad file descriptor) [pid 5201] close(15) = -1 EBADF (Bad file descriptor) [pid 5201] close(16) = -1 EBADF (Bad file descriptor) [pid 5201] close(17) = -1 EBADF (Bad file descriptor) [pid 5201] close(18) = -1 EBADF (Bad file descriptor) [pid 5201] close(19) = -1 EBADF (Bad file descriptor) [pid 5201] close(20) = -1 EBADF (Bad file descriptor) [pid 5201] close(21) = -1 EBADF (Bad file descriptor) [pid 5201] close(22) = -1 EBADF (Bad file descriptor) [pid 5201] close(23) = -1 EBADF (Bad file descriptor) [pid 5201] close(24) = -1 EBADF (Bad file descriptor) [pid 5201] close(25) = -1 EBADF (Bad file descriptor) [pid 5201] close(26) = -1 EBADF (Bad file descriptor) [pid 5201] close(27) = -1 EBADF (Bad file descriptor) [pid 5201] close(28) = -1 EBADF (Bad file descriptor) [pid 5201] close(29) = -1 EBADF (Bad file descriptor) [pid 5201] exit_group(0) = ? [pid 5201] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=132, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] umount2("./130", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./130/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./130/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./130/cgroup.cpu") = 0 [pid 5062] umount2("./130/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./130/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./130/binderfs") = 0 [pid 5062] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./130/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./130/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./130/file0") = 0 [pid 5062] umount2("./130/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./130/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./130/cgroup") = 0 [pid 5062] umount2("./130/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./130/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./130/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./130") = 0 [pid 5062] mkdir("./131", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5202 attached [pid 5202] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 133 [pid 5202] <... set_robust_list resumed>) = 0 [pid 5202] chdir("./131") = 0 [pid 5202] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5202] setpgid(0, 0) = 0 [pid 5202] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5202] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5202] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5202] write(3, "1000", 4) = 4 [pid 5202] close(3) = 0 [pid 5202] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5202] memfd_create("syzkaller", 0) = 3 [pid 5202] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5202] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5202] munmap(0x7f9497c79000, 138412032) = 0 [pid 5202] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5202] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5202] close(3) = 0 [pid 5202] mkdir("./file0", 0777) = 0 [pid 5202] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5202] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5202] chdir("./file0") = 0 [pid 5202] ioctl(4, LOOP_CLR_FD) = 0 [pid 5202] close(4) = 0 [ 163.191538][ T5202] loop0: detected capacity change from 0 to 4096 [ 163.201324][ T5202] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [ 163.235132][ T5202] ntfs: volume version 3.1. [pid 5202] creat("./file2", 000) = 4 [pid 5202] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5202] creat("./file2", 000) = 5 [pid 5202] close(3) = 0 [pid 5202] close(4) = 0 [pid 5202] close(5) = 0 [pid 5202] close(6) = -1 EBADF (Bad file descriptor) [pid 5202] close(7) = -1 EBADF (Bad file descriptor) [pid 5202] close(8) = -1 EBADF (Bad file descriptor) [pid 5202] close(9) = -1 EBADF (Bad file descriptor) [pid 5202] close(10) = -1 EBADF (Bad file descriptor) [pid 5202] close(11) = -1 EBADF (Bad file descriptor) [pid 5202] close(12) = -1 EBADF (Bad file descriptor) [pid 5202] close(13) = -1 EBADF (Bad file descriptor) [pid 5202] close(14) = -1 EBADF (Bad file descriptor) [pid 5202] close(15) = -1 EBADF (Bad file descriptor) [pid 5202] close(16) = -1 EBADF (Bad file descriptor) [pid 5202] close(17) = -1 EBADF (Bad file descriptor) [pid 5202] close(18) = -1 EBADF (Bad file descriptor) [pid 5202] close(19) = -1 EBADF (Bad file descriptor) [pid 5202] close(20) = -1 EBADF (Bad file descriptor) [pid 5202] close(21) = -1 EBADF (Bad file descriptor) [pid 5202] close(22) = -1 EBADF (Bad file descriptor) [pid 5202] close(23) = -1 EBADF (Bad file descriptor) [pid 5202] close(24) = -1 EBADF (Bad file descriptor) [pid 5202] close(25) = -1 EBADF (Bad file descriptor) [pid 5202] close(26) = -1 EBADF (Bad file descriptor) [pid 5202] close(27) = -1 EBADF (Bad file descriptor) [pid 5202] close(28) = -1 EBADF (Bad file descriptor) [pid 5202] close(29) = -1 EBADF (Bad file descriptor) [pid 5202] exit_group(0) = ? [pid 5202] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=133, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] umount2("./131", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./131/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./131/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./131/cgroup.cpu") = 0 [pid 5062] umount2("./131/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./131/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./131/binderfs") = 0 [pid 5062] umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./131/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./131/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./131/file0") = 0 [pid 5062] umount2("./131/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./131/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./131/cgroup") = 0 [pid 5062] umount2("./131/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./131/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./131/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./131") = 0 [pid 5062] mkdir("./132", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5203 attached [pid 5203] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 134 [pid 5203] <... set_robust_list resumed>) = 0 [pid 5203] chdir("./132") = 0 [pid 5203] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5203] setpgid(0, 0) = 0 [pid 5203] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5203] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5203] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5203] write(3, "1000", 4) = 4 [pid 5203] close(3) = 0 [pid 5203] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5203] memfd_create("syzkaller", 0) = 3 [pid 5203] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5203] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5203] munmap(0x7f9497c79000, 138412032) = 0 [pid 5203] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5203] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5203] close(3) = 0 [pid 5203] mkdir("./file0", 0777) = 0 [ 163.740028][ T5203] loop0: detected capacity change from 0 to 4096 [ 163.758729][ T5203] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5203] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5203] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5203] chdir("./file0") = 0 [pid 5203] ioctl(4, LOOP_CLR_FD) = 0 [pid 5203] close(4) = 0 [pid 5203] creat("./file2", 000) = 4 [ 163.794376][ T5203] ntfs: volume version 3.1. [pid 5203] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5203] creat("./file2", 000) = 5 [pid 5203] close(3) = 0 [pid 5203] close(4) = 0 [pid 5203] close(5) = 0 [pid 5203] close(6) = -1 EBADF (Bad file descriptor) [pid 5203] close(7) = -1 EBADF (Bad file descriptor) [pid 5203] close(8) = -1 EBADF (Bad file descriptor) [pid 5203] close(9) = -1 EBADF (Bad file descriptor) [pid 5203] close(10) = -1 EBADF (Bad file descriptor) [pid 5203] close(11) = -1 EBADF (Bad file descriptor) [pid 5203] close(12) = -1 EBADF (Bad file descriptor) [pid 5203] close(13) = -1 EBADF (Bad file descriptor) [pid 5203] close(14) = -1 EBADF (Bad file descriptor) [pid 5203] close(15) = -1 EBADF (Bad file descriptor) [pid 5203] close(16) = -1 EBADF (Bad file descriptor) [pid 5203] close(17) = -1 EBADF (Bad file descriptor) [pid 5203] close(18) = -1 EBADF (Bad file descriptor) [pid 5203] close(19) = -1 EBADF (Bad file descriptor) [pid 5203] close(20) = -1 EBADF (Bad file descriptor) [pid 5203] close(21) = -1 EBADF (Bad file descriptor) [pid 5203] close(22) = -1 EBADF (Bad file descriptor) [pid 5203] close(23) = -1 EBADF (Bad file descriptor) [pid 5203] close(24) = -1 EBADF (Bad file descriptor) [pid 5203] close(25) = -1 EBADF (Bad file descriptor) [pid 5203] close(26) = -1 EBADF (Bad file descriptor) [pid 5203] close(27) = -1 EBADF (Bad file descriptor) [pid 5203] close(28) = -1 EBADF (Bad file descriptor) [pid 5203] close(29) = -1 EBADF (Bad file descriptor) [pid 5203] exit_group(0) = ? [pid 5203] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=134, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5062] umount2("./132", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./132/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./132/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./132/cgroup.cpu") = 0 [pid 5062] umount2("./132/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./132/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./132/binderfs") = 0 [pid 5062] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./132/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./132/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./132/file0") = 0 [pid 5062] umount2("./132/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./132/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./132/cgroup") = 0 [pid 5062] umount2("./132/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./132/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./132/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./132") = 0 [pid 5062] mkdir("./133", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5204 attached , child_tidptr=0x555556e8b650) = 135 [pid 5204] set_robust_list(0x555556e8b660, 24) = 0 [pid 5204] chdir("./133") = 0 [pid 5204] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5204] setpgid(0, 0) = 0 [pid 5204] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5204] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5204] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5204] write(3, "1000", 4) = 4 [pid 5204] close(3) = 0 [pid 5204] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5204] memfd_create("syzkaller", 0) = 3 [pid 5204] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5204] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5204] munmap(0x7f9497c79000, 138412032) = 0 [pid 5204] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5204] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5204] close(3) = 0 [pid 5204] mkdir("./file0", 0777) = 0 [ 164.276230][ T5204] loop0: detected capacity change from 0 to 4096 [ 164.291137][ T5204] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5204] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5204] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5204] chdir("./file0") = 0 [pid 5204] ioctl(4, LOOP_CLR_FD) = 0 [pid 5204] close(4) = 0 [ 164.324646][ T5204] ntfs: volume version 3.1. [pid 5204] creat("./file2", 000) = 4 [pid 5204] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5204] creat("./file2", 000) = 5 [pid 5204] close(3) = 0 [pid 5204] close(4) = 0 [pid 5204] close(5) = 0 [pid 5204] close(6) = -1 EBADF (Bad file descriptor) [pid 5204] close(7) = -1 EBADF (Bad file descriptor) [pid 5204] close(8) = -1 EBADF (Bad file descriptor) [pid 5204] close(9) = -1 EBADF (Bad file descriptor) [pid 5204] close(10) = -1 EBADF (Bad file descriptor) [pid 5204] close(11) = -1 EBADF (Bad file descriptor) [pid 5204] close(12) = -1 EBADF (Bad file descriptor) [pid 5204] close(13) = -1 EBADF (Bad file descriptor) [pid 5204] close(14) = -1 EBADF (Bad file descriptor) [pid 5204] close(15) = -1 EBADF (Bad file descriptor) [pid 5204] close(16) = -1 EBADF (Bad file descriptor) [pid 5204] close(17) = -1 EBADF (Bad file descriptor) [pid 5204] close(18) = -1 EBADF (Bad file descriptor) [pid 5204] close(19) = -1 EBADF (Bad file descriptor) [pid 5204] close(20) = -1 EBADF (Bad file descriptor) [pid 5204] close(21) = -1 EBADF (Bad file descriptor) [pid 5204] close(22) = -1 EBADF (Bad file descriptor) [pid 5204] close(23) = -1 EBADF (Bad file descriptor) [pid 5204] close(24) = -1 EBADF (Bad file descriptor) [pid 5204] close(25) = -1 EBADF (Bad file descriptor) [pid 5204] close(26) = -1 EBADF (Bad file descriptor) [pid 5204] close(27) = -1 EBADF (Bad file descriptor) [pid 5204] close(28) = -1 EBADF (Bad file descriptor) [pid 5204] close(29) = -1 EBADF (Bad file descriptor) [pid 5204] exit_group(0) = ? [pid 5204] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=135, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] umount2("./133", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./133/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./133/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./133/cgroup.cpu") = 0 [pid 5062] umount2("./133/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./133/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./133/binderfs") = 0 [pid 5062] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./133/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./133/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./133/file0") = 0 [pid 5062] umount2("./133/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./133/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./133/cgroup") = 0 [pid 5062] umount2("./133/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./133/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./133/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./133") = 0 [pid 5062] mkdir("./134", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5205 attached [pid 5205] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 136 [pid 5205] <... set_robust_list resumed>) = 0 [pid 5205] chdir("./134") = 0 [pid 5205] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5205] setpgid(0, 0) = 0 [pid 5205] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5205] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5205] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5205] write(3, "1000", 4) = 4 [pid 5205] close(3) = 0 [pid 5205] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5205] memfd_create("syzkaller", 0) = 3 [pid 5205] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5205] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5205] munmap(0x7f9497c79000, 138412032) = 0 [pid 5205] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5205] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5205] close(3) = 0 [pid 5205] mkdir("./file0", 0777) = 0 [ 164.899735][ T5205] loop0: detected capacity change from 0 to 4096 [ 164.925667][ T5205] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5205] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5205] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5205] chdir("./file0") = 0 [pid 5205] ioctl(4, LOOP_CLR_FD) = 0 [ 164.961622][ T5205] ntfs: volume version 3.1. [pid 5205] close(4) = 0 [pid 5205] creat("./file2", 000) = 4 [pid 5205] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5205] creat("./file2", 000) = 5 [pid 5205] close(3) = 0 [pid 5205] close(4) = 0 [pid 5205] close(5) = 0 [pid 5205] close(6) = -1 EBADF (Bad file descriptor) [pid 5205] close(7) = -1 EBADF (Bad file descriptor) [pid 5205] close(8) = -1 EBADF (Bad file descriptor) [pid 5205] close(9) = -1 EBADF (Bad file descriptor) [pid 5205] close(10) = -1 EBADF (Bad file descriptor) [pid 5205] close(11) = -1 EBADF (Bad file descriptor) [pid 5205] close(12) = -1 EBADF (Bad file descriptor) [pid 5205] close(13) = -1 EBADF (Bad file descriptor) [pid 5205] close(14) = -1 EBADF (Bad file descriptor) [pid 5205] close(15) = -1 EBADF (Bad file descriptor) [pid 5205] close(16) = -1 EBADF (Bad file descriptor) [pid 5205] close(17) = -1 EBADF (Bad file descriptor) [pid 5205] close(18) = -1 EBADF (Bad file descriptor) [pid 5205] close(19) = -1 EBADF (Bad file descriptor) [pid 5205] close(20) = -1 EBADF (Bad file descriptor) [pid 5205] close(21) = -1 EBADF (Bad file descriptor) [pid 5205] close(22) = -1 EBADF (Bad file descriptor) [pid 5205] close(23) = -1 EBADF (Bad file descriptor) [pid 5205] close(24) = -1 EBADF (Bad file descriptor) [pid 5205] close(25) = -1 EBADF (Bad file descriptor) [pid 5205] close(26) = -1 EBADF (Bad file descriptor) [pid 5205] close(27) = -1 EBADF (Bad file descriptor) [pid 5205] close(28) = -1 EBADF (Bad file descriptor) [pid 5205] close(29) = -1 EBADF (Bad file descriptor) [pid 5205] exit_group(0) = ? [pid 5205] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=136, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./134", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./134/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./134/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./134/cgroup.cpu") = 0 [pid 5062] umount2("./134/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./134/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./134/binderfs") = 0 [pid 5062] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./134/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./134/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./134/file0") = 0 [pid 5062] umount2("./134/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./134/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./134/cgroup") = 0 [pid 5062] umount2("./134/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./134/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./134/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./134") = 0 [pid 5062] mkdir("./135", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5206 attached [pid 5206] set_robust_list(0x555556e8b660, 24) = 0 [pid 5206] chdir("./135" [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 137 [pid 5206] <... chdir resumed>) = 0 [pid 5206] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5206] setpgid(0, 0) = 0 [pid 5206] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5206] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5206] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5206] write(3, "1000", 4) = 4 [pid 5206] close(3) = 0 [pid 5206] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5206] memfd_create("syzkaller", 0) = 3 [pid 5206] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5206] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5206] munmap(0x7f9497c79000, 138412032) = 0 [pid 5206] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5206] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5206] close(3) = 0 [pid 5206] mkdir("./file0", 0777) = 0 [ 165.509725][ T5206] loop0: detected capacity change from 0 to 4096 [ 165.534812][ T5206] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5206] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5206] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5206] chdir("./file0") = 0 [pid 5206] ioctl(4, LOOP_CLR_FD) = 0 [pid 5206] close(4) = 0 [pid 5206] creat("./file2", 000) = 4 [ 165.570573][ T5206] ntfs: volume version 3.1. [pid 5206] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5206] creat("./file2", 000) = 5 [pid 5206] close(3) = 0 [pid 5206] close(4) = 0 [pid 5206] close(5) = 0 [pid 5206] close(6) = -1 EBADF (Bad file descriptor) [pid 5206] close(7) = -1 EBADF (Bad file descriptor) [pid 5206] close(8) = -1 EBADF (Bad file descriptor) [pid 5206] close(9) = -1 EBADF (Bad file descriptor) [pid 5206] close(10) = -1 EBADF (Bad file descriptor) [pid 5206] close(11) = -1 EBADF (Bad file descriptor) [pid 5206] close(12) = -1 EBADF (Bad file descriptor) [pid 5206] close(13) = -1 EBADF (Bad file descriptor) [pid 5206] close(14) = -1 EBADF (Bad file descriptor) [pid 5206] close(15) = -1 EBADF (Bad file descriptor) [pid 5206] close(16) = -1 EBADF (Bad file descriptor) [pid 5206] close(17) = -1 EBADF (Bad file descriptor) [pid 5206] close(18) = -1 EBADF (Bad file descriptor) [pid 5206] close(19) = -1 EBADF (Bad file descriptor) [pid 5206] close(20) = -1 EBADF (Bad file descriptor) [pid 5206] close(21) = -1 EBADF (Bad file descriptor) [pid 5206] close(22) = -1 EBADF (Bad file descriptor) [pid 5206] close(23) = -1 EBADF (Bad file descriptor) [pid 5206] close(24) = -1 EBADF (Bad file descriptor) [pid 5206] close(25) = -1 EBADF (Bad file descriptor) [pid 5206] close(26) = -1 EBADF (Bad file descriptor) [pid 5206] close(27) = -1 EBADF (Bad file descriptor) [pid 5206] close(28) = -1 EBADF (Bad file descriptor) [pid 5206] close(29) = -1 EBADF (Bad file descriptor) [pid 5206] exit_group(0) = ? [pid 5206] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=137, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] umount2("./135", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./135/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./135/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./135/cgroup.cpu") = 0 [pid 5062] umount2("./135/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./135/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./135/binderfs") = 0 [pid 5062] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./135/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./135/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./135/file0") = 0 [pid 5062] umount2("./135/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./135/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./135/cgroup") = 0 [pid 5062] umount2("./135/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./135/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./135/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./135") = 0 [pid 5062] mkdir("./136", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5207 attached , child_tidptr=0x555556e8b650) = 138 [pid 5207] set_robust_list(0x555556e8b660, 24) = 0 [pid 5207] chdir("./136") = 0 [pid 5207] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5207] setpgid(0, 0) = 0 [pid 5207] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5207] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5207] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5207] write(3, "1000", 4) = 4 [pid 5207] close(3) = 0 [pid 5207] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5207] memfd_create("syzkaller", 0) = 3 [pid 5207] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5207] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5207] munmap(0x7f9497c79000, 138412032) = 0 [pid 5207] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5207] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5207] close(3) = 0 [pid 5207] mkdir("./file0", 0777) = 0 [ 166.163997][ T5207] loop0: detected capacity change from 0 to 4096 [ 166.183054][ T5207] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5207] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5207] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5207] chdir("./file0") = 0 [pid 5207] ioctl(4, LOOP_CLR_FD) = 0 [pid 5207] close(4) = 0 [ 166.217177][ T5207] ntfs: volume version 3.1. [pid 5207] creat("./file2", 000) = 4 [pid 5207] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5207] creat("./file2", 000) = 5 [pid 5207] close(3) = 0 [pid 5207] close(4) = 0 [pid 5207] close(5) = 0 [pid 5207] close(6) = -1 EBADF (Bad file descriptor) [pid 5207] close(7) = -1 EBADF (Bad file descriptor) [pid 5207] close(8) = -1 EBADF (Bad file descriptor) [pid 5207] close(9) = -1 EBADF (Bad file descriptor) [pid 5207] close(10) = -1 EBADF (Bad file descriptor) [pid 5207] close(11) = -1 EBADF (Bad file descriptor) [pid 5207] close(12) = -1 EBADF (Bad file descriptor) [pid 5207] close(13) = -1 EBADF (Bad file descriptor) [pid 5207] close(14) = -1 EBADF (Bad file descriptor) [pid 5207] close(15) = -1 EBADF (Bad file descriptor) [pid 5207] close(16) = -1 EBADF (Bad file descriptor) [pid 5207] close(17) = -1 EBADF (Bad file descriptor) [pid 5207] close(18) = -1 EBADF (Bad file descriptor) [pid 5207] close(19) = -1 EBADF (Bad file descriptor) [pid 5207] close(20) = -1 EBADF (Bad file descriptor) [pid 5207] close(21) = -1 EBADF (Bad file descriptor) [pid 5207] close(22) = -1 EBADF (Bad file descriptor) [pid 5207] close(23) = -1 EBADF (Bad file descriptor) [pid 5207] close(24) = -1 EBADF (Bad file descriptor) [pid 5207] close(25) = -1 EBADF (Bad file descriptor) [pid 5207] close(26) = -1 EBADF (Bad file descriptor) [pid 5207] close(27) = -1 EBADF (Bad file descriptor) [pid 5207] close(28) = -1 EBADF (Bad file descriptor) [pid 5207] close(29) = -1 EBADF (Bad file descriptor) [pid 5207] exit_group(0) = ? [pid 5207] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=138, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5062] umount2("./136", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./136/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./136/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./136/cgroup.cpu") = 0 [pid 5062] umount2("./136/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./136/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./136/binderfs") = 0 [pid 5062] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./136/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./136/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./136/file0") = 0 [pid 5062] umount2("./136/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./136/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./136/cgroup") = 0 [pid 5062] umount2("./136/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./136/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./136/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./136") = 0 [pid 5062] mkdir("./137", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5208 attached [pid 5208] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 139 [pid 5208] <... set_robust_list resumed>) = 0 [pid 5208] chdir("./137") = 0 [pid 5208] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5208] setpgid(0, 0) = 0 [pid 5208] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5208] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5208] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5208] write(3, "1000", 4) = 4 [pid 5208] close(3) = 0 [pid 5208] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5208] memfd_create("syzkaller", 0) = 3 [pid 5208] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5208] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5208] munmap(0x7f9497c79000, 138412032) = 0 [pid 5208] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5208] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5208] close(3) = 0 [pid 5208] mkdir("./file0", 0777) = 0 [ 166.793814][ T5208] loop0: detected capacity change from 0 to 4096 [ 166.818863][ T5208] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5208] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5208] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5208] chdir("./file0") = 0 [pid 5208] ioctl(4, LOOP_CLR_FD) = 0 [pid 5208] close(4) = 0 [pid 5208] creat("./file2", 000) = 4 [ 166.851386][ T5208] ntfs: volume version 3.1. [pid 5208] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5208] creat("./file2", 000) = 5 [pid 5208] close(3) = 0 [pid 5208] close(4) = 0 [pid 5208] close(5) = 0 [pid 5208] close(6) = -1 EBADF (Bad file descriptor) [pid 5208] close(7) = -1 EBADF (Bad file descriptor) [pid 5208] close(8) = -1 EBADF (Bad file descriptor) [pid 5208] close(9) = -1 EBADF (Bad file descriptor) [pid 5208] close(10) = -1 EBADF (Bad file descriptor) [pid 5208] close(11) = -1 EBADF (Bad file descriptor) [pid 5208] close(12) = -1 EBADF (Bad file descriptor) [pid 5208] close(13) = -1 EBADF (Bad file descriptor) [pid 5208] close(14) = -1 EBADF (Bad file descriptor) [pid 5208] close(15) = -1 EBADF (Bad file descriptor) [pid 5208] close(16) = -1 EBADF (Bad file descriptor) [pid 5208] close(17) = -1 EBADF (Bad file descriptor) [pid 5208] close(18) = -1 EBADF (Bad file descriptor) [pid 5208] close(19) = -1 EBADF (Bad file descriptor) [pid 5208] close(20) = -1 EBADF (Bad file descriptor) [pid 5208] close(21) = -1 EBADF (Bad file descriptor) [pid 5208] close(22) = -1 EBADF (Bad file descriptor) [pid 5208] close(23) = -1 EBADF (Bad file descriptor) [pid 5208] close(24) = -1 EBADF (Bad file descriptor) [pid 5208] close(25) = -1 EBADF (Bad file descriptor) [pid 5208] close(26) = -1 EBADF (Bad file descriptor) [pid 5208] close(27) = -1 EBADF (Bad file descriptor) [pid 5208] close(28) = -1 EBADF (Bad file descriptor) [pid 5208] close(29) = -1 EBADF (Bad file descriptor) [pid 5208] exit_group(0) = ? [pid 5208] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=139, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] umount2("./137", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./137/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./137/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./137/cgroup.cpu") = 0 [pid 5062] umount2("./137/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./137/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./137/binderfs") = 0 [pid 5062] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./137/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./137/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./137/file0") = 0 [pid 5062] umount2("./137/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./137/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./137/cgroup") = 0 [pid 5062] umount2("./137/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./137/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./137/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./137") = 0 [pid 5062] mkdir("./138", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5209 attached [pid 5209] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 140 [pid 5209] <... set_robust_list resumed>) = 0 [pid 5209] chdir("./138") = 0 [pid 5209] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5209] setpgid(0, 0) = 0 [pid 5209] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5209] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5209] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5209] write(3, "1000", 4) = 4 [pid 5209] close(3) = 0 [pid 5209] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5209] memfd_create("syzkaller", 0) = 3 [pid 5209] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5209] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5209] munmap(0x7f9497c79000, 138412032) = 0 [pid 5209] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5209] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5209] close(3) = 0 [pid 5209] mkdir("./file0", 0777) = 0 [ 167.432189][ T5209] loop0: detected capacity change from 0 to 4096 [ 167.453014][ T5209] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5209] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5209] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5209] chdir("./file0") = 0 [pid 5209] ioctl(4, LOOP_CLR_FD) = 0 [pid 5209] close(4) = 0 [ 167.487640][ T5209] ntfs: volume version 3.1. [pid 5209] creat("./file2", 000) = 4 [pid 5209] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5209] creat("./file2", 000) = 5 [pid 5209] close(3) = 0 [pid 5209] close(4) = 0 [pid 5209] close(5) = 0 [pid 5209] close(6) = -1 EBADF (Bad file descriptor) [pid 5209] close(7) = -1 EBADF (Bad file descriptor) [pid 5209] close(8) = -1 EBADF (Bad file descriptor) [pid 5209] close(9) = -1 EBADF (Bad file descriptor) [pid 5209] close(10) = -1 EBADF (Bad file descriptor) [pid 5209] close(11) = -1 EBADF (Bad file descriptor) [pid 5209] close(12) = -1 EBADF (Bad file descriptor) [pid 5209] close(13) = -1 EBADF (Bad file descriptor) [pid 5209] close(14) = -1 EBADF (Bad file descriptor) [pid 5209] close(15) = -1 EBADF (Bad file descriptor) [pid 5209] close(16) = -1 EBADF (Bad file descriptor) [pid 5209] close(17) = -1 EBADF (Bad file descriptor) [pid 5209] close(18) = -1 EBADF (Bad file descriptor) [pid 5209] close(19) = -1 EBADF (Bad file descriptor) [pid 5209] close(20) = -1 EBADF (Bad file descriptor) [pid 5209] close(21) = -1 EBADF (Bad file descriptor) [pid 5209] close(22) = -1 EBADF (Bad file descriptor) [pid 5209] close(23) = -1 EBADF (Bad file descriptor) [pid 5209] close(24) = -1 EBADF (Bad file descriptor) [pid 5209] close(25) = -1 EBADF (Bad file descriptor) [pid 5209] close(26) = -1 EBADF (Bad file descriptor) [pid 5209] close(27) = -1 EBADF (Bad file descriptor) [pid 5209] close(28) = -1 EBADF (Bad file descriptor) [pid 5209] close(29) = -1 EBADF (Bad file descriptor) [pid 5209] exit_group(0) = ? [pid 5209] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=140, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] umount2("./138", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./138/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./138/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./138/cgroup.cpu") = 0 [pid 5062] umount2("./138/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./138/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./138/binderfs") = 0 [pid 5062] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./138/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./138/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./138/file0") = 0 [pid 5062] umount2("./138/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./138/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./138/cgroup") = 0 [pid 5062] umount2("./138/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./138/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./138/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./138") = 0 [pid 5062] mkdir("./139", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5210 attached [pid 5210] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 141 [pid 5210] <... set_robust_list resumed>) = 0 [pid 5210] chdir("./139") = 0 [pid 5210] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5210] setpgid(0, 0) = 0 [pid 5210] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5210] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5210] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5210] write(3, "1000", 4) = 4 [pid 5210] close(3) = 0 [pid 5210] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5210] memfd_create("syzkaller", 0) = 3 [pid 5210] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5210] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5210] munmap(0x7f9497c79000, 138412032) = 0 [pid 5210] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5210] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5210] close(3) = 0 [pid 5210] mkdir("./file0", 0777) = 0 [ 168.058555][ T5210] loop0: detected capacity change from 0 to 4096 [pid 5210] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5210] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5210] chdir("./file0") = 0 [pid 5210] ioctl(4, LOOP_CLR_FD) = 0 [pid 5210] close(4) = 0 [ 168.089115][ T5210] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [ 168.121931][ T5210] ntfs: volume version 3.1. [pid 5210] creat("./file2", 000) = 4 [pid 5210] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5210] creat("./file2", 000) = 5 [pid 5210] close(3) = 0 [pid 5210] close(4) = 0 [pid 5210] close(5) = 0 [pid 5210] close(6) = -1 EBADF (Bad file descriptor) [pid 5210] close(7) = -1 EBADF (Bad file descriptor) [pid 5210] close(8) = -1 EBADF (Bad file descriptor) [pid 5210] close(9) = -1 EBADF (Bad file descriptor) [pid 5210] close(10) = -1 EBADF (Bad file descriptor) [pid 5210] close(11) = -1 EBADF (Bad file descriptor) [pid 5210] close(12) = -1 EBADF (Bad file descriptor) [pid 5210] close(13) = -1 EBADF (Bad file descriptor) [pid 5210] close(14) = -1 EBADF (Bad file descriptor) [pid 5210] close(15) = -1 EBADF (Bad file descriptor) [pid 5210] close(16) = -1 EBADF (Bad file descriptor) [pid 5210] close(17) = -1 EBADF (Bad file descriptor) [pid 5210] close(18) = -1 EBADF (Bad file descriptor) [pid 5210] close(19) = -1 EBADF (Bad file descriptor) [pid 5210] close(20) = -1 EBADF (Bad file descriptor) [pid 5210] close(21) = -1 EBADF (Bad file descriptor) [pid 5210] close(22) = -1 EBADF (Bad file descriptor) [pid 5210] close(23) = -1 EBADF (Bad file descriptor) [pid 5210] close(24) = -1 EBADF (Bad file descriptor) [pid 5210] close(25) = -1 EBADF (Bad file descriptor) [pid 5210] close(26) = -1 EBADF (Bad file descriptor) [pid 5210] close(27) = -1 EBADF (Bad file descriptor) [pid 5210] close(28) = -1 EBADF (Bad file descriptor) [pid 5210] close(29) = -1 EBADF (Bad file descriptor) [pid 5210] exit_group(0) = ? [pid 5210] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=141, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] umount2("./139", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./139/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./139/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./139/cgroup.cpu") = 0 [pid 5062] umount2("./139/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./139/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./139/binderfs") = 0 [pid 5062] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./139/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./139/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./139/file0") = 0 [pid 5062] umount2("./139/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./139/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./139/cgroup") = 0 [pid 5062] umount2("./139/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./139/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./139/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./139") = 0 [pid 5062] mkdir("./140", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5211 attached , child_tidptr=0x555556e8b650) = 142 [pid 5211] set_robust_list(0x555556e8b660, 24) = 0 [pid 5211] chdir("./140") = 0 [pid 5211] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5211] setpgid(0, 0) = 0 [pid 5211] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5211] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5211] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5211] write(3, "1000", 4) = 4 [pid 5211] close(3) = 0 [pid 5211] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5211] memfd_create("syzkaller", 0) = 3 [pid 5211] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5211] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5211] munmap(0x7f9497c79000, 138412032) = 0 [pid 5211] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5211] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5211] close(3) = 0 [pid 5211] mkdir("./file0", 0777) = 0 [ 168.635800][ T5211] loop0: detected capacity change from 0 to 4096 [ 168.661188][ T5211] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5211] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5211] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5211] chdir("./file0") = 0 [pid 5211] ioctl(4, LOOP_CLR_FD) = 0 [pid 5211] close(4) = 0 [ 168.695831][ T5211] ntfs: volume version 3.1. [pid 5211] creat("./file2", 000) = 4 [pid 5211] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5211] creat("./file2", 000) = 5 [pid 5211] close(3) = 0 [pid 5211] close(4) = 0 [pid 5211] close(5) = 0 [pid 5211] close(6) = -1 EBADF (Bad file descriptor) [pid 5211] close(7) = -1 EBADF (Bad file descriptor) [pid 5211] close(8) = -1 EBADF (Bad file descriptor) [pid 5211] close(9) = -1 EBADF (Bad file descriptor) [pid 5211] close(10) = -1 EBADF (Bad file descriptor) [pid 5211] close(11) = -1 EBADF (Bad file descriptor) [pid 5211] close(12) = -1 EBADF (Bad file descriptor) [pid 5211] close(13) = -1 EBADF (Bad file descriptor) [pid 5211] close(14) = -1 EBADF (Bad file descriptor) [pid 5211] close(15) = -1 EBADF (Bad file descriptor) [pid 5211] close(16) = -1 EBADF (Bad file descriptor) [pid 5211] close(17) = -1 EBADF (Bad file descriptor) [pid 5211] close(18) = -1 EBADF (Bad file descriptor) [pid 5211] close(19) = -1 EBADF (Bad file descriptor) [pid 5211] close(20) = -1 EBADF (Bad file descriptor) [pid 5211] close(21) = -1 EBADF (Bad file descriptor) [pid 5211] close(22) = -1 EBADF (Bad file descriptor) [pid 5211] close(23) = -1 EBADF (Bad file descriptor) [pid 5211] close(24) = -1 EBADF (Bad file descriptor) [pid 5211] close(25) = -1 EBADF (Bad file descriptor) [pid 5211] close(26) = -1 EBADF (Bad file descriptor) [pid 5211] close(27) = -1 EBADF (Bad file descriptor) [pid 5211] close(28) = -1 EBADF (Bad file descriptor) [pid 5211] close(29) = -1 EBADF (Bad file descriptor) [pid 5211] exit_group(0) = ? [pid 5211] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=142, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5062] umount2("./140", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./140/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./140/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./140/cgroup.cpu") = 0 [pid 5062] umount2("./140/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./140/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./140/binderfs") = 0 [pid 5062] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./140/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./140/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./140/file0") = 0 [pid 5062] umount2("./140/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./140/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./140/cgroup") = 0 [pid 5062] umount2("./140/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./140/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./140/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./140") = 0 [pid 5062] mkdir("./141", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5212 attached , child_tidptr=0x555556e8b650) = 143 [pid 5212] set_robust_list(0x555556e8b660, 24) = 0 [pid 5212] chdir("./141") = 0 [pid 5212] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5212] setpgid(0, 0) = 0 [pid 5212] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5212] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5212] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5212] write(3, "1000", 4) = 4 [pid 5212] close(3) = 0 [pid 5212] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5212] memfd_create("syzkaller", 0) = 3 [pid 5212] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5212] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5212] munmap(0x7f9497c79000, 138412032) = 0 [pid 5212] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5212] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5212] close(3) = 0 [pid 5212] mkdir("./file0", 0777) = 0 [pid 5212] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5212] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5212] chdir("./file0") = 0 [ 169.296675][ T5212] loop0: detected capacity change from 0 to 4096 [ 169.306148][ T5212] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [ 169.340579][ T5212] ntfs: volume version 3.1. [pid 5212] ioctl(4, LOOP_CLR_FD) = 0 [pid 5212] close(4) = 0 [pid 5212] creat("./file2", 000) = 4 [pid 5212] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5212] creat("./file2", 000) = 5 [pid 5212] close(3) = 0 [pid 5212] close(4) = 0 [pid 5212] close(5) = 0 [pid 5212] close(6) = -1 EBADF (Bad file descriptor) [pid 5212] close(7) = -1 EBADF (Bad file descriptor) [pid 5212] close(8) = -1 EBADF (Bad file descriptor) [pid 5212] close(9) = -1 EBADF (Bad file descriptor) [pid 5212] close(10) = -1 EBADF (Bad file descriptor) [pid 5212] close(11) = -1 EBADF (Bad file descriptor) [pid 5212] close(12) = -1 EBADF (Bad file descriptor) [pid 5212] close(13) = -1 EBADF (Bad file descriptor) [pid 5212] close(14) = -1 EBADF (Bad file descriptor) [pid 5212] close(15) = -1 EBADF (Bad file descriptor) [pid 5212] close(16) = -1 EBADF (Bad file descriptor) [pid 5212] close(17) = -1 EBADF (Bad file descriptor) [pid 5212] close(18) = -1 EBADF (Bad file descriptor) [pid 5212] close(19) = -1 EBADF (Bad file descriptor) [pid 5212] close(20) = -1 EBADF (Bad file descriptor) [pid 5212] close(21) = -1 EBADF (Bad file descriptor) [pid 5212] close(22) = -1 EBADF (Bad file descriptor) [pid 5212] close(23) = -1 EBADF (Bad file descriptor) [pid 5212] close(24) = -1 EBADF (Bad file descriptor) [pid 5212] close(25) = -1 EBADF (Bad file descriptor) [pid 5212] close(26) = -1 EBADF (Bad file descriptor) [pid 5212] close(27) = -1 EBADF (Bad file descriptor) [pid 5212] close(28) = -1 EBADF (Bad file descriptor) [pid 5212] close(29) = -1 EBADF (Bad file descriptor) [pid 5212] exit_group(0) = ? [pid 5212] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=143, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./141", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./141/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./141/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./141/cgroup.cpu") = 0 [pid 5062] umount2("./141/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./141/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./141/binderfs") = 0 [pid 5062] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./141/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./141/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./141/file0") = 0 [pid 5062] umount2("./141/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./141/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./141/cgroup") = 0 [pid 5062] umount2("./141/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./141/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./141/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./141") = 0 [pid 5062] mkdir("./142", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5213 attached , child_tidptr=0x555556e8b650) = 144 [pid 5213] set_robust_list(0x555556e8b660, 24) = 0 [pid 5213] chdir("./142") = 0 [pid 5213] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5213] setpgid(0, 0) = 0 [pid 5213] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5213] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5213] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5213] write(3, "1000", 4) = 4 [pid 5213] close(3) = 0 [pid 5213] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5213] memfd_create("syzkaller", 0) = 3 [pid 5213] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5213] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5213] munmap(0x7f9497c79000, 138412032) = 0 [pid 5213] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5213] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5213] close(3) = 0 [pid 5213] mkdir("./file0", 0777) = 0 [ 169.917907][ T5213] loop0: detected capacity change from 0 to 4096 [ 169.932777][ T5213] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5213] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5213] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5213] chdir("./file0") = 0 [pid 5213] ioctl(4, LOOP_CLR_FD) = 0 [ 169.966693][ T5213] ntfs: volume version 3.1. [pid 5213] close(4) = 0 [pid 5213] creat("./file2", 000) = 4 [pid 5213] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5213] creat("./file2", 000) = 5 [pid 5213] close(3) = 0 [pid 5213] close(4) = 0 [pid 5213] close(5) = 0 [pid 5213] close(6) = -1 EBADF (Bad file descriptor) [pid 5213] close(7) = -1 EBADF (Bad file descriptor) [pid 5213] close(8) = -1 EBADF (Bad file descriptor) [pid 5213] close(9) = -1 EBADF (Bad file descriptor) [pid 5213] close(10) = -1 EBADF (Bad file descriptor) [pid 5213] close(11) = -1 EBADF (Bad file descriptor) [pid 5213] close(12) = -1 EBADF (Bad file descriptor) [pid 5213] close(13) = -1 EBADF (Bad file descriptor) [pid 5213] close(14) = -1 EBADF (Bad file descriptor) [pid 5213] close(15) = -1 EBADF (Bad file descriptor) [pid 5213] close(16) = -1 EBADF (Bad file descriptor) [pid 5213] close(17) = -1 EBADF (Bad file descriptor) [pid 5213] close(18) = -1 EBADF (Bad file descriptor) [pid 5213] close(19) = -1 EBADF (Bad file descriptor) [pid 5213] close(20) = -1 EBADF (Bad file descriptor) [pid 5213] close(21) = -1 EBADF (Bad file descriptor) [pid 5213] close(22) = -1 EBADF (Bad file descriptor) [pid 5213] close(23) = -1 EBADF (Bad file descriptor) [pid 5213] close(24) = -1 EBADF (Bad file descriptor) [pid 5213] close(25) = -1 EBADF (Bad file descriptor) [pid 5213] close(26) = -1 EBADF (Bad file descriptor) [pid 5213] close(27) = -1 EBADF (Bad file descriptor) [pid 5213] close(28) = -1 EBADF (Bad file descriptor) [pid 5213] close(29) = -1 EBADF (Bad file descriptor) [pid 5213] exit_group(0) = ? [pid 5213] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=144, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] umount2("./142", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./142/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./142/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./142/cgroup.cpu") = 0 [pid 5062] umount2("./142/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./142/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./142/binderfs") = 0 [pid 5062] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./142/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./142/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./142/file0") = 0 [pid 5062] umount2("./142/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./142/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./142/cgroup") = 0 [pid 5062] umount2("./142/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./142/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./142/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./142") = 0 [pid 5062] mkdir("./143", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5214 attached [pid 5214] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 145 [pid 5214] <... set_robust_list resumed>) = 0 [pid 5214] chdir("./143") = 0 [pid 5214] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5214] setpgid(0, 0) = 0 [pid 5214] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5214] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5214] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5214] write(3, "1000", 4) = 4 [pid 5214] close(3) = 0 [pid 5214] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5214] memfd_create("syzkaller", 0) = 3 [pid 5214] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5214] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5214] munmap(0x7f9497c79000, 138412032) = 0 [pid 5214] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5214] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5214] close(3) = 0 [pid 5214] mkdir("./file0", 0777) = 0 [pid 5214] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5214] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5214] chdir("./file0") = 0 [pid 5214] ioctl(4, LOOP_CLR_FD) = 0 [pid 5214] close(4) = 0 [ 170.516330][ T5214] loop0: detected capacity change from 0 to 4096 [ 170.525765][ T5214] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [ 170.561117][ T5214] ntfs: volume version 3.1. [pid 5214] creat("./file2", 000) = 4 [pid 5214] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5214] creat("./file2", 000) = 5 [pid 5214] close(3) = 0 [pid 5214] close(4) = 0 [pid 5214] close(5) = 0 [pid 5214] close(6) = -1 EBADF (Bad file descriptor) [pid 5214] close(7) = -1 EBADF (Bad file descriptor) [pid 5214] close(8) = -1 EBADF (Bad file descriptor) [pid 5214] close(9) = -1 EBADF (Bad file descriptor) [pid 5214] close(10) = -1 EBADF (Bad file descriptor) [pid 5214] close(11) = -1 EBADF (Bad file descriptor) [pid 5214] close(12) = -1 EBADF (Bad file descriptor) [pid 5214] close(13) = -1 EBADF (Bad file descriptor) [pid 5214] close(14) = -1 EBADF (Bad file descriptor) [pid 5214] close(15) = -1 EBADF (Bad file descriptor) [pid 5214] close(16) = -1 EBADF (Bad file descriptor) [pid 5214] close(17) = -1 EBADF (Bad file descriptor) [pid 5214] close(18) = -1 EBADF (Bad file descriptor) [pid 5214] close(19) = -1 EBADF (Bad file descriptor) [pid 5214] close(20) = -1 EBADF (Bad file descriptor) [pid 5214] close(21) = -1 EBADF (Bad file descriptor) [pid 5214] close(22) = -1 EBADF (Bad file descriptor) [pid 5214] close(23) = -1 EBADF (Bad file descriptor) [pid 5214] close(24) = -1 EBADF (Bad file descriptor) [pid 5214] close(25) = -1 EBADF (Bad file descriptor) [pid 5214] close(26) = -1 EBADF (Bad file descriptor) [pid 5214] close(27) = -1 EBADF (Bad file descriptor) [pid 5214] close(28) = -1 EBADF (Bad file descriptor) [pid 5214] close(29) = -1 EBADF (Bad file descriptor) [pid 5214] exit_group(0) = ? [pid 5214] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=145, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./143", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./143/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./143/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./143/cgroup.cpu") = 0 [pid 5062] umount2("./143/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./143/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./143/binderfs") = 0 [pid 5062] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./143/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./143/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./143/file0") = 0 [pid 5062] umount2("./143/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./143/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./143/cgroup") = 0 [pid 5062] umount2("./143/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./143/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./143/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./143") = 0 [pid 5062] mkdir("./144", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5215 attached [pid 5215] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 146 [pid 5215] <... set_robust_list resumed>) = 0 [pid 5215] chdir("./144") = 0 [pid 5215] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5215] setpgid(0, 0) = 0 [pid 5215] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5215] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5215] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5215] write(3, "1000", 4) = 4 [pid 5215] close(3) = 0 [pid 5215] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5215] memfd_create("syzkaller", 0) = 3 [pid 5215] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5215] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5215] munmap(0x7f9497c79000, 138412032) = 0 [pid 5215] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5215] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5215] close(3) = 0 [pid 5215] mkdir("./file0", 0777) = 0 [ 171.133067][ T5215] loop0: detected capacity change from 0 to 4096 [ 171.146030][ T5215] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5215] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5215] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5215] chdir("./file0") = 0 [pid 5215] ioctl(4, LOOP_CLR_FD) = 0 [ 171.180254][ T5215] ntfs: volume version 3.1. [pid 5215] close(4) = 0 [pid 5215] creat("./file2", 000) = 4 [pid 5215] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5215] creat("./file2", 000) = 5 [pid 5215] close(3) = 0 [pid 5215] close(4) = 0 [pid 5215] close(5) = 0 [pid 5215] close(6) = -1 EBADF (Bad file descriptor) [pid 5215] close(7) = -1 EBADF (Bad file descriptor) [pid 5215] close(8) = -1 EBADF (Bad file descriptor) [pid 5215] close(9) = -1 EBADF (Bad file descriptor) [pid 5215] close(10) = -1 EBADF (Bad file descriptor) [pid 5215] close(11) = -1 EBADF (Bad file descriptor) [pid 5215] close(12) = -1 EBADF (Bad file descriptor) [pid 5215] close(13) = -1 EBADF (Bad file descriptor) [pid 5215] close(14) = -1 EBADF (Bad file descriptor) [pid 5215] close(15) = -1 EBADF (Bad file descriptor) [pid 5215] close(16) = -1 EBADF (Bad file descriptor) [pid 5215] close(17) = -1 EBADF (Bad file descriptor) [pid 5215] close(18) = -1 EBADF (Bad file descriptor) [pid 5215] close(19) = -1 EBADF (Bad file descriptor) [pid 5215] close(20) = -1 EBADF (Bad file descriptor) [pid 5215] close(21) = -1 EBADF (Bad file descriptor) [pid 5215] close(22) = -1 EBADF (Bad file descriptor) [pid 5215] close(23) = -1 EBADF (Bad file descriptor) [pid 5215] close(24) = -1 EBADF (Bad file descriptor) [pid 5215] close(25) = -1 EBADF (Bad file descriptor) [pid 5215] close(26) = -1 EBADF (Bad file descriptor) [pid 5215] close(27) = -1 EBADF (Bad file descriptor) [pid 5215] close(28) = -1 EBADF (Bad file descriptor) [pid 5215] close(29) = -1 EBADF (Bad file descriptor) [pid 5215] exit_group(0) = ? [pid 5215] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=146, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./144", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./144/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./144/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./144/cgroup.cpu") = 0 [pid 5062] umount2("./144/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./144/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./144/binderfs") = 0 [pid 5062] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./144/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./144/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./144/file0") = 0 [pid 5062] umount2("./144/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./144/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./144/cgroup") = 0 [pid 5062] umount2("./144/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./144/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./144/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./144") = 0 [pid 5062] mkdir("./145", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5216 attached , child_tidptr=0x555556e8b650) = 147 [pid 5216] set_robust_list(0x555556e8b660, 24) = 0 [pid 5216] chdir("./145") = 0 [pid 5216] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5216] setpgid(0, 0) = 0 [pid 5216] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5216] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5216] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5216] write(3, "1000", 4) = 4 [pid 5216] close(3) = 0 [pid 5216] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5216] memfd_create("syzkaller", 0) = 3 [pid 5216] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5216] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5216] munmap(0x7f9497c79000, 138412032) = 0 [pid 5216] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5216] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5216] close(3) = 0 [pid 5216] mkdir("./file0", 0777) = 0 [ 171.793371][ T5216] loop0: detected capacity change from 0 to 4096 [ 171.809104][ T5216] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5216] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5216] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5216] chdir("./file0") = 0 [pid 5216] ioctl(4, LOOP_CLR_FD) = 0 [ 171.846829][ T5216] ntfs: volume version 3.1. [pid 5216] close(4) = 0 [pid 5216] creat("./file2", 000) = 4 [pid 5216] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5216] creat("./file2", 000) = 5 [pid 5216] close(3) = 0 [pid 5216] close(4) = 0 [pid 5216] close(5) = 0 [pid 5216] close(6) = -1 EBADF (Bad file descriptor) [pid 5216] close(7) = -1 EBADF (Bad file descriptor) [pid 5216] close(8) = -1 EBADF (Bad file descriptor) [pid 5216] close(9) = -1 EBADF (Bad file descriptor) [pid 5216] close(10) = -1 EBADF (Bad file descriptor) [pid 5216] close(11) = -1 EBADF (Bad file descriptor) [pid 5216] close(12) = -1 EBADF (Bad file descriptor) [pid 5216] close(13) = -1 EBADF (Bad file descriptor) [pid 5216] close(14) = -1 EBADF (Bad file descriptor) [pid 5216] close(15) = -1 EBADF (Bad file descriptor) [pid 5216] close(16) = -1 EBADF (Bad file descriptor) [pid 5216] close(17) = -1 EBADF (Bad file descriptor) [pid 5216] close(18) = -1 EBADF (Bad file descriptor) [pid 5216] close(19) = -1 EBADF (Bad file descriptor) [pid 5216] close(20) = -1 EBADF (Bad file descriptor) [pid 5216] close(21) = -1 EBADF (Bad file descriptor) [pid 5216] close(22) = -1 EBADF (Bad file descriptor) [pid 5216] close(23) = -1 EBADF (Bad file descriptor) [pid 5216] close(24) = -1 EBADF (Bad file descriptor) [pid 5216] close(25) = -1 EBADF (Bad file descriptor) [pid 5216] close(26) = -1 EBADF (Bad file descriptor) [pid 5216] close(27) = -1 EBADF (Bad file descriptor) [pid 5216] close(28) = -1 EBADF (Bad file descriptor) [pid 5216] close(29) = -1 EBADF (Bad file descriptor) [pid 5216] exit_group(0) = ? [pid 5216] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=147, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5062] umount2("./145", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./145/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./145/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./145/cgroup.cpu") = 0 [pid 5062] umount2("./145/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./145/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./145/binderfs") = 0 [pid 5062] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./145/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./145/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./145/file0") = 0 [pid 5062] umount2("./145/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./145/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./145/cgroup") = 0 [pid 5062] umount2("./145/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./145/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./145/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./145") = 0 [pid 5062] mkdir("./146", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5217 attached [pid 5217] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 148 [pid 5217] <... set_robust_list resumed>) = 0 [pid 5217] chdir("./146") = 0 [pid 5217] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5217] setpgid(0, 0) = 0 [pid 5217] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5217] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5217] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5217] write(3, "1000", 4) = 4 [pid 5217] close(3) = 0 [pid 5217] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5217] memfd_create("syzkaller", 0) = 3 [pid 5217] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5217] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5217] munmap(0x7f9497c79000, 138412032) = 0 [pid 5217] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5217] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5217] close(3) = 0 [pid 5217] mkdir("./file0", 0777) = 0 [ 172.436336][ T5217] loop0: detected capacity change from 0 to 4096 [ 172.460387][ T5217] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5217] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5217] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5217] chdir("./file0") = 0 [pid 5217] ioctl(4, LOOP_CLR_FD) = 0 [pid 5217] close(4) = 0 [pid 5217] creat("./file2", 000) = 4 [ 172.494096][ T5217] ntfs: volume version 3.1. [pid 5217] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5217] creat("./file2", 000) = 5 [pid 5217] close(3) = 0 [pid 5217] close(4) = 0 [pid 5217] close(5) = 0 [pid 5217] close(6) = -1 EBADF (Bad file descriptor) [pid 5217] close(7) = -1 EBADF (Bad file descriptor) [pid 5217] close(8) = -1 EBADF (Bad file descriptor) [pid 5217] close(9) = -1 EBADF (Bad file descriptor) [pid 5217] close(10) = -1 EBADF (Bad file descriptor) [pid 5217] close(11) = -1 EBADF (Bad file descriptor) [pid 5217] close(12) = -1 EBADF (Bad file descriptor) [pid 5217] close(13) = -1 EBADF (Bad file descriptor) [pid 5217] close(14) = -1 EBADF (Bad file descriptor) [pid 5217] close(15) = -1 EBADF (Bad file descriptor) [pid 5217] close(16) = -1 EBADF (Bad file descriptor) [pid 5217] close(17) = -1 EBADF (Bad file descriptor) [pid 5217] close(18) = -1 EBADF (Bad file descriptor) [pid 5217] close(19) = -1 EBADF (Bad file descriptor) [pid 5217] close(20) = -1 EBADF (Bad file descriptor) [pid 5217] close(21) = -1 EBADF (Bad file descriptor) [pid 5217] close(22) = -1 EBADF (Bad file descriptor) [pid 5217] close(23) = -1 EBADF (Bad file descriptor) [pid 5217] close(24) = -1 EBADF (Bad file descriptor) [pid 5217] close(25) = -1 EBADF (Bad file descriptor) [pid 5217] close(26) = -1 EBADF (Bad file descriptor) [pid 5217] close(27) = -1 EBADF (Bad file descriptor) [pid 5217] close(28) = -1 EBADF (Bad file descriptor) [pid 5217] close(29) = -1 EBADF (Bad file descriptor) [pid 5217] exit_group(0) = ? [pid 5217] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=148, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./146", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./146/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./146/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./146/cgroup.cpu") = 0 [pid 5062] umount2("./146/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./146/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./146/binderfs") = 0 [pid 5062] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./146/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./146/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./146/file0") = 0 [pid 5062] umount2("./146/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./146/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./146/cgroup") = 0 [pid 5062] umount2("./146/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./146/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./146/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./146") = 0 [pid 5062] mkdir("./147", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5218 attached , child_tidptr=0x555556e8b650) = 149 [pid 5218] set_robust_list(0x555556e8b660, 24) = 0 [pid 5218] chdir("./147") = 0 [pid 5218] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5218] setpgid(0, 0) = 0 [pid 5218] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5218] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5218] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5218] write(3, "1000", 4) = 4 [pid 5218] close(3) = 0 [pid 5218] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5218] memfd_create("syzkaller", 0) = 3 [pid 5218] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5218] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5218] munmap(0x7f9497c79000, 138412032) = 0 [pid 5218] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5218] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5218] close(3) = 0 [pid 5218] mkdir("./file0", 0777) = 0 [ 173.045438][ T5218] loop0: detected capacity change from 0 to 4096 [ 173.070665][ T5218] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5218] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5218] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5218] chdir("./file0") = 0 [pid 5218] ioctl(4, LOOP_CLR_FD) = 0 [pid 5218] close(4) = 0 [pid 5218] creat("./file2", 000) = 4 [ 173.105406][ T5218] ntfs: volume version 3.1. [pid 5218] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5218] creat("./file2", 000) = 5 [pid 5218] close(3) = 0 [pid 5218] close(4) = 0 [pid 5218] close(5) = 0 [pid 5218] close(6) = -1 EBADF (Bad file descriptor) [pid 5218] close(7) = -1 EBADF (Bad file descriptor) [pid 5218] close(8) = -1 EBADF (Bad file descriptor) [pid 5218] close(9) = -1 EBADF (Bad file descriptor) [pid 5218] close(10) = -1 EBADF (Bad file descriptor) [pid 5218] close(11) = -1 EBADF (Bad file descriptor) [pid 5218] close(12) = -1 EBADF (Bad file descriptor) [pid 5218] close(13) = -1 EBADF (Bad file descriptor) [pid 5218] close(14) = -1 EBADF (Bad file descriptor) [pid 5218] close(15) = -1 EBADF (Bad file descriptor) [pid 5218] close(16) = -1 EBADF (Bad file descriptor) [pid 5218] close(17) = -1 EBADF (Bad file descriptor) [pid 5218] close(18) = -1 EBADF (Bad file descriptor) [pid 5218] close(19) = -1 EBADF (Bad file descriptor) [pid 5218] close(20) = -1 EBADF (Bad file descriptor) [pid 5218] close(21) = -1 EBADF (Bad file descriptor) [pid 5218] close(22) = -1 EBADF (Bad file descriptor) [pid 5218] close(23) = -1 EBADF (Bad file descriptor) [pid 5218] close(24) = -1 EBADF (Bad file descriptor) [pid 5218] close(25) = -1 EBADF (Bad file descriptor) [pid 5218] close(26) = -1 EBADF (Bad file descriptor) [pid 5218] close(27) = -1 EBADF (Bad file descriptor) [pid 5218] close(28) = -1 EBADF (Bad file descriptor) [pid 5218] close(29) = -1 EBADF (Bad file descriptor) [pid 5218] exit_group(0) = ? [pid 5218] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=149, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5062] umount2("./147", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./147/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./147/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./147/cgroup.cpu") = 0 [pid 5062] umount2("./147/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./147/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./147/binderfs") = 0 [pid 5062] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./147/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./147/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./147/file0") = 0 [pid 5062] umount2("./147/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./147/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./147/cgroup") = 0 [pid 5062] umount2("./147/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./147/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./147/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./147") = 0 [pid 5062] mkdir("./148", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5219 attached [pid 5219] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 150 [pid 5219] <... set_robust_list resumed>) = 0 [pid 5219] chdir("./148") = 0 [pid 5219] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5219] setpgid(0, 0) = 0 [pid 5219] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5219] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5219] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5219] write(3, "1000", 4) = 4 [pid 5219] close(3) = 0 [pid 5219] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5219] memfd_create("syzkaller", 0) = 3 [pid 5219] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5219] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5219] munmap(0x7f9497c79000, 138412032) = 0 [pid 5219] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5219] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5219] close(3) = 0 [pid 5219] mkdir("./file0", 0777) = 0 [ 173.664609][ T5219] loop0: detected capacity change from 0 to 4096 [ 173.692484][ T5219] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5219] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5219] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5219] chdir("./file0") = 0 [pid 5219] ioctl(4, LOOP_CLR_FD) = 0 [pid 5219] close(4) = 0 [pid 5219] creat("./file2", 000) = 4 [ 173.727624][ T5219] ntfs: volume version 3.1. [pid 5219] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5219] creat("./file2", 000) = 5 [pid 5219] close(3) = 0 [pid 5219] close(4) = 0 [pid 5219] close(5) = 0 [pid 5219] close(6) = -1 EBADF (Bad file descriptor) [pid 5219] close(7) = -1 EBADF (Bad file descriptor) [pid 5219] close(8) = -1 EBADF (Bad file descriptor) [pid 5219] close(9) = -1 EBADF (Bad file descriptor) [pid 5219] close(10) = -1 EBADF (Bad file descriptor) [pid 5219] close(11) = -1 EBADF (Bad file descriptor) [pid 5219] close(12) = -1 EBADF (Bad file descriptor) [pid 5219] close(13) = -1 EBADF (Bad file descriptor) [pid 5219] close(14) = -1 EBADF (Bad file descriptor) [pid 5219] close(15) = -1 EBADF (Bad file descriptor) [pid 5219] close(16) = -1 EBADF (Bad file descriptor) [pid 5219] close(17) = -1 EBADF (Bad file descriptor) [pid 5219] close(18) = -1 EBADF (Bad file descriptor) [pid 5219] close(19) = -1 EBADF (Bad file descriptor) [pid 5219] close(20) = -1 EBADF (Bad file descriptor) [pid 5219] close(21) = -1 EBADF (Bad file descriptor) [pid 5219] close(22) = -1 EBADF (Bad file descriptor) [pid 5219] close(23) = -1 EBADF (Bad file descriptor) [pid 5219] close(24) = -1 EBADF (Bad file descriptor) [pid 5219] close(25) = -1 EBADF (Bad file descriptor) [pid 5219] close(26) = -1 EBADF (Bad file descriptor) [pid 5219] close(27) = -1 EBADF (Bad file descriptor) [pid 5219] close(28) = -1 EBADF (Bad file descriptor) [pid 5219] close(29) = -1 EBADF (Bad file descriptor) [pid 5219] exit_group(0) = ? [pid 5219] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=150, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] umount2("./148", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./148/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./148/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./148/cgroup.cpu") = 0 [pid 5062] umount2("./148/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./148/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./148/binderfs") = 0 [pid 5062] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./148/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./148/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./148/file0") = 0 [pid 5062] umount2("./148/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./148/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./148/cgroup") = 0 [pid 5062] umount2("./148/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./148/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./148/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./148") = 0 [pid 5062] mkdir("./149", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5220 attached [pid 5220] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 151 [pid 5220] <... set_robust_list resumed>) = 0 [pid 5220] chdir("./149") = 0 [pid 5220] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5220] setpgid(0, 0) = 0 [pid 5220] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5220] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5220] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5220] write(3, "1000", 4) = 4 [pid 5220] close(3) = 0 [pid 5220] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5220] memfd_create("syzkaller", 0) = 3 [pid 5220] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5220] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5220] munmap(0x7f9497c79000, 138412032) = 0 [pid 5220] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5220] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5220] close(3) = 0 [pid 5220] mkdir("./file0", 0777) = 0 [ 174.323852][ T5220] loop0: detected capacity change from 0 to 4096 [ 174.348968][ T5220] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5220] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5220] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5220] chdir("./file0") = 0 [pid 5220] ioctl(4, LOOP_CLR_FD) = 0 [pid 5220] close(4) = 0 [ 174.382451][ T5220] ntfs: volume version 3.1. [pid 5220] creat("./file2", 000) = 4 [pid 5220] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5220] creat("./file2", 000) = 5 [pid 5220] close(3) = 0 [pid 5220] close(4) = 0 [pid 5220] close(5) = 0 [pid 5220] close(6) = -1 EBADF (Bad file descriptor) [pid 5220] close(7) = -1 EBADF (Bad file descriptor) [pid 5220] close(8) = -1 EBADF (Bad file descriptor) [pid 5220] close(9) = -1 EBADF (Bad file descriptor) [pid 5220] close(10) = -1 EBADF (Bad file descriptor) [pid 5220] close(11) = -1 EBADF (Bad file descriptor) [pid 5220] close(12) = -1 EBADF (Bad file descriptor) [pid 5220] close(13) = -1 EBADF (Bad file descriptor) [pid 5220] close(14) = -1 EBADF (Bad file descriptor) [pid 5220] close(15) = -1 EBADF (Bad file descriptor) [pid 5220] close(16) = -1 EBADF (Bad file descriptor) [pid 5220] close(17) = -1 EBADF (Bad file descriptor) [pid 5220] close(18) = -1 EBADF (Bad file descriptor) [pid 5220] close(19) = -1 EBADF (Bad file descriptor) [pid 5220] close(20) = -1 EBADF (Bad file descriptor) [pid 5220] close(21) = -1 EBADF (Bad file descriptor) [pid 5220] close(22) = -1 EBADF (Bad file descriptor) [pid 5220] close(23) = -1 EBADF (Bad file descriptor) [pid 5220] close(24) = -1 EBADF (Bad file descriptor) [pid 5220] close(25) = -1 EBADF (Bad file descriptor) [pid 5220] close(26) = -1 EBADF (Bad file descriptor) [pid 5220] close(27) = -1 EBADF (Bad file descriptor) [pid 5220] close(28) = -1 EBADF (Bad file descriptor) [pid 5220] close(29) = -1 EBADF (Bad file descriptor) [pid 5220] exit_group(0) = ? [pid 5220] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=151, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./149", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./149/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./149/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./149/cgroup.cpu") = 0 [pid 5062] umount2("./149/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./149/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./149/binderfs") = 0 [pid 5062] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./149/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./149/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./149/file0") = 0 [pid 5062] umount2("./149/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./149/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./149/cgroup") = 0 [pid 5062] umount2("./149/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./149/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./149/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./149") = 0 [pid 5062] mkdir("./150", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5221 attached [pid 5221] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 152 [pid 5221] <... set_robust_list resumed>) = 0 [pid 5221] chdir("./150") = 0 [pid 5221] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5221] setpgid(0, 0) = 0 [pid 5221] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5221] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5221] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5221] write(3, "1000", 4) = 4 [pid 5221] close(3) = 0 [pid 5221] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5221] memfd_create("syzkaller", 0) = 3 [pid 5221] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5221] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5221] munmap(0x7f9497c79000, 138412032) = 0 [pid 5221] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5221] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5221] close(3) = 0 [pid 5221] mkdir("./file0", 0777) = 0 [ 174.906812][ T5221] loop0: detected capacity change from 0 to 4096 [ 174.924303][ T5221] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5221] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5221] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5221] chdir("./file0") = 0 [pid 5221] ioctl(4, LOOP_CLR_FD) = 0 [pid 5221] close(4) = 0 [pid 5221] creat("./file2", 000) = 4 [ 174.956632][ T5221] ntfs: volume version 3.1. [pid 5221] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5221] creat("./file2", 000) = 5 [pid 5221] close(3) = 0 [pid 5221] close(4) = 0 [pid 5221] close(5) = 0 [pid 5221] close(6) = -1 EBADF (Bad file descriptor) [pid 5221] close(7) = -1 EBADF (Bad file descriptor) [pid 5221] close(8) = -1 EBADF (Bad file descriptor) [pid 5221] close(9) = -1 EBADF (Bad file descriptor) [pid 5221] close(10) = -1 EBADF (Bad file descriptor) [pid 5221] close(11) = -1 EBADF (Bad file descriptor) [pid 5221] close(12) = -1 EBADF (Bad file descriptor) [pid 5221] close(13) = -1 EBADF (Bad file descriptor) [pid 5221] close(14) = -1 EBADF (Bad file descriptor) [pid 5221] close(15) = -1 EBADF (Bad file descriptor) [pid 5221] close(16) = -1 EBADF (Bad file descriptor) [pid 5221] close(17) = -1 EBADF (Bad file descriptor) [pid 5221] close(18) = -1 EBADF (Bad file descriptor) [pid 5221] close(19) = -1 EBADF (Bad file descriptor) [pid 5221] close(20) = -1 EBADF (Bad file descriptor) [pid 5221] close(21) = -1 EBADF (Bad file descriptor) [pid 5221] close(22) = -1 EBADF (Bad file descriptor) [pid 5221] close(23) = -1 EBADF (Bad file descriptor) [pid 5221] close(24) = -1 EBADF (Bad file descriptor) [pid 5221] close(25) = -1 EBADF (Bad file descriptor) [pid 5221] close(26) = -1 EBADF (Bad file descriptor) [pid 5221] close(27) = -1 EBADF (Bad file descriptor) [pid 5221] close(28) = -1 EBADF (Bad file descriptor) [pid 5221] close(29) = -1 EBADF (Bad file descriptor) [pid 5221] exit_group(0) = ? [pid 5221] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=152, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- [pid 5062] umount2("./150", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./150/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./150/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./150/cgroup.cpu") = 0 [pid 5062] umount2("./150/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./150/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./150/binderfs") = 0 [pid 5062] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./150/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./150/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./150/file0") = 0 [pid 5062] umount2("./150/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./150/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./150/cgroup") = 0 [pid 5062] umount2("./150/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./150/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./150/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./150") = 0 [pid 5062] mkdir("./151", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5222 attached [pid 5222] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 153 [pid 5222] <... set_robust_list resumed>) = 0 [pid 5222] chdir("./151") = 0 [pid 5222] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5222] setpgid(0, 0) = 0 [pid 5222] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5222] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5222] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5222] write(3, "1000", 4) = 4 [pid 5222] close(3) = 0 [pid 5222] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5222] memfd_create("syzkaller", 0) = 3 [pid 5222] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5222] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5222] munmap(0x7f9497c79000, 138412032) = 0 [pid 5222] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5222] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5222] close(3) = 0 [pid 5222] mkdir("./file0", 0777) = 0 [ 175.530882][ T5222] loop0: detected capacity change from 0 to 4096 [ 175.550380][ T5222] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5222] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5222] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5222] chdir("./file0") = 0 [pid 5222] ioctl(4, LOOP_CLR_FD) = 0 [ 175.586715][ T5222] ntfs: volume version 3.1. [pid 5222] close(4) = 0 [pid 5222] creat("./file2", 000) = 4 [pid 5222] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5222] creat("./file2", 000) = 5 [pid 5222] close(3) = 0 [pid 5222] close(4) = 0 [pid 5222] close(5) = 0 [pid 5222] close(6) = -1 EBADF (Bad file descriptor) [pid 5222] close(7) = -1 EBADF (Bad file descriptor) [pid 5222] close(8) = -1 EBADF (Bad file descriptor) [pid 5222] close(9) = -1 EBADF (Bad file descriptor) [pid 5222] close(10) = -1 EBADF (Bad file descriptor) [pid 5222] close(11) = -1 EBADF (Bad file descriptor) [pid 5222] close(12) = -1 EBADF (Bad file descriptor) [pid 5222] close(13) = -1 EBADF (Bad file descriptor) [pid 5222] close(14) = -1 EBADF (Bad file descriptor) [pid 5222] close(15) = -1 EBADF (Bad file descriptor) [pid 5222] close(16) = -1 EBADF (Bad file descriptor) [pid 5222] close(17) = -1 EBADF (Bad file descriptor) [pid 5222] close(18) = -1 EBADF (Bad file descriptor) [pid 5222] close(19) = -1 EBADF (Bad file descriptor) [pid 5222] close(20) = -1 EBADF (Bad file descriptor) [pid 5222] close(21) = -1 EBADF (Bad file descriptor) [pid 5222] close(22) = -1 EBADF (Bad file descriptor) [pid 5222] close(23) = -1 EBADF (Bad file descriptor) [pid 5222] close(24) = -1 EBADF (Bad file descriptor) [pid 5222] close(25) = -1 EBADF (Bad file descriptor) [pid 5222] close(26) = -1 EBADF (Bad file descriptor) [pid 5222] close(27) = -1 EBADF (Bad file descriptor) [pid 5222] close(28) = -1 EBADF (Bad file descriptor) [pid 5222] close(29) = -1 EBADF (Bad file descriptor) [pid 5222] exit_group(0) = ? [pid 5222] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=153, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=7 /* 0.07 s */} --- [pid 5062] umount2("./151", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./151/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./151/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./151/cgroup.cpu") = 0 [pid 5062] umount2("./151/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./151/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./151/binderfs") = 0 [pid 5062] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./151/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./151/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./151/file0") = 0 [pid 5062] umount2("./151/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./151/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./151/cgroup") = 0 [pid 5062] umount2("./151/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./151/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./151/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./151") = 0 [pid 5062] mkdir("./152", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5223 attached [pid 5223] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 154 [pid 5223] <... set_robust_list resumed>) = 0 [pid 5223] chdir("./152") = 0 [pid 5223] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5223] setpgid(0, 0) = 0 [pid 5223] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5223] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5223] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5223] write(3, "1000", 4) = 4 [pid 5223] close(3) = 0 [pid 5223] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5223] memfd_create("syzkaller", 0) = 3 [pid 5223] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5223] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5223] munmap(0x7f9497c79000, 138412032) = 0 [pid 5223] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5223] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5223] close(3) = 0 [pid 5223] mkdir("./file0", 0777) = 0 [ 176.125104][ T5223] loop0: detected capacity change from 0 to 4096 [ 176.140759][ T5223] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5223] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5223] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5223] chdir("./file0") = 0 [pid 5223] ioctl(4, LOOP_CLR_FD) = 0 [pid 5223] close(4) = 0 [ 176.176081][ T5223] ntfs: volume version 3.1. [pid 5223] creat("./file2", 000) = 4 [pid 5223] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5223] creat("./file2", 000) = 5 [pid 5223] close(3) = 0 [pid 5223] close(4) = 0 [pid 5223] close(5) = 0 [pid 5223] close(6) = -1 EBADF (Bad file descriptor) [pid 5223] close(7) = -1 EBADF (Bad file descriptor) [pid 5223] close(8) = -1 EBADF (Bad file descriptor) [pid 5223] close(9) = -1 EBADF (Bad file descriptor) [pid 5223] close(10) = -1 EBADF (Bad file descriptor) [pid 5223] close(11) = -1 EBADF (Bad file descriptor) [pid 5223] close(12) = -1 EBADF (Bad file descriptor) [pid 5223] close(13) = -1 EBADF (Bad file descriptor) [pid 5223] close(14) = -1 EBADF (Bad file descriptor) [pid 5223] close(15) = -1 EBADF (Bad file descriptor) [pid 5223] close(16) = -1 EBADF (Bad file descriptor) [pid 5223] close(17) = -1 EBADF (Bad file descriptor) [pid 5223] close(18) = -1 EBADF (Bad file descriptor) [pid 5223] close(19) = -1 EBADF (Bad file descriptor) [pid 5223] close(20) = -1 EBADF (Bad file descriptor) [pid 5223] close(21) = -1 EBADF (Bad file descriptor) [pid 5223] close(22) = -1 EBADF (Bad file descriptor) [pid 5223] close(23) = -1 EBADF (Bad file descriptor) [pid 5223] close(24) = -1 EBADF (Bad file descriptor) [pid 5223] close(25) = -1 EBADF (Bad file descriptor) [pid 5223] close(26) = -1 EBADF (Bad file descriptor) [pid 5223] close(27) = -1 EBADF (Bad file descriptor) [pid 5223] close(28) = -1 EBADF (Bad file descriptor) [pid 5223] close(29) = -1 EBADF (Bad file descriptor) [pid 5223] exit_group(0) = ? [pid 5223] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=154, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5062] umount2("./152", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./152/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./152/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./152/cgroup.cpu") = 0 [pid 5062] umount2("./152/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./152/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./152/binderfs") = 0 [pid 5062] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./152/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./152/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./152/file0") = 0 [pid 5062] umount2("./152/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./152/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./152/cgroup") = 0 [pid 5062] umount2("./152/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./152/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./152/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./152") = 0 [pid 5062] mkdir("./153", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5224 attached [pid 5224] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 155 [pid 5224] <... set_robust_list resumed>) = 0 [pid 5224] chdir("./153") = 0 [pid 5224] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5224] setpgid(0, 0) = 0 [pid 5224] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5224] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5224] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5224] write(3, "1000", 4) = 4 [pid 5224] close(3) = 0 [pid 5224] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5224] memfd_create("syzkaller", 0) = 3 [pid 5224] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5224] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5224] munmap(0x7f9497c79000, 138412032) = 0 [pid 5224] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5224] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5224] close(3) = 0 [pid 5224] mkdir("./file0", 0777) = 0 [ 176.768224][ T5224] loop0: detected capacity change from 0 to 4096 [ 176.783027][ T5224] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5224] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5224] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5224] chdir("./file0") = 0 [pid 5224] ioctl(4, LOOP_CLR_FD) = 0 [pid 5224] close(4) = 0 [pid 5224] creat("./file2", 000) = 4 [ 176.817970][ T5224] ntfs: volume version 3.1. [pid 5224] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5224] creat("./file2", 000) = 5 [pid 5224] close(3) = 0 [pid 5224] close(4) = 0 [pid 5224] close(5) = 0 [pid 5224] close(6) = -1 EBADF (Bad file descriptor) [pid 5224] close(7) = -1 EBADF (Bad file descriptor) [pid 5224] close(8) = -1 EBADF (Bad file descriptor) [pid 5224] close(9) = -1 EBADF (Bad file descriptor) [pid 5224] close(10) = -1 EBADF (Bad file descriptor) [pid 5224] close(11) = -1 EBADF (Bad file descriptor) [pid 5224] close(12) = -1 EBADF (Bad file descriptor) [pid 5224] close(13) = -1 EBADF (Bad file descriptor) [pid 5224] close(14) = -1 EBADF (Bad file descriptor) [pid 5224] close(15) = -1 EBADF (Bad file descriptor) [pid 5224] close(16) = -1 EBADF (Bad file descriptor) [pid 5224] close(17) = -1 EBADF (Bad file descriptor) [pid 5224] close(18) = -1 EBADF (Bad file descriptor) [pid 5224] close(19) = -1 EBADF (Bad file descriptor) [pid 5224] close(20) = -1 EBADF (Bad file descriptor) [pid 5224] close(21) = -1 EBADF (Bad file descriptor) [pid 5224] close(22) = -1 EBADF (Bad file descriptor) [pid 5224] close(23) = -1 EBADF (Bad file descriptor) [pid 5224] close(24) = -1 EBADF (Bad file descriptor) [pid 5224] close(25) = -1 EBADF (Bad file descriptor) [pid 5224] close(26) = -1 EBADF (Bad file descriptor) [pid 5224] close(27) = -1 EBADF (Bad file descriptor) [pid 5224] close(28) = -1 EBADF (Bad file descriptor) [pid 5224] close(29) = -1 EBADF (Bad file descriptor) [pid 5224] exit_group(0) = ? [pid 5224] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=155, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./153", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./153/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./153/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./153/cgroup.cpu") = 0 [pid 5062] umount2("./153/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./153/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./153/binderfs") = 0 [pid 5062] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./153/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./153/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./153/file0") = 0 [pid 5062] umount2("./153/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./153/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./153/cgroup") = 0 [pid 5062] umount2("./153/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./153/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./153/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./153") = 0 [pid 5062] mkdir("./154", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5225 attached [pid 5225] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 156 [pid 5225] <... set_robust_list resumed>) = 0 [pid 5225] chdir("./154") = 0 [pid 5225] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5225] setpgid(0, 0) = 0 [pid 5225] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5225] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5225] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5225] write(3, "1000", 4) = 4 [pid 5225] close(3) = 0 [pid 5225] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5225] memfd_create("syzkaller", 0) = 3 [pid 5225] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5225] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5225] munmap(0x7f9497c79000, 138412032) = 0 [pid 5225] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5225] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5225] close(3) = 0 [pid 5225] mkdir("./file0", 0777) = 0 [ 177.398064][ T5225] loop0: detected capacity change from 0 to 4096 [ 177.413427][ T5225] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5225] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5225] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5225] chdir("./file0") = 0 [pid 5225] ioctl(4, LOOP_CLR_FD) = 0 [pid 5225] close(4) = 0 [ 177.447459][ T5225] ntfs: volume version 3.1. [pid 5225] creat("./file2", 000) = 4 [pid 5225] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5225] creat("./file2", 000) = 5 [pid 5225] close(3) = 0 [pid 5225] close(4) = 0 [pid 5225] close(5) = 0 [pid 5225] close(6) = -1 EBADF (Bad file descriptor) [pid 5225] close(7) = -1 EBADF (Bad file descriptor) [pid 5225] close(8) = -1 EBADF (Bad file descriptor) [pid 5225] close(9) = -1 EBADF (Bad file descriptor) [pid 5225] close(10) = -1 EBADF (Bad file descriptor) [pid 5225] close(11) = -1 EBADF (Bad file descriptor) [pid 5225] close(12) = -1 EBADF (Bad file descriptor) [pid 5225] close(13) = -1 EBADF (Bad file descriptor) [pid 5225] close(14) = -1 EBADF (Bad file descriptor) [pid 5225] close(15) = -1 EBADF (Bad file descriptor) [pid 5225] close(16) = -1 EBADF (Bad file descriptor) [pid 5225] close(17) = -1 EBADF (Bad file descriptor) [pid 5225] close(18) = -1 EBADF (Bad file descriptor) [pid 5225] close(19) = -1 EBADF (Bad file descriptor) [pid 5225] close(20) = -1 EBADF (Bad file descriptor) [pid 5225] close(21) = -1 EBADF (Bad file descriptor) [pid 5225] close(22) = -1 EBADF (Bad file descriptor) [pid 5225] close(23) = -1 EBADF (Bad file descriptor) [pid 5225] close(24) = -1 EBADF (Bad file descriptor) [pid 5225] close(25) = -1 EBADF (Bad file descriptor) [pid 5225] close(26) = -1 EBADF (Bad file descriptor) [pid 5225] close(27) = -1 EBADF (Bad file descriptor) [pid 5225] close(28) = -1 EBADF (Bad file descriptor) [pid 5225] close(29) = -1 EBADF (Bad file descriptor) [pid 5225] exit_group(0) = ? [pid 5225] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=156, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./154", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./154/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./154/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./154/cgroup.cpu") = 0 [pid 5062] umount2("./154/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./154/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./154/binderfs") = 0 [pid 5062] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./154/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./154/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./154/file0") = 0 [pid 5062] umount2("./154/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./154/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./154/cgroup") = 0 [pid 5062] umount2("./154/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./154/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./154/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./154") = 0 [pid 5062] mkdir("./155", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5226 attached [pid 5226] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 157 [pid 5226] <... set_robust_list resumed>) = 0 [pid 5226] chdir("./155") = 0 [pid 5226] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5226] setpgid(0, 0) = 0 [pid 5226] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5226] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5226] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5226] write(3, "1000", 4) = 4 [pid 5226] close(3) = 0 [pid 5226] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5226] memfd_create("syzkaller", 0) = 3 [pid 5226] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5226] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5226] munmap(0x7f9497c79000, 138412032) = 0 [pid 5226] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5226] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5226] close(3) = 0 [pid 5226] mkdir("./file0", 0777) = 0 [ 177.987317][ T5226] loop0: detected capacity change from 0 to 4096 [ 178.005791][ T5226] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5226] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5226] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5226] chdir("./file0") = 0 [pid 5226] ioctl(4, LOOP_CLR_FD) = 0 [ 178.038596][ T5226] ntfs: volume version 3.1. [pid 5226] close(4) = 0 [pid 5226] creat("./file2", 000) = 4 [pid 5226] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5226] creat("./file2", 000) = 5 [pid 5226] close(3) = 0 [pid 5226] close(4) = 0 [pid 5226] close(5) = 0 [pid 5226] close(6) = -1 EBADF (Bad file descriptor) [pid 5226] close(7) = -1 EBADF (Bad file descriptor) [pid 5226] close(8) = -1 EBADF (Bad file descriptor) [pid 5226] close(9) = -1 EBADF (Bad file descriptor) [pid 5226] close(10) = -1 EBADF (Bad file descriptor) [pid 5226] close(11) = -1 EBADF (Bad file descriptor) [pid 5226] close(12) = -1 EBADF (Bad file descriptor) [pid 5226] close(13) = -1 EBADF (Bad file descriptor) [pid 5226] close(14) = -1 EBADF (Bad file descriptor) [pid 5226] close(15) = -1 EBADF (Bad file descriptor) [pid 5226] close(16) = -1 EBADF (Bad file descriptor) [pid 5226] close(17) = -1 EBADF (Bad file descriptor) [pid 5226] close(18) = -1 EBADF (Bad file descriptor) [pid 5226] close(19) = -1 EBADF (Bad file descriptor) [pid 5226] close(20) = -1 EBADF (Bad file descriptor) [pid 5226] close(21) = -1 EBADF (Bad file descriptor) [pid 5226] close(22) = -1 EBADF (Bad file descriptor) [pid 5226] close(23) = -1 EBADF (Bad file descriptor) [pid 5226] close(24) = -1 EBADF (Bad file descriptor) [pid 5226] close(25) = -1 EBADF (Bad file descriptor) [pid 5226] close(26) = -1 EBADF (Bad file descriptor) [pid 5226] close(27) = -1 EBADF (Bad file descriptor) [pid 5226] close(28) = -1 EBADF (Bad file descriptor) [pid 5226] close(29) = -1 EBADF (Bad file descriptor) [pid 5226] exit_group(0) = ? [pid 5226] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=157, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] umount2("./155", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./155/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./155/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./155/cgroup.cpu") = 0 [pid 5062] umount2("./155/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./155/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./155/binderfs") = 0 [pid 5062] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./155/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./155/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./155/file0") = 0 [pid 5062] umount2("./155/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./155/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./155/cgroup") = 0 [pid 5062] umount2("./155/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./155/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./155/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./155") = 0 [pid 5062] mkdir("./156", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5227 attached [pid 5227] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 158 [pid 5227] <... set_robust_list resumed>) = 0 [pid 5227] chdir("./156") = 0 [pid 5227] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5227] setpgid(0, 0) = 0 [pid 5227] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5227] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5227] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5227] write(3, "1000", 4) = 4 [pid 5227] close(3) = 0 [pid 5227] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5227] memfd_create("syzkaller", 0) = 3 [pid 5227] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5227] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5227] munmap(0x7f9497c79000, 138412032) = 0 [pid 5227] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5227] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5227] close(3) = 0 [pid 5227] mkdir("./file0", 0777) = 0 [ 178.594380][ T5227] loop0: detected capacity change from 0 to 4096 [ 178.608678][ T5227] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5227] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5227] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5227] chdir("./file0") = 0 [pid 5227] ioctl(4, LOOP_CLR_FD) = 0 [pid 5227] close(4) = 0 [pid 5227] creat("./file2", 000) = 4 [ 178.641150][ T5227] ntfs: volume version 3.1. [pid 5227] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5227] creat("./file2", 000) = 5 [pid 5227] close(3) = 0 [pid 5227] close(4) = 0 [pid 5227] close(5) = 0 [pid 5227] close(6) = -1 EBADF (Bad file descriptor) [pid 5227] close(7) = -1 EBADF (Bad file descriptor) [pid 5227] close(8) = -1 EBADF (Bad file descriptor) [pid 5227] close(9) = -1 EBADF (Bad file descriptor) [pid 5227] close(10) = -1 EBADF (Bad file descriptor) [pid 5227] close(11) = -1 EBADF (Bad file descriptor) [pid 5227] close(12) = -1 EBADF (Bad file descriptor) [pid 5227] close(13) = -1 EBADF (Bad file descriptor) [pid 5227] close(14) = -1 EBADF (Bad file descriptor) [pid 5227] close(15) = -1 EBADF (Bad file descriptor) [pid 5227] close(16) = -1 EBADF (Bad file descriptor) [pid 5227] close(17) = -1 EBADF (Bad file descriptor) [pid 5227] close(18) = -1 EBADF (Bad file descriptor) [pid 5227] close(19) = -1 EBADF (Bad file descriptor) [pid 5227] close(20) = -1 EBADF (Bad file descriptor) [pid 5227] close(21) = -1 EBADF (Bad file descriptor) [pid 5227] close(22) = -1 EBADF (Bad file descriptor) [pid 5227] close(23) = -1 EBADF (Bad file descriptor) [pid 5227] close(24) = -1 EBADF (Bad file descriptor) [pid 5227] close(25) = -1 EBADF (Bad file descriptor) [pid 5227] close(26) = -1 EBADF (Bad file descriptor) [pid 5227] close(27) = -1 EBADF (Bad file descriptor) [pid 5227] close(28) = -1 EBADF (Bad file descriptor) [pid 5227] close(29) = -1 EBADF (Bad file descriptor) [pid 5227] exit_group(0) = ? [pid 5227] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=158, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5062] umount2("./156", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./156/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./156/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./156/cgroup.cpu") = 0 [pid 5062] umount2("./156/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./156/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./156/binderfs") = 0 [pid 5062] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./156/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./156/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./156/file0") = 0 [pid 5062] umount2("./156/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./156/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./156/cgroup") = 0 [pid 5062] umount2("./156/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./156/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./156/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./156") = 0 [pid 5062] mkdir("./157", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5228 attached [pid 5228] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 159 [pid 5228] <... set_robust_list resumed>) = 0 [pid 5228] chdir("./157") = 0 [pid 5228] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5228] setpgid(0, 0) = 0 [pid 5228] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5228] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5228] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5228] write(3, "1000", 4) = 4 [pid 5228] close(3) = 0 [pid 5228] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5228] memfd_create("syzkaller", 0) = 3 [pid 5228] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5228] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5228] munmap(0x7f9497c79000, 138412032) = 0 [pid 5228] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5228] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5228] close(3) = 0 [pid 5228] mkdir("./file0", 0777) = 0 [ 179.251047][ T5228] loop0: detected capacity change from 0 to 4096 [ 179.266291][ T5228] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5228] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5228] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5228] chdir("./file0") = 0 [pid 5228] ioctl(4, LOOP_CLR_FD) = 0 [pid 5228] close(4) = 0 [pid 5228] creat("./file2", 000) = 4 [ 179.300588][ T5228] ntfs: volume version 3.1. [pid 5228] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5228] creat("./file2", 000) = 5 [pid 5228] close(3) = 0 [pid 5228] close(4) = 0 [pid 5228] close(5) = 0 [pid 5228] close(6) = -1 EBADF (Bad file descriptor) [pid 5228] close(7) = -1 EBADF (Bad file descriptor) [pid 5228] close(8) = -1 EBADF (Bad file descriptor) [pid 5228] close(9) = -1 EBADF (Bad file descriptor) [pid 5228] close(10) = -1 EBADF (Bad file descriptor) [pid 5228] close(11) = -1 EBADF (Bad file descriptor) [pid 5228] close(12) = -1 EBADF (Bad file descriptor) [pid 5228] close(13) = -1 EBADF (Bad file descriptor) [pid 5228] close(14) = -1 EBADF (Bad file descriptor) [pid 5228] close(15) = -1 EBADF (Bad file descriptor) [pid 5228] close(16) = -1 EBADF (Bad file descriptor) [pid 5228] close(17) = -1 EBADF (Bad file descriptor) [pid 5228] close(18) = -1 EBADF (Bad file descriptor) [pid 5228] close(19) = -1 EBADF (Bad file descriptor) [pid 5228] close(20) = -1 EBADF (Bad file descriptor) [pid 5228] close(21) = -1 EBADF (Bad file descriptor) [pid 5228] close(22) = -1 EBADF (Bad file descriptor) [pid 5228] close(23) = -1 EBADF (Bad file descriptor) [pid 5228] close(24) = -1 EBADF (Bad file descriptor) [pid 5228] close(25) = -1 EBADF (Bad file descriptor) [pid 5228] close(26) = -1 EBADF (Bad file descriptor) [pid 5228] close(27) = -1 EBADF (Bad file descriptor) [pid 5228] close(28) = -1 EBADF (Bad file descriptor) [pid 5228] close(29) = -1 EBADF (Bad file descriptor) [pid 5228] exit_group(0) = ? [pid 5228] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=159, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- [pid 5062] umount2("./157", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./157/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./157/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./157/cgroup.cpu") = 0 [pid 5062] umount2("./157/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./157/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./157/binderfs") = 0 [pid 5062] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./157/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./157/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./157/file0") = 0 [pid 5062] umount2("./157/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./157/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./157/cgroup") = 0 [pid 5062] umount2("./157/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./157/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./157/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./157") = 0 [pid 5062] mkdir("./158", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5229 attached [pid 5229] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 160 [pid 5229] <... set_robust_list resumed>) = 0 [pid 5229] chdir("./158") = 0 [pid 5229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5229] setpgid(0, 0) = 0 [pid 5229] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5229] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5229] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5229] write(3, "1000", 4) = 4 [pid 5229] close(3) = 0 [pid 5229] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5229] memfd_create("syzkaller", 0) = 3 [pid 5229] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5229] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5229] munmap(0x7f9497c79000, 138412032) = 0 [pid 5229] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5229] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5229] close(3) = 0 [pid 5229] mkdir("./file0", 0777) = 0 [ 179.883677][ T5229] loop0: detected capacity change from 0 to 4096 [ 179.897710][ T5229] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5229] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5229] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5229] chdir("./file0") = 0 [pid 5229] ioctl(4, LOOP_CLR_FD) = 0 [ 179.932843][ T5229] ntfs: volume version 3.1. [pid 5229] close(4) = 0 [pid 5229] creat("./file2", 000) = 4 [pid 5229] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5229] creat("./file2", 000) = 5 [pid 5229] close(3) = 0 [pid 5229] close(4) = 0 [pid 5229] close(5) = 0 [pid 5229] close(6) = -1 EBADF (Bad file descriptor) [pid 5229] close(7) = -1 EBADF (Bad file descriptor) [pid 5229] close(8) = -1 EBADF (Bad file descriptor) [pid 5229] close(9) = -1 EBADF (Bad file descriptor) [pid 5229] close(10) = -1 EBADF (Bad file descriptor) [pid 5229] close(11) = -1 EBADF (Bad file descriptor) [pid 5229] close(12) = -1 EBADF (Bad file descriptor) [pid 5229] close(13) = -1 EBADF (Bad file descriptor) [pid 5229] close(14) = -1 EBADF (Bad file descriptor) [pid 5229] close(15) = -1 EBADF (Bad file descriptor) [pid 5229] close(16) = -1 EBADF (Bad file descriptor) [pid 5229] close(17) = -1 EBADF (Bad file descriptor) [pid 5229] close(18) = -1 EBADF (Bad file descriptor) [pid 5229] close(19) = -1 EBADF (Bad file descriptor) [pid 5229] close(20) = -1 EBADF (Bad file descriptor) [pid 5229] close(21) = -1 EBADF (Bad file descriptor) [pid 5229] close(22) = -1 EBADF (Bad file descriptor) [pid 5229] close(23) = -1 EBADF (Bad file descriptor) [pid 5229] close(24) = -1 EBADF (Bad file descriptor) [pid 5229] close(25) = -1 EBADF (Bad file descriptor) [pid 5229] close(26) = -1 EBADF (Bad file descriptor) [pid 5229] close(27) = -1 EBADF (Bad file descriptor) [pid 5229] close(28) = -1 EBADF (Bad file descriptor) [pid 5229] close(29) = -1 EBADF (Bad file descriptor) [pid 5229] exit_group(0) = ? [pid 5229] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=160, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./158/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./158/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./158/cgroup.cpu") = 0 [pid 5062] umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./158/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./158/binderfs") = 0 [pid 5062] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./158/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./158/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./158/file0") = 0 [pid 5062] umount2("./158/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./158/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./158/cgroup") = 0 [pid 5062] umount2("./158/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./158/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./158/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./158") = 0 [pid 5062] mkdir("./159", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5230 attached [pid 5230] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 161 [pid 5230] <... set_robust_list resumed>) = 0 [pid 5230] chdir("./159") = 0 [pid 5230] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5230] setpgid(0, 0) = 0 [pid 5230] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5230] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5230] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5230] write(3, "1000", 4) = 4 [pid 5230] close(3) = 0 [pid 5230] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5230] memfd_create("syzkaller", 0) = 3 [pid 5230] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5230] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5230] munmap(0x7f9497c79000, 138412032) = 0 [pid 5230] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5230] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5230] close(3) = 0 [pid 5230] mkdir("./file0", 0777) = 0 [ 180.534296][ T5230] loop0: detected capacity change from 0 to 4096 [ 180.549051][ T5230] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5230] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5230] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5230] chdir("./file0") = 0 [pid 5230] ioctl(4, LOOP_CLR_FD) = 0 [pid 5230] close(4) = 0 [pid 5230] creat("./file2", 000) = 4 [ 180.587500][ T5230] ntfs: volume version 3.1. [pid 5230] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5230] creat("./file2", 000) = 5 [pid 5230] close(3) = 0 [pid 5230] close(4) = 0 [pid 5230] close(5) = 0 [pid 5230] close(6) = -1 EBADF (Bad file descriptor) [pid 5230] close(7) = -1 EBADF (Bad file descriptor) [pid 5230] close(8) = -1 EBADF (Bad file descriptor) [pid 5230] close(9) = -1 EBADF (Bad file descriptor) [pid 5230] close(10) = -1 EBADF (Bad file descriptor) [pid 5230] close(11) = -1 EBADF (Bad file descriptor) [pid 5230] close(12) = -1 EBADF (Bad file descriptor) [pid 5230] close(13) = -1 EBADF (Bad file descriptor) [pid 5230] close(14) = -1 EBADF (Bad file descriptor) [pid 5230] close(15) = -1 EBADF (Bad file descriptor) [pid 5230] close(16) = -1 EBADF (Bad file descriptor) [pid 5230] close(17) = -1 EBADF (Bad file descriptor) [pid 5230] close(18) = -1 EBADF (Bad file descriptor) [pid 5230] close(19) = -1 EBADF (Bad file descriptor) [pid 5230] close(20) = -1 EBADF (Bad file descriptor) [pid 5230] close(21) = -1 EBADF (Bad file descriptor) [pid 5230] close(22) = -1 EBADF (Bad file descriptor) [pid 5230] close(23) = -1 EBADF (Bad file descriptor) [pid 5230] close(24) = -1 EBADF (Bad file descriptor) [pid 5230] close(25) = -1 EBADF (Bad file descriptor) [pid 5230] close(26) = -1 EBADF (Bad file descriptor) [pid 5230] close(27) = -1 EBADF (Bad file descriptor) [pid 5230] close(28) = -1 EBADF (Bad file descriptor) [pid 5230] close(29) = -1 EBADF (Bad file descriptor) [pid 5230] exit_group(0) = ? [pid 5230] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=161, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5062] umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./159/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./159/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./159/cgroup.cpu") = 0 [pid 5062] umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./159/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./159/binderfs") = 0 [pid 5062] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./159/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./159/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./159/file0") = 0 [pid 5062] umount2("./159/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./159/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./159/cgroup") = 0 [pid 5062] umount2("./159/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./159/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./159/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./159") = 0 [pid 5062] mkdir("./160", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5231 attached [pid 5231] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 162 [pid 5231] <... set_robust_list resumed>) = 0 [pid 5231] chdir("./160") = 0 [pid 5231] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5231] setpgid(0, 0) = 0 [pid 5231] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5231] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5231] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5231] write(3, "1000", 4) = 4 [pid 5231] close(3) = 0 [pid 5231] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5231] memfd_create("syzkaller", 0) = 3 [pid 5231] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5231] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5231] munmap(0x7f9497c79000, 138412032) = 0 [pid 5231] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5231] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5231] close(3) = 0 [pid 5231] mkdir("./file0", 0777) = 0 [ 181.155417][ T5231] loop0: detected capacity change from 0 to 4096 [ 181.172775][ T5231] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5231] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5231] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5231] chdir("./file0") = 0 [pid 5231] ioctl(4, LOOP_CLR_FD) = 0 [pid 5231] close(4) = 0 [pid 5231] creat("./file2", 000) = 4 [ 181.205902][ T5231] ntfs: volume version 3.1. [pid 5231] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5231] creat("./file2", 000) = 5 [pid 5231] close(3) = 0 [pid 5231] close(4) = 0 [pid 5231] close(5) = 0 [pid 5231] close(6) = -1 EBADF (Bad file descriptor) [pid 5231] close(7) = -1 EBADF (Bad file descriptor) [pid 5231] close(8) = -1 EBADF (Bad file descriptor) [pid 5231] close(9) = -1 EBADF (Bad file descriptor) [pid 5231] close(10) = -1 EBADF (Bad file descriptor) [pid 5231] close(11) = -1 EBADF (Bad file descriptor) [pid 5231] close(12) = -1 EBADF (Bad file descriptor) [pid 5231] close(13) = -1 EBADF (Bad file descriptor) [pid 5231] close(14) = -1 EBADF (Bad file descriptor) [pid 5231] close(15) = -1 EBADF (Bad file descriptor) [pid 5231] close(16) = -1 EBADF (Bad file descriptor) [pid 5231] close(17) = -1 EBADF (Bad file descriptor) [pid 5231] close(18) = -1 EBADF (Bad file descriptor) [pid 5231] close(19) = -1 EBADF (Bad file descriptor) [pid 5231] close(20) = -1 EBADF (Bad file descriptor) [pid 5231] close(21) = -1 EBADF (Bad file descriptor) [pid 5231] close(22) = -1 EBADF (Bad file descriptor) [pid 5231] close(23) = -1 EBADF (Bad file descriptor) [pid 5231] close(24) = -1 EBADF (Bad file descriptor) [pid 5231] close(25) = -1 EBADF (Bad file descriptor) [pid 5231] close(26) = -1 EBADF (Bad file descriptor) [pid 5231] close(27) = -1 EBADF (Bad file descriptor) [pid 5231] close(28) = -1 EBADF (Bad file descriptor) [pid 5231] close(29) = -1 EBADF (Bad file descriptor) [pid 5231] exit_group(0) = ? [pid 5231] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=162, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./160/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./160/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./160/cgroup.cpu") = 0 [pid 5062] umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./160/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./160/binderfs") = 0 [pid 5062] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./160/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./160/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./160/file0") = 0 [pid 5062] umount2("./160/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./160/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./160/cgroup") = 0 [pid 5062] umount2("./160/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./160/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./160/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./160") = 0 [pid 5062] mkdir("./161", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5232 attached [pid 5232] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 163 [pid 5232] <... set_robust_list resumed>) = 0 [pid 5232] chdir("./161") = 0 [pid 5232] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5232] setpgid(0, 0) = 0 [pid 5232] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5232] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5232] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5232] write(3, "1000", 4) = 4 [pid 5232] close(3) = 0 [pid 5232] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5232] memfd_create("syzkaller", 0) = 3 [pid 5232] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5232] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5232] munmap(0x7f9497c79000, 138412032) = 0 [pid 5232] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5232] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5232] close(3) = 0 [pid 5232] mkdir("./file0", 0777) = 0 [ 181.802820][ T5232] loop0: detected capacity change from 0 to 4096 [ 181.827177][ T5232] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5232] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5232] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5232] chdir("./file0") = 0 [ 181.862656][ T5232] ntfs: volume version 3.1. [pid 5232] ioctl(4, LOOP_CLR_FD) = 0 [pid 5232] close(4) = 0 [pid 5232] creat("./file2", 000) = 4 [pid 5232] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5232] creat("./file2", 000) = 5 [pid 5232] close(3) = 0 [pid 5232] close(4) = 0 [pid 5232] close(5) = 0 [pid 5232] close(6) = -1 EBADF (Bad file descriptor) [pid 5232] close(7) = -1 EBADF (Bad file descriptor) [pid 5232] close(8) = -1 EBADF (Bad file descriptor) [pid 5232] close(9) = -1 EBADF (Bad file descriptor) [pid 5232] close(10) = -1 EBADF (Bad file descriptor) [pid 5232] close(11) = -1 EBADF (Bad file descriptor) [pid 5232] close(12) = -1 EBADF (Bad file descriptor) [pid 5232] close(13) = -1 EBADF (Bad file descriptor) [pid 5232] close(14) = -1 EBADF (Bad file descriptor) [pid 5232] close(15) = -1 EBADF (Bad file descriptor) [pid 5232] close(16) = -1 EBADF (Bad file descriptor) [pid 5232] close(17) = -1 EBADF (Bad file descriptor) [pid 5232] close(18) = -1 EBADF (Bad file descriptor) [pid 5232] close(19) = -1 EBADF (Bad file descriptor) [pid 5232] close(20) = -1 EBADF (Bad file descriptor) [pid 5232] close(21) = -1 EBADF (Bad file descriptor) [pid 5232] close(22) = -1 EBADF (Bad file descriptor) [pid 5232] close(23) = -1 EBADF (Bad file descriptor) [pid 5232] close(24) = -1 EBADF (Bad file descriptor) [pid 5232] close(25) = -1 EBADF (Bad file descriptor) [pid 5232] close(26) = -1 EBADF (Bad file descriptor) [pid 5232] close(27) = -1 EBADF (Bad file descriptor) [pid 5232] close(28) = -1 EBADF (Bad file descriptor) [pid 5232] close(29) = -1 EBADF (Bad file descriptor) [pid 5232] exit_group(0) = ? [pid 5232] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=163, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./161/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./161/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./161/cgroup.cpu") = 0 [pid 5062] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./161/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./161/binderfs") = 0 [pid 5062] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./161/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./161/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./161/file0") = 0 [pid 5062] umount2("./161/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./161/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./161/cgroup") = 0 [pid 5062] umount2("./161/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./161/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./161/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./161") = 0 [pid 5062] mkdir("./162", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5233 attached [pid 5233] set_robust_list(0x555556e8b660, 24) = 0 [pid 5233] chdir("./162") = 0 [pid 5233] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5233] setpgid(0, 0 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 164 [pid 5233] <... setpgid resumed>) = 0 [pid 5233] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5233] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5233] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5233] write(3, "1000", 4) = 4 [pid 5233] close(3) = 0 [pid 5233] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5233] memfd_create("syzkaller", 0) = 3 [pid 5233] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5233] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5233] munmap(0x7f9497c79000, 138412032) = 0 [pid 5233] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5233] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5233] close(3) = 0 [pid 5233] mkdir("./file0", 0777) = 0 [ 182.419178][ T5233] loop0: detected capacity change from 0 to 4096 [ 182.444290][ T5233] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5233] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5233] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5233] chdir("./file0") = 0 [pid 5233] ioctl(4, LOOP_CLR_FD) = 0 [pid 5233] close(4) = 0 [ 182.479247][ T5233] ntfs: volume version 3.1. [pid 5233] creat("./file2", 000) = 4 [pid 5233] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5233] creat("./file2", 000) = 5 [pid 5233] close(3) = 0 [pid 5233] close(4) = 0 [pid 5233] close(5) = 0 [pid 5233] close(6) = -1 EBADF (Bad file descriptor) [pid 5233] close(7) = -1 EBADF (Bad file descriptor) [pid 5233] close(8) = -1 EBADF (Bad file descriptor) [pid 5233] close(9) = -1 EBADF (Bad file descriptor) [pid 5233] close(10) = -1 EBADF (Bad file descriptor) [pid 5233] close(11) = -1 EBADF (Bad file descriptor) [pid 5233] close(12) = -1 EBADF (Bad file descriptor) [pid 5233] close(13) = -1 EBADF (Bad file descriptor) [pid 5233] close(14) = -1 EBADF (Bad file descriptor) [pid 5233] close(15) = -1 EBADF (Bad file descriptor) [pid 5233] close(16) = -1 EBADF (Bad file descriptor) [pid 5233] close(17) = -1 EBADF (Bad file descriptor) [pid 5233] close(18) = -1 EBADF (Bad file descriptor) [pid 5233] close(19) = -1 EBADF (Bad file descriptor) [pid 5233] close(20) = -1 EBADF (Bad file descriptor) [pid 5233] close(21) = -1 EBADF (Bad file descriptor) [pid 5233] close(22) = -1 EBADF (Bad file descriptor) [pid 5233] close(23) = -1 EBADF (Bad file descriptor) [pid 5233] close(24) = -1 EBADF (Bad file descriptor) [pid 5233] close(25) = -1 EBADF (Bad file descriptor) [pid 5233] close(26) = -1 EBADF (Bad file descriptor) [pid 5233] close(27) = -1 EBADF (Bad file descriptor) [pid 5233] close(28) = -1 EBADF (Bad file descriptor) [pid 5233] close(29) = -1 EBADF (Bad file descriptor) [pid 5233] exit_group(0) = ? [pid 5233] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=164, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- [pid 5062] umount2("./162", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./162/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./162/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./162/cgroup.cpu") = 0 [pid 5062] umount2("./162/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./162/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./162/binderfs") = 0 [pid 5062] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./162/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./162/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./162/file0") = 0 [pid 5062] umount2("./162/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./162/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./162/cgroup") = 0 [pid 5062] umount2("./162/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./162/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./162/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./162") = 0 [pid 5062] mkdir("./163", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5234 attached , child_tidptr=0x555556e8b650) = 165 [pid 5234] set_robust_list(0x555556e8b660, 24) = 0 [pid 5234] chdir("./163") = 0 [pid 5234] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5234] setpgid(0, 0) = 0 [pid 5234] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5234] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5234] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5234] write(3, "1000", 4) = 4 [pid 5234] close(3) = 0 [pid 5234] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5234] memfd_create("syzkaller", 0) = 3 [pid 5234] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5234] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5234] munmap(0x7f9497c79000, 138412032) = 0 [pid 5234] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5234] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5234] close(3) = 0 [pid 5234] mkdir("./file0", 0777) = 0 [ 182.983700][ T5234] loop0: detected capacity change from 0 to 4096 [ 182.998192][ T5234] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5234] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5234] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5234] chdir("./file0") = 0 [ 183.034578][ T5234] ntfs: volume version 3.1. [pid 5234] ioctl(4, LOOP_CLR_FD) = 0 [pid 5234] close(4) = 0 [pid 5234] creat("./file2", 000) = 4 [pid 5234] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5234] creat("./file2", 000) = 5 [pid 5234] close(3) = 0 [pid 5234] close(4) = 0 [pid 5234] close(5) = 0 [pid 5234] close(6) = -1 EBADF (Bad file descriptor) [pid 5234] close(7) = -1 EBADF (Bad file descriptor) [pid 5234] close(8) = -1 EBADF (Bad file descriptor) [pid 5234] close(9) = -1 EBADF (Bad file descriptor) [pid 5234] close(10) = -1 EBADF (Bad file descriptor) [pid 5234] close(11) = -1 EBADF (Bad file descriptor) [pid 5234] close(12) = -1 EBADF (Bad file descriptor) [pid 5234] close(13) = -1 EBADF (Bad file descriptor) [pid 5234] close(14) = -1 EBADF (Bad file descriptor) [pid 5234] close(15) = -1 EBADF (Bad file descriptor) [pid 5234] close(16) = -1 EBADF (Bad file descriptor) [pid 5234] close(17) = -1 EBADF (Bad file descriptor) [pid 5234] close(18) = -1 EBADF (Bad file descriptor) [pid 5234] close(19) = -1 EBADF (Bad file descriptor) [pid 5234] close(20) = -1 EBADF (Bad file descriptor) [pid 5234] close(21) = -1 EBADF (Bad file descriptor) [pid 5234] close(22) = -1 EBADF (Bad file descriptor) [pid 5234] close(23) = -1 EBADF (Bad file descriptor) [pid 5234] close(24) = -1 EBADF (Bad file descriptor) [pid 5234] close(25) = -1 EBADF (Bad file descriptor) [pid 5234] close(26) = -1 EBADF (Bad file descriptor) [pid 5234] close(27) = -1 EBADF (Bad file descriptor) [pid 5234] close(28) = -1 EBADF (Bad file descriptor) [pid 5234] close(29) = -1 EBADF (Bad file descriptor) [pid 5234] exit_group(0) = ? [pid 5234] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=165, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./163", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./163/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./163/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./163/cgroup.cpu") = 0 [pid 5062] umount2("./163/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./163/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./163/binderfs") = 0 [pid 5062] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./163/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./163/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./163/file0") = 0 [pid 5062] umount2("./163/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./163/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./163/cgroup") = 0 [pid 5062] umount2("./163/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./163/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./163/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./163") = 0 [pid 5062] mkdir("./164", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5235 attached [pid 5235] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 166 [pid 5235] <... set_robust_list resumed>) = 0 [pid 5235] chdir("./164") = 0 [pid 5235] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5235] setpgid(0, 0) = 0 [pid 5235] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5235] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5235] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5235] write(3, "1000", 4) = 4 [pid 5235] close(3) = 0 [pid 5235] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5235] memfd_create("syzkaller", 0) = 3 [pid 5235] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5235] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5235] munmap(0x7f9497c79000, 138412032) = 0 [pid 5235] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5235] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5235] close(3) = 0 [pid 5235] mkdir("./file0", 0777) = 0 [ 183.586682][ T5235] loop0: detected capacity change from 0 to 4096 [ 183.612970][ T5235] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5235] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5235] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5235] chdir("./file0") = 0 [pid 5235] ioctl(4, LOOP_CLR_FD) = 0 [pid 5235] close(4) = 0 [ 183.648813][ T5235] ntfs: volume version 3.1. [pid 5235] creat("./file2", 000) = 4 [pid 5235] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5235] creat("./file2", 000) = 5 [pid 5235] close(3) = 0 [pid 5235] close(4) = 0 [pid 5235] close(5) = 0 [pid 5235] close(6) = -1 EBADF (Bad file descriptor) [pid 5235] close(7) = -1 EBADF (Bad file descriptor) [pid 5235] close(8) = -1 EBADF (Bad file descriptor) [pid 5235] close(9) = -1 EBADF (Bad file descriptor) [pid 5235] close(10) = -1 EBADF (Bad file descriptor) [pid 5235] close(11) = -1 EBADF (Bad file descriptor) [pid 5235] close(12) = -1 EBADF (Bad file descriptor) [pid 5235] close(13) = -1 EBADF (Bad file descriptor) [pid 5235] close(14) = -1 EBADF (Bad file descriptor) [pid 5235] close(15) = -1 EBADF (Bad file descriptor) [pid 5235] close(16) = -1 EBADF (Bad file descriptor) [pid 5235] close(17) = -1 EBADF (Bad file descriptor) [pid 5235] close(18) = -1 EBADF (Bad file descriptor) [pid 5235] close(19) = -1 EBADF (Bad file descriptor) [pid 5235] close(20) = -1 EBADF (Bad file descriptor) [pid 5235] close(21) = -1 EBADF (Bad file descriptor) [pid 5235] close(22) = -1 EBADF (Bad file descriptor) [pid 5235] close(23) = -1 EBADF (Bad file descriptor) [pid 5235] close(24) = -1 EBADF (Bad file descriptor) [pid 5235] close(25) = -1 EBADF (Bad file descriptor) [pid 5235] close(26) = -1 EBADF (Bad file descriptor) [pid 5235] close(27) = -1 EBADF (Bad file descriptor) [pid 5235] close(28) = -1 EBADF (Bad file descriptor) [pid 5235] close(29) = -1 EBADF (Bad file descriptor) [pid 5235] exit_group(0) = ? [pid 5235] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=166, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] umount2("./164", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./164/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./164/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./164/cgroup.cpu") = 0 [pid 5062] umount2("./164/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./164/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./164/binderfs") = 0 [pid 5062] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./164/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./164/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./164/file0") = 0 [pid 5062] umount2("./164/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./164/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./164/cgroup") = 0 [pid 5062] umount2("./164/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./164/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./164/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./164") = 0 [pid 5062] mkdir("./165", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5236 attached , child_tidptr=0x555556e8b650) = 167 [pid 5236] set_robust_list(0x555556e8b660, 24) = 0 [pid 5236] chdir("./165") = 0 [pid 5236] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5236] setpgid(0, 0) = 0 [pid 5236] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5236] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5236] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5236] write(3, "1000", 4) = 4 [pid 5236] close(3) = 0 [pid 5236] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5236] memfd_create("syzkaller", 0) = 3 [pid 5236] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5236] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5236] munmap(0x7f9497c79000, 138412032) = 0 [pid 5236] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5236] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5236] close(3) = 0 [pid 5236] mkdir("./file0", 0777) = 0 [ 184.154569][ T5236] loop0: detected capacity change from 0 to 4096 [ 184.168994][ T5236] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5236] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5236] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5236] chdir("./file0") = 0 [pid 5236] ioctl(4, LOOP_CLR_FD) = 0 [pid 5236] close(4) = 0 [ 184.204759][ T5236] ntfs: volume version 3.1. [pid 5236] creat("./file2", 000) = 4 [pid 5236] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5236] creat("./file2", 000) = 5 [pid 5236] close(3) = 0 [pid 5236] close(4) = 0 [pid 5236] close(5) = 0 [pid 5236] close(6) = -1 EBADF (Bad file descriptor) [pid 5236] close(7) = -1 EBADF (Bad file descriptor) [pid 5236] close(8) = -1 EBADF (Bad file descriptor) [pid 5236] close(9) = -1 EBADF (Bad file descriptor) [pid 5236] close(10) = -1 EBADF (Bad file descriptor) [pid 5236] close(11) = -1 EBADF (Bad file descriptor) [pid 5236] close(12) = -1 EBADF (Bad file descriptor) [pid 5236] close(13) = -1 EBADF (Bad file descriptor) [pid 5236] close(14) = -1 EBADF (Bad file descriptor) [pid 5236] close(15) = -1 EBADF (Bad file descriptor) [pid 5236] close(16) = -1 EBADF (Bad file descriptor) [pid 5236] close(17) = -1 EBADF (Bad file descriptor) [pid 5236] close(18) = -1 EBADF (Bad file descriptor) [pid 5236] close(19) = -1 EBADF (Bad file descriptor) [pid 5236] close(20) = -1 EBADF (Bad file descriptor) [pid 5236] close(21) = -1 EBADF (Bad file descriptor) [pid 5236] close(22) = -1 EBADF (Bad file descriptor) [pid 5236] close(23) = -1 EBADF (Bad file descriptor) [pid 5236] close(24) = -1 EBADF (Bad file descriptor) [pid 5236] close(25) = -1 EBADF (Bad file descriptor) [pid 5236] close(26) = -1 EBADF (Bad file descriptor) [pid 5236] close(27) = -1 EBADF (Bad file descriptor) [pid 5236] close(28) = -1 EBADF (Bad file descriptor) [pid 5236] close(29) = -1 EBADF (Bad file descriptor) [pid 5236] exit_group(0) = ? [pid 5236] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=167, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./165", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./165/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./165/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./165/cgroup.cpu") = 0 [pid 5062] umount2("./165/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./165/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./165/binderfs") = 0 [pid 5062] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./165/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./165/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./165/file0") = 0 [pid 5062] umount2("./165/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./165/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./165/cgroup") = 0 [pid 5062] umount2("./165/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./165/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./165/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./165") = 0 [pid 5062] mkdir("./166", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5237 attached , child_tidptr=0x555556e8b650) = 168 [pid 5237] set_robust_list(0x555556e8b660, 24) = 0 [pid 5237] chdir("./166") = 0 [pid 5237] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5237] setpgid(0, 0) = 0 [pid 5237] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5237] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5237] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5237] write(3, "1000", 4) = 4 [pid 5237] close(3) = 0 [pid 5237] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5237] memfd_create("syzkaller", 0) = 3 [pid 5237] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5237] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5237] munmap(0x7f9497c79000, 138412032) = 0 [pid 5237] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5237] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5237] close(3) = 0 [pid 5237] mkdir("./file0", 0777) = 0 [ 184.824840][ T5237] loop0: detected capacity change from 0 to 4096 [ 184.838934][ T5237] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5237] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5237] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5237] chdir("./file0") = 0 [ 184.875069][ T5237] ntfs: volume version 3.1. [pid 5237] ioctl(4, LOOP_CLR_FD) = 0 [pid 5237] close(4) = 0 [pid 5237] creat("./file2", 000) = 4 [pid 5237] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5237] creat("./file2", 000) = 5 [pid 5237] close(3) = 0 [pid 5237] close(4) = 0 [pid 5237] close(5) = 0 [pid 5237] close(6) = -1 EBADF (Bad file descriptor) [pid 5237] close(7) = -1 EBADF (Bad file descriptor) [pid 5237] close(8) = -1 EBADF (Bad file descriptor) [pid 5237] close(9) = -1 EBADF (Bad file descriptor) [pid 5237] close(10) = -1 EBADF (Bad file descriptor) [pid 5237] close(11) = -1 EBADF (Bad file descriptor) [pid 5237] close(12) = -1 EBADF (Bad file descriptor) [pid 5237] close(13) = -1 EBADF (Bad file descriptor) [pid 5237] close(14) = -1 EBADF (Bad file descriptor) [pid 5237] close(15) = -1 EBADF (Bad file descriptor) [pid 5237] close(16) = -1 EBADF (Bad file descriptor) [pid 5237] close(17) = -1 EBADF (Bad file descriptor) [pid 5237] close(18) = -1 EBADF (Bad file descriptor) [pid 5237] close(19) = -1 EBADF (Bad file descriptor) [pid 5237] close(20) = -1 EBADF (Bad file descriptor) [pid 5237] close(21) = -1 EBADF (Bad file descriptor) [pid 5237] close(22) = -1 EBADF (Bad file descriptor) [pid 5237] close(23) = -1 EBADF (Bad file descriptor) [pid 5237] close(24) = -1 EBADF (Bad file descriptor) [pid 5237] close(25) = -1 EBADF (Bad file descriptor) [pid 5237] close(26) = -1 EBADF (Bad file descriptor) [pid 5237] close(27) = -1 EBADF (Bad file descriptor) [pid 5237] close(28) = -1 EBADF (Bad file descriptor) [pid 5237] close(29) = -1 EBADF (Bad file descriptor) [pid 5237] exit_group(0) = ? [pid 5237] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=168, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] umount2("./166", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./166/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./166/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./166/cgroup.cpu") = 0 [pid 5062] umount2("./166/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./166/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./166/binderfs") = 0 [pid 5062] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./166/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./166/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./166/file0") = 0 [pid 5062] umount2("./166/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./166/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./166/cgroup") = 0 [pid 5062] umount2("./166/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./166/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./166/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./166") = 0 [pid 5062] mkdir("./167", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5238 attached [pid 5238] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 169 [pid 5238] <... set_robust_list resumed>) = 0 [pid 5238] chdir("./167") = 0 [pid 5238] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5238] setpgid(0, 0) = 0 [pid 5238] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5238] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5238] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5238] write(3, "1000", 4) = 4 [pid 5238] close(3) = 0 [pid 5238] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5238] memfd_create("syzkaller", 0) = 3 [pid 5238] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5238] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5238] munmap(0x7f9497c79000, 138412032) = 0 [pid 5238] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5238] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5238] close(3) = 0 [pid 5238] mkdir("./file0", 0777) = 0 [ 185.486460][ T5238] loop0: detected capacity change from 0 to 4096 [ 185.513825][ T5238] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5238] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5238] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5238] chdir("./file0") = 0 [pid 5238] ioctl(4, LOOP_CLR_FD) = 0 [pid 5238] close(4) = 0 [ 185.548472][ T5238] ntfs: volume version 3.1. [pid 5238] creat("./file2", 000) = 4 [pid 5238] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5238] creat("./file2", 000) = 5 [pid 5238] close(3) = 0 [pid 5238] close(4) = 0 [pid 5238] close(5) = 0 [pid 5238] close(6) = -1 EBADF (Bad file descriptor) [pid 5238] close(7) = -1 EBADF (Bad file descriptor) [pid 5238] close(8) = -1 EBADF (Bad file descriptor) [pid 5238] close(9) = -1 EBADF (Bad file descriptor) [pid 5238] close(10) = -1 EBADF (Bad file descriptor) [pid 5238] close(11) = -1 EBADF (Bad file descriptor) [pid 5238] close(12) = -1 EBADF (Bad file descriptor) [pid 5238] close(13) = -1 EBADF (Bad file descriptor) [pid 5238] close(14) = -1 EBADF (Bad file descriptor) [pid 5238] close(15) = -1 EBADF (Bad file descriptor) [pid 5238] close(16) = -1 EBADF (Bad file descriptor) [pid 5238] close(17) = -1 EBADF (Bad file descriptor) [pid 5238] close(18) = -1 EBADF (Bad file descriptor) [pid 5238] close(19) = -1 EBADF (Bad file descriptor) [pid 5238] close(20) = -1 EBADF (Bad file descriptor) [pid 5238] close(21) = -1 EBADF (Bad file descriptor) [pid 5238] close(22) = -1 EBADF (Bad file descriptor) [pid 5238] close(23) = -1 EBADF (Bad file descriptor) [pid 5238] close(24) = -1 EBADF (Bad file descriptor) [pid 5238] close(25) = -1 EBADF (Bad file descriptor) [pid 5238] close(26) = -1 EBADF (Bad file descriptor) [pid 5238] close(27) = -1 EBADF (Bad file descriptor) [pid 5238] close(28) = -1 EBADF (Bad file descriptor) [pid 5238] close(29) = -1 EBADF (Bad file descriptor) [pid 5238] exit_group(0) = ? [pid 5238] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=169, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5062] umount2("./167", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./167/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./167/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./167/cgroup.cpu") = 0 [pid 5062] umount2("./167/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./167/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./167/binderfs") = 0 [pid 5062] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./167/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./167/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./167/file0") = 0 [pid 5062] umount2("./167/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./167/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./167/cgroup") = 0 [pid 5062] umount2("./167/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./167/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./167/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./167") = 0 [pid 5062] mkdir("./168", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5239 attached [pid 5239] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 170 [pid 5239] <... set_robust_list resumed>) = 0 [pid 5239] chdir("./168") = 0 [pid 5239] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5239] setpgid(0, 0) = 0 [pid 5239] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5239] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5239] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5239] write(3, "1000", 4) = 4 [pid 5239] close(3) = 0 [pid 5239] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5239] memfd_create("syzkaller", 0) = 3 [pid 5239] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5239] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5239] munmap(0x7f9497c79000, 138412032) = 0 [pid 5239] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5239] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5239] close(3) = 0 [pid 5239] mkdir("./file0", 0777) = 0 [ 186.215888][ T5239] loop0: detected capacity change from 0 to 4096 [ 186.233400][ T5239] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5239] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5239] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5239] chdir("./file0") = 0 [pid 5239] ioctl(4, LOOP_CLR_FD) = 0 [pid 5239] close(4) = 0 [pid 5239] creat("./file2", 000) = 4 [ 186.268527][ T5239] ntfs: volume version 3.1. [pid 5239] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5239] creat("./file2", 000) = 5 [pid 5239] close(3) = 0 [pid 5239] close(4) = 0 [pid 5239] close(5) = 0 [pid 5239] close(6) = -1 EBADF (Bad file descriptor) [pid 5239] close(7) = -1 EBADF (Bad file descriptor) [pid 5239] close(8) = -1 EBADF (Bad file descriptor) [pid 5239] close(9) = -1 EBADF (Bad file descriptor) [pid 5239] close(10) = -1 EBADF (Bad file descriptor) [pid 5239] close(11) = -1 EBADF (Bad file descriptor) [pid 5239] close(12) = -1 EBADF (Bad file descriptor) [pid 5239] close(13) = -1 EBADF (Bad file descriptor) [pid 5239] close(14) = -1 EBADF (Bad file descriptor) [pid 5239] close(15) = -1 EBADF (Bad file descriptor) [pid 5239] close(16) = -1 EBADF (Bad file descriptor) [pid 5239] close(17) = -1 EBADF (Bad file descriptor) [pid 5239] close(18) = -1 EBADF (Bad file descriptor) [pid 5239] close(19) = -1 EBADF (Bad file descriptor) [pid 5239] close(20) = -1 EBADF (Bad file descriptor) [pid 5239] close(21) = -1 EBADF (Bad file descriptor) [pid 5239] close(22) = -1 EBADF (Bad file descriptor) [pid 5239] close(23) = -1 EBADF (Bad file descriptor) [pid 5239] close(24) = -1 EBADF (Bad file descriptor) [pid 5239] close(25) = -1 EBADF (Bad file descriptor) [pid 5239] close(26) = -1 EBADF (Bad file descriptor) [pid 5239] close(27) = -1 EBADF (Bad file descriptor) [pid 5239] close(28) = -1 EBADF (Bad file descriptor) [pid 5239] close(29) = -1 EBADF (Bad file descriptor) [pid 5239] exit_group(0) = ? [pid 5239] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=170, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./168/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./168/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./168/cgroup.cpu") = 0 [pid 5062] umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./168/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./168/binderfs") = 0 [pid 5062] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./168/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./168/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./168/file0") = 0 [pid 5062] umount2("./168/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./168/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./168/cgroup") = 0 [pid 5062] umount2("./168/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./168/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./168/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./168") = 0 [pid 5062] mkdir("./169", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5240 attached [pid 5240] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 171 [pid 5240] <... set_robust_list resumed>) = 0 [pid 5240] chdir("./169") = 0 [pid 5240] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5240] setpgid(0, 0) = 0 [pid 5240] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5240] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5240] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5240] write(3, "1000", 4) = 4 [pid 5240] close(3) = 0 [pid 5240] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5240] memfd_create("syzkaller", 0) = 3 [pid 5240] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5240] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5240] munmap(0x7f9497c79000, 138412032) = 0 [pid 5240] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5240] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5240] close(3) = 0 [pid 5240] mkdir("./file0", 0777) = 0 [ 186.889701][ T5240] loop0: detected capacity change from 0 to 4096 [ 186.908130][ T5240] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5240] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5240] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5240] chdir("./file0") = 0 [pid 5240] ioctl(4, LOOP_CLR_FD) = 0 [pid 5240] close(4) = 0 [ 186.943708][ T5240] ntfs: volume version 3.1. [pid 5240] creat("./file2", 000) = 4 [pid 5240] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5240] creat("./file2", 000) = 5 [pid 5240] close(3) = 0 [pid 5240] close(4) = 0 [pid 5240] close(5) = 0 [pid 5240] close(6) = -1 EBADF (Bad file descriptor) [pid 5240] close(7) = -1 EBADF (Bad file descriptor) [pid 5240] close(8) = -1 EBADF (Bad file descriptor) [pid 5240] close(9) = -1 EBADF (Bad file descriptor) [pid 5240] close(10) = -1 EBADF (Bad file descriptor) [pid 5240] close(11) = -1 EBADF (Bad file descriptor) [pid 5240] close(12) = -1 EBADF (Bad file descriptor) [pid 5240] close(13) = -1 EBADF (Bad file descriptor) [pid 5240] close(14) = -1 EBADF (Bad file descriptor) [pid 5240] close(15) = -1 EBADF (Bad file descriptor) [pid 5240] close(16) = -1 EBADF (Bad file descriptor) [pid 5240] close(17) = -1 EBADF (Bad file descriptor) [pid 5240] close(18) = -1 EBADF (Bad file descriptor) [pid 5240] close(19) = -1 EBADF (Bad file descriptor) [pid 5240] close(20) = -1 EBADF (Bad file descriptor) [pid 5240] close(21) = -1 EBADF (Bad file descriptor) [pid 5240] close(22) = -1 EBADF (Bad file descriptor) [pid 5240] close(23) = -1 EBADF (Bad file descriptor) [pid 5240] close(24) = -1 EBADF (Bad file descriptor) [pid 5240] close(25) = -1 EBADF (Bad file descriptor) [pid 5240] close(26) = -1 EBADF (Bad file descriptor) [pid 5240] close(27) = -1 EBADF (Bad file descriptor) [pid 5240] close(28) = -1 EBADF (Bad file descriptor) [pid 5240] close(29) = -1 EBADF (Bad file descriptor) [pid 5240] exit_group(0) = ? [pid 5240] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=171, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./169/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./169/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./169/cgroup.cpu") = 0 [pid 5062] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./169/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./169/binderfs") = 0 [pid 5062] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./169/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./169/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./169/file0") = 0 [pid 5062] umount2("./169/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./169/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./169/cgroup") = 0 [pid 5062] umount2("./169/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./169/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./169/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./169") = 0 [pid 5062] mkdir("./170", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5241 attached , child_tidptr=0x555556e8b650) = 172 [pid 5241] set_robust_list(0x555556e8b660, 24) = 0 [pid 5241] chdir("./170") = 0 [pid 5241] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5241] setpgid(0, 0) = 0 [pid 5241] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5241] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5241] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5241] write(3, "1000", 4) = 4 [pid 5241] close(3) = 0 [pid 5241] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5241] memfd_create("syzkaller", 0) = 3 [pid 5241] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5241] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5241] munmap(0x7f9497c79000, 138412032) = 0 [pid 5241] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5241] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5241] close(3) = 0 [pid 5241] mkdir("./file0", 0777) = 0 [ 187.486164][ T5241] loop0: detected capacity change from 0 to 4096 [ 187.510744][ T5241] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5241] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5241] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5241] chdir("./file0") = 0 [pid 5241] ioctl(4, LOOP_CLR_FD) = 0 [ 187.542931][ T5241] ntfs: volume version 3.1. [pid 5241] close(4) = 0 [pid 5241] creat("./file2", 000) = 4 [pid 5241] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5241] creat("./file2", 000) = 5 [pid 5241] close(3) = 0 [pid 5241] close(4) = 0 [pid 5241] close(5) = 0 [pid 5241] close(6) = -1 EBADF (Bad file descriptor) [pid 5241] close(7) = -1 EBADF (Bad file descriptor) [pid 5241] close(8) = -1 EBADF (Bad file descriptor) [pid 5241] close(9) = -1 EBADF (Bad file descriptor) [pid 5241] close(10) = -1 EBADF (Bad file descriptor) [pid 5241] close(11) = -1 EBADF (Bad file descriptor) [pid 5241] close(12) = -1 EBADF (Bad file descriptor) [pid 5241] close(13) = -1 EBADF (Bad file descriptor) [pid 5241] close(14) = -1 EBADF (Bad file descriptor) [pid 5241] close(15) = -1 EBADF (Bad file descriptor) [pid 5241] close(16) = -1 EBADF (Bad file descriptor) [pid 5241] close(17) = -1 EBADF (Bad file descriptor) [pid 5241] close(18) = -1 EBADF (Bad file descriptor) [pid 5241] close(19) = -1 EBADF (Bad file descriptor) [pid 5241] close(20) = -1 EBADF (Bad file descriptor) [pid 5241] close(21) = -1 EBADF (Bad file descriptor) [pid 5241] close(22) = -1 EBADF (Bad file descriptor) [pid 5241] close(23) = -1 EBADF (Bad file descriptor) [pid 5241] close(24) = -1 EBADF (Bad file descriptor) [pid 5241] close(25) = -1 EBADF (Bad file descriptor) [pid 5241] close(26) = -1 EBADF (Bad file descriptor) [pid 5241] close(27) = -1 EBADF (Bad file descriptor) [pid 5241] close(28) = -1 EBADF (Bad file descriptor) [pid 5241] close(29) = -1 EBADF (Bad file descriptor) [pid 5241] exit_group(0) = ? [pid 5241] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=172, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./170/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./170/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./170/cgroup.cpu") = 0 [pid 5062] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./170/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./170/binderfs") = 0 [pid 5062] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./170/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./170/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./170/file0") = 0 [pid 5062] umount2("./170/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./170/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./170/cgroup") = 0 [pid 5062] umount2("./170/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./170/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./170/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./170") = 0 [pid 5062] mkdir("./171", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5242 attached [pid 5242] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 173 [pid 5242] <... set_robust_list resumed>) = 0 [pid 5242] chdir("./171") = 0 [pid 5242] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5242] setpgid(0, 0) = 0 [pid 5242] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5242] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5242] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5242] write(3, "1000", 4) = 4 [pid 5242] close(3) = 0 [pid 5242] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5242] memfd_create("syzkaller", 0) = 3 [pid 5242] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5242] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5242] munmap(0x7f9497c79000, 138412032) = 0 [pid 5242] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5242] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5242] close(3) = 0 [pid 5242] mkdir("./file0", 0777) = 0 [ 188.122662][ T5242] loop0: detected capacity change from 0 to 4096 [ 188.148136][ T5242] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5242] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5242] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5242] chdir("./file0") = 0 [pid 5242] ioctl(4, LOOP_CLR_FD) = 0 [pid 5242] close(4) = 0 [ 188.180463][ T5242] ntfs: volume version 3.1. [pid 5242] creat("./file2", 000) = 4 [pid 5242] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5242] creat("./file2", 000) = 5 [pid 5242] close(3) = 0 [pid 5242] close(4) = 0 [pid 5242] close(5) = 0 [pid 5242] close(6) = -1 EBADF (Bad file descriptor) [pid 5242] close(7) = -1 EBADF (Bad file descriptor) [pid 5242] close(8) = -1 EBADF (Bad file descriptor) [pid 5242] close(9) = -1 EBADF (Bad file descriptor) [pid 5242] close(10) = -1 EBADF (Bad file descriptor) [pid 5242] close(11) = -1 EBADF (Bad file descriptor) [pid 5242] close(12) = -1 EBADF (Bad file descriptor) [pid 5242] close(13) = -1 EBADF (Bad file descriptor) [pid 5242] close(14) = -1 EBADF (Bad file descriptor) [pid 5242] close(15) = -1 EBADF (Bad file descriptor) [pid 5242] close(16) = -1 EBADF (Bad file descriptor) [pid 5242] close(17) = -1 EBADF (Bad file descriptor) [pid 5242] close(18) = -1 EBADF (Bad file descriptor) [pid 5242] close(19) = -1 EBADF (Bad file descriptor) [pid 5242] close(20) = -1 EBADF (Bad file descriptor) [pid 5242] close(21) = -1 EBADF (Bad file descriptor) [pid 5242] close(22) = -1 EBADF (Bad file descriptor) [pid 5242] close(23) = -1 EBADF (Bad file descriptor) [pid 5242] close(24) = -1 EBADF (Bad file descriptor) [pid 5242] close(25) = -1 EBADF (Bad file descriptor) [pid 5242] close(26) = -1 EBADF (Bad file descriptor) [pid 5242] close(27) = -1 EBADF (Bad file descriptor) [pid 5242] close(28) = -1 EBADF (Bad file descriptor) [pid 5242] close(29) = -1 EBADF (Bad file descriptor) [pid 5242] exit_group(0) = ? [pid 5242] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=173, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./171/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./171/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./171/cgroup.cpu") = 0 [pid 5062] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./171/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./171/binderfs") = 0 [pid 5062] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./171/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./171/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./171/file0") = 0 [pid 5062] umount2("./171/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./171/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./171/cgroup") = 0 [pid 5062] umount2("./171/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./171/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./171/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./171") = 0 [pid 5062] mkdir("./172", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5243 attached [pid 5243] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 174 [pid 5243] <... set_robust_list resumed>) = 0 [pid 5243] chdir("./172") = 0 [pid 5243] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5243] setpgid(0, 0) = 0 [pid 5243] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5243] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5243] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5243] write(3, "1000", 4) = 4 [pid 5243] close(3) = 0 [pid 5243] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5243] memfd_create("syzkaller", 0) = 3 [pid 5243] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5243] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5243] munmap(0x7f9497c79000, 138412032) = 0 [pid 5243] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5243] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5243] close(3) = 0 [pid 5243] mkdir("./file0", 0777) = 0 [ 188.635951][ T5243] loop0: detected capacity change from 0 to 4096 [ 188.661155][ T5243] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5243] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5243] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5243] chdir("./file0") = 0 [pid 5243] ioctl(4, LOOP_CLR_FD) = 0 [ 188.693623][ T5243] ntfs: volume version 3.1. [pid 5243] close(4) = 0 [pid 5243] creat("./file2", 000) = 4 [pid 5243] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5243] creat("./file2", 000) = 5 [pid 5243] close(3) = 0 [pid 5243] close(4) = 0 [pid 5243] close(5) = 0 [pid 5243] close(6) = -1 EBADF (Bad file descriptor) [pid 5243] close(7) = -1 EBADF (Bad file descriptor) [pid 5243] close(8) = -1 EBADF (Bad file descriptor) [pid 5243] close(9) = -1 EBADF (Bad file descriptor) [pid 5243] close(10) = -1 EBADF (Bad file descriptor) [pid 5243] close(11) = -1 EBADF (Bad file descriptor) [pid 5243] close(12) = -1 EBADF (Bad file descriptor) [pid 5243] close(13) = -1 EBADF (Bad file descriptor) [pid 5243] close(14) = -1 EBADF (Bad file descriptor) [pid 5243] close(15) = -1 EBADF (Bad file descriptor) [pid 5243] close(16) = -1 EBADF (Bad file descriptor) [pid 5243] close(17) = -1 EBADF (Bad file descriptor) [pid 5243] close(18) = -1 EBADF (Bad file descriptor) [pid 5243] close(19) = -1 EBADF (Bad file descriptor) [pid 5243] close(20) = -1 EBADF (Bad file descriptor) [pid 5243] close(21) = -1 EBADF (Bad file descriptor) [pid 5243] close(22) = -1 EBADF (Bad file descriptor) [pid 5243] close(23) = -1 EBADF (Bad file descriptor) [pid 5243] close(24) = -1 EBADF (Bad file descriptor) [pid 5243] close(25) = -1 EBADF (Bad file descriptor) [pid 5243] close(26) = -1 EBADF (Bad file descriptor) [pid 5243] close(27) = -1 EBADF (Bad file descriptor) [pid 5243] close(28) = -1 EBADF (Bad file descriptor) [pid 5243] close(29) = -1 EBADF (Bad file descriptor) [pid 5243] exit_group(0) = ? [pid 5243] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=174, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- [pid 5062] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./172/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./172/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./172/cgroup.cpu") = 0 [pid 5062] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./172/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./172/binderfs") = 0 [pid 5062] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./172/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./172/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./172/file0") = 0 [pid 5062] umount2("./172/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./172/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./172/cgroup") = 0 [pid 5062] umount2("./172/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./172/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./172/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./172") = 0 [pid 5062] mkdir("./173", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5244 attached [pid 5244] set_robust_list(0x555556e8b660, 24) = 0 [pid 5244] chdir("./173" [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 175 [pid 5244] <... chdir resumed>) = 0 [pid 5244] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5244] setpgid(0, 0) = 0 [pid 5244] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5244] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5244] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5244] write(3, "1000", 4) = 4 [pid 5244] close(3) = 0 [pid 5244] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5244] memfd_create("syzkaller", 0) = 3 [pid 5244] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5244] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5244] munmap(0x7f9497c79000, 138412032) = 0 [pid 5244] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5244] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5244] close(3) = 0 [pid 5244] mkdir("./file0", 0777) = 0 [ 189.334280][ T5244] loop0: detected capacity change from 0 to 4096 [ 189.360992][ T5244] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5244] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5244] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5244] chdir("./file0") = 0 [ 189.394340][ T5244] ntfs: volume version 3.1. [pid 5244] ioctl(4, LOOP_CLR_FD) = 0 [pid 5244] close(4) = 0 [pid 5244] creat("./file2", 000) = 4 [pid 5244] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5244] creat("./file2", 000) = 5 [pid 5244] close(3) = 0 [pid 5244] close(4) = 0 [pid 5244] close(5) = 0 [pid 5244] close(6) = -1 EBADF (Bad file descriptor) [pid 5244] close(7) = -1 EBADF (Bad file descriptor) [pid 5244] close(8) = -1 EBADF (Bad file descriptor) [pid 5244] close(9) = -1 EBADF (Bad file descriptor) [pid 5244] close(10) = -1 EBADF (Bad file descriptor) [pid 5244] close(11) = -1 EBADF (Bad file descriptor) [pid 5244] close(12) = -1 EBADF (Bad file descriptor) [pid 5244] close(13) = -1 EBADF (Bad file descriptor) [pid 5244] close(14) = -1 EBADF (Bad file descriptor) [pid 5244] close(15) = -1 EBADF (Bad file descriptor) [pid 5244] close(16) = -1 EBADF (Bad file descriptor) [pid 5244] close(17) = -1 EBADF (Bad file descriptor) [pid 5244] close(18) = -1 EBADF (Bad file descriptor) [pid 5244] close(19) = -1 EBADF (Bad file descriptor) [pid 5244] close(20) = -1 EBADF (Bad file descriptor) [pid 5244] close(21) = -1 EBADF (Bad file descriptor) [pid 5244] close(22) = -1 EBADF (Bad file descriptor) [pid 5244] close(23) = -1 EBADF (Bad file descriptor) [pid 5244] close(24) = -1 EBADF (Bad file descriptor) [pid 5244] close(25) = -1 EBADF (Bad file descriptor) [pid 5244] close(26) = -1 EBADF (Bad file descriptor) [pid 5244] close(27) = -1 EBADF (Bad file descriptor) [pid 5244] close(28) = -1 EBADF (Bad file descriptor) [pid 5244] close(29) = -1 EBADF (Bad file descriptor) [pid 5244] exit_group(0) = ? [pid 5244] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=175, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- [pid 5062] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./173/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./173/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./173/cgroup.cpu") = 0 [pid 5062] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./173/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./173/binderfs") = 0 [pid 5062] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./173/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./173/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./173/file0") = 0 [pid 5062] umount2("./173/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./173/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./173/cgroup") = 0 [pid 5062] umount2("./173/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./173/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./173/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./173") = 0 [pid 5062] mkdir("./174", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5245 attached [pid 5245] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 176 [pid 5245] <... set_robust_list resumed>) = 0 [pid 5245] chdir("./174") = 0 [pid 5245] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5245] setpgid(0, 0) = 0 [pid 5245] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5245] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5245] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5245] write(3, "1000", 4) = 4 [pid 5245] close(3) = 0 [pid 5245] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5245] memfd_create("syzkaller", 0) = 3 [pid 5245] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5245] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5245] munmap(0x7f9497c79000, 138412032) = 0 [pid 5245] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5245] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5245] close(3) = 0 [pid 5245] mkdir("./file0", 0777) = 0 [ 189.948615][ T5245] loop0: detected capacity change from 0 to 4096 [ 189.972875][ T5245] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5245] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5245] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5245] chdir("./file0") = 0 [pid 5245] ioctl(4, LOOP_CLR_FD) = 0 [ 190.008439][ T5245] ntfs: volume version 3.1. [pid 5245] close(4) = 0 [pid 5245] creat("./file2", 000) = 4 [pid 5245] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5245] creat("./file2", 000) = 5 [pid 5245] close(3) = 0 [pid 5245] close(4) = 0 [pid 5245] close(5) = 0 [pid 5245] close(6) = -1 EBADF (Bad file descriptor) [pid 5245] close(7) = -1 EBADF (Bad file descriptor) [pid 5245] close(8) = -1 EBADF (Bad file descriptor) [pid 5245] close(9) = -1 EBADF (Bad file descriptor) [pid 5245] close(10) = -1 EBADF (Bad file descriptor) [pid 5245] close(11) = -1 EBADF (Bad file descriptor) [pid 5245] close(12) = -1 EBADF (Bad file descriptor) [pid 5245] close(13) = -1 EBADF (Bad file descriptor) [pid 5245] close(14) = -1 EBADF (Bad file descriptor) [pid 5245] close(15) = -1 EBADF (Bad file descriptor) [pid 5245] close(16) = -1 EBADF (Bad file descriptor) [pid 5245] close(17) = -1 EBADF (Bad file descriptor) [pid 5245] close(18) = -1 EBADF (Bad file descriptor) [pid 5245] close(19) = -1 EBADF (Bad file descriptor) [pid 5245] close(20) = -1 EBADF (Bad file descriptor) [pid 5245] close(21) = -1 EBADF (Bad file descriptor) [pid 5245] close(22) = -1 EBADF (Bad file descriptor) [pid 5245] close(23) = -1 EBADF (Bad file descriptor) [pid 5245] close(24) = -1 EBADF (Bad file descriptor) [pid 5245] close(25) = -1 EBADF (Bad file descriptor) [pid 5245] close(26) = -1 EBADF (Bad file descriptor) [pid 5245] close(27) = -1 EBADF (Bad file descriptor) [pid 5245] close(28) = -1 EBADF (Bad file descriptor) [pid 5245] close(29) = -1 EBADF (Bad file descriptor) [pid 5245] exit_group(0) = ? [pid 5245] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=176, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./174/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./174/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./174/cgroup.cpu") = 0 [pid 5062] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./174/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./174/binderfs") = 0 [pid 5062] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./174/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./174/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./174/file0") = 0 [pid 5062] umount2("./174/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./174/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./174/cgroup") = 0 [pid 5062] umount2("./174/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./174/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./174/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./174") = 0 [pid 5062] mkdir("./175", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5246 attached [pid 5246] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 177 [pid 5246] <... set_robust_list resumed>) = 0 [pid 5246] chdir("./175") = 0 [pid 5246] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5246] setpgid(0, 0) = 0 [pid 5246] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5246] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5246] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5246] write(3, "1000", 4) = 4 [pid 5246] close(3) = 0 [pid 5246] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5246] memfd_create("syzkaller", 0) = 3 [pid 5246] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5246] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5246] munmap(0x7f9497c79000, 138412032) = 0 [pid 5246] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5246] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5246] close(3) = 0 [pid 5246] mkdir("./file0", 0777) = 0 [ 190.684011][ T5246] loop0: detected capacity change from 0 to 4096 [ 190.709889][ T5246] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5246] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5246] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5246] chdir("./file0") = 0 [pid 5246] ioctl(4, LOOP_CLR_FD) = 0 [pid 5246] close(4) = 0 [ 190.741836][ T5246] ntfs: volume version 3.1. [pid 5246] creat("./file2", 000) = 4 [pid 5246] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5246] creat("./file2", 000) = 5 [pid 5246] close(3) = 0 [pid 5246] close(4) = 0 [pid 5246] close(5) = 0 [pid 5246] close(6) = -1 EBADF (Bad file descriptor) [pid 5246] close(7) = -1 EBADF (Bad file descriptor) [pid 5246] close(8) = -1 EBADF (Bad file descriptor) [pid 5246] close(9) = -1 EBADF (Bad file descriptor) [pid 5246] close(10) = -1 EBADF (Bad file descriptor) [pid 5246] close(11) = -1 EBADF (Bad file descriptor) [pid 5246] close(12) = -1 EBADF (Bad file descriptor) [pid 5246] close(13) = -1 EBADF (Bad file descriptor) [pid 5246] close(14) = -1 EBADF (Bad file descriptor) [pid 5246] close(15) = -1 EBADF (Bad file descriptor) [pid 5246] close(16) = -1 EBADF (Bad file descriptor) [pid 5246] close(17) = -1 EBADF (Bad file descriptor) [pid 5246] close(18) = -1 EBADF (Bad file descriptor) [pid 5246] close(19) = -1 EBADF (Bad file descriptor) [pid 5246] close(20) = -1 EBADF (Bad file descriptor) [pid 5246] close(21) = -1 EBADF (Bad file descriptor) [pid 5246] close(22) = -1 EBADF (Bad file descriptor) [pid 5246] close(23) = -1 EBADF (Bad file descriptor) [pid 5246] close(24) = -1 EBADF (Bad file descriptor) [pid 5246] close(25) = -1 EBADF (Bad file descriptor) [pid 5246] close(26) = -1 EBADF (Bad file descriptor) [pid 5246] close(27) = -1 EBADF (Bad file descriptor) [pid 5246] close(28) = -1 EBADF (Bad file descriptor) [pid 5246] close(29) = -1 EBADF (Bad file descriptor) [pid 5246] exit_group(0) = ? [pid 5246] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=177, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./175/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./175/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./175/cgroup.cpu") = 0 [pid 5062] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./175/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./175/binderfs") = 0 [pid 5062] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./175/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./175/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./175/file0") = 0 [pid 5062] umount2("./175/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./175/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./175/cgroup") = 0 [pid 5062] umount2("./175/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./175/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./175/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./175") = 0 [pid 5062] mkdir("./176", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5247 attached [pid 5247] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 178 [pid 5247] <... set_robust_list resumed>) = 0 [pid 5247] chdir("./176") = 0 [pid 5247] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5247] setpgid(0, 0) = 0 [pid 5247] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5247] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5247] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5247] write(3, "1000", 4) = 4 [pid 5247] close(3) = 0 [pid 5247] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5247] memfd_create("syzkaller", 0) = 3 [pid 5247] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5247] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5247] munmap(0x7f9497c79000, 138412032) = 0 [pid 5247] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5247] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5247] close(3) = 0 [pid 5247] mkdir("./file0", 0777) = 0 [ 191.286309][ T5247] loop0: detected capacity change from 0 to 4096 [ 191.311284][ T5247] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5247] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5247] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5247] chdir("./file0") = 0 [pid 5247] ioctl(4, LOOP_CLR_FD) = 0 [pid 5247] close(4) = 0 [ 191.346128][ T5247] ntfs: volume version 3.1. [pid 5247] creat("./file2", 000) = 4 [pid 5247] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5247] creat("./file2", 000) = 5 [pid 5247] close(3) = 0 [pid 5247] close(4) = 0 [pid 5247] close(5) = 0 [pid 5247] close(6) = -1 EBADF (Bad file descriptor) [pid 5247] close(7) = -1 EBADF (Bad file descriptor) [pid 5247] close(8) = -1 EBADF (Bad file descriptor) [pid 5247] close(9) = -1 EBADF (Bad file descriptor) [pid 5247] close(10) = -1 EBADF (Bad file descriptor) [pid 5247] close(11) = -1 EBADF (Bad file descriptor) [pid 5247] close(12) = -1 EBADF (Bad file descriptor) [pid 5247] close(13) = -1 EBADF (Bad file descriptor) [pid 5247] close(14) = -1 EBADF (Bad file descriptor) [pid 5247] close(15) = -1 EBADF (Bad file descriptor) [pid 5247] close(16) = -1 EBADF (Bad file descriptor) [pid 5247] close(17) = -1 EBADF (Bad file descriptor) [pid 5247] close(18) = -1 EBADF (Bad file descriptor) [pid 5247] close(19) = -1 EBADF (Bad file descriptor) [pid 5247] close(20) = -1 EBADF (Bad file descriptor) [pid 5247] close(21) = -1 EBADF (Bad file descriptor) [pid 5247] close(22) = -1 EBADF (Bad file descriptor) [pid 5247] close(23) = -1 EBADF (Bad file descriptor) [pid 5247] close(24) = -1 EBADF (Bad file descriptor) [pid 5247] close(25) = -1 EBADF (Bad file descriptor) [pid 5247] close(26) = -1 EBADF (Bad file descriptor) [pid 5247] close(27) = -1 EBADF (Bad file descriptor) [pid 5247] close(28) = -1 EBADF (Bad file descriptor) [pid 5247] close(29) = -1 EBADF (Bad file descriptor) [pid 5247] exit_group(0) = ? [pid 5247] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=178, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./176/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./176/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./176/cgroup.cpu") = 0 [pid 5062] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./176/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./176/binderfs") = 0 [pid 5062] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./176/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./176/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./176/file0") = 0 [pid 5062] umount2("./176/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./176/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./176/cgroup") = 0 [pid 5062] umount2("./176/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./176/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./176/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./176") = 0 [pid 5062] mkdir("./177", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5248 attached [pid 5248] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 179 [pid 5248] <... set_robust_list resumed>) = 0 [pid 5248] chdir("./177") = 0 [pid 5248] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5248] setpgid(0, 0) = 0 [pid 5248] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5248] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5248] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5248] write(3, "1000", 4) = 4 [pid 5248] close(3) = 0 [pid 5248] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5248] memfd_create("syzkaller", 0) = 3 [pid 5248] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5248] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5248] munmap(0x7f9497c79000, 138412032) = 0 [pid 5248] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5248] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5248] close(3) = 0 [pid 5248] mkdir("./file0", 0777) = 0 [ 191.866962][ T5248] loop0: detected capacity change from 0 to 4096 [ 191.880927][ T5248] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5248] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5248] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5248] chdir("./file0") = 0 [pid 5248] ioctl(4, LOOP_CLR_FD) = 0 [ 191.915491][ T5248] ntfs: volume version 3.1. [pid 5248] close(4) = 0 [pid 5248] creat("./file2", 000) = 4 [pid 5248] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5248] creat("./file2", 000) = 5 [pid 5248] close(3) = 0 [pid 5248] close(4) = 0 [pid 5248] close(5) = 0 [pid 5248] close(6) = -1 EBADF (Bad file descriptor) [pid 5248] close(7) = -1 EBADF (Bad file descriptor) [pid 5248] close(8) = -1 EBADF (Bad file descriptor) [pid 5248] close(9) = -1 EBADF (Bad file descriptor) [pid 5248] close(10) = -1 EBADF (Bad file descriptor) [pid 5248] close(11) = -1 EBADF (Bad file descriptor) [pid 5248] close(12) = -1 EBADF (Bad file descriptor) [pid 5248] close(13) = -1 EBADF (Bad file descriptor) [pid 5248] close(14) = -1 EBADF (Bad file descriptor) [pid 5248] close(15) = -1 EBADF (Bad file descriptor) [pid 5248] close(16) = -1 EBADF (Bad file descriptor) [pid 5248] close(17) = -1 EBADF (Bad file descriptor) [pid 5248] close(18) = -1 EBADF (Bad file descriptor) [pid 5248] close(19) = -1 EBADF (Bad file descriptor) [pid 5248] close(20) = -1 EBADF (Bad file descriptor) [pid 5248] close(21) = -1 EBADF (Bad file descriptor) [pid 5248] close(22) = -1 EBADF (Bad file descriptor) [pid 5248] close(23) = -1 EBADF (Bad file descriptor) [pid 5248] close(24) = -1 EBADF (Bad file descriptor) [pid 5248] close(25) = -1 EBADF (Bad file descriptor) [pid 5248] close(26) = -1 EBADF (Bad file descriptor) [pid 5248] close(27) = -1 EBADF (Bad file descriptor) [pid 5248] close(28) = -1 EBADF (Bad file descriptor) [pid 5248] close(29) = -1 EBADF (Bad file descriptor) [pid 5248] exit_group(0) = ? [pid 5248] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=179, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./177/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./177/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./177/cgroup.cpu") = 0 [pid 5062] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./177/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./177/binderfs") = 0 [pid 5062] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./177/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./177/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./177/file0") = 0 [pid 5062] umount2("./177/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./177/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./177/cgroup") = 0 [pid 5062] umount2("./177/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./177/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./177/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./177") = 0 [pid 5062] mkdir("./178", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5249 attached , child_tidptr=0x555556e8b650) = 180 [pid 5249] set_robust_list(0x555556e8b660, 24) = 0 [pid 5249] chdir("./178") = 0 [pid 5249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5249] setpgid(0, 0) = 0 [pid 5249] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5249] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5249] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5249] write(3, "1000", 4) = 4 [pid 5249] close(3) = 0 [pid 5249] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5249] memfd_create("syzkaller", 0) = 3 [pid 5249] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5249] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5249] munmap(0x7f9497c79000, 138412032) = 0 [pid 5249] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5249] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5249] close(3) = 0 [pid 5249] mkdir("./file0", 0777) = 0 [ 192.501296][ T5249] loop0: detected capacity change from 0 to 4096 [ 192.519870][ T5249] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5249] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5249] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5249] chdir("./file0") = 0 [pid 5249] ioctl(4, LOOP_CLR_FD) = 0 [ 192.555741][ T5249] ntfs: volume version 3.1. [pid 5249] close(4) = 0 [pid 5249] creat("./file2", 000) = 4 [pid 5249] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5249] creat("./file2", 000) = 5 [pid 5249] close(3) = 0 [pid 5249] close(4) = 0 [pid 5249] close(5) = 0 [pid 5249] close(6) = -1 EBADF (Bad file descriptor) [pid 5249] close(7) = -1 EBADF (Bad file descriptor) [pid 5249] close(8) = -1 EBADF (Bad file descriptor) [pid 5249] close(9) = -1 EBADF (Bad file descriptor) [pid 5249] close(10) = -1 EBADF (Bad file descriptor) [pid 5249] close(11) = -1 EBADF (Bad file descriptor) [pid 5249] close(12) = -1 EBADF (Bad file descriptor) [pid 5249] close(13) = -1 EBADF (Bad file descriptor) [pid 5249] close(14) = -1 EBADF (Bad file descriptor) [pid 5249] close(15) = -1 EBADF (Bad file descriptor) [pid 5249] close(16) = -1 EBADF (Bad file descriptor) [pid 5249] close(17) = -1 EBADF (Bad file descriptor) [pid 5249] close(18) = -1 EBADF (Bad file descriptor) [pid 5249] close(19) = -1 EBADF (Bad file descriptor) [pid 5249] close(20) = -1 EBADF (Bad file descriptor) [pid 5249] close(21) = -1 EBADF (Bad file descriptor) [pid 5249] close(22) = -1 EBADF (Bad file descriptor) [pid 5249] close(23) = -1 EBADF (Bad file descriptor) [pid 5249] close(24) = -1 EBADF (Bad file descriptor) [pid 5249] close(25) = -1 EBADF (Bad file descriptor) [pid 5249] close(26) = -1 EBADF (Bad file descriptor) [pid 5249] close(27) = -1 EBADF (Bad file descriptor) [pid 5249] close(28) = -1 EBADF (Bad file descriptor) [pid 5249] close(29) = -1 EBADF (Bad file descriptor) [pid 5249] exit_group(0) = ? [pid 5249] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=180, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./178/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./178/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./178/cgroup.cpu") = 0 [pid 5062] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./178/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./178/binderfs") = 0 [pid 5062] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./178/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./178/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./178/file0") = 0 [pid 5062] umount2("./178/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./178/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./178/cgroup") = 0 [pid 5062] umount2("./178/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./178/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./178/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./178") = 0 [pid 5062] mkdir("./179", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5250 attached [pid 5250] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 181 [pid 5250] <... set_robust_list resumed>) = 0 [pid 5250] chdir("./179") = 0 [pid 5250] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5250] setpgid(0, 0) = 0 [pid 5250] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5250] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5250] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5250] write(3, "1000", 4) = 4 [pid 5250] close(3) = 0 [pid 5250] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5250] memfd_create("syzkaller", 0) = 3 [pid 5250] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5250] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5250] munmap(0x7f9497c79000, 138412032) = 0 [pid 5250] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5250] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5250] close(3) = 0 [pid 5250] mkdir("./file0", 0777) = 0 [ 193.210397][ T5250] loop0: detected capacity change from 0 to 4096 [ 193.228936][ T5250] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5250] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5250] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5250] chdir("./file0") = 0 [pid 5250] ioctl(4, LOOP_CLR_FD) = 0 [ 193.264521][ T5250] ntfs: volume version 3.1. [pid 5250] close(4) = 0 [pid 5250] creat("./file2", 000) = 4 [pid 5250] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5250] creat("./file2", 000) = 5 [pid 5250] close(3) = 0 [pid 5250] close(4) = 0 [pid 5250] close(5) = 0 [pid 5250] close(6) = -1 EBADF (Bad file descriptor) [pid 5250] close(7) = -1 EBADF (Bad file descriptor) [pid 5250] close(8) = -1 EBADF (Bad file descriptor) [pid 5250] close(9) = -1 EBADF (Bad file descriptor) [pid 5250] close(10) = -1 EBADF (Bad file descriptor) [pid 5250] close(11) = -1 EBADF (Bad file descriptor) [pid 5250] close(12) = -1 EBADF (Bad file descriptor) [pid 5250] close(13) = -1 EBADF (Bad file descriptor) [pid 5250] close(14) = -1 EBADF (Bad file descriptor) [pid 5250] close(15) = -1 EBADF (Bad file descriptor) [pid 5250] close(16) = -1 EBADF (Bad file descriptor) [pid 5250] close(17) = -1 EBADF (Bad file descriptor) [pid 5250] close(18) = -1 EBADF (Bad file descriptor) [pid 5250] close(19) = -1 EBADF (Bad file descriptor) [pid 5250] close(20) = -1 EBADF (Bad file descriptor) [pid 5250] close(21) = -1 EBADF (Bad file descriptor) [pid 5250] close(22) = -1 EBADF (Bad file descriptor) [pid 5250] close(23) = -1 EBADF (Bad file descriptor) [pid 5250] close(24) = -1 EBADF (Bad file descriptor) [pid 5250] close(25) = -1 EBADF (Bad file descriptor) [pid 5250] close(26) = -1 EBADF (Bad file descriptor) [pid 5250] close(27) = -1 EBADF (Bad file descriptor) [pid 5250] close(28) = -1 EBADF (Bad file descriptor) [pid 5250] close(29) = -1 EBADF (Bad file descriptor) [pid 5250] exit_group(0) = ? [pid 5250] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=181, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5062] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./179/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./179/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./179/cgroup.cpu") = 0 [pid 5062] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./179/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./179/binderfs") = 0 [pid 5062] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./179/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./179/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./179/file0") = 0 [pid 5062] umount2("./179/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./179/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./179/cgroup") = 0 [pid 5062] umount2("./179/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./179/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./179/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./179") = 0 [pid 5062] mkdir("./180", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5251 attached , child_tidptr=0x555556e8b650) = 182 [pid 5251] set_robust_list(0x555556e8b660, 24) = 0 [pid 5251] chdir("./180") = 0 [pid 5251] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5251] setpgid(0, 0) = 0 [pid 5251] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5251] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5251] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5251] write(3, "1000", 4) = 4 [pid 5251] close(3) = 0 [pid 5251] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5251] memfd_create("syzkaller", 0) = 3 [pid 5251] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5251] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5251] munmap(0x7f9497c79000, 138412032) = 0 [pid 5251] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5251] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5251] close(3) = 0 [pid 5251] mkdir("./file0", 0777) = 0 [ 193.833084][ T5251] loop0: detected capacity change from 0 to 4096 [ 193.857910][ T5251] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5251] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5251] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5251] chdir("./file0") = 0 [pid 5251] ioctl(4, LOOP_CLR_FD) = 0 [pid 5251] close(4) = 0 [ 193.889876][ T5251] ntfs: volume version 3.1. [pid 5251] creat("./file2", 000) = 4 [pid 5251] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5251] creat("./file2", 000) = 5 [pid 5251] close(3) = 0 [pid 5251] close(4) = 0 [pid 5251] close(5) = 0 [pid 5251] close(6) = -1 EBADF (Bad file descriptor) [pid 5251] close(7) = -1 EBADF (Bad file descriptor) [pid 5251] close(8) = -1 EBADF (Bad file descriptor) [pid 5251] close(9) = -1 EBADF (Bad file descriptor) [pid 5251] close(10) = -1 EBADF (Bad file descriptor) [pid 5251] close(11) = -1 EBADF (Bad file descriptor) [pid 5251] close(12) = -1 EBADF (Bad file descriptor) [pid 5251] close(13) = -1 EBADF (Bad file descriptor) [pid 5251] close(14) = -1 EBADF (Bad file descriptor) [pid 5251] close(15) = -1 EBADF (Bad file descriptor) [pid 5251] close(16) = -1 EBADF (Bad file descriptor) [pid 5251] close(17) = -1 EBADF (Bad file descriptor) [pid 5251] close(18) = -1 EBADF (Bad file descriptor) [pid 5251] close(19) = -1 EBADF (Bad file descriptor) [pid 5251] close(20) = -1 EBADF (Bad file descriptor) [pid 5251] close(21) = -1 EBADF (Bad file descriptor) [pid 5251] close(22) = -1 EBADF (Bad file descriptor) [pid 5251] close(23) = -1 EBADF (Bad file descriptor) [pid 5251] close(24) = -1 EBADF (Bad file descriptor) [pid 5251] close(25) = -1 EBADF (Bad file descriptor) [pid 5251] close(26) = -1 EBADF (Bad file descriptor) [pid 5251] close(27) = -1 EBADF (Bad file descriptor) [pid 5251] close(28) = -1 EBADF (Bad file descriptor) [pid 5251] close(29) = -1 EBADF (Bad file descriptor) [pid 5251] exit_group(0) = ? [pid 5251] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=182, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5062] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./180/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./180/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./180/cgroup.cpu") = 0 [pid 5062] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./180/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./180/binderfs") = 0 [pid 5062] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./180/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./180/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./180/file0") = 0 [pid 5062] umount2("./180/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./180/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./180/cgroup") = 0 [pid 5062] umount2("./180/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./180/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./180/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./180") = 0 [pid 5062] mkdir("./181", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5252 attached [pid 5252] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 183 [pid 5252] <... set_robust_list resumed>) = 0 [pid 5252] chdir("./181") = 0 [pid 5252] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5252] setpgid(0, 0) = 0 [pid 5252] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5252] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5252] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5252] write(3, "1000", 4) = 4 [pid 5252] close(3) = 0 [pid 5252] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5252] memfd_create("syzkaller", 0) = 3 [pid 5252] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5252] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5252] munmap(0x7f9497c79000, 138412032) = 0 [pid 5252] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5252] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5252] close(3) = 0 [pid 5252] mkdir("./file0", 0777) = 0 [ 194.464570][ T5252] loop0: detected capacity change from 0 to 4096 [ 194.478909][ T5252] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5252] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5252] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5252] chdir("./file0") = 0 [pid 5252] ioctl(4, LOOP_CLR_FD) = 0 [pid 5252] close(4) = 0 [pid 5252] creat("./file2", 000) = 4 [ 194.515279][ T5252] ntfs: volume version 3.1. [pid 5252] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5252] creat("./file2", 000) = 5 [pid 5252] close(3) = 0 [pid 5252] close(4) = 0 [pid 5252] close(5) = 0 [pid 5252] close(6) = -1 EBADF (Bad file descriptor) [pid 5252] close(7) = -1 EBADF (Bad file descriptor) [pid 5252] close(8) = -1 EBADF (Bad file descriptor) [pid 5252] close(9) = -1 EBADF (Bad file descriptor) [pid 5252] close(10) = -1 EBADF (Bad file descriptor) [pid 5252] close(11) = -1 EBADF (Bad file descriptor) [pid 5252] close(12) = -1 EBADF (Bad file descriptor) [pid 5252] close(13) = -1 EBADF (Bad file descriptor) [pid 5252] close(14) = -1 EBADF (Bad file descriptor) [pid 5252] close(15) = -1 EBADF (Bad file descriptor) [pid 5252] close(16) = -1 EBADF (Bad file descriptor) [pid 5252] close(17) = -1 EBADF (Bad file descriptor) [pid 5252] close(18) = -1 EBADF (Bad file descriptor) [pid 5252] close(19) = -1 EBADF (Bad file descriptor) [pid 5252] close(20) = -1 EBADF (Bad file descriptor) [pid 5252] close(21) = -1 EBADF (Bad file descriptor) [pid 5252] close(22) = -1 EBADF (Bad file descriptor) [pid 5252] close(23) = -1 EBADF (Bad file descriptor) [pid 5252] close(24) = -1 EBADF (Bad file descriptor) [pid 5252] close(25) = -1 EBADF (Bad file descriptor) [pid 5252] close(26) = -1 EBADF (Bad file descriptor) [pid 5252] close(27) = -1 EBADF (Bad file descriptor) [pid 5252] close(28) = -1 EBADF (Bad file descriptor) [pid 5252] close(29) = -1 EBADF (Bad file descriptor) [pid 5252] exit_group(0) = ? [pid 5252] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=183, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./181/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./181/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./181/cgroup.cpu") = 0 [pid 5062] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./181/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./181/binderfs") = 0 [pid 5062] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./181/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./181/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./181/file0") = 0 [pid 5062] umount2("./181/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./181/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./181/cgroup") = 0 [pid 5062] umount2("./181/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./181/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./181/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./181") = 0 [pid 5062] mkdir("./182", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5253 attached , child_tidptr=0x555556e8b650) = 184 [pid 5253] set_robust_list(0x555556e8b660, 24) = 0 [pid 5253] chdir("./182") = 0 [pid 5253] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5253] setpgid(0, 0) = 0 [pid 5253] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5253] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5253] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5253] write(3, "1000", 4) = 4 [pid 5253] close(3) = 0 [pid 5253] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5253] memfd_create("syzkaller", 0) = 3 [pid 5253] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5253] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5253] munmap(0x7f9497c79000, 138412032) = 0 [pid 5253] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5253] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5253] close(3) = 0 [pid 5253] mkdir("./file0", 0777) = 0 [ 195.040145][ T5253] loop0: detected capacity change from 0 to 4096 [ 195.056827][ T5253] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5253] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5253] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5253] chdir("./file0") = 0 [pid 5253] ioctl(4, LOOP_CLR_FD) = 0 [ 195.090182][ T5253] ntfs: volume version 3.1. [pid 5253] close(4) = 0 [pid 5253] creat("./file2", 000) = 4 [pid 5253] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5253] creat("./file2", 000) = 5 [pid 5253] close(3) = 0 [pid 5253] close(4) = 0 [pid 5253] close(5) = 0 [pid 5253] close(6) = -1 EBADF (Bad file descriptor) [pid 5253] close(7) = -1 EBADF (Bad file descriptor) [pid 5253] close(8) = -1 EBADF (Bad file descriptor) [pid 5253] close(9) = -1 EBADF (Bad file descriptor) [pid 5253] close(10) = -1 EBADF (Bad file descriptor) [pid 5253] close(11) = -1 EBADF (Bad file descriptor) [pid 5253] close(12) = -1 EBADF (Bad file descriptor) [pid 5253] close(13) = -1 EBADF (Bad file descriptor) [pid 5253] close(14) = -1 EBADF (Bad file descriptor) [pid 5253] close(15) = -1 EBADF (Bad file descriptor) [pid 5253] close(16) = -1 EBADF (Bad file descriptor) [pid 5253] close(17) = -1 EBADF (Bad file descriptor) [pid 5253] close(18) = -1 EBADF (Bad file descriptor) [pid 5253] close(19) = -1 EBADF (Bad file descriptor) [pid 5253] close(20) = -1 EBADF (Bad file descriptor) [pid 5253] close(21) = -1 EBADF (Bad file descriptor) [pid 5253] close(22) = -1 EBADF (Bad file descriptor) [pid 5253] close(23) = -1 EBADF (Bad file descriptor) [pid 5253] close(24) = -1 EBADF (Bad file descriptor) [pid 5253] close(25) = -1 EBADF (Bad file descriptor) [pid 5253] close(26) = -1 EBADF (Bad file descriptor) [pid 5253] close(27) = -1 EBADF (Bad file descriptor) [pid 5253] close(28) = -1 EBADF (Bad file descriptor) [pid 5253] close(29) = -1 EBADF (Bad file descriptor) [pid 5253] exit_group(0) = ? [pid 5253] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=184, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./182/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./182/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./182/cgroup.cpu") = 0 [pid 5062] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./182/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./182/binderfs") = 0 [pid 5062] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./182/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./182/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./182/file0") = 0 [pid 5062] umount2("./182/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./182/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./182/cgroup") = 0 [pid 5062] umount2("./182/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./182/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./182/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./182") = 0 [pid 5062] mkdir("./183", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5254 attached [pid 5254] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 185 [pid 5254] <... set_robust_list resumed>) = 0 [pid 5254] chdir("./183") = 0 [pid 5254] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5254] setpgid(0, 0) = 0 [pid 5254] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5254] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5254] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5254] write(3, "1000", 4) = 4 [pid 5254] close(3) = 0 [pid 5254] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5254] memfd_create("syzkaller", 0) = 3 [pid 5254] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5254] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5254] munmap(0x7f9497c79000, 138412032) = 0 [pid 5254] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5254] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5254] close(3) = 0 [pid 5254] mkdir("./file0", 0777) = 0 [ 195.597178][ T5254] loop0: detected capacity change from 0 to 4096 [ 195.622488][ T5254] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5254] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5254] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5254] chdir("./file0") = 0 [pid 5254] ioctl(4, LOOP_CLR_FD) = 0 [pid 5254] close(4) = 0 [ 195.658523][ T5254] ntfs: volume version 3.1. [pid 5254] creat("./file2", 000) = 4 [pid 5254] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5254] creat("./file2", 000) = 5 [pid 5254] close(3) = 0 [pid 5254] close(4) = 0 [pid 5254] close(5) = 0 [pid 5254] close(6) = -1 EBADF (Bad file descriptor) [pid 5254] close(7) = -1 EBADF (Bad file descriptor) [pid 5254] close(8) = -1 EBADF (Bad file descriptor) [pid 5254] close(9) = -1 EBADF (Bad file descriptor) [pid 5254] close(10) = -1 EBADF (Bad file descriptor) [pid 5254] close(11) = -1 EBADF (Bad file descriptor) [pid 5254] close(12) = -1 EBADF (Bad file descriptor) [pid 5254] close(13) = -1 EBADF (Bad file descriptor) [pid 5254] close(14) = -1 EBADF (Bad file descriptor) [pid 5254] close(15) = -1 EBADF (Bad file descriptor) [pid 5254] close(16) = -1 EBADF (Bad file descriptor) [pid 5254] close(17) = -1 EBADF (Bad file descriptor) [pid 5254] close(18) = -1 EBADF (Bad file descriptor) [pid 5254] close(19) = -1 EBADF (Bad file descriptor) [pid 5254] close(20) = -1 EBADF (Bad file descriptor) [pid 5254] close(21) = -1 EBADF (Bad file descriptor) [pid 5254] close(22) = -1 EBADF (Bad file descriptor) [pid 5254] close(23) = -1 EBADF (Bad file descriptor) [pid 5254] close(24) = -1 EBADF (Bad file descriptor) [pid 5254] close(25) = -1 EBADF (Bad file descriptor) [pid 5254] close(26) = -1 EBADF (Bad file descriptor) [pid 5254] close(27) = -1 EBADF (Bad file descriptor) [pid 5254] close(28) = -1 EBADF (Bad file descriptor) [pid 5254] close(29) = -1 EBADF (Bad file descriptor) [pid 5254] exit_group(0) = ? [pid 5254] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=185, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./183/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./183/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./183/cgroup.cpu") = 0 [pid 5062] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./183/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./183/binderfs") = 0 [pid 5062] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./183/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./183/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./183/file0") = 0 [pid 5062] umount2("./183/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./183/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./183/cgroup") = 0 [pid 5062] umount2("./183/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./183/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./183/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./183") = 0 [pid 5062] mkdir("./184", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5255 attached [pid 5255] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 186 [pid 5255] <... set_robust_list resumed>) = 0 [pid 5255] chdir("./184") = 0 [pid 5255] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5255] setpgid(0, 0) = 0 [pid 5255] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5255] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5255] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5255] write(3, "1000", 4) = 4 [pid 5255] close(3) = 0 [pid 5255] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5255] memfd_create("syzkaller", 0) = 3 [pid 5255] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5255] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5255] munmap(0x7f9497c79000, 138412032) = 0 [pid 5255] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5255] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5255] close(3) = 0 [pid 5255] mkdir("./file0", 0777) = 0 [ 196.242687][ T5255] loop0: detected capacity change from 0 to 4096 [ 196.256699][ T5255] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5255] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5255] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5255] chdir("./file0") = 0 [pid 5255] ioctl(4, LOOP_CLR_FD) = 0 [pid 5255] close(4) = 0 [ 196.291711][ T5255] ntfs: volume version 3.1. [pid 5255] creat("./file2", 000) = 4 [pid 5255] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5255] creat("./file2", 000) = 5 [pid 5255] close(3) = 0 [pid 5255] close(4) = 0 [pid 5255] close(5) = 0 [pid 5255] close(6) = -1 EBADF (Bad file descriptor) [pid 5255] close(7) = -1 EBADF (Bad file descriptor) [pid 5255] close(8) = -1 EBADF (Bad file descriptor) [pid 5255] close(9) = -1 EBADF (Bad file descriptor) [pid 5255] close(10) = -1 EBADF (Bad file descriptor) [pid 5255] close(11) = -1 EBADF (Bad file descriptor) [pid 5255] close(12) = -1 EBADF (Bad file descriptor) [pid 5255] close(13) = -1 EBADF (Bad file descriptor) [pid 5255] close(14) = -1 EBADF (Bad file descriptor) [pid 5255] close(15) = -1 EBADF (Bad file descriptor) [pid 5255] close(16) = -1 EBADF (Bad file descriptor) [pid 5255] close(17) = -1 EBADF (Bad file descriptor) [pid 5255] close(18) = -1 EBADF (Bad file descriptor) [pid 5255] close(19) = -1 EBADF (Bad file descriptor) [pid 5255] close(20) = -1 EBADF (Bad file descriptor) [pid 5255] close(21) = -1 EBADF (Bad file descriptor) [pid 5255] close(22) = -1 EBADF (Bad file descriptor) [pid 5255] close(23) = -1 EBADF (Bad file descriptor) [pid 5255] close(24) = -1 EBADF (Bad file descriptor) [pid 5255] close(25) = -1 EBADF (Bad file descriptor) [pid 5255] close(26) = -1 EBADF (Bad file descriptor) [pid 5255] close(27) = -1 EBADF (Bad file descriptor) [pid 5255] close(28) = -1 EBADF (Bad file descriptor) [pid 5255] close(29) = -1 EBADF (Bad file descriptor) [pid 5255] exit_group(0) = ? [pid 5255] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=186, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./184/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./184/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./184/cgroup.cpu") = 0 [pid 5062] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./184/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./184/binderfs") = 0 [pid 5062] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./184/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./184/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./184/file0") = 0 [pid 5062] umount2("./184/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./184/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./184/cgroup") = 0 [pid 5062] umount2("./184/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./184/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./184/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./184") = 0 [pid 5062] mkdir("./185", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5256 attached , child_tidptr=0x555556e8b650) = 187 [pid 5256] set_robust_list(0x555556e8b660, 24) = 0 [pid 5256] chdir("./185") = 0 [pid 5256] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5256] setpgid(0, 0) = 0 [pid 5256] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5256] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5256] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5256] write(3, "1000", 4) = 4 [pid 5256] close(3) = 0 [pid 5256] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5256] memfd_create("syzkaller", 0) = 3 [pid 5256] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5256] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5256] munmap(0x7f9497c79000, 138412032) = 0 [pid 5256] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5256] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5256] close(3) = 0 [pid 5256] mkdir("./file0", 0777) = 0 [ 196.890305][ T5256] loop0: detected capacity change from 0 to 4096 [ 196.904457][ T5256] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5256] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5256] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5256] chdir("./file0") = 0 [pid 5256] ioctl(4, LOOP_CLR_FD) = 0 [pid 5256] close(4) = 0 [pid 5256] creat("./file2", 000) = 4 [ 196.939714][ T5256] ntfs: volume version 3.1. [pid 5256] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5256] creat("./file2", 000) = 5 [pid 5256] close(3) = 0 [pid 5256] close(4) = 0 [pid 5256] close(5) = 0 [pid 5256] close(6) = -1 EBADF (Bad file descriptor) [pid 5256] close(7) = -1 EBADF (Bad file descriptor) [pid 5256] close(8) = -1 EBADF (Bad file descriptor) [pid 5256] close(9) = -1 EBADF (Bad file descriptor) [pid 5256] close(10) = -1 EBADF (Bad file descriptor) [pid 5256] close(11) = -1 EBADF (Bad file descriptor) [pid 5256] close(12) = -1 EBADF (Bad file descriptor) [pid 5256] close(13) = -1 EBADF (Bad file descriptor) [pid 5256] close(14) = -1 EBADF (Bad file descriptor) [pid 5256] close(15) = -1 EBADF (Bad file descriptor) [pid 5256] close(16) = -1 EBADF (Bad file descriptor) [pid 5256] close(17) = -1 EBADF (Bad file descriptor) [pid 5256] close(18) = -1 EBADF (Bad file descriptor) [pid 5256] close(19) = -1 EBADF (Bad file descriptor) [pid 5256] close(20) = -1 EBADF (Bad file descriptor) [pid 5256] close(21) = -1 EBADF (Bad file descriptor) [pid 5256] close(22) = -1 EBADF (Bad file descriptor) [pid 5256] close(23) = -1 EBADF (Bad file descriptor) [pid 5256] close(24) = -1 EBADF (Bad file descriptor) [pid 5256] close(25) = -1 EBADF (Bad file descriptor) [pid 5256] close(26) = -1 EBADF (Bad file descriptor) [pid 5256] close(27) = -1 EBADF (Bad file descriptor) [pid 5256] close(28) = -1 EBADF (Bad file descriptor) [pid 5256] close(29) = -1 EBADF (Bad file descriptor) [pid 5256] exit_group(0) = ? [pid 5256] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=187, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./185/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./185/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./185/cgroup.cpu") = 0 [pid 5062] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./185/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./185/binderfs") = 0 [pid 5062] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./185/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./185/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./185/file0") = 0 [pid 5062] umount2("./185/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./185/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./185/cgroup") = 0 [pid 5062] umount2("./185/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./185/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./185/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./185") = 0 [pid 5062] mkdir("./186", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5257 attached [pid 5257] set_robust_list(0x555556e8b660, 24) = 0 [pid 5257] chdir("./186") = 0 [pid 5257] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5257] setpgid(0, 0) = 0 [pid 5257] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 188 [pid 5257] <... symlink resumed>) = 0 [pid 5257] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5257] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5257] write(3, "1000", 4) = 4 [pid 5257] close(3) = 0 [pid 5257] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5257] memfd_create("syzkaller", 0) = 3 [pid 5257] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5257] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5257] munmap(0x7f9497c79000, 138412032) = 0 [pid 5257] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5257] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5257] close(3) = 0 [pid 5257] mkdir("./file0", 0777) = 0 [ 197.395281][ T5257] loop0: detected capacity change from 0 to 4096 [ 197.420838][ T5257] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5257] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5257] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5257] chdir("./file0") = 0 [pid 5257] ioctl(4, LOOP_CLR_FD) = 0 [pid 5257] close(4) = 0 [pid 5257] creat("./file2", 000) = 4 [ 197.452492][ T5257] ntfs: volume version 3.1. [pid 5257] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5257] creat("./file2", 000) = 5 [pid 5257] close(3) = 0 [pid 5257] close(4) = 0 [pid 5257] close(5) = 0 [pid 5257] close(6) = -1 EBADF (Bad file descriptor) [pid 5257] close(7) = -1 EBADF (Bad file descriptor) [pid 5257] close(8) = -1 EBADF (Bad file descriptor) [pid 5257] close(9) = -1 EBADF (Bad file descriptor) [pid 5257] close(10) = -1 EBADF (Bad file descriptor) [pid 5257] close(11) = -1 EBADF (Bad file descriptor) [pid 5257] close(12) = -1 EBADF (Bad file descriptor) [pid 5257] close(13) = -1 EBADF (Bad file descriptor) [pid 5257] close(14) = -1 EBADF (Bad file descriptor) [pid 5257] close(15) = -1 EBADF (Bad file descriptor) [pid 5257] close(16) = -1 EBADF (Bad file descriptor) [pid 5257] close(17) = -1 EBADF (Bad file descriptor) [pid 5257] close(18) = -1 EBADF (Bad file descriptor) [pid 5257] close(19) = -1 EBADF (Bad file descriptor) [pid 5257] close(20) = -1 EBADF (Bad file descriptor) [pid 5257] close(21) = -1 EBADF (Bad file descriptor) [pid 5257] close(22) = -1 EBADF (Bad file descriptor) [pid 5257] close(23) = -1 EBADF (Bad file descriptor) [pid 5257] close(24) = -1 EBADF (Bad file descriptor) [pid 5257] close(25) = -1 EBADF (Bad file descriptor) [pid 5257] close(26) = -1 EBADF (Bad file descriptor) [pid 5257] close(27) = -1 EBADF (Bad file descriptor) [pid 5257] close(28) = -1 EBADF (Bad file descriptor) [pid 5257] close(29) = -1 EBADF (Bad file descriptor) [pid 5257] exit_group(0) = ? [pid 5257] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=188, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./186/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./186/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./186/cgroup.cpu") = 0 [pid 5062] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./186/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./186/binderfs") = 0 [pid 5062] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./186/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./186/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./186/file0") = 0 [pid 5062] umount2("./186/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./186/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./186/cgroup") = 0 [pid 5062] umount2("./186/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./186/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./186/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./186") = 0 [pid 5062] mkdir("./187", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5258 attached [pid 5258] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 189 [pid 5258] <... set_robust_list resumed>) = 0 [pid 5258] chdir("./187") = 0 [pid 5258] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5258] setpgid(0, 0) = 0 [pid 5258] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5258] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5258] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5258] write(3, "1000", 4) = 4 [pid 5258] close(3) = 0 [pid 5258] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5258] memfd_create("syzkaller", 0) = 3 [pid 5258] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5258] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5258] munmap(0x7f9497c79000, 138412032) = 0 [pid 5258] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5258] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5258] close(3) = 0 [pid 5258] mkdir("./file0", 0777) = 0 [ 198.049234][ T5258] loop0: detected capacity change from 0 to 4096 [ 198.079021][ T5258] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5258] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5258] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5258] chdir("./file0") = 0 [pid 5258] ioctl(4, LOOP_CLR_FD) = 0 [ 198.111387][ T5258] ntfs: volume version 3.1. [pid 5258] close(4) = 0 [pid 5258] creat("./file2", 000) = 4 [pid 5258] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5258] creat("./file2", 000) = 5 [pid 5258] close(3) = 0 [pid 5258] close(4) = 0 [pid 5258] close(5) = 0 [pid 5258] close(6) = -1 EBADF (Bad file descriptor) [pid 5258] close(7) = -1 EBADF (Bad file descriptor) [pid 5258] close(8) = -1 EBADF (Bad file descriptor) [pid 5258] close(9) = -1 EBADF (Bad file descriptor) [pid 5258] close(10) = -1 EBADF (Bad file descriptor) [pid 5258] close(11) = -1 EBADF (Bad file descriptor) [pid 5258] close(12) = -1 EBADF (Bad file descriptor) [pid 5258] close(13) = -1 EBADF (Bad file descriptor) [pid 5258] close(14) = -1 EBADF (Bad file descriptor) [pid 5258] close(15) = -1 EBADF (Bad file descriptor) [pid 5258] close(16) = -1 EBADF (Bad file descriptor) [pid 5258] close(17) = -1 EBADF (Bad file descriptor) [pid 5258] close(18) = -1 EBADF (Bad file descriptor) [pid 5258] close(19) = -1 EBADF (Bad file descriptor) [pid 5258] close(20) = -1 EBADF (Bad file descriptor) [pid 5258] close(21) = -1 EBADF (Bad file descriptor) [pid 5258] close(22) = -1 EBADF (Bad file descriptor) [pid 5258] close(23) = -1 EBADF (Bad file descriptor) [pid 5258] close(24) = -1 EBADF (Bad file descriptor) [pid 5258] close(25) = -1 EBADF (Bad file descriptor) [pid 5258] close(26) = -1 EBADF (Bad file descriptor) [pid 5258] close(27) = -1 EBADF (Bad file descriptor) [pid 5258] close(28) = -1 EBADF (Bad file descriptor) [pid 5258] close(29) = -1 EBADF (Bad file descriptor) [pid 5258] exit_group(0) = ? [pid 5258] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=189, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./187/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./187/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./187/cgroup.cpu") = 0 [pid 5062] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./187/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./187/binderfs") = 0 [pid 5062] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./187/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./187/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./187/file0") = 0 [pid 5062] umount2("./187/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./187/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./187/cgroup") = 0 [pid 5062] umount2("./187/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./187/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./187/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./187") = 0 [pid 5062] mkdir("./188", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5259 attached [pid 5259] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 190 [pid 5259] <... set_robust_list resumed>) = 0 [pid 5259] chdir("./188") = 0 [pid 5259] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5259] setpgid(0, 0) = 0 [pid 5259] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5259] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5259] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5259] write(3, "1000", 4) = 4 [pid 5259] close(3) = 0 [pid 5259] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5259] memfd_create("syzkaller", 0) = 3 [pid 5259] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5259] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5259] munmap(0x7f9497c79000, 138412032) = 0 [pid 5259] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5259] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5259] close(3) = 0 [pid 5259] mkdir("./file0", 0777) = 0 [ 198.708035][ T5259] loop0: detected capacity change from 0 to 4096 [ 198.723261][ T5259] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5259] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5259] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5259] chdir("./file0") = 0 [pid 5259] ioctl(4, LOOP_CLR_FD) = 0 [ 198.757059][ T5259] ntfs: volume version 3.1. [pid 5259] close(4) = 0 [pid 5259] creat("./file2", 000) = 4 [pid 5259] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5259] creat("./file2", 000) = 5 [pid 5259] close(3) = 0 [pid 5259] close(4) = 0 [pid 5259] close(5) = 0 [pid 5259] close(6) = -1 EBADF (Bad file descriptor) [pid 5259] close(7) = -1 EBADF (Bad file descriptor) [pid 5259] close(8) = -1 EBADF (Bad file descriptor) [pid 5259] close(9) = -1 EBADF (Bad file descriptor) [pid 5259] close(10) = -1 EBADF (Bad file descriptor) [pid 5259] close(11) = -1 EBADF (Bad file descriptor) [pid 5259] close(12) = -1 EBADF (Bad file descriptor) [pid 5259] close(13) = -1 EBADF (Bad file descriptor) [pid 5259] close(14) = -1 EBADF (Bad file descriptor) [pid 5259] close(15) = -1 EBADF (Bad file descriptor) [pid 5259] close(16) = -1 EBADF (Bad file descriptor) [pid 5259] close(17) = -1 EBADF (Bad file descriptor) [pid 5259] close(18) = -1 EBADF (Bad file descriptor) [pid 5259] close(19) = -1 EBADF (Bad file descriptor) [pid 5259] close(20) = -1 EBADF (Bad file descriptor) [pid 5259] close(21) = -1 EBADF (Bad file descriptor) [pid 5259] close(22) = -1 EBADF (Bad file descriptor) [pid 5259] close(23) = -1 EBADF (Bad file descriptor) [pid 5259] close(24) = -1 EBADF (Bad file descriptor) [pid 5259] close(25) = -1 EBADF (Bad file descriptor) [pid 5259] close(26) = -1 EBADF (Bad file descriptor) [pid 5259] close(27) = -1 EBADF (Bad file descriptor) [pid 5259] close(28) = -1 EBADF (Bad file descriptor) [pid 5259] close(29) = -1 EBADF (Bad file descriptor) [pid 5259] exit_group(0) = ? [pid 5259] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=190, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./188/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./188/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./188/cgroup.cpu") = 0 [pid 5062] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./188/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./188/binderfs") = 0 [pid 5062] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./188/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./188/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./188/file0") = 0 [pid 5062] umount2("./188/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./188/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./188/cgroup") = 0 [pid 5062] umount2("./188/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./188/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./188/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./188") = 0 [pid 5062] mkdir("./189", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5260 attached , child_tidptr=0x555556e8b650) = 191 [pid 5260] set_robust_list(0x555556e8b660, 24) = 0 [pid 5260] chdir("./189") = 0 [pid 5260] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5260] setpgid(0, 0) = 0 [pid 5260] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5260] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5260] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5260] write(3, "1000", 4) = 4 [pid 5260] close(3) = 0 [pid 5260] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5260] memfd_create("syzkaller", 0) = 3 [pid 5260] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5260] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5260] munmap(0x7f9497c79000, 138412032) = 0 [pid 5260] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5260] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5260] close(3) = 0 [pid 5260] mkdir("./file0", 0777) = 0 [pid 5260] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5260] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5260] chdir("./file0") = 0 [pid 5260] ioctl(4, LOOP_CLR_FD) = 0 [pid 5260] close(4) = 0 [ 199.224857][ T5260] loop0: detected capacity change from 0 to 4096 [ 199.237640][ T5260] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [ 199.269671][ T5260] ntfs: volume version 3.1. [pid 5260] creat("./file2", 000) = 4 [pid 5260] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5260] creat("./file2", 000) = 5 [pid 5260] close(3) = 0 [pid 5260] close(4) = 0 [pid 5260] close(5) = 0 [pid 5260] close(6) = -1 EBADF (Bad file descriptor) [pid 5260] close(7) = -1 EBADF (Bad file descriptor) [pid 5260] close(8) = -1 EBADF (Bad file descriptor) [pid 5260] close(9) = -1 EBADF (Bad file descriptor) [pid 5260] close(10) = -1 EBADF (Bad file descriptor) [pid 5260] close(11) = -1 EBADF (Bad file descriptor) [pid 5260] close(12) = -1 EBADF (Bad file descriptor) [pid 5260] close(13) = -1 EBADF (Bad file descriptor) [pid 5260] close(14) = -1 EBADF (Bad file descriptor) [pid 5260] close(15) = -1 EBADF (Bad file descriptor) [pid 5260] close(16) = -1 EBADF (Bad file descriptor) [pid 5260] close(17) = -1 EBADF (Bad file descriptor) [pid 5260] close(18) = -1 EBADF (Bad file descriptor) [pid 5260] close(19) = -1 EBADF (Bad file descriptor) [pid 5260] close(20) = -1 EBADF (Bad file descriptor) [pid 5260] close(21) = -1 EBADF (Bad file descriptor) [pid 5260] close(22) = -1 EBADF (Bad file descriptor) [pid 5260] close(23) = -1 EBADF (Bad file descriptor) [pid 5260] close(24) = -1 EBADF (Bad file descriptor) [pid 5260] close(25) = -1 EBADF (Bad file descriptor) [pid 5260] close(26) = -1 EBADF (Bad file descriptor) [pid 5260] close(27) = -1 EBADF (Bad file descriptor) [pid 5260] close(28) = -1 EBADF (Bad file descriptor) [pid 5260] close(29) = -1 EBADF (Bad file descriptor) [pid 5260] exit_group(0) = ? [pid 5260] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=191, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./189/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./189/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./189/cgroup.cpu") = 0 [pid 5062] umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./189/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./189/binderfs") = 0 [pid 5062] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./189/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./189/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./189/file0") = 0 [pid 5062] umount2("./189/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./189/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./189/cgroup") = 0 [pid 5062] umount2("./189/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./189/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./189/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./189") = 0 [pid 5062] mkdir("./190", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5261 attached , child_tidptr=0x555556e8b650) = 192 [pid 5261] set_robust_list(0x555556e8b660, 24) = 0 [pid 5261] chdir("./190") = 0 [pid 5261] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5261] setpgid(0, 0) = 0 [pid 5261] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5261] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5261] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5261] write(3, "1000", 4) = 4 [pid 5261] close(3) = 0 [pid 5261] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5261] memfd_create("syzkaller", 0) = 3 [pid 5261] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5261] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5261] munmap(0x7f9497c79000, 138412032) = 0 [pid 5261] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5261] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5261] close(3) = 0 [pid 5261] mkdir("./file0", 0777) = 0 [ 199.938679][ T5261] loop0: detected capacity change from 0 to 4096 [pid 5261] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5261] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5261] chdir("./file0") = 0 [pid 5261] ioctl(4, LOOP_CLR_FD) = 0 [ 199.984210][ T5261] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [ 200.019589][ T5261] ntfs: volume version 3.1. [pid 5261] close(4) = 0 [pid 5261] creat("./file2", 000) = 4 [pid 5261] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5261] creat("./file2", 000) = 5 [pid 5261] close(3) = 0 [pid 5261] close(4) = 0 [pid 5261] close(5) = 0 [pid 5261] close(6) = -1 EBADF (Bad file descriptor) [pid 5261] close(7) = -1 EBADF (Bad file descriptor) [pid 5261] close(8) = -1 EBADF (Bad file descriptor) [pid 5261] close(9) = -1 EBADF (Bad file descriptor) [pid 5261] close(10) = -1 EBADF (Bad file descriptor) [pid 5261] close(11) = -1 EBADF (Bad file descriptor) [pid 5261] close(12) = -1 EBADF (Bad file descriptor) [pid 5261] close(13) = -1 EBADF (Bad file descriptor) [pid 5261] close(14) = -1 EBADF (Bad file descriptor) [pid 5261] close(15) = -1 EBADF (Bad file descriptor) [pid 5261] close(16) = -1 EBADF (Bad file descriptor) [pid 5261] close(17) = -1 EBADF (Bad file descriptor) [pid 5261] close(18) = -1 EBADF (Bad file descriptor) [pid 5261] close(19) = -1 EBADF (Bad file descriptor) [pid 5261] close(20) = -1 EBADF (Bad file descriptor) [pid 5261] close(21) = -1 EBADF (Bad file descriptor) [pid 5261] close(22) = -1 EBADF (Bad file descriptor) [pid 5261] close(23) = -1 EBADF (Bad file descriptor) [pid 5261] close(24) = -1 EBADF (Bad file descriptor) [pid 5261] close(25) = -1 EBADF (Bad file descriptor) [pid 5261] close(26) = -1 EBADF (Bad file descriptor) [pid 5261] close(27) = -1 EBADF (Bad file descriptor) [pid 5261] close(28) = -1 EBADF (Bad file descriptor) [pid 5261] close(29) = -1 EBADF (Bad file descriptor) [pid 5261] exit_group(0) = ? [pid 5261] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=192, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./190", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./190/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./190/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./190/cgroup.cpu") = 0 [pid 5062] umount2("./190/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./190/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./190/binderfs") = 0 [pid 5062] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./190/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./190/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./190/file0") = 0 [pid 5062] umount2("./190/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./190/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./190/cgroup") = 0 [pid 5062] umount2("./190/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./190/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./190/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./190") = 0 [pid 5062] mkdir("./191", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5262 attached , child_tidptr=0x555556e8b650) = 193 [pid 5262] set_robust_list(0x555556e8b660, 24) = 0 [pid 5262] chdir("./191") = 0 [pid 5262] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5262] setpgid(0, 0) = 0 [pid 5262] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5262] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5262] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5262] write(3, "1000", 4) = 4 [pid 5262] close(3) = 0 [pid 5262] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5262] memfd_create("syzkaller", 0) = 3 [pid 5262] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5262] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5262] munmap(0x7f9497c79000, 138412032) = 0 [pid 5262] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5262] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5262] close(3) = 0 [pid 5262] mkdir("./file0", 0777) = 0 [ 200.688360][ T5262] loop0: detected capacity change from 0 to 4096 [ 200.714175][ T5262] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5262] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5262] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5262] chdir("./file0") = 0 [pid 5262] ioctl(4, LOOP_CLR_FD) = 0 [pid 5262] close(4) = 0 [ 200.749519][ T5262] ntfs: volume version 3.1. [pid 5262] creat("./file2", 000) = 4 [pid 5262] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5262] creat("./file2", 000) = 5 [pid 5262] close(3) = 0 [pid 5262] close(4) = 0 [pid 5262] close(5) = 0 [pid 5262] close(6) = -1 EBADF (Bad file descriptor) [pid 5262] close(7) = -1 EBADF (Bad file descriptor) [pid 5262] close(8) = -1 EBADF (Bad file descriptor) [pid 5262] close(9) = -1 EBADF (Bad file descriptor) [pid 5262] close(10) = -1 EBADF (Bad file descriptor) [pid 5262] close(11) = -1 EBADF (Bad file descriptor) [pid 5262] close(12) = -1 EBADF (Bad file descriptor) [pid 5262] close(13) = -1 EBADF (Bad file descriptor) [pid 5262] close(14) = -1 EBADF (Bad file descriptor) [pid 5262] close(15) = -1 EBADF (Bad file descriptor) [pid 5262] close(16) = -1 EBADF (Bad file descriptor) [pid 5262] close(17) = -1 EBADF (Bad file descriptor) [pid 5262] close(18) = -1 EBADF (Bad file descriptor) [pid 5262] close(19) = -1 EBADF (Bad file descriptor) [pid 5262] close(20) = -1 EBADF (Bad file descriptor) [pid 5262] close(21) = -1 EBADF (Bad file descriptor) [pid 5262] close(22) = -1 EBADF (Bad file descriptor) [pid 5262] close(23) = -1 EBADF (Bad file descriptor) [pid 5262] close(24) = -1 EBADF (Bad file descriptor) [pid 5262] close(25) = -1 EBADF (Bad file descriptor) [pid 5262] close(26) = -1 EBADF (Bad file descriptor) [pid 5262] close(27) = -1 EBADF (Bad file descriptor) [pid 5262] close(28) = -1 EBADF (Bad file descriptor) [pid 5262] close(29) = -1 EBADF (Bad file descriptor) [pid 5262] exit_group(0) = ? [pid 5262] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=193, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./191", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./191/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./191/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./191/cgroup.cpu") = 0 [pid 5062] umount2("./191/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./191/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./191/binderfs") = 0 [pid 5062] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./191/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./191/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./191/file0") = 0 [pid 5062] umount2("./191/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./191/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./191/cgroup") = 0 [pid 5062] umount2("./191/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./191/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./191/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./191") = 0 [pid 5062] mkdir("./192", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5263 attached , child_tidptr=0x555556e8b650) = 194 [pid 5263] set_robust_list(0x555556e8b660, 24) = 0 [pid 5263] chdir("./192") = 0 [pid 5263] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5263] setpgid(0, 0) = 0 [pid 5263] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5263] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5263] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5263] write(3, "1000", 4) = 4 [pid 5263] close(3) = 0 [pid 5263] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5263] memfd_create("syzkaller", 0) = 3 [pid 5263] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5263] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5263] munmap(0x7f9497c79000, 138412032) = 0 [pid 5263] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5263] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5263] close(3) = 0 [pid 5263] mkdir("./file0", 0777) = 0 [ 201.293245][ T5263] loop0: detected capacity change from 0 to 4096 [ 201.307767][ T5263] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5263] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5263] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5263] chdir("./file0") = 0 [pid 5263] ioctl(4, LOOP_CLR_FD) = 0 [pid 5263] close(4) = 0 [ 201.343669][ T5263] ntfs: volume version 3.1. [pid 5263] creat("./file2", 000) = 4 [pid 5263] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5263] creat("./file2", 000) = 5 [pid 5263] close(3) = 0 [pid 5263] close(4) = 0 [pid 5263] close(5) = 0 [pid 5263] close(6) = -1 EBADF (Bad file descriptor) [pid 5263] close(7) = -1 EBADF (Bad file descriptor) [pid 5263] close(8) = -1 EBADF (Bad file descriptor) [pid 5263] close(9) = -1 EBADF (Bad file descriptor) [pid 5263] close(10) = -1 EBADF (Bad file descriptor) [pid 5263] close(11) = -1 EBADF (Bad file descriptor) [pid 5263] close(12) = -1 EBADF (Bad file descriptor) [pid 5263] close(13) = -1 EBADF (Bad file descriptor) [pid 5263] close(14) = -1 EBADF (Bad file descriptor) [pid 5263] close(15) = -1 EBADF (Bad file descriptor) [pid 5263] close(16) = -1 EBADF (Bad file descriptor) [pid 5263] close(17) = -1 EBADF (Bad file descriptor) [pid 5263] close(18) = -1 EBADF (Bad file descriptor) [pid 5263] close(19) = -1 EBADF (Bad file descriptor) [pid 5263] close(20) = -1 EBADF (Bad file descriptor) [pid 5263] close(21) = -1 EBADF (Bad file descriptor) [pid 5263] close(22) = -1 EBADF (Bad file descriptor) [pid 5263] close(23) = -1 EBADF (Bad file descriptor) [pid 5263] close(24) = -1 EBADF (Bad file descriptor) [pid 5263] close(25) = -1 EBADF (Bad file descriptor) [pid 5263] close(26) = -1 EBADF (Bad file descriptor) [pid 5263] close(27) = -1 EBADF (Bad file descriptor) [pid 5263] close(28) = -1 EBADF (Bad file descriptor) [pid 5263] close(29) = -1 EBADF (Bad file descriptor) [pid 5263] exit_group(0) = ? [pid 5263] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=194, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./192", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./192/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./192/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./192/cgroup.cpu") = 0 [pid 5062] umount2("./192/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./192/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./192/binderfs") = 0 [pid 5062] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./192/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./192/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./192/file0") = 0 [pid 5062] umount2("./192/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./192/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./192/cgroup") = 0 [pid 5062] umount2("./192/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./192/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./192/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./192") = 0 [pid 5062] mkdir("./193", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5264 attached [pid 5264] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 195 [pid 5264] <... set_robust_list resumed>) = 0 [pid 5264] chdir("./193") = 0 [pid 5264] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5264] setpgid(0, 0) = 0 [pid 5264] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5264] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5264] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5264] write(3, "1000", 4) = 4 [pid 5264] close(3) = 0 [pid 5264] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5264] memfd_create("syzkaller", 0) = 3 [pid 5264] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5264] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5264] munmap(0x7f9497c79000, 138412032) = 0 [pid 5264] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5264] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5264] close(3) = 0 [pid 5264] mkdir("./file0", 0777) = 0 [ 201.917540][ T5264] loop0: detected capacity change from 0 to 4096 [ 201.942017][ T5264] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5264] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5264] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5264] chdir("./file0") = 0 [pid 5264] ioctl(4, LOOP_CLR_FD) = 0 [ 201.976693][ T5264] ntfs: volume version 3.1. [pid 5264] close(4) = 0 [pid 5264] creat("./file2", 000) = 4 [pid 5264] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5264] creat("./file2", 000) = 5 [pid 5264] close(3) = 0 [pid 5264] close(4) = 0 [pid 5264] close(5) = 0 [pid 5264] close(6) = -1 EBADF (Bad file descriptor) [pid 5264] close(7) = -1 EBADF (Bad file descriptor) [pid 5264] close(8) = -1 EBADF (Bad file descriptor) [pid 5264] close(9) = -1 EBADF (Bad file descriptor) [pid 5264] close(10) = -1 EBADF (Bad file descriptor) [pid 5264] close(11) = -1 EBADF (Bad file descriptor) [pid 5264] close(12) = -1 EBADF (Bad file descriptor) [pid 5264] close(13) = -1 EBADF (Bad file descriptor) [pid 5264] close(14) = -1 EBADF (Bad file descriptor) [pid 5264] close(15) = -1 EBADF (Bad file descriptor) [pid 5264] close(16) = -1 EBADF (Bad file descriptor) [pid 5264] close(17) = -1 EBADF (Bad file descriptor) [pid 5264] close(18) = -1 EBADF (Bad file descriptor) [pid 5264] close(19) = -1 EBADF (Bad file descriptor) [pid 5264] close(20) = -1 EBADF (Bad file descriptor) [pid 5264] close(21) = -1 EBADF (Bad file descriptor) [pid 5264] close(22) = -1 EBADF (Bad file descriptor) [pid 5264] close(23) = -1 EBADF (Bad file descriptor) [pid 5264] close(24) = -1 EBADF (Bad file descriptor) [pid 5264] close(25) = -1 EBADF (Bad file descriptor) [pid 5264] close(26) = -1 EBADF (Bad file descriptor) [pid 5264] close(27) = -1 EBADF (Bad file descriptor) [pid 5264] close(28) = -1 EBADF (Bad file descriptor) [pid 5264] close(29) = -1 EBADF (Bad file descriptor) [pid 5264] exit_group(0) = ? [pid 5264] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=195, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5062] umount2("./193", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./193/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./193/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./193/cgroup.cpu") = 0 [pid 5062] umount2("./193/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./193/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./193/binderfs") = 0 [pid 5062] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./193/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./193/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./193/file0") = 0 [pid 5062] umount2("./193/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./193/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./193/cgroup") = 0 [pid 5062] umount2("./193/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./193/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./193/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./193") = 0 [pid 5062] mkdir("./194", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5265 attached [pid 5265] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 196 [pid 5265] <... set_robust_list resumed>) = 0 [pid 5265] chdir("./194") = 0 [pid 5265] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5265] setpgid(0, 0) = 0 [pid 5265] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5265] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5265] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5265] write(3, "1000", 4) = 4 [pid 5265] close(3) = 0 [pid 5265] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5265] memfd_create("syzkaller", 0) = 3 [pid 5265] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5265] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5265] munmap(0x7f9497c79000, 138412032) = 0 [pid 5265] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5265] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5265] close(3) = 0 [pid 5265] mkdir("./file0", 0777) = 0 [ 202.483655][ T5265] loop0: detected capacity change from 0 to 4096 [ 202.499530][ T5265] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5265] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5265] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5265] chdir("./file0") = 0 [pid 5265] ioctl(4, LOOP_CLR_FD) = 0 [pid 5265] close(4) = 0 [ 202.531750][ T5265] ntfs: volume version 3.1. [pid 5265] creat("./file2", 000) = 4 [pid 5265] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5265] creat("./file2", 000) = 5 [pid 5265] close(3) = 0 [pid 5265] close(4) = 0 [pid 5265] close(5) = 0 [pid 5265] close(6) = -1 EBADF (Bad file descriptor) [pid 5265] close(7) = -1 EBADF (Bad file descriptor) [pid 5265] close(8) = -1 EBADF (Bad file descriptor) [pid 5265] close(9) = -1 EBADF (Bad file descriptor) [pid 5265] close(10) = -1 EBADF (Bad file descriptor) [pid 5265] close(11) = -1 EBADF (Bad file descriptor) [pid 5265] close(12) = -1 EBADF (Bad file descriptor) [pid 5265] close(13) = -1 EBADF (Bad file descriptor) [pid 5265] close(14) = -1 EBADF (Bad file descriptor) [pid 5265] close(15) = -1 EBADF (Bad file descriptor) [pid 5265] close(16) = -1 EBADF (Bad file descriptor) [pid 5265] close(17) = -1 EBADF (Bad file descriptor) [pid 5265] close(18) = -1 EBADF (Bad file descriptor) [pid 5265] close(19) = -1 EBADF (Bad file descriptor) [pid 5265] close(20) = -1 EBADF (Bad file descriptor) [pid 5265] close(21) = -1 EBADF (Bad file descriptor) [pid 5265] close(22) = -1 EBADF (Bad file descriptor) [pid 5265] close(23) = -1 EBADF (Bad file descriptor) [pid 5265] close(24) = -1 EBADF (Bad file descriptor) [pid 5265] close(25) = -1 EBADF (Bad file descriptor) [pid 5265] close(26) = -1 EBADF (Bad file descriptor) [pid 5265] close(27) = -1 EBADF (Bad file descriptor) [pid 5265] close(28) = -1 EBADF (Bad file descriptor) [pid 5265] close(29) = -1 EBADF (Bad file descriptor) [pid 5265] exit_group(0) = ? [pid 5265] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=196, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] umount2("./194", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./194/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./194/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./194/cgroup.cpu") = 0 [pid 5062] umount2("./194/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./194/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./194/binderfs") = 0 [pid 5062] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./194/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./194/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./194/file0") = 0 [pid 5062] umount2("./194/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./194/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./194/cgroup") = 0 [pid 5062] umount2("./194/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./194/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./194/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./194") = 0 [pid 5062] mkdir("./195", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5266 attached [pid 5266] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 197 [pid 5266] <... set_robust_list resumed>) = 0 [pid 5266] chdir("./195") = 0 [pid 5266] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5266] setpgid(0, 0) = 0 [pid 5266] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5266] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5266] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5266] write(3, "1000", 4) = 4 [pid 5266] close(3) = 0 [pid 5266] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5266] memfd_create("syzkaller", 0) = 3 [pid 5266] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5266] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5266] munmap(0x7f9497c79000, 138412032) = 0 [pid 5266] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5266] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5266] close(3) = 0 [pid 5266] mkdir("./file0", 0777) = 0 [ 203.077585][ T5266] loop0: detected capacity change from 0 to 4096 [ 203.102420][ T5266] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5266] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5266] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5266] chdir("./file0") = 0 [pid 5266] ioctl(4, LOOP_CLR_FD) = 0 [pid 5266] close(4) = 0 [pid 5266] creat("./file2", 000) = 4 [ 203.138139][ T5266] ntfs: volume version 3.1. [pid 5266] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5266] creat("./file2", 000) = 5 [pid 5266] close(3) = 0 [pid 5266] close(4) = 0 [pid 5266] close(5) = 0 [pid 5266] close(6) = -1 EBADF (Bad file descriptor) [pid 5266] close(7) = -1 EBADF (Bad file descriptor) [pid 5266] close(8) = -1 EBADF (Bad file descriptor) [pid 5266] close(9) = -1 EBADF (Bad file descriptor) [pid 5266] close(10) = -1 EBADF (Bad file descriptor) [pid 5266] close(11) = -1 EBADF (Bad file descriptor) [pid 5266] close(12) = -1 EBADF (Bad file descriptor) [pid 5266] close(13) = -1 EBADF (Bad file descriptor) [pid 5266] close(14) = -1 EBADF (Bad file descriptor) [pid 5266] close(15) = -1 EBADF (Bad file descriptor) [pid 5266] close(16) = -1 EBADF (Bad file descriptor) [pid 5266] close(17) = -1 EBADF (Bad file descriptor) [pid 5266] close(18) = -1 EBADF (Bad file descriptor) [pid 5266] close(19) = -1 EBADF (Bad file descriptor) [pid 5266] close(20) = -1 EBADF (Bad file descriptor) [pid 5266] close(21) = -1 EBADF (Bad file descriptor) [pid 5266] close(22) = -1 EBADF (Bad file descriptor) [pid 5266] close(23) = -1 EBADF (Bad file descriptor) [pid 5266] close(24) = -1 EBADF (Bad file descriptor) [pid 5266] close(25) = -1 EBADF (Bad file descriptor) [pid 5266] close(26) = -1 EBADF (Bad file descriptor) [pid 5266] close(27) = -1 EBADF (Bad file descriptor) [pid 5266] close(28) = -1 EBADF (Bad file descriptor) [pid 5266] close(29) = -1 EBADF (Bad file descriptor) [pid 5266] exit_group(0) = ? [pid 5266] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=197, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] umount2("./195", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./195/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./195/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./195/cgroup.cpu") = 0 [pid 5062] umount2("./195/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./195/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./195/binderfs") = 0 [pid 5062] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./195/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./195/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./195/file0") = 0 [pid 5062] umount2("./195/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./195/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./195/cgroup") = 0 [pid 5062] umount2("./195/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./195/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./195/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./195") = 0 [pid 5062] mkdir("./196", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5267 attached , child_tidptr=0x555556e8b650) = 198 [pid 5267] set_robust_list(0x555556e8b660, 24) = 0 [pid 5267] chdir("./196") = 0 [pid 5267] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5267] setpgid(0, 0) = 0 [pid 5267] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5267] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5267] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5267] write(3, "1000", 4) = 4 [pid 5267] close(3) = 0 [pid 5267] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5267] memfd_create("syzkaller", 0) = 3 [pid 5267] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5267] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5267] munmap(0x7f9497c79000, 138412032) = 0 [pid 5267] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5267] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5267] close(3) = 0 [pid 5267] mkdir("./file0", 0777) = 0 [ 203.695499][ T5267] loop0: detected capacity change from 0 to 4096 [ 203.712696][ T5267] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5267] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5267] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5267] chdir("./file0") = 0 [pid 5267] ioctl(4, LOOP_CLR_FD) = 0 [pid 5267] close(4) = 0 [ 203.745212][ T5267] ntfs: volume version 3.1. [pid 5267] creat("./file2", 000) = 4 [pid 5267] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5267] creat("./file2", 000) = 5 [pid 5267] close(3) = 0 [pid 5267] close(4) = 0 [pid 5267] close(5) = 0 [pid 5267] close(6) = -1 EBADF (Bad file descriptor) [pid 5267] close(7) = -1 EBADF (Bad file descriptor) [pid 5267] close(8) = -1 EBADF (Bad file descriptor) [pid 5267] close(9) = -1 EBADF (Bad file descriptor) [pid 5267] close(10) = -1 EBADF (Bad file descriptor) [pid 5267] close(11) = -1 EBADF (Bad file descriptor) [pid 5267] close(12) = -1 EBADF (Bad file descriptor) [pid 5267] close(13) = -1 EBADF (Bad file descriptor) [pid 5267] close(14) = -1 EBADF (Bad file descriptor) [pid 5267] close(15) = -1 EBADF (Bad file descriptor) [pid 5267] close(16) = -1 EBADF (Bad file descriptor) [pid 5267] close(17) = -1 EBADF (Bad file descriptor) [pid 5267] close(18) = -1 EBADF (Bad file descriptor) [pid 5267] close(19) = -1 EBADF (Bad file descriptor) [pid 5267] close(20) = -1 EBADF (Bad file descriptor) [pid 5267] close(21) = -1 EBADF (Bad file descriptor) [pid 5267] close(22) = -1 EBADF (Bad file descriptor) [pid 5267] close(23) = -1 EBADF (Bad file descriptor) [pid 5267] close(24) = -1 EBADF (Bad file descriptor) [pid 5267] close(25) = -1 EBADF (Bad file descriptor) [pid 5267] close(26) = -1 EBADF (Bad file descriptor) [pid 5267] close(27) = -1 EBADF (Bad file descriptor) [pid 5267] close(28) = -1 EBADF (Bad file descriptor) [pid 5267] close(29) = -1 EBADF (Bad file descriptor) [pid 5267] exit_group(0) = ? [pid 5267] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=198, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5062] umount2("./196", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./196/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./196/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./196/cgroup.cpu") = 0 [pid 5062] umount2("./196/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./196/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./196/binderfs") = 0 [pid 5062] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./196/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./196/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./196/file0") = 0 [pid 5062] umount2("./196/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./196/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./196/cgroup") = 0 [pid 5062] umount2("./196/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./196/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./196/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./196") = 0 [pid 5062] mkdir("./197", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5268 attached [pid 5268] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 199 [pid 5268] <... set_robust_list resumed>) = 0 [pid 5268] chdir("./197") = 0 [pid 5268] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5268] setpgid(0, 0) = 0 [pid 5268] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5268] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5268] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5268] write(3, "1000", 4) = 4 [pid 5268] close(3) = 0 [pid 5268] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5268] memfd_create("syzkaller", 0) = 3 [pid 5268] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5268] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5268] munmap(0x7f9497c79000, 138412032) = 0 [pid 5268] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5268] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5268] close(3) = 0 [pid 5268] mkdir("./file0", 0777) = 0 [ 204.351579][ T5268] loop0: detected capacity change from 0 to 4096 [ 204.366531][ T5268] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5268] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5268] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5268] chdir("./file0") = 0 [pid 5268] ioctl(4, LOOP_CLR_FD) = 0 [pid 5268] close(4) = 0 [ 204.400984][ T5268] ntfs: volume version 3.1. [pid 5268] creat("./file2", 000) = 4 [pid 5268] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5268] creat("./file2", 000) = 5 [pid 5268] close(3) = 0 [pid 5268] close(4) = 0 [pid 5268] close(5) = 0 [pid 5268] close(6) = -1 EBADF (Bad file descriptor) [pid 5268] close(7) = -1 EBADF (Bad file descriptor) [pid 5268] close(8) = -1 EBADF (Bad file descriptor) [pid 5268] close(9) = -1 EBADF (Bad file descriptor) [pid 5268] close(10) = -1 EBADF (Bad file descriptor) [pid 5268] close(11) = -1 EBADF (Bad file descriptor) [pid 5268] close(12) = -1 EBADF (Bad file descriptor) [pid 5268] close(13) = -1 EBADF (Bad file descriptor) [pid 5268] close(14) = -1 EBADF (Bad file descriptor) [pid 5268] close(15) = -1 EBADF (Bad file descriptor) [pid 5268] close(16) = -1 EBADF (Bad file descriptor) [pid 5268] close(17) = -1 EBADF (Bad file descriptor) [pid 5268] close(18) = -1 EBADF (Bad file descriptor) [pid 5268] close(19) = -1 EBADF (Bad file descriptor) [pid 5268] close(20) = -1 EBADF (Bad file descriptor) [pid 5268] close(21) = -1 EBADF (Bad file descriptor) [pid 5268] close(22) = -1 EBADF (Bad file descriptor) [pid 5268] close(23) = -1 EBADF (Bad file descriptor) [pid 5268] close(24) = -1 EBADF (Bad file descriptor) [pid 5268] close(25) = -1 EBADF (Bad file descriptor) [pid 5268] close(26) = -1 EBADF (Bad file descriptor) [pid 5268] close(27) = -1 EBADF (Bad file descriptor) [pid 5268] close(28) = -1 EBADF (Bad file descriptor) [pid 5268] close(29) = -1 EBADF (Bad file descriptor) [pid 5268] exit_group(0) = ? [pid 5268] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=199, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./197", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./197/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./197/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./197/cgroup.cpu") = 0 [pid 5062] umount2("./197/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./197/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./197/binderfs") = 0 [pid 5062] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./197/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./197/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./197/file0") = 0 [pid 5062] umount2("./197/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./197/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./197/cgroup") = 0 [pid 5062] umount2("./197/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./197/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./197/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./197") = 0 [pid 5062] mkdir("./198", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5269 attached , child_tidptr=0x555556e8b650) = 200 [pid 5269] set_robust_list(0x555556e8b660, 24) = 0 [pid 5269] chdir("./198") = 0 [pid 5269] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5269] setpgid(0, 0) = 0 [pid 5269] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5269] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5269] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5269] write(3, "1000", 4) = 4 [pid 5269] close(3) = 0 [pid 5269] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5269] memfd_create("syzkaller", 0) = 3 [pid 5269] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5269] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5269] munmap(0x7f9497c79000, 138412032) = 0 [pid 5269] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5269] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5269] close(3) = 0 [pid 5269] mkdir("./file0", 0777) = 0 [ 205.009597][ T5269] loop0: detected capacity change from 0 to 4096 [ 205.041779][ T5269] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5269] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5269] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5269] chdir("./file0") = 0 [pid 5269] ioctl(4, LOOP_CLR_FD) = 0 [pid 5269] close(4) = 0 [pid 5269] creat("./file2", 000) = 4 [ 205.082824][ T5269] ntfs: volume version 3.1. [pid 5269] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5269] creat("./file2", 000) = 5 [pid 5269] close(3) = 0 [pid 5269] close(4) = 0 [pid 5269] close(5) = 0 [pid 5269] close(6) = -1 EBADF (Bad file descriptor) [pid 5269] close(7) = -1 EBADF (Bad file descriptor) [pid 5269] close(8) = -1 EBADF (Bad file descriptor) [pid 5269] close(9) = -1 EBADF (Bad file descriptor) [pid 5269] close(10) = -1 EBADF (Bad file descriptor) [pid 5269] close(11) = -1 EBADF (Bad file descriptor) [pid 5269] close(12) = -1 EBADF (Bad file descriptor) [pid 5269] close(13) = -1 EBADF (Bad file descriptor) [pid 5269] close(14) = -1 EBADF (Bad file descriptor) [pid 5269] close(15) = -1 EBADF (Bad file descriptor) [pid 5269] close(16) = -1 EBADF (Bad file descriptor) [pid 5269] close(17) = -1 EBADF (Bad file descriptor) [pid 5269] close(18) = -1 EBADF (Bad file descriptor) [pid 5269] close(19) = -1 EBADF (Bad file descriptor) [pid 5269] close(20) = -1 EBADF (Bad file descriptor) [pid 5269] close(21) = -1 EBADF (Bad file descriptor) [pid 5269] close(22) = -1 EBADF (Bad file descriptor) [pid 5269] close(23) = -1 EBADF (Bad file descriptor) [pid 5269] close(24) = -1 EBADF (Bad file descriptor) [pid 5269] close(25) = -1 EBADF (Bad file descriptor) [pid 5269] close(26) = -1 EBADF (Bad file descriptor) [pid 5269] close(27) = -1 EBADF (Bad file descriptor) [pid 5269] close(28) = -1 EBADF (Bad file descriptor) [pid 5269] close(29) = -1 EBADF (Bad file descriptor) [pid 5269] exit_group(0) = ? [pid 5269] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=200, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5062] umount2("./198", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./198/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./198/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./198/cgroup.cpu") = 0 [pid 5062] umount2("./198/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./198/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./198/binderfs") = 0 [pid 5062] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./198/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./198/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./198/file0") = 0 [pid 5062] umount2("./198/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./198/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./198/cgroup") = 0 [pid 5062] umount2("./198/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./198/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./198/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./198") = 0 [pid 5062] mkdir("./199", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5270 attached [pid 5270] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 201 [pid 5270] <... set_robust_list resumed>) = 0 [pid 5270] chdir("./199") = 0 [pid 5270] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5270] setpgid(0, 0) = 0 [pid 5270] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5270] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5270] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5270] write(3, "1000", 4) = 4 [pid 5270] close(3) = 0 [pid 5270] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5270] memfd_create("syzkaller", 0) = 3 [pid 5270] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5270] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5270] munmap(0x7f9497c79000, 138412032) = 0 [pid 5270] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5270] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5270] close(3) = 0 [pid 5270] mkdir("./file0", 0777) = 0 [ 205.574589][ T5270] loop0: detected capacity change from 0 to 4096 [ 205.588275][ T5270] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5270] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5270] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5270] chdir("./file0") = 0 [pid 5270] ioctl(4, LOOP_CLR_FD) = 0 [pid 5270] close(4) = 0 [ 205.623769][ T5270] ntfs: volume version 3.1. [pid 5270] creat("./file2", 000) = 4 [pid 5270] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5270] creat("./file2", 000) = 5 [pid 5270] close(3) = 0 [pid 5270] close(4) = 0 [pid 5270] close(5) = 0 [pid 5270] close(6) = -1 EBADF (Bad file descriptor) [pid 5270] close(7) = -1 EBADF (Bad file descriptor) [pid 5270] close(8) = -1 EBADF (Bad file descriptor) [pid 5270] close(9) = -1 EBADF (Bad file descriptor) [pid 5270] close(10) = -1 EBADF (Bad file descriptor) [pid 5270] close(11) = -1 EBADF (Bad file descriptor) [pid 5270] close(12) = -1 EBADF (Bad file descriptor) [pid 5270] close(13) = -1 EBADF (Bad file descriptor) [pid 5270] close(14) = -1 EBADF (Bad file descriptor) [pid 5270] close(15) = -1 EBADF (Bad file descriptor) [pid 5270] close(16) = -1 EBADF (Bad file descriptor) [pid 5270] close(17) = -1 EBADF (Bad file descriptor) [pid 5270] close(18) = -1 EBADF (Bad file descriptor) [pid 5270] close(19) = -1 EBADF (Bad file descriptor) [pid 5270] close(20) = -1 EBADF (Bad file descriptor) [pid 5270] close(21) = -1 EBADF (Bad file descriptor) [pid 5270] close(22) = -1 EBADF (Bad file descriptor) [pid 5270] close(23) = -1 EBADF (Bad file descriptor) [pid 5270] close(24) = -1 EBADF (Bad file descriptor) [pid 5270] close(25) = -1 EBADF (Bad file descriptor) [pid 5270] close(26) = -1 EBADF (Bad file descriptor) [pid 5270] close(27) = -1 EBADF (Bad file descriptor) [pid 5270] close(28) = -1 EBADF (Bad file descriptor) [pid 5270] close(29) = -1 EBADF (Bad file descriptor) [pid 5270] exit_group(0) = ? [pid 5270] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=201, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./199", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./199/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./199/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./199/cgroup.cpu") = 0 [pid 5062] umount2("./199/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./199/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./199/binderfs") = 0 [pid 5062] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./199/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./199/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./199/file0") = 0 [pid 5062] umount2("./199/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./199/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./199/cgroup") = 0 [pid 5062] umount2("./199/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./199/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./199/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./199") = 0 [pid 5062] mkdir("./200", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5271 attached [pid 5271] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 202 [pid 5271] <... set_robust_list resumed>) = 0 [pid 5271] chdir("./200") = 0 [pid 5271] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5271] setpgid(0, 0) = 0 [pid 5271] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5271] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5271] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5271] write(3, "1000", 4) = 4 [pid 5271] close(3) = 0 [pid 5271] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5271] memfd_create("syzkaller", 0) = 3 [pid 5271] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5271] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5271] munmap(0x7f9497c79000, 138412032) = 0 [pid 5271] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5271] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5271] close(3) = 0 [pid 5271] mkdir("./file0", 0777) = 0 [ 206.187339][ T5271] loop0: detected capacity change from 0 to 4096 [ 206.213490][ T5271] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5271] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5271] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5271] chdir("./file0") = 0 [pid 5271] ioctl(4, LOOP_CLR_FD) = 0 [pid 5271] close(4) = 0 [pid 5271] creat("./file2", 000) = 4 [ 206.247861][ T5271] ntfs: volume version 3.1. [pid 5271] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5271] creat("./file2", 000) = 5 [pid 5271] close(3) = 0 [pid 5271] close(4) = 0 [pid 5271] close(5) = 0 [pid 5271] close(6) = -1 EBADF (Bad file descriptor) [pid 5271] close(7) = -1 EBADF (Bad file descriptor) [pid 5271] close(8) = -1 EBADF (Bad file descriptor) [pid 5271] close(9) = -1 EBADF (Bad file descriptor) [pid 5271] close(10) = -1 EBADF (Bad file descriptor) [pid 5271] close(11) = -1 EBADF (Bad file descriptor) [pid 5271] close(12) = -1 EBADF (Bad file descriptor) [pid 5271] close(13) = -1 EBADF (Bad file descriptor) [pid 5271] close(14) = -1 EBADF (Bad file descriptor) [pid 5271] close(15) = -1 EBADF (Bad file descriptor) [pid 5271] close(16) = -1 EBADF (Bad file descriptor) [pid 5271] close(17) = -1 EBADF (Bad file descriptor) [pid 5271] close(18) = -1 EBADF (Bad file descriptor) [pid 5271] close(19) = -1 EBADF (Bad file descriptor) [pid 5271] close(20) = -1 EBADF (Bad file descriptor) [pid 5271] close(21) = -1 EBADF (Bad file descriptor) [pid 5271] close(22) = -1 EBADF (Bad file descriptor) [pid 5271] close(23) = -1 EBADF (Bad file descriptor) [pid 5271] close(24) = -1 EBADF (Bad file descriptor) [pid 5271] close(25) = -1 EBADF (Bad file descriptor) [pid 5271] close(26) = -1 EBADF (Bad file descriptor) [pid 5271] close(27) = -1 EBADF (Bad file descriptor) [pid 5271] close(28) = -1 EBADF (Bad file descriptor) [pid 5271] close(29) = -1 EBADF (Bad file descriptor) [pid 5271] exit_group(0) = ? [pid 5271] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=202, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5062] umount2("./200", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./200/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./200/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./200/cgroup.cpu") = 0 [pid 5062] umount2("./200/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./200/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./200/binderfs") = 0 [pid 5062] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./200/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./200/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./200/file0") = 0 [pid 5062] umount2("./200/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./200/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./200/cgroup") = 0 [pid 5062] umount2("./200/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./200/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./200/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./200") = 0 [pid 5062] mkdir("./201", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5272 attached [pid 5272] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 203 [pid 5272] <... set_robust_list resumed>) = 0 [pid 5272] chdir("./201") = 0 [pid 5272] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5272] setpgid(0, 0) = 0 [pid 5272] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5272] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5272] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5272] write(3, "1000", 4) = 4 [pid 5272] close(3) = 0 [pid 5272] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5272] memfd_create("syzkaller", 0) = 3 [pid 5272] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5272] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5272] munmap(0x7f9497c79000, 138412032) = 0 [pid 5272] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5272] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5272] close(3) = 0 [pid 5272] mkdir("./file0", 0777) = 0 [ 206.750634][ T5272] loop0: detected capacity change from 0 to 4096 [pid 5272] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5272] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5272] chdir("./file0") = 0 [ 206.783991][ T5272] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [ 206.816067][ T5272] ntfs: volume version 3.1. [pid 5272] ioctl(4, LOOP_CLR_FD) = 0 [pid 5272] close(4) = 0 [pid 5272] creat("./file2", 000) = 4 [pid 5272] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5272] creat("./file2", 000) = 5 [pid 5272] close(3) = 0 [pid 5272] close(4) = 0 [pid 5272] close(5) = 0 [pid 5272] close(6) = -1 EBADF (Bad file descriptor) [pid 5272] close(7) = -1 EBADF (Bad file descriptor) [pid 5272] close(8) = -1 EBADF (Bad file descriptor) [pid 5272] close(9) = -1 EBADF (Bad file descriptor) [pid 5272] close(10) = -1 EBADF (Bad file descriptor) [pid 5272] close(11) = -1 EBADF (Bad file descriptor) [pid 5272] close(12) = -1 EBADF (Bad file descriptor) [pid 5272] close(13) = -1 EBADF (Bad file descriptor) [pid 5272] close(14) = -1 EBADF (Bad file descriptor) [pid 5272] close(15) = -1 EBADF (Bad file descriptor) [pid 5272] close(16) = -1 EBADF (Bad file descriptor) [pid 5272] close(17) = -1 EBADF (Bad file descriptor) [pid 5272] close(18) = -1 EBADF (Bad file descriptor) [pid 5272] close(19) = -1 EBADF (Bad file descriptor) [pid 5272] close(20) = -1 EBADF (Bad file descriptor) [pid 5272] close(21) = -1 EBADF (Bad file descriptor) [pid 5272] close(22) = -1 EBADF (Bad file descriptor) [pid 5272] close(23) = -1 EBADF (Bad file descriptor) [pid 5272] close(24) = -1 EBADF (Bad file descriptor) [pid 5272] close(25) = -1 EBADF (Bad file descriptor) [pid 5272] close(26) = -1 EBADF (Bad file descriptor) [pid 5272] close(27) = -1 EBADF (Bad file descriptor) [pid 5272] close(28) = -1 EBADF (Bad file descriptor) [pid 5272] close(29) = -1 EBADF (Bad file descriptor) [pid 5272] exit_group(0) = ? [pid 5272] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=203, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- [pid 5062] umount2("./201", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./201/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./201/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./201/cgroup.cpu") = 0 [pid 5062] umount2("./201/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./201/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./201/binderfs") = 0 [pid 5062] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./201/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./201/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./201/file0") = 0 [pid 5062] umount2("./201/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./201/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./201/cgroup") = 0 [pid 5062] umount2("./201/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./201/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./201/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./201") = 0 [pid 5062] mkdir("./202", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5273 attached [pid 5273] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 204 [pid 5273] <... set_robust_list resumed>) = 0 [pid 5273] chdir("./202") = 0 [pid 5273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5273] setpgid(0, 0) = 0 [pid 5273] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5273] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5273] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5273] write(3, "1000", 4) = 4 [pid 5273] close(3) = 0 [pid 5273] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5273] memfd_create("syzkaller", 0) = 3 [pid 5273] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5273] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5273] munmap(0x7f9497c79000, 138412032) = 0 [pid 5273] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5273] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5273] close(3) = 0 [pid 5273] mkdir("./file0", 0777) = 0 [ 207.429796][ T5273] loop0: detected capacity change from 0 to 4096 [ 207.443901][ T5273] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5273] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5273] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5273] chdir("./file0") = 0 [pid 5273] ioctl(4, LOOP_CLR_FD) = 0 [pid 5273] close(4) = 0 [ 207.478591][ T5273] ntfs: volume version 3.1. [pid 5273] creat("./file2", 000) = 4 [pid 5273] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5273] creat("./file2", 000) = 5 [pid 5273] close(3) = 0 [pid 5273] close(4) = 0 [pid 5273] close(5) = 0 [pid 5273] close(6) = -1 EBADF (Bad file descriptor) [pid 5273] close(7) = -1 EBADF (Bad file descriptor) [pid 5273] close(8) = -1 EBADF (Bad file descriptor) [pid 5273] close(9) = -1 EBADF (Bad file descriptor) [pid 5273] close(10) = -1 EBADF (Bad file descriptor) [pid 5273] close(11) = -1 EBADF (Bad file descriptor) [pid 5273] close(12) = -1 EBADF (Bad file descriptor) [pid 5273] close(13) = -1 EBADF (Bad file descriptor) [pid 5273] close(14) = -1 EBADF (Bad file descriptor) [pid 5273] close(15) = -1 EBADF (Bad file descriptor) [pid 5273] close(16) = -1 EBADF (Bad file descriptor) [pid 5273] close(17) = -1 EBADF (Bad file descriptor) [pid 5273] close(18) = -1 EBADF (Bad file descriptor) [pid 5273] close(19) = -1 EBADF (Bad file descriptor) [pid 5273] close(20) = -1 EBADF (Bad file descriptor) [pid 5273] close(21) = -1 EBADF (Bad file descriptor) [pid 5273] close(22) = -1 EBADF (Bad file descriptor) [pid 5273] close(23) = -1 EBADF (Bad file descriptor) [pid 5273] close(24) = -1 EBADF (Bad file descriptor) [pid 5273] close(25) = -1 EBADF (Bad file descriptor) [pid 5273] close(26) = -1 EBADF (Bad file descriptor) [pid 5273] close(27) = -1 EBADF (Bad file descriptor) [pid 5273] close(28) = -1 EBADF (Bad file descriptor) [pid 5273] close(29) = -1 EBADF (Bad file descriptor) [pid 5273] exit_group(0) = ? [pid 5273] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=204, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./202", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./202/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./202/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./202/cgroup.cpu") = 0 [pid 5062] umount2("./202/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./202/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./202/binderfs") = 0 [pid 5062] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./202/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./202/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./202/file0") = 0 [pid 5062] umount2("./202/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./202/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./202/cgroup") = 0 [pid 5062] umount2("./202/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./202/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./202/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./202") = 0 [pid 5062] mkdir("./203", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5274 attached [pid 5274] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 205 [pid 5274] <... set_robust_list resumed>) = 0 [pid 5274] chdir("./203") = 0 [pid 5274] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5274] setpgid(0, 0) = 0 [pid 5274] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5274] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5274] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5274] write(3, "1000", 4) = 4 [pid 5274] close(3) = 0 [pid 5274] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5274] memfd_create("syzkaller", 0) = 3 [pid 5274] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5274] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5274] munmap(0x7f9497c79000, 138412032) = 0 [pid 5274] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5274] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5274] close(3) = 0 [pid 5274] mkdir("./file0", 0777) = 0 [ 208.000844][ T5274] loop0: detected capacity change from 0 to 4096 [ 208.025607][ T5274] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5274] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5274] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5274] chdir("./file0") = 0 [pid 5274] ioctl(4, LOOP_CLR_FD) = 0 [ 208.058678][ T5274] ntfs: volume version 3.1. [pid 5274] close(4) = 0 [pid 5274] creat("./file2", 000) = 4 [pid 5274] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5274] creat("./file2", 000) = 5 [pid 5274] close(3) = 0 [pid 5274] close(4) = 0 [pid 5274] close(5) = 0 [pid 5274] close(6) = -1 EBADF (Bad file descriptor) [pid 5274] close(7) = -1 EBADF (Bad file descriptor) [pid 5274] close(8) = -1 EBADF (Bad file descriptor) [pid 5274] close(9) = -1 EBADF (Bad file descriptor) [pid 5274] close(10) = -1 EBADF (Bad file descriptor) [pid 5274] close(11) = -1 EBADF (Bad file descriptor) [pid 5274] close(12) = -1 EBADF (Bad file descriptor) [pid 5274] close(13) = -1 EBADF (Bad file descriptor) [pid 5274] close(14) = -1 EBADF (Bad file descriptor) [pid 5274] close(15) = -1 EBADF (Bad file descriptor) [pid 5274] close(16) = -1 EBADF (Bad file descriptor) [pid 5274] close(17) = -1 EBADF (Bad file descriptor) [pid 5274] close(18) = -1 EBADF (Bad file descriptor) [pid 5274] close(19) = -1 EBADF (Bad file descriptor) [pid 5274] close(20) = -1 EBADF (Bad file descriptor) [pid 5274] close(21) = -1 EBADF (Bad file descriptor) [pid 5274] close(22) = -1 EBADF (Bad file descriptor) [pid 5274] close(23) = -1 EBADF (Bad file descriptor) [pid 5274] close(24) = -1 EBADF (Bad file descriptor) [pid 5274] close(25) = -1 EBADF (Bad file descriptor) [pid 5274] close(26) = -1 EBADF (Bad file descriptor) [pid 5274] close(27) = -1 EBADF (Bad file descriptor) [pid 5274] close(28) = -1 EBADF (Bad file descriptor) [pid 5274] close(29) = -1 EBADF (Bad file descriptor) [pid 5274] exit_group(0) = ? [pid 5274] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=205, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5062] umount2("./203", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./203", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./203/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./203/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./203/cgroup.cpu") = 0 [pid 5062] umount2("./203/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./203/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./203/binderfs") = 0 [pid 5062] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./203/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./203/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./203/file0") = 0 [pid 5062] umount2("./203/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./203/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./203/cgroup") = 0 [pid 5062] umount2("./203/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./203/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./203/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./203") = 0 [pid 5062] mkdir("./204", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5275 attached , child_tidptr=0x555556e8b650) = 206 [pid 5275] set_robust_list(0x555556e8b660, 24) = 0 [pid 5275] chdir("./204") = 0 [pid 5275] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5275] setpgid(0, 0) = 0 [pid 5275] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5275] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5275] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5275] write(3, "1000", 4) = 4 [pid 5275] close(3) = 0 [pid 5275] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5275] memfd_create("syzkaller", 0) = 3 [pid 5275] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5275] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5275] munmap(0x7f9497c79000, 138412032) = 0 [pid 5275] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5275] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5275] close(3) = 0 [pid 5275] mkdir("./file0", 0777) = 0 [ 208.698382][ T5275] loop0: detected capacity change from 0 to 4096 [ 208.712473][ T5275] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5275] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5275] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5275] chdir("./file0") = 0 [pid 5275] ioctl(4, LOOP_CLR_FD) = 0 [ 208.747442][ T5275] ntfs: volume version 3.1. [pid 5275] close(4) = 0 [pid 5275] creat("./file2", 000) = 4 [pid 5275] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5275] creat("./file2", 000) = 5 [pid 5275] close(3) = 0 [pid 5275] close(4) = 0 [pid 5275] close(5) = 0 [pid 5275] close(6) = -1 EBADF (Bad file descriptor) [pid 5275] close(7) = -1 EBADF (Bad file descriptor) [pid 5275] close(8) = -1 EBADF (Bad file descriptor) [pid 5275] close(9) = -1 EBADF (Bad file descriptor) [pid 5275] close(10) = -1 EBADF (Bad file descriptor) [pid 5275] close(11) = -1 EBADF (Bad file descriptor) [pid 5275] close(12) = -1 EBADF (Bad file descriptor) [pid 5275] close(13) = -1 EBADF (Bad file descriptor) [pid 5275] close(14) = -1 EBADF (Bad file descriptor) [pid 5275] close(15) = -1 EBADF (Bad file descriptor) [pid 5275] close(16) = -1 EBADF (Bad file descriptor) [pid 5275] close(17) = -1 EBADF (Bad file descriptor) [pid 5275] close(18) = -1 EBADF (Bad file descriptor) [pid 5275] close(19) = -1 EBADF (Bad file descriptor) [pid 5275] close(20) = -1 EBADF (Bad file descriptor) [pid 5275] close(21) = -1 EBADF (Bad file descriptor) [pid 5275] close(22) = -1 EBADF (Bad file descriptor) [pid 5275] close(23) = -1 EBADF (Bad file descriptor) [pid 5275] close(24) = -1 EBADF (Bad file descriptor) [pid 5275] close(25) = -1 EBADF (Bad file descriptor) [pid 5275] close(26) = -1 EBADF (Bad file descriptor) [pid 5275] close(27) = -1 EBADF (Bad file descriptor) [pid 5275] close(28) = -1 EBADF (Bad file descriptor) [pid 5275] close(29) = -1 EBADF (Bad file descriptor) [pid 5275] exit_group(0) = ? [pid 5275] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=206, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./204", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./204", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./204/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./204/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./204/cgroup.cpu") = 0 [pid 5062] umount2("./204/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./204/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./204/binderfs") = 0 [pid 5062] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./204/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./204/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./204/file0") = 0 [pid 5062] umount2("./204/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./204/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./204/cgroup") = 0 [pid 5062] umount2("./204/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./204/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./204/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./204") = 0 [pid 5062] mkdir("./205", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5276 attached [pid 5276] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 207 [pid 5276] <... set_robust_list resumed>) = 0 [pid 5276] chdir("./205") = 0 [pid 5276] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5276] setpgid(0, 0) = 0 [pid 5276] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5276] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5276] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5276] write(3, "1000", 4) = 4 [pid 5276] close(3) = 0 [pid 5276] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5276] memfd_create("syzkaller", 0) = 3 [pid 5276] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5276] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5276] munmap(0x7f9497c79000, 138412032) = 0 [pid 5276] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5276] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5276] close(3) = 0 [pid 5276] mkdir("./file0", 0777) = 0 [ 209.355844][ T5276] loop0: detected capacity change from 0 to 4096 [ 209.365513][ T5276] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5276] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5276] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5276] chdir("./file0") = 0 [pid 5276] ioctl(4, LOOP_CLR_FD) = 0 [pid 5276] close(4) = 0 [ 209.403451][ T5276] ntfs: volume version 3.1. [pid 5276] creat("./file2", 000) = 4 [pid 5276] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5276] creat("./file2", 000) = 5 [pid 5276] close(3) = 0 [pid 5276] close(4) = 0 [pid 5276] close(5) = 0 [pid 5276] close(6) = -1 EBADF (Bad file descriptor) [pid 5276] close(7) = -1 EBADF (Bad file descriptor) [pid 5276] close(8) = -1 EBADF (Bad file descriptor) [pid 5276] close(9) = -1 EBADF (Bad file descriptor) [pid 5276] close(10) = -1 EBADF (Bad file descriptor) [pid 5276] close(11) = -1 EBADF (Bad file descriptor) [pid 5276] close(12) = -1 EBADF (Bad file descriptor) [pid 5276] close(13) = -1 EBADF (Bad file descriptor) [pid 5276] close(14) = -1 EBADF (Bad file descriptor) [pid 5276] close(15) = -1 EBADF (Bad file descriptor) [pid 5276] close(16) = -1 EBADF (Bad file descriptor) [pid 5276] close(17) = -1 EBADF (Bad file descriptor) [pid 5276] close(18) = -1 EBADF (Bad file descriptor) [pid 5276] close(19) = -1 EBADF (Bad file descriptor) [pid 5276] close(20) = -1 EBADF (Bad file descriptor) [pid 5276] close(21) = -1 EBADF (Bad file descriptor) [pid 5276] close(22) = -1 EBADF (Bad file descriptor) [pid 5276] close(23) = -1 EBADF (Bad file descriptor) [pid 5276] close(24) = -1 EBADF (Bad file descriptor) [pid 5276] close(25) = -1 EBADF (Bad file descriptor) [pid 5276] close(26) = -1 EBADF (Bad file descriptor) [pid 5276] close(27) = -1 EBADF (Bad file descriptor) [pid 5276] close(28) = -1 EBADF (Bad file descriptor) [pid 5276] close(29) = -1 EBADF (Bad file descriptor) [pid 5276] exit_group(0) = ? [pid 5276] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=207, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./205", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./205", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./205/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./205/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./205/cgroup.cpu") = 0 [pid 5062] umount2("./205/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./205/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./205/binderfs") = 0 [pid 5062] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./205/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./205/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./205/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./205/file0") = 0 [pid 5062] umount2("./205/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./205/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./205/cgroup") = 0 [pid 5062] umount2("./205/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./205/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./205/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./205") = 0 [pid 5062] mkdir("./206", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5277 attached [pid 5277] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 208 [pid 5277] <... set_robust_list resumed>) = 0 [pid 5277] chdir("./206") = 0 [pid 5277] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5277] setpgid(0, 0) = 0 [pid 5277] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5277] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5277] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5277] write(3, "1000", 4) = 4 [pid 5277] close(3) = 0 [pid 5277] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5277] memfd_create("syzkaller", 0) = 3 [pid 5277] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5277] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5277] munmap(0x7f9497c79000, 138412032) = 0 [pid 5277] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5277] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5277] close(3) = 0 [pid 5277] mkdir("./file0", 0777) = 0 [ 209.923021][ T5277] loop0: detected capacity change from 0 to 4096 [ 209.942964][ T5277] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5277] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5277] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5277] chdir("./file0") = 0 [pid 5277] ioctl(4, LOOP_CLR_FD) = 0 [pid 5277] close(4) = 0 [pid 5277] creat("./file2", 000) = 4 [ 209.979316][ T5277] ntfs: volume version 3.1. [pid 5277] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5277] creat("./file2", 000) = 5 [pid 5277] close(3) = 0 [pid 5277] close(4) = 0 [pid 5277] close(5) = 0 [pid 5277] close(6) = -1 EBADF (Bad file descriptor) [pid 5277] close(7) = -1 EBADF (Bad file descriptor) [pid 5277] close(8) = -1 EBADF (Bad file descriptor) [pid 5277] close(9) = -1 EBADF (Bad file descriptor) [pid 5277] close(10) = -1 EBADF (Bad file descriptor) [pid 5277] close(11) = -1 EBADF (Bad file descriptor) [pid 5277] close(12) = -1 EBADF (Bad file descriptor) [pid 5277] close(13) = -1 EBADF (Bad file descriptor) [pid 5277] close(14) = -1 EBADF (Bad file descriptor) [pid 5277] close(15) = -1 EBADF (Bad file descriptor) [pid 5277] close(16) = -1 EBADF (Bad file descriptor) [pid 5277] close(17) = -1 EBADF (Bad file descriptor) [pid 5277] close(18) = -1 EBADF (Bad file descriptor) [pid 5277] close(19) = -1 EBADF (Bad file descriptor) [pid 5277] close(20) = -1 EBADF (Bad file descriptor) [pid 5277] close(21) = -1 EBADF (Bad file descriptor) [pid 5277] close(22) = -1 EBADF (Bad file descriptor) [pid 5277] close(23) = -1 EBADF (Bad file descriptor) [pid 5277] close(24) = -1 EBADF (Bad file descriptor) [pid 5277] close(25) = -1 EBADF (Bad file descriptor) [pid 5277] close(26) = -1 EBADF (Bad file descriptor) [pid 5277] close(27) = -1 EBADF (Bad file descriptor) [pid 5277] close(28) = -1 EBADF (Bad file descriptor) [pid 5277] close(29) = -1 EBADF (Bad file descriptor) [pid 5277] exit_group(0) = ? [pid 5277] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=208, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] umount2("./206", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./206", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./206/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./206/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./206/cgroup.cpu") = 0 [pid 5062] umount2("./206/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./206/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./206/binderfs") = 0 [pid 5062] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./206/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./206/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./206/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./206/file0") = 0 [pid 5062] umount2("./206/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./206/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./206/cgroup") = 0 [pid 5062] umount2("./206/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./206/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./206/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./206") = 0 [pid 5062] mkdir("./207", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5278 attached [pid 5278] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 209 [pid 5278] <... set_robust_list resumed>) = 0 [pid 5278] chdir("./207") = 0 [pid 5278] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5278] setpgid(0, 0) = 0 [pid 5278] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5278] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5278] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5278] write(3, "1000", 4) = 4 [pid 5278] close(3) = 0 [pid 5278] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5278] memfd_create("syzkaller", 0) = 3 [pid 5278] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5278] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5278] munmap(0x7f9497c79000, 138412032) = 0 [pid 5278] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5278] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5278] close(3) = 0 [pid 5278] mkdir("./file0", 0777) = 0 [ 210.526660][ T5278] loop0: detected capacity change from 0 to 4096 [ 210.552470][ T5278] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5278] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5278] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5278] chdir("./file0") = 0 [pid 5278] ioctl(4, LOOP_CLR_FD) = 0 [pid 5278] close(4) = 0 [ 210.587155][ T5278] ntfs: volume version 3.1. [pid 5278] creat("./file2", 000) = 4 [pid 5278] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5278] creat("./file2", 000) = 5 [pid 5278] close(3) = 0 [pid 5278] close(4) = 0 [pid 5278] close(5) = 0 [pid 5278] close(6) = -1 EBADF (Bad file descriptor) [pid 5278] close(7) = -1 EBADF (Bad file descriptor) [pid 5278] close(8) = -1 EBADF (Bad file descriptor) [pid 5278] close(9) = -1 EBADF (Bad file descriptor) [pid 5278] close(10) = -1 EBADF (Bad file descriptor) [pid 5278] close(11) = -1 EBADF (Bad file descriptor) [pid 5278] close(12) = -1 EBADF (Bad file descriptor) [pid 5278] close(13) = -1 EBADF (Bad file descriptor) [pid 5278] close(14) = -1 EBADF (Bad file descriptor) [pid 5278] close(15) = -1 EBADF (Bad file descriptor) [pid 5278] close(16) = -1 EBADF (Bad file descriptor) [pid 5278] close(17) = -1 EBADF (Bad file descriptor) [pid 5278] close(18) = -1 EBADF (Bad file descriptor) [pid 5278] close(19) = -1 EBADF (Bad file descriptor) [pid 5278] close(20) = -1 EBADF (Bad file descriptor) [pid 5278] close(21) = -1 EBADF (Bad file descriptor) [pid 5278] close(22) = -1 EBADF (Bad file descriptor) [pid 5278] close(23) = -1 EBADF (Bad file descriptor) [pid 5278] close(24) = -1 EBADF (Bad file descriptor) [pid 5278] close(25) = -1 EBADF (Bad file descriptor) [pid 5278] close(26) = -1 EBADF (Bad file descriptor) [pid 5278] close(27) = -1 EBADF (Bad file descriptor) [pid 5278] close(28) = -1 EBADF (Bad file descriptor) [pid 5278] close(29) = -1 EBADF (Bad file descriptor) [pid 5278] exit_group(0) = ? [pid 5278] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=209, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./207", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./207", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./207/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./207/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./207/cgroup.cpu") = 0 [pid 5062] umount2("./207/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./207/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./207/binderfs") = 0 [pid 5062] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./207/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./207/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./207/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./207/file0") = 0 [pid 5062] umount2("./207/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./207/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./207/cgroup") = 0 [pid 5062] umount2("./207/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./207/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./207/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./207") = 0 [pid 5062] mkdir("./208", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5279 attached [pid 5279] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 210 [pid 5279] <... set_robust_list resumed>) = 0 [pid 5279] chdir("./208") = 0 [pid 5279] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5279] setpgid(0, 0) = 0 [pid 5279] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5279] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5279] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5279] write(3, "1000", 4) = 4 [pid 5279] close(3) = 0 [pid 5279] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5279] memfd_create("syzkaller", 0) = 3 [pid 5279] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5279] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5279] munmap(0x7f9497c79000, 138412032) = 0 [pid 5279] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5279] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5279] close(3) = 0 [pid 5279] mkdir("./file0", 0777) = 0 [ 211.176328][ T5279] loop0: detected capacity change from 0 to 4096 [ 211.201671][ T5279] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5279] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5279] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5279] chdir("./file0") = 0 [pid 5279] ioctl(4, LOOP_CLR_FD) = 0 [pid 5279] close(4) = 0 [ 211.237079][ T5279] ntfs: volume version 3.1. [pid 5279] creat("./file2", 000) = 4 [pid 5279] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5279] creat("./file2", 000) = 5 [pid 5279] close(3) = 0 [pid 5279] close(4) = 0 [pid 5279] close(5) = 0 [pid 5279] close(6) = -1 EBADF (Bad file descriptor) [pid 5279] close(7) = -1 EBADF (Bad file descriptor) [pid 5279] close(8) = -1 EBADF (Bad file descriptor) [pid 5279] close(9) = -1 EBADF (Bad file descriptor) [pid 5279] close(10) = -1 EBADF (Bad file descriptor) [pid 5279] close(11) = -1 EBADF (Bad file descriptor) [pid 5279] close(12) = -1 EBADF (Bad file descriptor) [pid 5279] close(13) = -1 EBADF (Bad file descriptor) [pid 5279] close(14) = -1 EBADF (Bad file descriptor) [pid 5279] close(15) = -1 EBADF (Bad file descriptor) [pid 5279] close(16) = -1 EBADF (Bad file descriptor) [pid 5279] close(17) = -1 EBADF (Bad file descriptor) [pid 5279] close(18) = -1 EBADF (Bad file descriptor) [pid 5279] close(19) = -1 EBADF (Bad file descriptor) [pid 5279] close(20) = -1 EBADF (Bad file descriptor) [pid 5279] close(21) = -1 EBADF (Bad file descriptor) [pid 5279] close(22) = -1 EBADF (Bad file descriptor) [pid 5279] close(23) = -1 EBADF (Bad file descriptor) [pid 5279] close(24) = -1 EBADF (Bad file descriptor) [pid 5279] close(25) = -1 EBADF (Bad file descriptor) [pid 5279] close(26) = -1 EBADF (Bad file descriptor) [pid 5279] close(27) = -1 EBADF (Bad file descriptor) [pid 5279] close(28) = -1 EBADF (Bad file descriptor) [pid 5279] close(29) = -1 EBADF (Bad file descriptor) [pid 5279] exit_group(0) = ? [pid 5279] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=210, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] umount2("./208", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./208", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./208/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./208/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./208/cgroup.cpu") = 0 [pid 5062] umount2("./208/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./208/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./208/binderfs") = 0 [pid 5062] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./208/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./208/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./208/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./208/file0") = 0 [pid 5062] umount2("./208/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./208/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./208/cgroup") = 0 [pid 5062] umount2("./208/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./208/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./208/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./208") = 0 [pid 5062] mkdir("./209", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5280 attached [pid 5280] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 211 [pid 5280] <... set_robust_list resumed>) = 0 [pid 5280] chdir("./209") = 0 [pid 5280] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5280] setpgid(0, 0) = 0 [pid 5280] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5280] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5280] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5280] write(3, "1000", 4) = 4 [pid 5280] close(3) = 0 [pid 5280] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5280] memfd_create("syzkaller", 0) = 3 [pid 5280] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5280] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5280] munmap(0x7f9497c79000, 138412032) = 0 [pid 5280] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5280] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5280] close(3) = 0 [pid 5280] mkdir("./file0", 0777) = 0 [ 211.797189][ T5280] loop0: detected capacity change from 0 to 4096 [ 211.818159][ T5280] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5280] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5280] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5280] chdir("./file0") = 0 [pid 5280] ioctl(4, LOOP_CLR_FD) = 0 [ 211.853102][ T5280] ntfs: volume version 3.1. [pid 5280] close(4) = 0 [pid 5280] creat("./file2", 000) = 4 [pid 5280] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5280] creat("./file2", 000) = 5 [pid 5280] close(3) = 0 [pid 5280] close(4) = 0 [pid 5280] close(5) = 0 [pid 5280] close(6) = -1 EBADF (Bad file descriptor) [pid 5280] close(7) = -1 EBADF (Bad file descriptor) [pid 5280] close(8) = -1 EBADF (Bad file descriptor) [pid 5280] close(9) = -1 EBADF (Bad file descriptor) [pid 5280] close(10) = -1 EBADF (Bad file descriptor) [pid 5280] close(11) = -1 EBADF (Bad file descriptor) [pid 5280] close(12) = -1 EBADF (Bad file descriptor) [pid 5280] close(13) = -1 EBADF (Bad file descriptor) [pid 5280] close(14) = -1 EBADF (Bad file descriptor) [pid 5280] close(15) = -1 EBADF (Bad file descriptor) [pid 5280] close(16) = -1 EBADF (Bad file descriptor) [pid 5280] close(17) = -1 EBADF (Bad file descriptor) [pid 5280] close(18) = -1 EBADF (Bad file descriptor) [pid 5280] close(19) = -1 EBADF (Bad file descriptor) [pid 5280] close(20) = -1 EBADF (Bad file descriptor) [pid 5280] close(21) = -1 EBADF (Bad file descriptor) [pid 5280] close(22) = -1 EBADF (Bad file descriptor) [pid 5280] close(23) = -1 EBADF (Bad file descriptor) [pid 5280] close(24) = -1 EBADF (Bad file descriptor) [pid 5280] close(25) = -1 EBADF (Bad file descriptor) [pid 5280] close(26) = -1 EBADF (Bad file descriptor) [pid 5280] close(27) = -1 EBADF (Bad file descriptor) [pid 5280] close(28) = -1 EBADF (Bad file descriptor) [pid 5280] close(29) = -1 EBADF (Bad file descriptor) [pid 5280] exit_group(0) = ? [pid 5280] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=211, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./209", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./209", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./209/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./209/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./209/cgroup.cpu") = 0 [pid 5062] umount2("./209/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./209/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./209/binderfs") = 0 [pid 5062] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./209/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./209/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./209/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./209/file0") = 0 [pid 5062] umount2("./209/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./209/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./209/cgroup") = 0 [pid 5062] umount2("./209/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./209/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./209/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./209") = 0 [pid 5062] mkdir("./210", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5281 attached [pid 5281] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 212 [pid 5281] <... set_robust_list resumed>) = 0 [pid 5281] chdir("./210") = 0 [pid 5281] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5281] setpgid(0, 0) = 0 [pid 5281] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5281] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5281] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5281] write(3, "1000", 4) = 4 [pid 5281] close(3) = 0 [pid 5281] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5281] memfd_create("syzkaller", 0) = 3 [pid 5281] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5281] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5281] munmap(0x7f9497c79000, 138412032) = 0 [pid 5281] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5281] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5281] close(3) = 0 [pid 5281] mkdir("./file0", 0777) = 0 [ 212.459361][ T5281] loop0: detected capacity change from 0 to 4096 [ 212.484518][ T5281] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5281] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5281] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5281] chdir("./file0") = 0 [pid 5281] ioctl(4, LOOP_CLR_FD) = 0 [ 212.519593][ T5281] ntfs: volume version 3.1. [pid 5281] close(4) = 0 [pid 5281] creat("./file2", 000) = 4 [pid 5281] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5281] creat("./file2", 000) = 5 [pid 5281] close(3) = 0 [pid 5281] close(4) = 0 [pid 5281] close(5) = 0 [pid 5281] close(6) = -1 EBADF (Bad file descriptor) [pid 5281] close(7) = -1 EBADF (Bad file descriptor) [pid 5281] close(8) = -1 EBADF (Bad file descriptor) [pid 5281] close(9) = -1 EBADF (Bad file descriptor) [pid 5281] close(10) = -1 EBADF (Bad file descriptor) [pid 5281] close(11) = -1 EBADF (Bad file descriptor) [pid 5281] close(12) = -1 EBADF (Bad file descriptor) [pid 5281] close(13) = -1 EBADF (Bad file descriptor) [pid 5281] close(14) = -1 EBADF (Bad file descriptor) [pid 5281] close(15) = -1 EBADF (Bad file descriptor) [pid 5281] close(16) = -1 EBADF (Bad file descriptor) [pid 5281] close(17) = -1 EBADF (Bad file descriptor) [pid 5281] close(18) = -1 EBADF (Bad file descriptor) [pid 5281] close(19) = -1 EBADF (Bad file descriptor) [pid 5281] close(20) = -1 EBADF (Bad file descriptor) [pid 5281] close(21) = -1 EBADF (Bad file descriptor) [pid 5281] close(22) = -1 EBADF (Bad file descriptor) [pid 5281] close(23) = -1 EBADF (Bad file descriptor) [pid 5281] close(24) = -1 EBADF (Bad file descriptor) [pid 5281] close(25) = -1 EBADF (Bad file descriptor) [pid 5281] close(26) = -1 EBADF (Bad file descriptor) [pid 5281] close(27) = -1 EBADF (Bad file descriptor) [pid 5281] close(28) = -1 EBADF (Bad file descriptor) [pid 5281] close(29) = -1 EBADF (Bad file descriptor) [pid 5281] exit_group(0) = ? [pid 5281] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=212, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5062] umount2("./210", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./210", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./210/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./210/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./210/cgroup.cpu") = 0 [pid 5062] umount2("./210/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./210/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./210/binderfs") = 0 [pid 5062] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./210/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./210/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./210/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./210/file0") = 0 [pid 5062] umount2("./210/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./210/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./210/cgroup") = 0 [pid 5062] umount2("./210/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./210/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./210/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./210") = 0 [pid 5062] mkdir("./211", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5282 attached [pid 5282] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 213 [pid 5282] <... set_robust_list resumed>) = 0 [pid 5282] chdir("./211") = 0 [pid 5282] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5282] setpgid(0, 0) = 0 [pid 5282] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5282] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5282] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5282] write(3, "1000", 4) = 4 [pid 5282] close(3) = 0 [pid 5282] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5282] memfd_create("syzkaller", 0) = 3 [pid 5282] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5282] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5282] munmap(0x7f9497c79000, 138412032) = 0 [pid 5282] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5282] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5282] close(3) = 0 [pid 5282] mkdir("./file0", 0777) = 0 [ 213.182569][ T5282] loop0: detected capacity change from 0 to 4096 [ 213.198116][ T5282] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5282] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5282] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5282] chdir("./file0") = 0 [pid 5282] ioctl(4, LOOP_CLR_FD) = 0 [pid 5282] close(4) = 0 [pid 5282] creat("./file2", 000) = 4 [ 213.233302][ T5282] ntfs: volume version 3.1. [pid 5282] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5282] creat("./file2", 000) = 5 [pid 5282] close(3) = 0 [pid 5282] close(4) = 0 [pid 5282] close(5) = 0 [pid 5282] close(6) = -1 EBADF (Bad file descriptor) [pid 5282] close(7) = -1 EBADF (Bad file descriptor) [pid 5282] close(8) = -1 EBADF (Bad file descriptor) [pid 5282] close(9) = -1 EBADF (Bad file descriptor) [pid 5282] close(10) = -1 EBADF (Bad file descriptor) [pid 5282] close(11) = -1 EBADF (Bad file descriptor) [pid 5282] close(12) = -1 EBADF (Bad file descriptor) [pid 5282] close(13) = -1 EBADF (Bad file descriptor) [pid 5282] close(14) = -1 EBADF (Bad file descriptor) [pid 5282] close(15) = -1 EBADF (Bad file descriptor) [pid 5282] close(16) = -1 EBADF (Bad file descriptor) [pid 5282] close(17) = -1 EBADF (Bad file descriptor) [pid 5282] close(18) = -1 EBADF (Bad file descriptor) [pid 5282] close(19) = -1 EBADF (Bad file descriptor) [pid 5282] close(20) = -1 EBADF (Bad file descriptor) [pid 5282] close(21) = -1 EBADF (Bad file descriptor) [pid 5282] close(22) = -1 EBADF (Bad file descriptor) [pid 5282] close(23) = -1 EBADF (Bad file descriptor) [pid 5282] close(24) = -1 EBADF (Bad file descriptor) [pid 5282] close(25) = -1 EBADF (Bad file descriptor) [pid 5282] close(26) = -1 EBADF (Bad file descriptor) [pid 5282] close(27) = -1 EBADF (Bad file descriptor) [pid 5282] close(28) = -1 EBADF (Bad file descriptor) [pid 5282] close(29) = -1 EBADF (Bad file descriptor) [pid 5282] exit_group(0) = ? [pid 5282] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=213, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./211", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./211", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./211/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./211/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./211/cgroup.cpu") = 0 [pid 5062] umount2("./211/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./211/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./211/binderfs") = 0 [pid 5062] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./211/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./211/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./211/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./211/file0") = 0 [pid 5062] umount2("./211/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./211/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./211/cgroup") = 0 [pid 5062] umount2("./211/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./211/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./211/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./211") = 0 [pid 5062] mkdir("./212", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5283 attached [pid 5283] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 214 [pid 5283] <... set_robust_list resumed>) = 0 [pid 5283] chdir("./212") = 0 [pid 5283] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5283] setpgid(0, 0) = 0 [pid 5283] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5283] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5283] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5283] write(3, "1000", 4) = 4 [pid 5283] close(3) = 0 [pid 5283] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5283] memfd_create("syzkaller", 0) = 3 [pid 5283] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5283] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5283] munmap(0x7f9497c79000, 138412032) = 0 [pid 5283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5283] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5283] close(3) = 0 [pid 5283] mkdir("./file0", 0777) = 0 [ 213.846420][ T5283] loop0: detected capacity change from 0 to 4096 [ 213.859180][ T5283] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5283] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5283] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5283] chdir("./file0") = 0 [pid 5283] ioctl(4, LOOP_CLR_FD) = 0 [pid 5283] close(4) = 0 [pid 5283] creat("./file2", 000) = 4 [ 213.893247][ T5283] ntfs: volume version 3.1. [pid 5283] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5283] creat("./file2", 000) = 5 [pid 5283] close(3) = 0 [pid 5283] close(4) = 0 [pid 5283] close(5) = 0 [pid 5283] close(6) = -1 EBADF (Bad file descriptor) [pid 5283] close(7) = -1 EBADF (Bad file descriptor) [pid 5283] close(8) = -1 EBADF (Bad file descriptor) [pid 5283] close(9) = -1 EBADF (Bad file descriptor) [pid 5283] close(10) = -1 EBADF (Bad file descriptor) [pid 5283] close(11) = -1 EBADF (Bad file descriptor) [pid 5283] close(12) = -1 EBADF (Bad file descriptor) [pid 5283] close(13) = -1 EBADF (Bad file descriptor) [pid 5283] close(14) = -1 EBADF (Bad file descriptor) [pid 5283] close(15) = -1 EBADF (Bad file descriptor) [pid 5283] close(16) = -1 EBADF (Bad file descriptor) [pid 5283] close(17) = -1 EBADF (Bad file descriptor) [pid 5283] close(18) = -1 EBADF (Bad file descriptor) [pid 5283] close(19) = -1 EBADF (Bad file descriptor) [pid 5283] close(20) = -1 EBADF (Bad file descriptor) [pid 5283] close(21) = -1 EBADF (Bad file descriptor) [pid 5283] close(22) = -1 EBADF (Bad file descriptor) [pid 5283] close(23) = -1 EBADF (Bad file descriptor) [pid 5283] close(24) = -1 EBADF (Bad file descriptor) [pid 5283] close(25) = -1 EBADF (Bad file descriptor) [pid 5283] close(26) = -1 EBADF (Bad file descriptor) [pid 5283] close(27) = -1 EBADF (Bad file descriptor) [pid 5283] close(28) = -1 EBADF (Bad file descriptor) [pid 5283] close(29) = -1 EBADF (Bad file descriptor) [pid 5283] exit_group(0) = ? [pid 5283] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=214, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5062] umount2("./212", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./212", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./212/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./212/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./212/cgroup.cpu") = 0 [pid 5062] umount2("./212/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./212/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./212/binderfs") = 0 [pid 5062] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./212/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./212/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./212/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./212/file0") = 0 [pid 5062] umount2("./212/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./212/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./212/cgroup") = 0 [pid 5062] umount2("./212/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./212/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./212/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./212") = 0 [pid 5062] mkdir("./213", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5284 attached , child_tidptr=0x555556e8b650) = 215 [pid 5284] set_robust_list(0x555556e8b660, 24) = 0 [pid 5284] chdir("./213") = 0 [pid 5284] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5284] setpgid(0, 0) = 0 [pid 5284] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5284] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5284] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5284] write(3, "1000", 4) = 4 [pid 5284] close(3) = 0 [pid 5284] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5284] memfd_create("syzkaller", 0) = 3 [pid 5284] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5284] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5284] munmap(0x7f9497c79000, 138412032) = 0 [pid 5284] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5284] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5284] close(3) = 0 [pid 5284] mkdir("./file0", 0777) = 0 [ 214.556982][ T5284] loop0: detected capacity change from 0 to 4096 [ 214.581920][ T5284] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5284] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5284] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5284] chdir("./file0") = 0 [pid 5284] ioctl(4, LOOP_CLR_FD) = 0 [ 214.616485][ T5284] ntfs: volume version 3.1. [pid 5284] close(4) = 0 [pid 5284] creat("./file2", 000) = 4 [pid 5284] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5284] creat("./file2", 000) = 5 [pid 5284] close(3) = 0 [pid 5284] close(4) = 0 [pid 5284] close(5) = 0 [pid 5284] close(6) = -1 EBADF (Bad file descriptor) [pid 5284] close(7) = -1 EBADF (Bad file descriptor) [pid 5284] close(8) = -1 EBADF (Bad file descriptor) [pid 5284] close(9) = -1 EBADF (Bad file descriptor) [pid 5284] close(10) = -1 EBADF (Bad file descriptor) [pid 5284] close(11) = -1 EBADF (Bad file descriptor) [pid 5284] close(12) = -1 EBADF (Bad file descriptor) [pid 5284] close(13) = -1 EBADF (Bad file descriptor) [pid 5284] close(14) = -1 EBADF (Bad file descriptor) [pid 5284] close(15) = -1 EBADF (Bad file descriptor) [pid 5284] close(16) = -1 EBADF (Bad file descriptor) [pid 5284] close(17) = -1 EBADF (Bad file descriptor) [pid 5284] close(18) = -1 EBADF (Bad file descriptor) [pid 5284] close(19) = -1 EBADF (Bad file descriptor) [pid 5284] close(20) = -1 EBADF (Bad file descriptor) [pid 5284] close(21) = -1 EBADF (Bad file descriptor) [pid 5284] close(22) = -1 EBADF (Bad file descriptor) [pid 5284] close(23) = -1 EBADF (Bad file descriptor) [pid 5284] close(24) = -1 EBADF (Bad file descriptor) [pid 5284] close(25) = -1 EBADF (Bad file descriptor) [pid 5284] close(26) = -1 EBADF (Bad file descriptor) [pid 5284] close(27) = -1 EBADF (Bad file descriptor) [pid 5284] close(28) = -1 EBADF (Bad file descriptor) [pid 5284] close(29) = -1 EBADF (Bad file descriptor) [pid 5284] exit_group(0) = ? [pid 5284] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=215, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5062] umount2("./213", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./213", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./213/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./213/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./213/cgroup.cpu") = 0 [pid 5062] umount2("./213/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./213/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./213/binderfs") = 0 [pid 5062] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./213/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./213/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./213/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./213/file0") = 0 [pid 5062] umount2("./213/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./213/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./213/cgroup") = 0 [pid 5062] umount2("./213/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./213/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./213/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./213") = 0 [pid 5062] mkdir("./214", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5285 attached [pid 5285] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 216 [pid 5285] <... set_robust_list resumed>) = 0 [pid 5285] chdir("./214") = 0 [pid 5285] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5285] setpgid(0, 0) = 0 [pid 5285] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5285] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5285] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5285] write(3, "1000", 4) = 4 [pid 5285] close(3) = 0 [pid 5285] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5285] memfd_create("syzkaller", 0) = 3 [pid 5285] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5285] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5285] munmap(0x7f9497c79000, 138412032) = 0 [pid 5285] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5285] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5285] close(3) = 0 [pid 5285] mkdir("./file0", 0777) = 0 [ 215.251052][ T5285] loop0: detected capacity change from 0 to 4096 [pid 5285] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5285] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5285] chdir("./file0") = 0 [pid 5285] ioctl(4, LOOP_CLR_FD) = 0 [pid 5285] close(4) = 0 [pid 5285] creat("./file2", 000) = 4 [ 215.283405][ T5285] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [ 215.317568][ T5285] ntfs: volume version 3.1. [pid 5285] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5285] creat("./file2", 000) = 5 [pid 5285] close(3) = 0 [pid 5285] close(4) = 0 [pid 5285] close(5) = 0 [pid 5285] close(6) = -1 EBADF (Bad file descriptor) [pid 5285] close(7) = -1 EBADF (Bad file descriptor) [pid 5285] close(8) = -1 EBADF (Bad file descriptor) [pid 5285] close(9) = -1 EBADF (Bad file descriptor) [pid 5285] close(10) = -1 EBADF (Bad file descriptor) [pid 5285] close(11) = -1 EBADF (Bad file descriptor) [pid 5285] close(12) = -1 EBADF (Bad file descriptor) [pid 5285] close(13) = -1 EBADF (Bad file descriptor) [pid 5285] close(14) = -1 EBADF (Bad file descriptor) [pid 5285] close(15) = -1 EBADF (Bad file descriptor) [pid 5285] close(16) = -1 EBADF (Bad file descriptor) [pid 5285] close(17) = -1 EBADF (Bad file descriptor) [pid 5285] close(18) = -1 EBADF (Bad file descriptor) [pid 5285] close(19) = -1 EBADF (Bad file descriptor) [pid 5285] close(20) = -1 EBADF (Bad file descriptor) [pid 5285] close(21) = -1 EBADF (Bad file descriptor) [pid 5285] close(22) = -1 EBADF (Bad file descriptor) [pid 5285] close(23) = -1 EBADF (Bad file descriptor) [pid 5285] close(24) = -1 EBADF (Bad file descriptor) [pid 5285] close(25) = -1 EBADF (Bad file descriptor) [pid 5285] close(26) = -1 EBADF (Bad file descriptor) [pid 5285] close(27) = -1 EBADF (Bad file descriptor) [pid 5285] close(28) = -1 EBADF (Bad file descriptor) [pid 5285] close(29) = -1 EBADF (Bad file descriptor) [pid 5285] exit_group(0) = ? [pid 5285] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=216, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./214", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./214", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./214/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./214/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./214/cgroup.cpu") = 0 [pid 5062] umount2("./214/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./214/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./214/binderfs") = 0 [pid 5062] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./214/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./214/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./214/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./214/file0") = 0 [pid 5062] umount2("./214/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./214/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./214/cgroup") = 0 [pid 5062] umount2("./214/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./214/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./214/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./214") = 0 [pid 5062] mkdir("./215", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5286 attached , child_tidptr=0x555556e8b650) = 217 [pid 5286] set_robust_list(0x555556e8b660, 24) = 0 [pid 5286] chdir("./215") = 0 [pid 5286] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5286] setpgid(0, 0) = 0 [pid 5286] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5286] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5286] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5286] write(3, "1000", 4) = 4 [pid 5286] close(3) = 0 [pid 5286] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5286] memfd_create("syzkaller", 0) = 3 [pid 5286] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5286] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5286] munmap(0x7f9497c79000, 138412032) = 0 [pid 5286] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5286] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5286] close(3) = 0 [pid 5286] mkdir("./file0", 0777) = 0 [ 215.909381][ T5286] loop0: detected capacity change from 0 to 4096 [ 215.929084][ T5286] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5286] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5286] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5286] chdir("./file0") = 0 [pid 5286] ioctl(4, LOOP_CLR_FD) = 0 [pid 5286] close(4) = 0 [ 215.964238][ T5286] ntfs: volume version 3.1. [pid 5286] creat("./file2", 000) = 4 [pid 5286] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5286] creat("./file2", 000) = 5 [pid 5286] close(3) = 0 [pid 5286] close(4) = 0 [pid 5286] close(5) = 0 [pid 5286] close(6) = -1 EBADF (Bad file descriptor) [pid 5286] close(7) = -1 EBADF (Bad file descriptor) [pid 5286] close(8) = -1 EBADF (Bad file descriptor) [pid 5286] close(9) = -1 EBADF (Bad file descriptor) [pid 5286] close(10) = -1 EBADF (Bad file descriptor) [pid 5286] close(11) = -1 EBADF (Bad file descriptor) [pid 5286] close(12) = -1 EBADF (Bad file descriptor) [pid 5286] close(13) = -1 EBADF (Bad file descriptor) [pid 5286] close(14) = -1 EBADF (Bad file descriptor) [pid 5286] close(15) = -1 EBADF (Bad file descriptor) [pid 5286] close(16) = -1 EBADF (Bad file descriptor) [pid 5286] close(17) = -1 EBADF (Bad file descriptor) [pid 5286] close(18) = -1 EBADF (Bad file descriptor) [pid 5286] close(19) = -1 EBADF (Bad file descriptor) [pid 5286] close(20) = -1 EBADF (Bad file descriptor) [pid 5286] close(21) = -1 EBADF (Bad file descriptor) [pid 5286] close(22) = -1 EBADF (Bad file descriptor) [pid 5286] close(23) = -1 EBADF (Bad file descriptor) [pid 5286] close(24) = -1 EBADF (Bad file descriptor) [pid 5286] close(25) = -1 EBADF (Bad file descriptor) [pid 5286] close(26) = -1 EBADF (Bad file descriptor) [pid 5286] close(27) = -1 EBADF (Bad file descriptor) [pid 5286] close(28) = -1 EBADF (Bad file descriptor) [pid 5286] close(29) = -1 EBADF (Bad file descriptor) [pid 5286] exit_group(0) = ? [pid 5286] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=217, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5062] umount2("./215", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./215", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./215/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./215/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./215/cgroup.cpu") = 0 [pid 5062] umount2("./215/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./215/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./215/binderfs") = 0 [pid 5062] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./215/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./215/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./215/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./215/file0") = 0 [pid 5062] umount2("./215/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./215/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./215/cgroup") = 0 [pid 5062] umount2("./215/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./215/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./215/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./215") = 0 [pid 5062] mkdir("./216", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5287 attached [pid 5287] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 218 [pid 5287] <... set_robust_list resumed>) = 0 [pid 5287] chdir("./216") = 0 [pid 5287] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5287] setpgid(0, 0) = 0 [pid 5287] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5287] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5287] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5287] write(3, "1000", 4) = 4 [pid 5287] close(3) = 0 [pid 5287] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5287] memfd_create("syzkaller", 0) = 3 [pid 5287] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5287] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5287] munmap(0x7f9497c79000, 138412032) = 0 [pid 5287] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5287] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5287] close(3) = 0 [pid 5287] mkdir("./file0", 0777) = 0 [ 216.580602][ T5287] loop0: detected capacity change from 0 to 4096 [ 216.594746][ T5287] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5287] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5287] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5287] chdir("./file0") = 0 [pid 5287] ioctl(4, LOOP_CLR_FD) = 0 [pid 5287] close(4) = 0 [ 216.627036][ T5287] ntfs: volume version 3.1. [pid 5287] creat("./file2", 000) = 4 [pid 5287] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5287] creat("./file2", 000) = 5 [pid 5287] close(3) = 0 [pid 5287] close(4) = 0 [pid 5287] close(5) = 0 [pid 5287] close(6) = -1 EBADF (Bad file descriptor) [pid 5287] close(7) = -1 EBADF (Bad file descriptor) [pid 5287] close(8) = -1 EBADF (Bad file descriptor) [pid 5287] close(9) = -1 EBADF (Bad file descriptor) [pid 5287] close(10) = -1 EBADF (Bad file descriptor) [pid 5287] close(11) = -1 EBADF (Bad file descriptor) [pid 5287] close(12) = -1 EBADF (Bad file descriptor) [pid 5287] close(13) = -1 EBADF (Bad file descriptor) [pid 5287] close(14) = -1 EBADF (Bad file descriptor) [pid 5287] close(15) = -1 EBADF (Bad file descriptor) [pid 5287] close(16) = -1 EBADF (Bad file descriptor) [pid 5287] close(17) = -1 EBADF (Bad file descriptor) [pid 5287] close(18) = -1 EBADF (Bad file descriptor) [pid 5287] close(19) = -1 EBADF (Bad file descriptor) [pid 5287] close(20) = -1 EBADF (Bad file descriptor) [pid 5287] close(21) = -1 EBADF (Bad file descriptor) [pid 5287] close(22) = -1 EBADF (Bad file descriptor) [pid 5287] close(23) = -1 EBADF (Bad file descriptor) [pid 5287] close(24) = -1 EBADF (Bad file descriptor) [pid 5287] close(25) = -1 EBADF (Bad file descriptor) [pid 5287] close(26) = -1 EBADF (Bad file descriptor) [pid 5287] close(27) = -1 EBADF (Bad file descriptor) [pid 5287] close(28) = -1 EBADF (Bad file descriptor) [pid 5287] close(29) = -1 EBADF (Bad file descriptor) [pid 5287] exit_group(0) = ? [pid 5287] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=218, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5062] umount2("./216", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./216", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./216/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./216/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./216/cgroup.cpu") = 0 [pid 5062] umount2("./216/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./216/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./216/binderfs") = 0 [pid 5062] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./216/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./216/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./216/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./216/file0") = 0 [pid 5062] umount2("./216/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./216/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./216/cgroup") = 0 [pid 5062] umount2("./216/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./216/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./216/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./216") = 0 [pid 5062] mkdir("./217", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5288 attached [pid 5288] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 219 [pid 5288] <... set_robust_list resumed>) = 0 [pid 5288] chdir("./217") = 0 [pid 5288] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5288] setpgid(0, 0) = 0 [pid 5288] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5288] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5288] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5288] write(3, "1000", 4) = 4 [pid 5288] close(3) = 0 [pid 5288] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5288] memfd_create("syzkaller", 0) = 3 [pid 5288] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5288] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5288] munmap(0x7f9497c79000, 138412032) = 0 [pid 5288] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5288] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5288] close(3) = 0 [pid 5288] mkdir("./file0", 0777) = 0 [ 217.177595][ T5288] loop0: detected capacity change from 0 to 4096 [ 217.193246][ T5288] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5288] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5288] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5288] chdir("./file0") = 0 [pid 5288] ioctl(4, LOOP_CLR_FD) = 0 [pid 5288] close(4) = 0 [pid 5288] creat("./file2", 000) = 4 [ 217.224776][ T5288] ntfs: volume version 3.1. [pid 5288] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5288] creat("./file2", 000) = 5 [pid 5288] close(3) = 0 [pid 5288] close(4) = 0 [pid 5288] close(5) = 0 [pid 5288] close(6) = -1 EBADF (Bad file descriptor) [pid 5288] close(7) = -1 EBADF (Bad file descriptor) [pid 5288] close(8) = -1 EBADF (Bad file descriptor) [pid 5288] close(9) = -1 EBADF (Bad file descriptor) [pid 5288] close(10) = -1 EBADF (Bad file descriptor) [pid 5288] close(11) = -1 EBADF (Bad file descriptor) [pid 5288] close(12) = -1 EBADF (Bad file descriptor) [pid 5288] close(13) = -1 EBADF (Bad file descriptor) [pid 5288] close(14) = -1 EBADF (Bad file descriptor) [pid 5288] close(15) = -1 EBADF (Bad file descriptor) [pid 5288] close(16) = -1 EBADF (Bad file descriptor) [pid 5288] close(17) = -1 EBADF (Bad file descriptor) [pid 5288] close(18) = -1 EBADF (Bad file descriptor) [pid 5288] close(19) = -1 EBADF (Bad file descriptor) [pid 5288] close(20) = -1 EBADF (Bad file descriptor) [pid 5288] close(21) = -1 EBADF (Bad file descriptor) [pid 5288] close(22) = -1 EBADF (Bad file descriptor) [pid 5288] close(23) = -1 EBADF (Bad file descriptor) [pid 5288] close(24) = -1 EBADF (Bad file descriptor) [pid 5288] close(25) = -1 EBADF (Bad file descriptor) [pid 5288] close(26) = -1 EBADF (Bad file descriptor) [pid 5288] close(27) = -1 EBADF (Bad file descriptor) [pid 5288] close(28) = -1 EBADF (Bad file descriptor) [pid 5288] close(29) = -1 EBADF (Bad file descriptor) [pid 5288] exit_group(0) = ? [pid 5288] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=219, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5062] umount2("./217", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./217", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./217/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./217/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./217/cgroup.cpu") = 0 [pid 5062] umount2("./217/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./217/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./217/binderfs") = 0 [pid 5062] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./217/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./217/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./217/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./217/file0") = 0 [pid 5062] umount2("./217/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./217/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./217/cgroup") = 0 [pid 5062] umount2("./217/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./217/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./217/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./217") = 0 [pid 5062] mkdir("./218", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5289 attached [pid 5289] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 220 [pid 5289] <... set_robust_list resumed>) = 0 [pid 5289] chdir("./218") = 0 [pid 5289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5289] setpgid(0, 0) = 0 [pid 5289] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5289] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5289] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5289] write(3, "1000", 4) = 4 [pid 5289] close(3) = 0 [pid 5289] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5289] memfd_create("syzkaller", 0) = 3 [pid 5289] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5289] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5289] munmap(0x7f9497c79000, 138412032) = 0 [pid 5289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5289] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5289] close(3) = 0 [pid 5289] mkdir("./file0", 0777) = 0 [ 217.811401][ T5289] loop0: detected capacity change from 0 to 4096 [ 217.833164][ T5289] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5289] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5289] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5289] chdir("./file0") = 0 [pid 5289] ioctl(4, LOOP_CLR_FD) = 0 [pid 5289] close(4) = 0 [pid 5289] creat("./file2", 000) = 4 [ 217.865490][ T5289] ntfs: volume version 3.1. [pid 5289] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5289] creat("./file2", 000) = 5 [pid 5289] close(3) = 0 [pid 5289] close(4) = 0 [pid 5289] close(5) = 0 [pid 5289] close(6) = -1 EBADF (Bad file descriptor) [pid 5289] close(7) = -1 EBADF (Bad file descriptor) [pid 5289] close(8) = -1 EBADF (Bad file descriptor) [pid 5289] close(9) = -1 EBADF (Bad file descriptor) [pid 5289] close(10) = -1 EBADF (Bad file descriptor) [pid 5289] close(11) = -1 EBADF (Bad file descriptor) [pid 5289] close(12) = -1 EBADF (Bad file descriptor) [pid 5289] close(13) = -1 EBADF (Bad file descriptor) [pid 5289] close(14) = -1 EBADF (Bad file descriptor) [pid 5289] close(15) = -1 EBADF (Bad file descriptor) [pid 5289] close(16) = -1 EBADF (Bad file descriptor) [pid 5289] close(17) = -1 EBADF (Bad file descriptor) [pid 5289] close(18) = -1 EBADF (Bad file descriptor) [pid 5289] close(19) = -1 EBADF (Bad file descriptor) [pid 5289] close(20) = -1 EBADF (Bad file descriptor) [pid 5289] close(21) = -1 EBADF (Bad file descriptor) [pid 5289] close(22) = -1 EBADF (Bad file descriptor) [pid 5289] close(23) = -1 EBADF (Bad file descriptor) [pid 5289] close(24) = -1 EBADF (Bad file descriptor) [pid 5289] close(25) = -1 EBADF (Bad file descriptor) [pid 5289] close(26) = -1 EBADF (Bad file descriptor) [pid 5289] close(27) = -1 EBADF (Bad file descriptor) [pid 5289] close(28) = -1 EBADF (Bad file descriptor) [pid 5289] close(29) = -1 EBADF (Bad file descriptor) [pid 5289] exit_group(0) = ? [pid 5289] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=220, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./218", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./218", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./218/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./218/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./218/cgroup.cpu") = 0 [pid 5062] umount2("./218/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./218/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./218/binderfs") = 0 [pid 5062] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./218/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./218/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./218/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./218/file0") = 0 [pid 5062] umount2("./218/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./218/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./218/cgroup") = 0 [pid 5062] umount2("./218/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./218/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./218/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./218") = 0 [pid 5062] mkdir("./219", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5290 attached [pid 5290] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 221 [pid 5290] <... set_robust_list resumed>) = 0 [pid 5290] chdir("./219") = 0 [pid 5290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5290] setpgid(0, 0) = 0 [pid 5290] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5290] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5290] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5290] write(3, "1000", 4) = 4 [pid 5290] close(3) = 0 [pid 5290] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5290] memfd_create("syzkaller", 0) = 3 [pid 5290] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5290] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5290] munmap(0x7f9497c79000, 138412032) = 0 [pid 5290] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5290] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5290] close(3) = 0 [pid 5290] mkdir("./file0", 0777) = 0 [ 218.507154][ T5290] loop0: detected capacity change from 0 to 4096 [ 218.534209][ T5290] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5290] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5290] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5290] chdir("./file0") = 0 [pid 5290] ioctl(4, LOOP_CLR_FD) = 0 [pid 5290] close(4) = 0 [ 218.570774][ T5290] ntfs: volume version 3.1. [pid 5290] creat("./file2", 000) = 4 [pid 5290] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5290] creat("./file2", 000) = 5 [pid 5290] close(3) = 0 [pid 5290] close(4) = 0 [pid 5290] close(5) = 0 [pid 5290] close(6) = -1 EBADF (Bad file descriptor) [pid 5290] close(7) = -1 EBADF (Bad file descriptor) [pid 5290] close(8) = -1 EBADF (Bad file descriptor) [pid 5290] close(9) = -1 EBADF (Bad file descriptor) [pid 5290] close(10) = -1 EBADF (Bad file descriptor) [pid 5290] close(11) = -1 EBADF (Bad file descriptor) [pid 5290] close(12) = -1 EBADF (Bad file descriptor) [pid 5290] close(13) = -1 EBADF (Bad file descriptor) [pid 5290] close(14) = -1 EBADF (Bad file descriptor) [pid 5290] close(15) = -1 EBADF (Bad file descriptor) [pid 5290] close(16) = -1 EBADF (Bad file descriptor) [pid 5290] close(17) = -1 EBADF (Bad file descriptor) [pid 5290] close(18) = -1 EBADF (Bad file descriptor) [pid 5290] close(19) = -1 EBADF (Bad file descriptor) [pid 5290] close(20) = -1 EBADF (Bad file descriptor) [pid 5290] close(21) = -1 EBADF (Bad file descriptor) [pid 5290] close(22) = -1 EBADF (Bad file descriptor) [pid 5290] close(23) = -1 EBADF (Bad file descriptor) [pid 5290] close(24) = -1 EBADF (Bad file descriptor) [pid 5290] close(25) = -1 EBADF (Bad file descriptor) [pid 5290] close(26) = -1 EBADF (Bad file descriptor) [pid 5290] close(27) = -1 EBADF (Bad file descriptor) [pid 5290] close(28) = -1 EBADF (Bad file descriptor) [pid 5290] close(29) = -1 EBADF (Bad file descriptor) [pid 5290] exit_group(0) = ? [pid 5290] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=221, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./219", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./219", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./219/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./219/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./219/cgroup.cpu") = 0 [pid 5062] umount2("./219/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./219/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./219/binderfs") = 0 [pid 5062] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./219/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./219/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./219/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./219/file0") = 0 [pid 5062] umount2("./219/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./219/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./219/cgroup") = 0 [pid 5062] umount2("./219/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./219/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./219/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./219") = 0 [pid 5062] mkdir("./220", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5291 attached [pid 5291] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 222 [pid 5291] <... set_robust_list resumed>) = 0 [pid 5291] chdir("./220") = 0 [pid 5291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5291] setpgid(0, 0) = 0 [pid 5291] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5291] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5291] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5291] write(3, "1000", 4) = 4 [pid 5291] close(3) = 0 [pid 5291] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5291] memfd_create("syzkaller", 0) = 3 [pid 5291] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5291] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5291] munmap(0x7f9497c79000, 138412032) = 0 [pid 5291] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5291] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5291] close(3) = 0 [pid 5291] mkdir("./file0", 0777) = 0 [ 219.174767][ T5291] loop0: detected capacity change from 0 to 4096 [ 219.188555][ T5291] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5291] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5291] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5291] chdir("./file0") = 0 [pid 5291] ioctl(4, LOOP_CLR_FD) = 0 [pid 5291] close(4) = 0 [pid 5291] creat("./file2", 000) = 4 [ 219.222357][ T5291] ntfs: volume version 3.1. [pid 5291] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5291] creat("./file2", 000) = 5 [pid 5291] close(3) = 0 [pid 5291] close(4) = 0 [pid 5291] close(5) = 0 [pid 5291] close(6) = -1 EBADF (Bad file descriptor) [pid 5291] close(7) = -1 EBADF (Bad file descriptor) [pid 5291] close(8) = -1 EBADF (Bad file descriptor) [pid 5291] close(9) = -1 EBADF (Bad file descriptor) [pid 5291] close(10) = -1 EBADF (Bad file descriptor) [pid 5291] close(11) = -1 EBADF (Bad file descriptor) [pid 5291] close(12) = -1 EBADF (Bad file descriptor) [pid 5291] close(13) = -1 EBADF (Bad file descriptor) [pid 5291] close(14) = -1 EBADF (Bad file descriptor) [pid 5291] close(15) = -1 EBADF (Bad file descriptor) [pid 5291] close(16) = -1 EBADF (Bad file descriptor) [pid 5291] close(17) = -1 EBADF (Bad file descriptor) [pid 5291] close(18) = -1 EBADF (Bad file descriptor) [pid 5291] close(19) = -1 EBADF (Bad file descriptor) [pid 5291] close(20) = -1 EBADF (Bad file descriptor) [pid 5291] close(21) = -1 EBADF (Bad file descriptor) [pid 5291] close(22) = -1 EBADF (Bad file descriptor) [pid 5291] close(23) = -1 EBADF (Bad file descriptor) [pid 5291] close(24) = -1 EBADF (Bad file descriptor) [pid 5291] close(25) = -1 EBADF (Bad file descriptor) [pid 5291] close(26) = -1 EBADF (Bad file descriptor) [pid 5291] close(27) = -1 EBADF (Bad file descriptor) [pid 5291] close(28) = -1 EBADF (Bad file descriptor) [pid 5291] close(29) = -1 EBADF (Bad file descriptor) [pid 5291] exit_group(0) = ? [pid 5291] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=222, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5062] umount2("./220", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./220", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./220/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./220/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./220/cgroup.cpu") = 0 [pid 5062] umount2("./220/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./220/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./220/binderfs") = 0 [pid 5062] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./220/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./220/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./220/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./220/file0") = 0 [pid 5062] umount2("./220/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./220/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./220/cgroup") = 0 [pid 5062] umount2("./220/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./220/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./220/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./220") = 0 [pid 5062] mkdir("./221", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5292 attached [pid 5292] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 223 [pid 5292] <... set_robust_list resumed>) = 0 [pid 5292] chdir("./221") = 0 [pid 5292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5292] setpgid(0, 0) = 0 [pid 5292] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5292] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5292] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5292] write(3, "1000", 4) = 4 [pid 5292] close(3) = 0 [pid 5292] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5292] memfd_create("syzkaller", 0) = 3 [pid 5292] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5292] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5292] munmap(0x7f9497c79000, 138412032) = 0 [pid 5292] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5292] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5292] close(3) = 0 [pid 5292] mkdir("./file0", 0777) = 0 [ 219.850406][ T5292] loop0: detected capacity change from 0 to 4096 [ 219.864721][ T5292] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5292] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5292] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5292] chdir("./file0") = 0 [pid 5292] ioctl(4, LOOP_CLR_FD) = 0 [pid 5292] close(4) = 0 [pid 5292] creat("./file2", 000) = 4 [ 219.897481][ T5292] ntfs: volume version 3.1. [pid 5292] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5292] creat("./file2", 000) = 5 [pid 5292] close(3) = 0 [pid 5292] close(4) = 0 [pid 5292] close(5) = 0 [pid 5292] close(6) = -1 EBADF (Bad file descriptor) [pid 5292] close(7) = -1 EBADF (Bad file descriptor) [pid 5292] close(8) = -1 EBADF (Bad file descriptor) [pid 5292] close(9) = -1 EBADF (Bad file descriptor) [pid 5292] close(10) = -1 EBADF (Bad file descriptor) [pid 5292] close(11) = -1 EBADF (Bad file descriptor) [pid 5292] close(12) = -1 EBADF (Bad file descriptor) [pid 5292] close(13) = -1 EBADF (Bad file descriptor) [pid 5292] close(14) = -1 EBADF (Bad file descriptor) [pid 5292] close(15) = -1 EBADF (Bad file descriptor) [pid 5292] close(16) = -1 EBADF (Bad file descriptor) [pid 5292] close(17) = -1 EBADF (Bad file descriptor) [pid 5292] close(18) = -1 EBADF (Bad file descriptor) [pid 5292] close(19) = -1 EBADF (Bad file descriptor) [pid 5292] close(20) = -1 EBADF (Bad file descriptor) [pid 5292] close(21) = -1 EBADF (Bad file descriptor) [pid 5292] close(22) = -1 EBADF (Bad file descriptor) [pid 5292] close(23) = -1 EBADF (Bad file descriptor) [pid 5292] close(24) = -1 EBADF (Bad file descriptor) [pid 5292] close(25) = -1 EBADF (Bad file descriptor) [pid 5292] close(26) = -1 EBADF (Bad file descriptor) [pid 5292] close(27) = -1 EBADF (Bad file descriptor) [pid 5292] close(28) = -1 EBADF (Bad file descriptor) [pid 5292] close(29) = -1 EBADF (Bad file descriptor) [pid 5292] exit_group(0) = ? [pid 5292] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=223, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./221", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./221", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./221/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./221/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./221/cgroup.cpu") = 0 [pid 5062] umount2("./221/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./221/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./221/binderfs") = 0 [pid 5062] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./221/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./221/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./221/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./221/file0") = 0 [pid 5062] umount2("./221/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./221/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./221/cgroup") = 0 [pid 5062] umount2("./221/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./221/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./221/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./221") = 0 [pid 5062] mkdir("./222", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5293 attached , child_tidptr=0x555556e8b650) = 224 [pid 5293] set_robust_list(0x555556e8b660, 24) = 0 [pid 5293] chdir("./222") = 0 [pid 5293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5293] setpgid(0, 0) = 0 [pid 5293] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5293] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5293] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5293] write(3, "1000", 4) = 4 [pid 5293] close(3) = 0 [pid 5293] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5293] memfd_create("syzkaller", 0) = 3 [pid 5293] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5293] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5293] munmap(0x7f9497c79000, 138412032) = 0 [pid 5293] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5293] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5293] close(3) = 0 [pid 5293] mkdir("./file0", 0777) = 0 [pid 5293] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5293] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5293] chdir("./file0") = 0 [ 220.574202][ T5293] loop0: detected capacity change from 0 to 4096 [ 220.584764][ T5293] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [ 220.617008][ T5293] ntfs: volume version 3.1. [pid 5293] ioctl(4, LOOP_CLR_FD) = 0 [pid 5293] close(4) = 0 [pid 5293] creat("./file2", 000) = 4 [pid 5293] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5293] creat("./file2", 000) = 5 [pid 5293] close(3) = 0 [pid 5293] close(4) = 0 [pid 5293] close(5) = 0 [pid 5293] close(6) = -1 EBADF (Bad file descriptor) [pid 5293] close(7) = -1 EBADF (Bad file descriptor) [pid 5293] close(8) = -1 EBADF (Bad file descriptor) [pid 5293] close(9) = -1 EBADF (Bad file descriptor) [pid 5293] close(10) = -1 EBADF (Bad file descriptor) [pid 5293] close(11) = -1 EBADF (Bad file descriptor) [pid 5293] close(12) = -1 EBADF (Bad file descriptor) [pid 5293] close(13) = -1 EBADF (Bad file descriptor) [pid 5293] close(14) = -1 EBADF (Bad file descriptor) [pid 5293] close(15) = -1 EBADF (Bad file descriptor) [pid 5293] close(16) = -1 EBADF (Bad file descriptor) [pid 5293] close(17) = -1 EBADF (Bad file descriptor) [pid 5293] close(18) = -1 EBADF (Bad file descriptor) [pid 5293] close(19) = -1 EBADF (Bad file descriptor) [pid 5293] close(20) = -1 EBADF (Bad file descriptor) [pid 5293] close(21) = -1 EBADF (Bad file descriptor) [pid 5293] close(22) = -1 EBADF (Bad file descriptor) [pid 5293] close(23) = -1 EBADF (Bad file descriptor) [pid 5293] close(24) = -1 EBADF (Bad file descriptor) [pid 5293] close(25) = -1 EBADF (Bad file descriptor) [pid 5293] close(26) = -1 EBADF (Bad file descriptor) [pid 5293] close(27) = -1 EBADF (Bad file descriptor) [pid 5293] close(28) = -1 EBADF (Bad file descriptor) [pid 5293] close(29) = -1 EBADF (Bad file descriptor) [pid 5293] exit_group(0) = ? [pid 5293] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=224, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5062] umount2("./222", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./222", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./222/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./222/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./222/cgroup.cpu") = 0 [pid 5062] umount2("./222/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./222/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./222/binderfs") = 0 [pid 5062] umount2("./222/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./222/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./222/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./222/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./222/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./222/file0") = 0 [pid 5062] umount2("./222/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./222/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./222/cgroup") = 0 [pid 5062] umount2("./222/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./222/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./222/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./222") = 0 [pid 5062] mkdir("./223", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5294 attached , child_tidptr=0x555556e8b650) = 225 [pid 5294] set_robust_list(0x555556e8b660, 24) = 0 [pid 5294] chdir("./223") = 0 [pid 5294] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5294] setpgid(0, 0) = 0 [pid 5294] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5294] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5294] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5294] write(3, "1000", 4) = 4 [pid 5294] close(3) = 0 [pid 5294] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5294] memfd_create("syzkaller", 0) = 3 [pid 5294] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5294] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5294] munmap(0x7f9497c79000, 138412032) = 0 [pid 5294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5294] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5294] close(3) = 0 [pid 5294] mkdir("./file0", 0777) = 0 [ 221.259065][ T5294] loop0: detected capacity change from 0 to 4096 [ 221.281539][ T5294] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5294] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5294] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5294] chdir("./file0") = 0 [pid 5294] ioctl(4, LOOP_CLR_FD) = 0 [pid 5294] close(4) = 0 [pid 5294] creat("./file2", 000) = 4 [ 221.316150][ T5294] ntfs: volume version 3.1. [pid 5294] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5294] creat("./file2", 000) = 5 [pid 5294] close(3) = 0 [pid 5294] close(4) = 0 [pid 5294] close(5) = 0 [pid 5294] close(6) = -1 EBADF (Bad file descriptor) [pid 5294] close(7) = -1 EBADF (Bad file descriptor) [pid 5294] close(8) = -1 EBADF (Bad file descriptor) [pid 5294] close(9) = -1 EBADF (Bad file descriptor) [pid 5294] close(10) = -1 EBADF (Bad file descriptor) [pid 5294] close(11) = -1 EBADF (Bad file descriptor) [pid 5294] close(12) = -1 EBADF (Bad file descriptor) [pid 5294] close(13) = -1 EBADF (Bad file descriptor) [pid 5294] close(14) = -1 EBADF (Bad file descriptor) [pid 5294] close(15) = -1 EBADF (Bad file descriptor) [pid 5294] close(16) = -1 EBADF (Bad file descriptor) [pid 5294] close(17) = -1 EBADF (Bad file descriptor) [pid 5294] close(18) = -1 EBADF (Bad file descriptor) [pid 5294] close(19) = -1 EBADF (Bad file descriptor) [pid 5294] close(20) = -1 EBADF (Bad file descriptor) [pid 5294] close(21) = -1 EBADF (Bad file descriptor) [pid 5294] close(22) = -1 EBADF (Bad file descriptor) [pid 5294] close(23) = -1 EBADF (Bad file descriptor) [pid 5294] close(24) = -1 EBADF (Bad file descriptor) [pid 5294] close(25) = -1 EBADF (Bad file descriptor) [pid 5294] close(26) = -1 EBADF (Bad file descriptor) [pid 5294] close(27) = -1 EBADF (Bad file descriptor) [pid 5294] close(28) = -1 EBADF (Bad file descriptor) [pid 5294] close(29) = -1 EBADF (Bad file descriptor) [pid 5294] exit_group(0) = ? [pid 5294] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=225, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5062] umount2("./223", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./223", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./223/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./223/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./223/cgroup.cpu") = 0 [pid 5062] umount2("./223/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./223/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./223/binderfs") = 0 [pid 5062] umount2("./223/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./223/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./223/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./223/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./223/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./223/file0") = 0 [pid 5062] umount2("./223/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./223/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./223/cgroup") = 0 [pid 5062] umount2("./223/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./223/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./223/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./223") = 0 [pid 5062] mkdir("./224", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5295 attached [pid 5295] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 226 [pid 5295] <... set_robust_list resumed>) = 0 [pid 5295] chdir("./224") = 0 [pid 5295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5295] setpgid(0, 0) = 0 [pid 5295] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5295] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5295] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5295] write(3, "1000", 4) = 4 [pid 5295] close(3) = 0 [pid 5295] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5295] memfd_create("syzkaller", 0) = 3 [pid 5295] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5295] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5295] munmap(0x7f9497c79000, 138412032) = 0 [pid 5295] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5295] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5295] close(3) = 0 [pid 5295] mkdir("./file0", 0777) = 0 [ 221.885900][ T5295] loop0: detected capacity change from 0 to 4096 [ 221.906479][ T5295] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5295] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5295] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5295] chdir("./file0") = 0 [ 221.941685][ T5295] ntfs: volume version 3.1. [pid 5295] ioctl(4, LOOP_CLR_FD) = 0 [pid 5295] close(4) = 0 [pid 5295] creat("./file2", 000) = 4 [pid 5295] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5295] creat("./file2", 000) = 5 [pid 5295] close(3) = 0 [pid 5295] close(4) = 0 [pid 5295] close(5) = 0 [pid 5295] close(6) = -1 EBADF (Bad file descriptor) [pid 5295] close(7) = -1 EBADF (Bad file descriptor) [pid 5295] close(8) = -1 EBADF (Bad file descriptor) [pid 5295] close(9) = -1 EBADF (Bad file descriptor) [pid 5295] close(10) = -1 EBADF (Bad file descriptor) [pid 5295] close(11) = -1 EBADF (Bad file descriptor) [pid 5295] close(12) = -1 EBADF (Bad file descriptor) [pid 5295] close(13) = -1 EBADF (Bad file descriptor) [pid 5295] close(14) = -1 EBADF (Bad file descriptor) [pid 5295] close(15) = -1 EBADF (Bad file descriptor) [pid 5295] close(16) = -1 EBADF (Bad file descriptor) [pid 5295] close(17) = -1 EBADF (Bad file descriptor) [pid 5295] close(18) = -1 EBADF (Bad file descriptor) [pid 5295] close(19) = -1 EBADF (Bad file descriptor) [pid 5295] close(20) = -1 EBADF (Bad file descriptor) [pid 5295] close(21) = -1 EBADF (Bad file descriptor) [pid 5295] close(22) = -1 EBADF (Bad file descriptor) [pid 5295] close(23) = -1 EBADF (Bad file descriptor) [pid 5295] close(24) = -1 EBADF (Bad file descriptor) [pid 5295] close(25) = -1 EBADF (Bad file descriptor) [pid 5295] close(26) = -1 EBADF (Bad file descriptor) [pid 5295] close(27) = -1 EBADF (Bad file descriptor) [pid 5295] close(28) = -1 EBADF (Bad file descriptor) [pid 5295] close(29) = -1 EBADF (Bad file descriptor) [pid 5295] exit_group(0) = ? [pid 5295] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=226, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5062] umount2("./224", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./224", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./224/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./224/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./224/cgroup.cpu") = 0 [pid 5062] umount2("./224/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./224/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./224/binderfs") = 0 [pid 5062] umount2("./224/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./224/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./224/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./224/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./224/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./224/file0") = 0 [pid 5062] umount2("./224/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./224/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./224/cgroup") = 0 [pid 5062] umount2("./224/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./224/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./224/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./224") = 0 [pid 5062] mkdir("./225", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5296 attached [pid 5296] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 227 [pid 5296] <... set_robust_list resumed>) = 0 [pid 5296] chdir("./225") = 0 [pid 5296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5296] setpgid(0, 0) = 0 [pid 5296] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5296] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5296] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5296] write(3, "1000", 4) = 4 [pid 5296] close(3) = 0 [pid 5296] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5296] memfd_create("syzkaller", 0) = 3 [pid 5296] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5296] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5296] munmap(0x7f9497c79000, 138412032) = 0 [pid 5296] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5296] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5296] close(3) = 0 [pid 5296] mkdir("./file0", 0777) = 0 [ 222.569797][ T5296] loop0: detected capacity change from 0 to 4096 [ 222.594649][ T5296] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5296] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5296] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5296] chdir("./file0") = 0 [pid 5296] ioctl(4, LOOP_CLR_FD) = 0 [pid 5296] close(4) = 0 [pid 5296] creat("./file2", 000) = 4 [ 222.629456][ T5296] ntfs: volume version 3.1. [pid 5296] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5296] creat("./file2", 000) = 5 [pid 5296] close(3) = 0 [pid 5296] close(4) = 0 [pid 5296] close(5) = 0 [pid 5296] close(6) = -1 EBADF (Bad file descriptor) [pid 5296] close(7) = -1 EBADF (Bad file descriptor) [pid 5296] close(8) = -1 EBADF (Bad file descriptor) [pid 5296] close(9) = -1 EBADF (Bad file descriptor) [pid 5296] close(10) = -1 EBADF (Bad file descriptor) [pid 5296] close(11) = -1 EBADF (Bad file descriptor) [pid 5296] close(12) = -1 EBADF (Bad file descriptor) [pid 5296] close(13) = -1 EBADF (Bad file descriptor) [pid 5296] close(14) = -1 EBADF (Bad file descriptor) [pid 5296] close(15) = -1 EBADF (Bad file descriptor) [pid 5296] close(16) = -1 EBADF (Bad file descriptor) [pid 5296] close(17) = -1 EBADF (Bad file descriptor) [pid 5296] close(18) = -1 EBADF (Bad file descriptor) [pid 5296] close(19) = -1 EBADF (Bad file descriptor) [pid 5296] close(20) = -1 EBADF (Bad file descriptor) [pid 5296] close(21) = -1 EBADF (Bad file descriptor) [pid 5296] close(22) = -1 EBADF (Bad file descriptor) [pid 5296] close(23) = -1 EBADF (Bad file descriptor) [pid 5296] close(24) = -1 EBADF (Bad file descriptor) [pid 5296] close(25) = -1 EBADF (Bad file descriptor) [pid 5296] close(26) = -1 EBADF (Bad file descriptor) [pid 5296] close(27) = -1 EBADF (Bad file descriptor) [pid 5296] close(28) = -1 EBADF (Bad file descriptor) [pid 5296] close(29) = -1 EBADF (Bad file descriptor) [pid 5296] exit_group(0) = ? [pid 5296] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=227, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5062] umount2("./225", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./225", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./225/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./225/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./225/cgroup.cpu") = 0 [pid 5062] umount2("./225/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./225/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./225/binderfs") = 0 [pid 5062] umount2("./225/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./225/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./225/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./225/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./225/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./225/file0") = 0 [pid 5062] umount2("./225/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./225/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./225/cgroup") = 0 [pid 5062] umount2("./225/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./225/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./225/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./225") = 0 [pid 5062] mkdir("./226", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5297 attached , child_tidptr=0x555556e8b650) = 228 [pid 5297] set_robust_list(0x555556e8b660, 24) = 0 [pid 5297] chdir("./226") = 0 [pid 5297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5297] setpgid(0, 0) = 0 [pid 5297] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5297] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5297] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5297] write(3, "1000", 4) = 4 [pid 5297] close(3) = 0 [pid 5297] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5297] memfd_create("syzkaller", 0) = 3 [pid 5297] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5297] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5297] munmap(0x7f9497c79000, 138412032) = 0 [pid 5297] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5297] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5297] close(3) = 0 [pid 5297] mkdir("./file0", 0777) = 0 [ 223.163944][ T5297] loop0: detected capacity change from 0 to 4096 [ 223.181771][ T5297] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5297] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5297] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5297] chdir("./file0") = 0 [pid 5297] ioctl(4, LOOP_CLR_FD) = 0 [pid 5297] close(4) = 0 [ 223.217773][ T5297] ntfs: volume version 3.1. [pid 5297] creat("./file2", 000) = 4 [pid 5297] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5297] creat("./file2", 000) = 5 [pid 5297] close(3) = 0 [pid 5297] close(4) = 0 [pid 5297] close(5) = 0 [pid 5297] close(6) = -1 EBADF (Bad file descriptor) [pid 5297] close(7) = -1 EBADF (Bad file descriptor) [pid 5297] close(8) = -1 EBADF (Bad file descriptor) [pid 5297] close(9) = -1 EBADF (Bad file descriptor) [pid 5297] close(10) = -1 EBADF (Bad file descriptor) [pid 5297] close(11) = -1 EBADF (Bad file descriptor) [pid 5297] close(12) = -1 EBADF (Bad file descriptor) [pid 5297] close(13) = -1 EBADF (Bad file descriptor) [pid 5297] close(14) = -1 EBADF (Bad file descriptor) [pid 5297] close(15) = -1 EBADF (Bad file descriptor) [pid 5297] close(16) = -1 EBADF (Bad file descriptor) [pid 5297] close(17) = -1 EBADF (Bad file descriptor) [pid 5297] close(18) = -1 EBADF (Bad file descriptor) [pid 5297] close(19) = -1 EBADF (Bad file descriptor) [pid 5297] close(20) = -1 EBADF (Bad file descriptor) [pid 5297] close(21) = -1 EBADF (Bad file descriptor) [pid 5297] close(22) = -1 EBADF (Bad file descriptor) [pid 5297] close(23) = -1 EBADF (Bad file descriptor) [pid 5297] close(24) = -1 EBADF (Bad file descriptor) [pid 5297] close(25) = -1 EBADF (Bad file descriptor) [pid 5297] close(26) = -1 EBADF (Bad file descriptor) [pid 5297] close(27) = -1 EBADF (Bad file descriptor) [pid 5297] close(28) = -1 EBADF (Bad file descriptor) [pid 5297] close(29) = -1 EBADF (Bad file descriptor) [pid 5297] exit_group(0) = ? [pid 5297] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=228, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5062] umount2("./226", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./226", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./226/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./226/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./226/cgroup.cpu") = 0 [pid 5062] umount2("./226/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./226/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./226/binderfs") = 0 [pid 5062] umount2("./226/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./226/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./226/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./226/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./226/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./226/file0") = 0 [pid 5062] umount2("./226/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./226/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./226/cgroup") = 0 [pid 5062] umount2("./226/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./226/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./226/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./226") = 0 [pid 5062] mkdir("./227", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5298 attached [pid 5298] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 229 [pid 5298] <... set_robust_list resumed>) = 0 [pid 5298] chdir("./227") = 0 [pid 5298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5298] setpgid(0, 0) = 0 [pid 5298] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5298] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5298] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5298] write(3, "1000", 4) = 4 [pid 5298] close(3) = 0 [pid 5298] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5298] memfd_create("syzkaller", 0) = 3 [pid 5298] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5298] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5298] munmap(0x7f9497c79000, 138412032) = 0 [pid 5298] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5298] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5298] close(3) = 0 [pid 5298] mkdir("./file0", 0777) = 0 [ 223.797506][ T5298] loop0: detected capacity change from 0 to 4096 [pid 5298] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5298] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5298] chdir("./file0") = 0 [pid 5298] ioctl(4, LOOP_CLR_FD) = 0 [pid 5298] close(4) = 0 [pid 5298] creat("./file2", 000) = 4 [ 223.833105][ T5298] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [ 223.866202][ T5298] ntfs: volume version 3.1. [pid 5298] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5298] creat("./file2", 000) = 5 [pid 5298] close(3) = 0 [pid 5298] close(4) = 0 [pid 5298] close(5) = 0 [pid 5298] close(6) = -1 EBADF (Bad file descriptor) [pid 5298] close(7) = -1 EBADF (Bad file descriptor) [pid 5298] close(8) = -1 EBADF (Bad file descriptor) [pid 5298] close(9) = -1 EBADF (Bad file descriptor) [pid 5298] close(10) = -1 EBADF (Bad file descriptor) [pid 5298] close(11) = -1 EBADF (Bad file descriptor) [pid 5298] close(12) = -1 EBADF (Bad file descriptor) [pid 5298] close(13) = -1 EBADF (Bad file descriptor) [pid 5298] close(14) = -1 EBADF (Bad file descriptor) [pid 5298] close(15) = -1 EBADF (Bad file descriptor) [pid 5298] close(16) = -1 EBADF (Bad file descriptor) [pid 5298] close(17) = -1 EBADF (Bad file descriptor) [pid 5298] close(18) = -1 EBADF (Bad file descriptor) [pid 5298] close(19) = -1 EBADF (Bad file descriptor) [pid 5298] close(20) = -1 EBADF (Bad file descriptor) [pid 5298] close(21) = -1 EBADF (Bad file descriptor) [pid 5298] close(22) = -1 EBADF (Bad file descriptor) [pid 5298] close(23) = -1 EBADF (Bad file descriptor) [pid 5298] close(24) = -1 EBADF (Bad file descriptor) [pid 5298] close(25) = -1 EBADF (Bad file descriptor) [pid 5298] close(26) = -1 EBADF (Bad file descriptor) [pid 5298] close(27) = -1 EBADF (Bad file descriptor) [pid 5298] close(28) = -1 EBADF (Bad file descriptor) [pid 5298] close(29) = -1 EBADF (Bad file descriptor) [pid 5298] exit_group(0) = ? [pid 5298] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=229, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5062] umount2("./227", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./227", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./227/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./227/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./227/cgroup.cpu") = 0 [pid 5062] umount2("./227/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./227/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./227/binderfs") = 0 [pid 5062] umount2("./227/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./227/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./227/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./227/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./227/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./227/file0") = 0 [pid 5062] umount2("./227/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./227/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./227/cgroup") = 0 [pid 5062] umount2("./227/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./227/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./227/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./227") = 0 [pid 5062] mkdir("./228", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5299 attached , child_tidptr=0x555556e8b650) = 230 [pid 5299] set_robust_list(0x555556e8b660, 24) = 0 [pid 5299] chdir("./228") = 0 [pid 5299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5299] setpgid(0, 0) = 0 [pid 5299] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5299] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5299] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5299] write(3, "1000", 4) = 4 [pid 5299] close(3) = 0 [pid 5299] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5299] memfd_create("syzkaller", 0) = 3 [pid 5299] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5299] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5299] munmap(0x7f9497c79000, 138412032) = 0 [pid 5299] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5299] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5299] close(3) = 0 [pid 5299] mkdir("./file0", 0777) = 0 [ 224.422030][ T5299] loop0: detected capacity change from 0 to 4096 [pid 5299] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5299] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5299] chdir("./file0") = 0 [ 224.455494][ T5299] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [ 224.488797][ T5299] ntfs: volume version 3.1. [pid 5299] ioctl(4, LOOP_CLR_FD) = 0 [pid 5299] close(4) = 0 [pid 5299] creat("./file2", 000) = 4 [pid 5299] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5299] creat("./file2", 000) = 5 [pid 5299] close(3) = 0 [pid 5299] close(4) = 0 [pid 5299] close(5) = 0 [pid 5299] close(6) = -1 EBADF (Bad file descriptor) [pid 5299] close(7) = -1 EBADF (Bad file descriptor) [pid 5299] close(8) = -1 EBADF (Bad file descriptor) [pid 5299] close(9) = -1 EBADF (Bad file descriptor) [pid 5299] close(10) = -1 EBADF (Bad file descriptor) [pid 5299] close(11) = -1 EBADF (Bad file descriptor) [pid 5299] close(12) = -1 EBADF (Bad file descriptor) [pid 5299] close(13) = -1 EBADF (Bad file descriptor) [pid 5299] close(14) = -1 EBADF (Bad file descriptor) [pid 5299] close(15) = -1 EBADF (Bad file descriptor) [pid 5299] close(16) = -1 EBADF (Bad file descriptor) [pid 5299] close(17) = -1 EBADF (Bad file descriptor) [pid 5299] close(18) = -1 EBADF (Bad file descriptor) [pid 5299] close(19) = -1 EBADF (Bad file descriptor) [pid 5299] close(20) = -1 EBADF (Bad file descriptor) [pid 5299] close(21) = -1 EBADF (Bad file descriptor) [pid 5299] close(22) = -1 EBADF (Bad file descriptor) [pid 5299] close(23) = -1 EBADF (Bad file descriptor) [pid 5299] close(24) = -1 EBADF (Bad file descriptor) [pid 5299] close(25) = -1 EBADF (Bad file descriptor) [pid 5299] close(26) = -1 EBADF (Bad file descriptor) [pid 5299] close(27) = -1 EBADF (Bad file descriptor) [pid 5299] close(28) = -1 EBADF (Bad file descriptor) [pid 5299] close(29) = -1 EBADF (Bad file descriptor) [pid 5299] exit_group(0) = ? [pid 5299] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=230, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5062] umount2("./228", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./228", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./228/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./228/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./228/cgroup.cpu") = 0 [pid 5062] umount2("./228/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./228/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./228/binderfs") = 0 [pid 5062] umount2("./228/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./228/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./228/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./228/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./228/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./228/file0") = 0 [pid 5062] umount2("./228/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./228/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./228/cgroup") = 0 [pid 5062] umount2("./228/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./228/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./228/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./228") = 0 [pid 5062] mkdir("./229", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5300 attached [pid 5300] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 231 [pid 5300] <... set_robust_list resumed>) = 0 [pid 5300] chdir("./229") = 0 [pid 5300] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5300] setpgid(0, 0) = 0 [pid 5300] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5300] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5300] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5300] write(3, "1000", 4) = 4 [pid 5300] close(3) = 0 [pid 5300] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5300] memfd_create("syzkaller", 0) = 3 [pid 5300] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5300] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5300] munmap(0x7f9497c79000, 138412032) = 0 [pid 5300] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5300] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5300] close(3) = 0 [pid 5300] mkdir("./file0", 0777) = 0 [ 225.128722][ T5300] loop0: detected capacity change from 0 to 4096 [ 225.153396][ T5300] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5300] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5300] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5300] chdir("./file0") = 0 [pid 5300] ioctl(4, LOOP_CLR_FD) = 0 [pid 5300] close(4) = 0 [ 225.187601][ T5300] ntfs: volume version 3.1. [pid 5300] creat("./file2", 000) = 4 [pid 5300] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5300] creat("./file2", 000) = 5 [pid 5300] close(3) = 0 [pid 5300] close(4) = 0 [pid 5300] close(5) = 0 [pid 5300] close(6) = -1 EBADF (Bad file descriptor) [pid 5300] close(7) = -1 EBADF (Bad file descriptor) [pid 5300] close(8) = -1 EBADF (Bad file descriptor) [pid 5300] close(9) = -1 EBADF (Bad file descriptor) [pid 5300] close(10) = -1 EBADF (Bad file descriptor) [pid 5300] close(11) = -1 EBADF (Bad file descriptor) [pid 5300] close(12) = -1 EBADF (Bad file descriptor) [pid 5300] close(13) = -1 EBADF (Bad file descriptor) [pid 5300] close(14) = -1 EBADF (Bad file descriptor) [pid 5300] close(15) = -1 EBADF (Bad file descriptor) [pid 5300] close(16) = -1 EBADF (Bad file descriptor) [pid 5300] close(17) = -1 EBADF (Bad file descriptor) [pid 5300] close(18) = -1 EBADF (Bad file descriptor) [pid 5300] close(19) = -1 EBADF (Bad file descriptor) [pid 5300] close(20) = -1 EBADF (Bad file descriptor) [pid 5300] close(21) = -1 EBADF (Bad file descriptor) [pid 5300] close(22) = -1 EBADF (Bad file descriptor) [pid 5300] close(23) = -1 EBADF (Bad file descriptor) [pid 5300] close(24) = -1 EBADF (Bad file descriptor) [pid 5300] close(25) = -1 EBADF (Bad file descriptor) [pid 5300] close(26) = -1 EBADF (Bad file descriptor) [pid 5300] close(27) = -1 EBADF (Bad file descriptor) [pid 5300] close(28) = -1 EBADF (Bad file descriptor) [pid 5300] close(29) = -1 EBADF (Bad file descriptor) [pid 5300] exit_group(0) = ? [pid 5300] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=231, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5062] umount2("./229", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./229", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./229/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./229/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./229/cgroup.cpu") = 0 [pid 5062] umount2("./229/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./229/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./229/binderfs") = 0 [pid 5062] umount2("./229/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./229/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./229/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./229/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./229/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./229/file0") = 0 [pid 5062] umount2("./229/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./229/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./229/cgroup") = 0 [pid 5062] umount2("./229/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./229/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./229/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./229") = 0 [pid 5062] mkdir("./230", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5301 attached , child_tidptr=0x555556e8b650) = 232 [pid 5301] set_robust_list(0x555556e8b660, 24) = 0 [pid 5301] chdir("./230") = 0 [pid 5301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5301] setpgid(0, 0) = 0 [pid 5301] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5301] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5301] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5301] write(3, "1000", 4) = 4 [pid 5301] close(3) = 0 [pid 5301] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5301] memfd_create("syzkaller", 0) = 3 [pid 5301] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5301] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5301] munmap(0x7f9497c79000, 138412032) = 0 [pid 5301] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5301] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5301] close(3) = 0 [pid 5301] mkdir("./file0", 0777) = 0 [ 225.806604][ T5301] loop0: detected capacity change from 0 to 4096 [ 225.832615][ T5301] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5301] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5301] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5301] chdir("./file0") = 0 [pid 5301] ioctl(4, LOOP_CLR_FD) = 0 [pid 5301] close(4) = 0 [pid 5301] creat("./file2", 000) = 4 [ 225.867410][ T5301] ntfs: volume version 3.1. [pid 5301] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5301] creat("./file2", 000) = 5 [pid 5301] close(3) = 0 [pid 5301] close(4) = 0 [pid 5301] close(5) = 0 [pid 5301] close(6) = -1 EBADF (Bad file descriptor) [pid 5301] close(7) = -1 EBADF (Bad file descriptor) [pid 5301] close(8) = -1 EBADF (Bad file descriptor) [pid 5301] close(9) = -1 EBADF (Bad file descriptor) [pid 5301] close(10) = -1 EBADF (Bad file descriptor) [pid 5301] close(11) = -1 EBADF (Bad file descriptor) [pid 5301] close(12) = -1 EBADF (Bad file descriptor) [pid 5301] close(13) = -1 EBADF (Bad file descriptor) [pid 5301] close(14) = -1 EBADF (Bad file descriptor) [pid 5301] close(15) = -1 EBADF (Bad file descriptor) [pid 5301] close(16) = -1 EBADF (Bad file descriptor) [pid 5301] close(17) = -1 EBADF (Bad file descriptor) [pid 5301] close(18) = -1 EBADF (Bad file descriptor) [pid 5301] close(19) = -1 EBADF (Bad file descriptor) [pid 5301] close(20) = -1 EBADF (Bad file descriptor) [pid 5301] close(21) = -1 EBADF (Bad file descriptor) [pid 5301] close(22) = -1 EBADF (Bad file descriptor) [pid 5301] close(23) = -1 EBADF (Bad file descriptor) [pid 5301] close(24) = -1 EBADF (Bad file descriptor) [pid 5301] close(25) = -1 EBADF (Bad file descriptor) [pid 5301] close(26) = -1 EBADF (Bad file descriptor) [pid 5301] close(27) = -1 EBADF (Bad file descriptor) [pid 5301] close(28) = -1 EBADF (Bad file descriptor) [pid 5301] close(29) = -1 EBADF (Bad file descriptor) [pid 5301] exit_group(0) = ? [pid 5301] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=232, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5062] umount2("./230", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./230", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./230/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./230/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./230/cgroup.cpu") = 0 [pid 5062] umount2("./230/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./230/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./230/binderfs") = 0 [pid 5062] umount2("./230/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./230/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./230/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./230/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./230/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./230/file0") = 0 [pid 5062] umount2("./230/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./230/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./230/cgroup") = 0 [pid 5062] umount2("./230/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./230/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./230/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./230") = 0 [pid 5062] mkdir("./231", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5302 attached [pid 5302] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 233 [pid 5302] <... set_robust_list resumed>) = 0 [pid 5302] chdir("./231") = 0 [pid 5302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5302] setpgid(0, 0) = 0 [pid 5302] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5302] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5302] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5302] write(3, "1000", 4) = 4 [pid 5302] close(3) = 0 [pid 5302] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5302] memfd_create("syzkaller", 0) = 3 [pid 5302] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5302] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5302] munmap(0x7f9497c79000, 138412032) = 0 [pid 5302] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5302] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5302] close(3) = 0 [pid 5302] mkdir("./file0", 0777) = 0 [ 226.483098][ T5302] loop0: detected capacity change from 0 to 4096 [ 226.507492][ T5302] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5302] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5302] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5302] chdir("./file0") = 0 [pid 5302] ioctl(4, LOOP_CLR_FD) = 0 [ 226.544731][ T5302] ntfs: volume version 3.1. [pid 5302] close(4) = 0 [pid 5302] creat("./file2", 000) = 4 [pid 5302] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5302] creat("./file2", 000) = 5 [pid 5302] close(3) = 0 [pid 5302] close(4) = 0 [pid 5302] close(5) = 0 [pid 5302] close(6) = -1 EBADF (Bad file descriptor) [pid 5302] close(7) = -1 EBADF (Bad file descriptor) [pid 5302] close(8) = -1 EBADF (Bad file descriptor) [pid 5302] close(9) = -1 EBADF (Bad file descriptor) [pid 5302] close(10) = -1 EBADF (Bad file descriptor) [pid 5302] close(11) = -1 EBADF (Bad file descriptor) [pid 5302] close(12) = -1 EBADF (Bad file descriptor) [pid 5302] close(13) = -1 EBADF (Bad file descriptor) [pid 5302] close(14) = -1 EBADF (Bad file descriptor) [pid 5302] close(15) = -1 EBADF (Bad file descriptor) [pid 5302] close(16) = -1 EBADF (Bad file descriptor) [pid 5302] close(17) = -1 EBADF (Bad file descriptor) [pid 5302] close(18) = -1 EBADF (Bad file descriptor) [pid 5302] close(19) = -1 EBADF (Bad file descriptor) [pid 5302] close(20) = -1 EBADF (Bad file descriptor) [pid 5302] close(21) = -1 EBADF (Bad file descriptor) [pid 5302] close(22) = -1 EBADF (Bad file descriptor) [pid 5302] close(23) = -1 EBADF (Bad file descriptor) [pid 5302] close(24) = -1 EBADF (Bad file descriptor) [pid 5302] close(25) = -1 EBADF (Bad file descriptor) [pid 5302] close(26) = -1 EBADF (Bad file descriptor) [pid 5302] close(27) = -1 EBADF (Bad file descriptor) [pid 5302] close(28) = -1 EBADF (Bad file descriptor) [pid 5302] close(29) = -1 EBADF (Bad file descriptor) [pid 5302] exit_group(0) = ? [pid 5302] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=233, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5062] umount2("./231", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./231", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./231/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./231/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./231/cgroup.cpu") = 0 [pid 5062] umount2("./231/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./231/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./231/binderfs") = 0 [pid 5062] umount2("./231/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./231/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./231/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./231/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./231/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./231/file0") = 0 [pid 5062] umount2("./231/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./231/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./231/cgroup") = 0 [pid 5062] umount2("./231/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./231/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./231/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./231") = 0 [pid 5062] mkdir("./232", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5303 attached [pid 5303] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 234 [pid 5303] <... set_robust_list resumed>) = 0 [pid 5303] chdir("./232") = 0 [pid 5303] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5303] setpgid(0, 0) = 0 [pid 5303] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5303] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5303] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5303] write(3, "1000", 4) = 4 [pid 5303] close(3) = 0 [pid 5303] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5303] memfd_create("syzkaller", 0) = 3 [pid 5303] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5303] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5303] munmap(0x7f9497c79000, 138412032) = 0 [pid 5303] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5303] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5303] close(3) = 0 [pid 5303] mkdir("./file0", 0777) = 0 [ 227.101650][ T5303] loop0: detected capacity change from 0 to 4096 [ 227.125693][ T5303] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5303] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5303] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5303] chdir("./file0") = 0 [pid 5303] ioctl(4, LOOP_CLR_FD) = 0 [pid 5303] close(4) = 0 [ 227.160747][ T5303] ntfs: volume version 3.1. [pid 5303] creat("./file2", 000) = 4 [pid 5303] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5303] creat("./file2", 000) = 5 [pid 5303] close(3) = 0 [pid 5303] close(4) = 0 [pid 5303] close(5) = 0 [pid 5303] close(6) = -1 EBADF (Bad file descriptor) [pid 5303] close(7) = -1 EBADF (Bad file descriptor) [pid 5303] close(8) = -1 EBADF (Bad file descriptor) [pid 5303] close(9) = -1 EBADF (Bad file descriptor) [pid 5303] close(10) = -1 EBADF (Bad file descriptor) [pid 5303] close(11) = -1 EBADF (Bad file descriptor) [pid 5303] close(12) = -1 EBADF (Bad file descriptor) [pid 5303] close(13) = -1 EBADF (Bad file descriptor) [pid 5303] close(14) = -1 EBADF (Bad file descriptor) [pid 5303] close(15) = -1 EBADF (Bad file descriptor) [pid 5303] close(16) = -1 EBADF (Bad file descriptor) [pid 5303] close(17) = -1 EBADF (Bad file descriptor) [pid 5303] close(18) = -1 EBADF (Bad file descriptor) [pid 5303] close(19) = -1 EBADF (Bad file descriptor) [pid 5303] close(20) = -1 EBADF (Bad file descriptor) [pid 5303] close(21) = -1 EBADF (Bad file descriptor) [pid 5303] close(22) = -1 EBADF (Bad file descriptor) [pid 5303] close(23) = -1 EBADF (Bad file descriptor) [pid 5303] close(24) = -1 EBADF (Bad file descriptor) [pid 5303] close(25) = -1 EBADF (Bad file descriptor) [pid 5303] close(26) = -1 EBADF (Bad file descriptor) [pid 5303] close(27) = -1 EBADF (Bad file descriptor) [pid 5303] close(28) = -1 EBADF (Bad file descriptor) [pid 5303] close(29) = -1 EBADF (Bad file descriptor) [pid 5303] exit_group(0) = ? [pid 5303] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=234, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5062] umount2("./232", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./232", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./232/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./232/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./232/cgroup.cpu") = 0 [pid 5062] umount2("./232/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./232/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./232/binderfs") = 0 [pid 5062] umount2("./232/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./232/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./232/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./232/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./232/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./232/file0") = 0 [pid 5062] umount2("./232/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./232/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./232/cgroup") = 0 [pid 5062] umount2("./232/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./232/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./232/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./232") = 0 [pid 5062] mkdir("./233", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5304 attached [pid 5304] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 235 [pid 5304] <... set_robust_list resumed>) = 0 [pid 5304] chdir("./233") = 0 [pid 5304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5304] setpgid(0, 0) = 0 [pid 5304] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5304] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5304] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5304] write(3, "1000", 4) = 4 [pid 5304] close(3) = 0 [pid 5304] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5304] memfd_create("syzkaller", 0) = 3 [pid 5304] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5304] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5304] munmap(0x7f9497c79000, 138412032) = 0 [pid 5304] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5304] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5304] close(3) = 0 [pid 5304] mkdir("./file0", 0777) = 0 [ 227.793021][ T5304] loop0: detected capacity change from 0 to 4096 [ 227.812550][ T5304] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5304] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5304] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 227.846005][ T5304] ntfs: volume version 3.1. [pid 5304] chdir("./file0") = 0 [pid 5304] ioctl(4, LOOP_CLR_FD) = 0 [pid 5304] close(4) = 0 [pid 5304] creat("./file2", 000) = 4 [pid 5304] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5304] creat("./file2", 000) = 5 [pid 5304] close(3) = 0 [pid 5304] close(4) = 0 [pid 5304] close(5) = 0 [pid 5304] close(6) = -1 EBADF (Bad file descriptor) [pid 5304] close(7) = -1 EBADF (Bad file descriptor) [pid 5304] close(8) = -1 EBADF (Bad file descriptor) [pid 5304] close(9) = -1 EBADF (Bad file descriptor) [pid 5304] close(10) = -1 EBADF (Bad file descriptor) [pid 5304] close(11) = -1 EBADF (Bad file descriptor) [pid 5304] close(12) = -1 EBADF (Bad file descriptor) [pid 5304] close(13) = -1 EBADF (Bad file descriptor) [pid 5304] close(14) = -1 EBADF (Bad file descriptor) [pid 5304] close(15) = -1 EBADF (Bad file descriptor) [pid 5304] close(16) = -1 EBADF (Bad file descriptor) [pid 5304] close(17) = -1 EBADF (Bad file descriptor) [pid 5304] close(18) = -1 EBADF (Bad file descriptor) [pid 5304] close(19) = -1 EBADF (Bad file descriptor) [pid 5304] close(20) = -1 EBADF (Bad file descriptor) [pid 5304] close(21) = -1 EBADF (Bad file descriptor) [pid 5304] close(22) = -1 EBADF (Bad file descriptor) [pid 5304] close(23) = -1 EBADF (Bad file descriptor) [pid 5304] close(24) = -1 EBADF (Bad file descriptor) [pid 5304] close(25) = -1 EBADF (Bad file descriptor) [pid 5304] close(26) = -1 EBADF (Bad file descriptor) [pid 5304] close(27) = -1 EBADF (Bad file descriptor) [pid 5304] close(28) = -1 EBADF (Bad file descriptor) [pid 5304] close(29) = -1 EBADF (Bad file descriptor) [pid 5304] exit_group(0) = ? [pid 5304] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=235, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5062] umount2("./233", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./233", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./233/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./233/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./233/cgroup.cpu") = 0 [pid 5062] umount2("./233/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./233/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./233/binderfs") = 0 [pid 5062] umount2("./233/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./233/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./233/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./233/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./233/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./233/file0") = 0 [pid 5062] umount2("./233/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./233/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./233/cgroup") = 0 [pid 5062] umount2("./233/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./233/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./233/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./233") = 0 [pid 5062] mkdir("./234", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5305 attached , child_tidptr=0x555556e8b650) = 236 [pid 5305] set_robust_list(0x555556e8b660, 24) = 0 [pid 5305] chdir("./234") = 0 [pid 5305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5305] setpgid(0, 0) = 0 [pid 5305] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5305] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5305] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5305] write(3, "1000", 4) = 4 [pid 5305] close(3) = 0 [pid 5305] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5305] memfd_create("syzkaller", 0) = 3 [pid 5305] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5305] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5305] munmap(0x7f9497c79000, 138412032) = 0 [pid 5305] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5305] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5305] close(3) = 0 [pid 5305] mkdir("./file0", 0777) = 0 [ 228.492622][ T5305] loop0: detected capacity change from 0 to 4096 [ 228.516307][ T5305] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5305] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5305] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 228.551773][ T5305] ntfs: volume version 3.1. [pid 5305] chdir("./file0") = 0 [pid 5305] ioctl(4, LOOP_CLR_FD) = 0 [pid 5305] close(4) = 0 [pid 5305] creat("./file2", 000) = 4 [pid 5305] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5305] creat("./file2", 000) = 5 [pid 5305] close(3) = 0 [pid 5305] close(4) = 0 [pid 5305] close(5) = 0 [pid 5305] close(6) = -1 EBADF (Bad file descriptor) [pid 5305] close(7) = -1 EBADF (Bad file descriptor) [pid 5305] close(8) = -1 EBADF (Bad file descriptor) [pid 5305] close(9) = -1 EBADF (Bad file descriptor) [pid 5305] close(10) = -1 EBADF (Bad file descriptor) [pid 5305] close(11) = -1 EBADF (Bad file descriptor) [pid 5305] close(12) = -1 EBADF (Bad file descriptor) [pid 5305] close(13) = -1 EBADF (Bad file descriptor) [pid 5305] close(14) = -1 EBADF (Bad file descriptor) [pid 5305] close(15) = -1 EBADF (Bad file descriptor) [pid 5305] close(16) = -1 EBADF (Bad file descriptor) [pid 5305] close(17) = -1 EBADF (Bad file descriptor) [pid 5305] close(18) = -1 EBADF (Bad file descriptor) [pid 5305] close(19) = -1 EBADF (Bad file descriptor) [pid 5305] close(20) = -1 EBADF (Bad file descriptor) [pid 5305] close(21) = -1 EBADF (Bad file descriptor) [pid 5305] close(22) = -1 EBADF (Bad file descriptor) [pid 5305] close(23) = -1 EBADF (Bad file descriptor) [pid 5305] close(24) = -1 EBADF (Bad file descriptor) [pid 5305] close(25) = -1 EBADF (Bad file descriptor) [pid 5305] close(26) = -1 EBADF (Bad file descriptor) [pid 5305] close(27) = -1 EBADF (Bad file descriptor) [pid 5305] close(28) = -1 EBADF (Bad file descriptor) [pid 5305] close(29) = -1 EBADF (Bad file descriptor) [pid 5305] exit_group(0) = ? [pid 5305] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=236, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./234", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./234", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./234/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./234/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./234/cgroup.cpu") = 0 [pid 5062] umount2("./234/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./234/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./234/binderfs") = 0 [pid 5062] umount2("./234/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./234/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./234/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./234/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./234/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./234/file0") = 0 [pid 5062] umount2("./234/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./234/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./234/cgroup") = 0 [pid 5062] umount2("./234/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./234/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./234/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./234") = 0 [pid 5062] mkdir("./235", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5306 attached [pid 5306] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 237 [pid 5306] <... set_robust_list resumed>) = 0 [pid 5306] chdir("./235") = 0 [pid 5306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5306] setpgid(0, 0) = 0 [pid 5306] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5306] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5306] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5306] write(3, "1000", 4) = 4 [pid 5306] close(3) = 0 [pid 5306] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5306] memfd_create("syzkaller", 0) = 3 [pid 5306] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5306] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5306] munmap(0x7f9497c79000, 138412032) = 0 [pid 5306] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5306] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5306] close(3) = 0 [pid 5306] mkdir("./file0", 0777) = 0 [ 229.135731][ T5306] loop0: detected capacity change from 0 to 4096 [ 229.151199][ T5306] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5306] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5306] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5306] chdir("./file0") = 0 [pid 5306] ioctl(4, LOOP_CLR_FD) = 0 [ 229.185148][ T5306] ntfs: volume version 3.1. [pid 5306] close(4) = 0 [pid 5306] creat("./file2", 000) = 4 [pid 5306] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5306] creat("./file2", 000) = 5 [pid 5306] close(3) = 0 [pid 5306] close(4) = 0 [pid 5306] close(5) = 0 [pid 5306] close(6) = -1 EBADF (Bad file descriptor) [pid 5306] close(7) = -1 EBADF (Bad file descriptor) [pid 5306] close(8) = -1 EBADF (Bad file descriptor) [pid 5306] close(9) = -1 EBADF (Bad file descriptor) [pid 5306] close(10) = -1 EBADF (Bad file descriptor) [pid 5306] close(11) = -1 EBADF (Bad file descriptor) [pid 5306] close(12) = -1 EBADF (Bad file descriptor) [pid 5306] close(13) = -1 EBADF (Bad file descriptor) [pid 5306] close(14) = -1 EBADF (Bad file descriptor) [pid 5306] close(15) = -1 EBADF (Bad file descriptor) [pid 5306] close(16) = -1 EBADF (Bad file descriptor) [pid 5306] close(17) = -1 EBADF (Bad file descriptor) [pid 5306] close(18) = -1 EBADF (Bad file descriptor) [pid 5306] close(19) = -1 EBADF (Bad file descriptor) [pid 5306] close(20) = -1 EBADF (Bad file descriptor) [pid 5306] close(21) = -1 EBADF (Bad file descriptor) [pid 5306] close(22) = -1 EBADF (Bad file descriptor) [pid 5306] close(23) = -1 EBADF (Bad file descriptor) [pid 5306] close(24) = -1 EBADF (Bad file descriptor) [pid 5306] close(25) = -1 EBADF (Bad file descriptor) [pid 5306] close(26) = -1 EBADF (Bad file descriptor) [pid 5306] close(27) = -1 EBADF (Bad file descriptor) [pid 5306] close(28) = -1 EBADF (Bad file descriptor) [pid 5306] close(29) = -1 EBADF (Bad file descriptor) [pid 5306] exit_group(0) = ? [pid 5306] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=237, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./235", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./235", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./235/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./235/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./235/cgroup.cpu") = 0 [pid 5062] umount2("./235/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./235/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./235/binderfs") = 0 [pid 5062] umount2("./235/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./235/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./235/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./235/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./235/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./235/file0") = 0 [pid 5062] umount2("./235/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./235/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./235/cgroup") = 0 [pid 5062] umount2("./235/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./235/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./235/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./235") = 0 [pid 5062] mkdir("./236", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5307 attached [pid 5307] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 238 [pid 5307] <... set_robust_list resumed>) = 0 [pid 5307] chdir("./236") = 0 [pid 5307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5307] setpgid(0, 0) = 0 [pid 5307] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5307] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5307] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5307] write(3, "1000", 4) = 4 [pid 5307] close(3) = 0 [pid 5307] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5307] memfd_create("syzkaller", 0) = 3 [pid 5307] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5307] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5307] munmap(0x7f9497c79000, 138412032) = 0 [pid 5307] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5307] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5307] close(3) = 0 [pid 5307] mkdir("./file0", 0777) = 0 [pid 5307] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5307] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5307] chdir("./file0") = 0 [pid 5307] ioctl(4, LOOP_CLR_FD) = 0 [pid 5307] close(4) = 0 [ 229.790244][ T5307] loop0: detected capacity change from 0 to 4096 [ 229.800517][ T5307] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [ 229.834379][ T5307] ntfs: volume version 3.1. [pid 5307] creat("./file2", 000) = 4 [pid 5307] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5307] creat("./file2", 000) = 5 [pid 5307] close(3) = 0 [pid 5307] close(4) = 0 [pid 5307] close(5) = 0 [pid 5307] close(6) = -1 EBADF (Bad file descriptor) [pid 5307] close(7) = -1 EBADF (Bad file descriptor) [pid 5307] close(8) = -1 EBADF (Bad file descriptor) [pid 5307] close(9) = -1 EBADF (Bad file descriptor) [pid 5307] close(10) = -1 EBADF (Bad file descriptor) [pid 5307] close(11) = -1 EBADF (Bad file descriptor) [pid 5307] close(12) = -1 EBADF (Bad file descriptor) [pid 5307] close(13) = -1 EBADF (Bad file descriptor) [pid 5307] close(14) = -1 EBADF (Bad file descriptor) [pid 5307] close(15) = -1 EBADF (Bad file descriptor) [pid 5307] close(16) = -1 EBADF (Bad file descriptor) [pid 5307] close(17) = -1 EBADF (Bad file descriptor) [pid 5307] close(18) = -1 EBADF (Bad file descriptor) [pid 5307] close(19) = -1 EBADF (Bad file descriptor) [pid 5307] close(20) = -1 EBADF (Bad file descriptor) [pid 5307] close(21) = -1 EBADF (Bad file descriptor) [pid 5307] close(22) = -1 EBADF (Bad file descriptor) [pid 5307] close(23) = -1 EBADF (Bad file descriptor) [pid 5307] close(24) = -1 EBADF (Bad file descriptor) [pid 5307] close(25) = -1 EBADF (Bad file descriptor) [pid 5307] close(26) = -1 EBADF (Bad file descriptor) [pid 5307] close(27) = -1 EBADF (Bad file descriptor) [pid 5307] close(28) = -1 EBADF (Bad file descriptor) [pid 5307] close(29) = -1 EBADF (Bad file descriptor) [pid 5307] exit_group(0) = ? [pid 5307] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=238, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./236", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./236", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./236/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./236/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./236/cgroup.cpu") = 0 [pid 5062] umount2("./236/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./236/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./236/binderfs") = 0 [pid 5062] umount2("./236/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./236/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./236/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./236/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./236/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./236/file0") = 0 [pid 5062] umount2("./236/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./236/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./236/cgroup") = 0 [pid 5062] umount2("./236/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./236/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./236/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./236") = 0 [pid 5062] mkdir("./237", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5308 attached [pid 5308] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 239 [pid 5308] <... set_robust_list resumed>) = 0 [pid 5308] chdir("./237") = 0 [pid 5308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5308] setpgid(0, 0) = 0 [pid 5308] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5308] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5308] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5308] write(3, "1000", 4) = 4 [pid 5308] close(3) = 0 [pid 5308] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5308] memfd_create("syzkaller", 0) = 3 [pid 5308] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5308] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5308] munmap(0x7f9497c79000, 138412032) = 0 [pid 5308] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5308] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5308] close(3) = 0 [pid 5308] mkdir("./file0", 0777) = 0 [ 230.422563][ T5308] loop0: detected capacity change from 0 to 4096 [ 230.436371][ T5308] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5308] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5308] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5308] chdir("./file0") = 0 [pid 5308] ioctl(4, LOOP_CLR_FD) = 0 [pid 5308] close(4) = 0 [ 230.468704][ T5308] ntfs: volume version 3.1. [pid 5308] creat("./file2", 000) = 4 [pid 5308] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5308] creat("./file2", 000) = 5 [pid 5308] close(3) = 0 [pid 5308] close(4) = 0 [pid 5308] close(5) = 0 [pid 5308] close(6) = -1 EBADF (Bad file descriptor) [pid 5308] close(7) = -1 EBADF (Bad file descriptor) [pid 5308] close(8) = -1 EBADF (Bad file descriptor) [pid 5308] close(9) = -1 EBADF (Bad file descriptor) [pid 5308] close(10) = -1 EBADF (Bad file descriptor) [pid 5308] close(11) = -1 EBADF (Bad file descriptor) [pid 5308] close(12) = -1 EBADF (Bad file descriptor) [pid 5308] close(13) = -1 EBADF (Bad file descriptor) [pid 5308] close(14) = -1 EBADF (Bad file descriptor) [pid 5308] close(15) = -1 EBADF (Bad file descriptor) [pid 5308] close(16) = -1 EBADF (Bad file descriptor) [pid 5308] close(17) = -1 EBADF (Bad file descriptor) [pid 5308] close(18) = -1 EBADF (Bad file descriptor) [pid 5308] close(19) = -1 EBADF (Bad file descriptor) [pid 5308] close(20) = -1 EBADF (Bad file descriptor) [pid 5308] close(21) = -1 EBADF (Bad file descriptor) [pid 5308] close(22) = -1 EBADF (Bad file descriptor) [pid 5308] close(23) = -1 EBADF (Bad file descriptor) [pid 5308] close(24) = -1 EBADF (Bad file descriptor) [pid 5308] close(25) = -1 EBADF (Bad file descriptor) [pid 5308] close(26) = -1 EBADF (Bad file descriptor) [pid 5308] close(27) = -1 EBADF (Bad file descriptor) [pid 5308] close(28) = -1 EBADF (Bad file descriptor) [pid 5308] close(29) = -1 EBADF (Bad file descriptor) [pid 5308] exit_group(0) = ? [pid 5308] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=239, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./237", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./237", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./237/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./237/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./237/cgroup.cpu") = 0 [pid 5062] umount2("./237/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./237/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./237/binderfs") = 0 [pid 5062] umount2("./237/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./237/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./237/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./237/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./237/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./237/file0") = 0 [pid 5062] umount2("./237/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./237/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./237/cgroup") = 0 [pid 5062] umount2("./237/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./237/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./237/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./237") = 0 [pid 5062] mkdir("./238", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5309 attached [pid 5309] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 240 [pid 5309] <... set_robust_list resumed>) = 0 [pid 5309] chdir("./238") = 0 [pid 5309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5309] setpgid(0, 0) = 0 [pid 5309] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5309] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5309] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5309] write(3, "1000", 4) = 4 [pid 5309] close(3) = 0 [pid 5309] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5309] memfd_create("syzkaller", 0) = 3 [pid 5309] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5309] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5309] munmap(0x7f9497c79000, 138412032) = 0 [pid 5309] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5309] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5309] close(3) = 0 [pid 5309] mkdir("./file0", 0777) = 0 [ 231.054059][ T5309] loop0: detected capacity change from 0 to 4096 [ 231.068140][ T5309] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5309] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5309] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5309] chdir("./file0") = 0 [pid 5309] ioctl(4, LOOP_CLR_FD) = 0 [pid 5309] close(4) = 0 [pid 5309] creat("./file2", 000) = 4 [ 231.100728][ T5309] ntfs: volume version 3.1. [pid 5309] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5309] creat("./file2", 000) = 5 [pid 5309] close(3) = 0 [pid 5309] close(4) = 0 [pid 5309] close(5) = 0 [pid 5309] close(6) = -1 EBADF (Bad file descriptor) [pid 5309] close(7) = -1 EBADF (Bad file descriptor) [pid 5309] close(8) = -1 EBADF (Bad file descriptor) [pid 5309] close(9) = -1 EBADF (Bad file descriptor) [pid 5309] close(10) = -1 EBADF (Bad file descriptor) [pid 5309] close(11) = -1 EBADF (Bad file descriptor) [pid 5309] close(12) = -1 EBADF (Bad file descriptor) [pid 5309] close(13) = -1 EBADF (Bad file descriptor) [pid 5309] close(14) = -1 EBADF (Bad file descriptor) [pid 5309] close(15) = -1 EBADF (Bad file descriptor) [pid 5309] close(16) = -1 EBADF (Bad file descriptor) [pid 5309] close(17) = -1 EBADF (Bad file descriptor) [pid 5309] close(18) = -1 EBADF (Bad file descriptor) [pid 5309] close(19) = -1 EBADF (Bad file descriptor) [pid 5309] close(20) = -1 EBADF (Bad file descriptor) [pid 5309] close(21) = -1 EBADF (Bad file descriptor) [pid 5309] close(22) = -1 EBADF (Bad file descriptor) [pid 5309] close(23) = -1 EBADF (Bad file descriptor) [pid 5309] close(24) = -1 EBADF (Bad file descriptor) [pid 5309] close(25) = -1 EBADF (Bad file descriptor) [pid 5309] close(26) = -1 EBADF (Bad file descriptor) [pid 5309] close(27) = -1 EBADF (Bad file descriptor) [pid 5309] close(28) = -1 EBADF (Bad file descriptor) [pid 5309] close(29) = -1 EBADF (Bad file descriptor) [pid 5309] exit_group(0) = ? [pid 5309] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=240, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5062] umount2("./238", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./238", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./238/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./238/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./238/cgroup.cpu") = 0 [pid 5062] umount2("./238/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./238/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./238/binderfs") = 0 [pid 5062] umount2("./238/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./238/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./238/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./238/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./238/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./238/file0") = 0 [pid 5062] umount2("./238/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./238/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./238/cgroup") = 0 [pid 5062] umount2("./238/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./238/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./238/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./238") = 0 [pid 5062] mkdir("./239", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5310 attached [pid 5310] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 241 [pid 5310] <... set_robust_list resumed>) = 0 [pid 5310] chdir("./239") = 0 [pid 5310] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5310] setpgid(0, 0) = 0 [pid 5310] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5310] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5310] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5310] write(3, "1000", 4) = 4 [pid 5310] close(3) = 0 [pid 5310] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5310] memfd_create("syzkaller", 0) = 3 [pid 5310] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5310] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5310] munmap(0x7f9497c79000, 138412032) = 0 [pid 5310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5310] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5310] close(3) = 0 [pid 5310] mkdir("./file0", 0777) = 0 [ 231.682826][ T5310] loop0: detected capacity change from 0 to 4096 [pid 5310] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5310] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5310] chdir("./file0") = 0 [pid 5310] ioctl(4, LOOP_CLR_FD) = 0 [pid 5310] close(4) = 0 [ 231.713197][ T5310] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [ 231.747513][ T5310] ntfs: volume version 3.1. [pid 5310] creat("./file2", 000) = 4 [pid 5310] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5310] creat("./file2", 000) = 5 [pid 5310] close(3) = 0 [pid 5310] close(4) = 0 [pid 5310] close(5) = 0 [pid 5310] close(6) = -1 EBADF (Bad file descriptor) [pid 5310] close(7) = -1 EBADF (Bad file descriptor) [pid 5310] close(8) = -1 EBADF (Bad file descriptor) [pid 5310] close(9) = -1 EBADF (Bad file descriptor) [pid 5310] close(10) = -1 EBADF (Bad file descriptor) [pid 5310] close(11) = -1 EBADF (Bad file descriptor) [pid 5310] close(12) = -1 EBADF (Bad file descriptor) [pid 5310] close(13) = -1 EBADF (Bad file descriptor) [pid 5310] close(14) = -1 EBADF (Bad file descriptor) [pid 5310] close(15) = -1 EBADF (Bad file descriptor) [pid 5310] close(16) = -1 EBADF (Bad file descriptor) [pid 5310] close(17) = -1 EBADF (Bad file descriptor) [pid 5310] close(18) = -1 EBADF (Bad file descriptor) [pid 5310] close(19) = -1 EBADF (Bad file descriptor) [pid 5310] close(20) = -1 EBADF (Bad file descriptor) [pid 5310] close(21) = -1 EBADF (Bad file descriptor) [pid 5310] close(22) = -1 EBADF (Bad file descriptor) [pid 5310] close(23) = -1 EBADF (Bad file descriptor) [pid 5310] close(24) = -1 EBADF (Bad file descriptor) [pid 5310] close(25) = -1 EBADF (Bad file descriptor) [pid 5310] close(26) = -1 EBADF (Bad file descriptor) [pid 5310] close(27) = -1 EBADF (Bad file descriptor) [pid 5310] close(28) = -1 EBADF (Bad file descriptor) [pid 5310] close(29) = -1 EBADF (Bad file descriptor) [pid 5310] exit_group(0) = ? [pid 5310] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=241, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./239", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./239", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./239/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./239/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./239/cgroup.cpu") = 0 [pid 5062] umount2("./239/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./239/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./239/binderfs") = 0 [pid 5062] umount2("./239/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./239/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./239/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./239/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./239/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./239/file0") = 0 [pid 5062] umount2("./239/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./239/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./239/cgroup") = 0 [pid 5062] umount2("./239/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./239/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./239/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./239") = 0 [pid 5062] mkdir("./240", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5311 attached [pid 5311] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 242 [pid 5311] <... set_robust_list resumed>) = 0 [pid 5311] chdir("./240") = 0 [pid 5311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5311] setpgid(0, 0) = 0 [pid 5311] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5311] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5311] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5311] write(3, "1000", 4) = 4 [pid 5311] close(3) = 0 [pid 5311] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5311] memfd_create("syzkaller", 0) = 3 [pid 5311] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5311] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5311] munmap(0x7f9497c79000, 138412032) = 0 [pid 5311] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5311] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5311] close(3) = 0 [pid 5311] mkdir("./file0", 0777) = 0 [ 232.416288][ T5311] loop0: detected capacity change from 0 to 4096 [ 232.434887][ T5311] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5311] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5311] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5311] chdir("./file0") = 0 [ 232.469412][ T5311] ntfs: volume version 3.1. [pid 5311] ioctl(4, LOOP_CLR_FD) = 0 [pid 5311] close(4) = 0 [pid 5311] creat("./file2", 000) = 4 [pid 5311] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5311] creat("./file2", 000) = 5 [pid 5311] close(3) = 0 [pid 5311] close(4) = 0 [pid 5311] close(5) = 0 [pid 5311] close(6) = -1 EBADF (Bad file descriptor) [pid 5311] close(7) = -1 EBADF (Bad file descriptor) [pid 5311] close(8) = -1 EBADF (Bad file descriptor) [pid 5311] close(9) = -1 EBADF (Bad file descriptor) [pid 5311] close(10) = -1 EBADF (Bad file descriptor) [pid 5311] close(11) = -1 EBADF (Bad file descriptor) [pid 5311] close(12) = -1 EBADF (Bad file descriptor) [pid 5311] close(13) = -1 EBADF (Bad file descriptor) [pid 5311] close(14) = -1 EBADF (Bad file descriptor) [pid 5311] close(15) = -1 EBADF (Bad file descriptor) [pid 5311] close(16) = -1 EBADF (Bad file descriptor) [pid 5311] close(17) = -1 EBADF (Bad file descriptor) [pid 5311] close(18) = -1 EBADF (Bad file descriptor) [pid 5311] close(19) = -1 EBADF (Bad file descriptor) [pid 5311] close(20) = -1 EBADF (Bad file descriptor) [pid 5311] close(21) = -1 EBADF (Bad file descriptor) [pid 5311] close(22) = -1 EBADF (Bad file descriptor) [pid 5311] close(23) = -1 EBADF (Bad file descriptor) [pid 5311] close(24) = -1 EBADF (Bad file descriptor) [pid 5311] close(25) = -1 EBADF (Bad file descriptor) [pid 5311] close(26) = -1 EBADF (Bad file descriptor) [pid 5311] close(27) = -1 EBADF (Bad file descriptor) [pid 5311] close(28) = -1 EBADF (Bad file descriptor) [pid 5311] close(29) = -1 EBADF (Bad file descriptor) [pid 5311] exit_group(0) = ? [pid 5311] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=242, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5062] umount2("./240", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./240", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./240/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./240/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./240/cgroup.cpu") = 0 [pid 5062] umount2("./240/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./240/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./240/binderfs") = 0 [pid 5062] umount2("./240/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./240/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./240/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./240/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./240/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./240/file0") = 0 [pid 5062] umount2("./240/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./240/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./240/cgroup") = 0 [pid 5062] umount2("./240/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./240/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./240/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./240") = 0 [pid 5062] mkdir("./241", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5312 attached [pid 5312] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 243 [pid 5312] <... set_robust_list resumed>) = 0 [pid 5312] chdir("./241") = 0 [pid 5312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5312] setpgid(0, 0) = 0 [pid 5312] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5312] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5312] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5312] write(3, "1000", 4) = 4 [pid 5312] close(3) = 0 [pid 5312] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5312] memfd_create("syzkaller", 0) = 3 [pid 5312] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5312] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5312] munmap(0x7f9497c79000, 138412032) = 0 [pid 5312] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5312] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5312] close(3) = 0 [pid 5312] mkdir("./file0", 0777) = 0 [ 233.109491][ T5312] loop0: detected capacity change from 0 to 4096 [pid 5312] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5312] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5312] chdir("./file0") = 0 [pid 5312] ioctl(4, LOOP_CLR_FD) = 0 [pid 5312] close(4) = 0 [ 233.145664][ T5312] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [ 233.179434][ T5312] ntfs: volume version 3.1. [pid 5312] creat("./file2", 000) = 4 [pid 5312] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5312] creat("./file2", 000) = 5 [pid 5312] close(3) = 0 [pid 5312] close(4) = 0 [pid 5312] close(5) = 0 [pid 5312] close(6) = -1 EBADF (Bad file descriptor) [pid 5312] close(7) = -1 EBADF (Bad file descriptor) [pid 5312] close(8) = -1 EBADF (Bad file descriptor) [pid 5312] close(9) = -1 EBADF (Bad file descriptor) [pid 5312] close(10) = -1 EBADF (Bad file descriptor) [pid 5312] close(11) = -1 EBADF (Bad file descriptor) [pid 5312] close(12) = -1 EBADF (Bad file descriptor) [pid 5312] close(13) = -1 EBADF (Bad file descriptor) [pid 5312] close(14) = -1 EBADF (Bad file descriptor) [pid 5312] close(15) = -1 EBADF (Bad file descriptor) [pid 5312] close(16) = -1 EBADF (Bad file descriptor) [pid 5312] close(17) = -1 EBADF (Bad file descriptor) [pid 5312] close(18) = -1 EBADF (Bad file descriptor) [pid 5312] close(19) = -1 EBADF (Bad file descriptor) [pid 5312] close(20) = -1 EBADF (Bad file descriptor) [pid 5312] close(21) = -1 EBADF (Bad file descriptor) [pid 5312] close(22) = -1 EBADF (Bad file descriptor) [pid 5312] close(23) = -1 EBADF (Bad file descriptor) [pid 5312] close(24) = -1 EBADF (Bad file descriptor) [pid 5312] close(25) = -1 EBADF (Bad file descriptor) [pid 5312] close(26) = -1 EBADF (Bad file descriptor) [pid 5312] close(27) = -1 EBADF (Bad file descriptor) [pid 5312] close(28) = -1 EBADF (Bad file descriptor) [pid 5312] close(29) = -1 EBADF (Bad file descriptor) [pid 5312] exit_group(0) = ? [pid 5312] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=243, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./241", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./241", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./241/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./241/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./241/cgroup.cpu") = 0 [pid 5062] umount2("./241/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./241/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./241/binderfs") = 0 [pid 5062] umount2("./241/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./241/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./241/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./241/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./241/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./241/file0") = 0 [pid 5062] umount2("./241/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./241/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./241/cgroup") = 0 [pid 5062] umount2("./241/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./241/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./241/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./241") = 0 [pid 5062] mkdir("./242", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5313 attached [pid 5313] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 244 [pid 5313] <... set_robust_list resumed>) = 0 [pid 5313] chdir("./242") = 0 [pid 5313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5313] setpgid(0, 0) = 0 [pid 5313] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5313] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5313] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5313] write(3, "1000", 4) = 4 [pid 5313] close(3) = 0 [pid 5313] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5313] memfd_create("syzkaller", 0) = 3 [pid 5313] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5313] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5313] munmap(0x7f9497c79000, 138412032) = 0 [pid 5313] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5313] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5313] close(3) = 0 [pid 5313] mkdir("./file0", 0777) = 0 [ 233.779404][ T5313] loop0: detected capacity change from 0 to 4096 [ 233.794933][ T5313] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5313] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5313] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5313] chdir("./file0") = 0 [pid 5313] ioctl(4, LOOP_CLR_FD) = 0 [pid 5313] close(4) = 0 [pid 5313] creat("./file2", 000) = 4 [ 233.828078][ T5313] ntfs: volume version 3.1. [pid 5313] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5313] creat("./file2", 000) = 5 [pid 5313] close(3) = 0 [pid 5313] close(4) = 0 [pid 5313] close(5) = 0 [pid 5313] close(6) = -1 EBADF (Bad file descriptor) [pid 5313] close(7) = -1 EBADF (Bad file descriptor) [pid 5313] close(8) = -1 EBADF (Bad file descriptor) [pid 5313] close(9) = -1 EBADF (Bad file descriptor) [pid 5313] close(10) = -1 EBADF (Bad file descriptor) [pid 5313] close(11) = -1 EBADF (Bad file descriptor) [pid 5313] close(12) = -1 EBADF (Bad file descriptor) [pid 5313] close(13) = -1 EBADF (Bad file descriptor) [pid 5313] close(14) = -1 EBADF (Bad file descriptor) [pid 5313] close(15) = -1 EBADF (Bad file descriptor) [pid 5313] close(16) = -1 EBADF (Bad file descriptor) [pid 5313] close(17) = -1 EBADF (Bad file descriptor) [pid 5313] close(18) = -1 EBADF (Bad file descriptor) [pid 5313] close(19) = -1 EBADF (Bad file descriptor) [pid 5313] close(20) = -1 EBADF (Bad file descriptor) [pid 5313] close(21) = -1 EBADF (Bad file descriptor) [pid 5313] close(22) = -1 EBADF (Bad file descriptor) [pid 5313] close(23) = -1 EBADF (Bad file descriptor) [pid 5313] close(24) = -1 EBADF (Bad file descriptor) [pid 5313] close(25) = -1 EBADF (Bad file descriptor) [pid 5313] close(26) = -1 EBADF (Bad file descriptor) [pid 5313] close(27) = -1 EBADF (Bad file descriptor) [pid 5313] close(28) = -1 EBADF (Bad file descriptor) [pid 5313] close(29) = -1 EBADF (Bad file descriptor) [pid 5313] exit_group(0) = ? [pid 5313] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=244, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- [pid 5062] umount2("./242", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./242", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./242/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./242/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./242/cgroup.cpu") = 0 [pid 5062] umount2("./242/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./242/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./242/binderfs") = 0 [pid 5062] umount2("./242/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./242/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./242/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./242/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./242/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./242/file0") = 0 [pid 5062] umount2("./242/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./242/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./242/cgroup") = 0 [pid 5062] umount2("./242/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./242/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./242/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./242") = 0 [pid 5062] mkdir("./243", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5314 attached [pid 5314] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 245 [pid 5314] <... set_robust_list resumed>) = 0 [pid 5314] chdir("./243") = 0 [pid 5314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5314] setpgid(0, 0) = 0 [pid 5314] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5314] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5314] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5314] write(3, "1000", 4) = 4 [pid 5314] close(3) = 0 [pid 5314] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5314] memfd_create("syzkaller", 0) = 3 [pid 5314] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5314] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5314] munmap(0x7f9497c79000, 138412032) = 0 [pid 5314] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5314] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5314] close(3) = 0 [pid 5314] mkdir("./file0", 0777) = 0 [ 234.306064][ T5314] loop0: detected capacity change from 0 to 4096 [ 234.319969][ T5314] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5314] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5314] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5314] chdir("./file0") = 0 [pid 5314] ioctl(4, LOOP_CLR_FD) = 0 [ 234.355245][ T5314] ntfs: volume version 3.1. [pid 5314] close(4) = 0 [pid 5314] creat("./file2", 000) = 4 [pid 5314] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5314] creat("./file2", 000) = 5 [pid 5314] close(3) = 0 [pid 5314] close(4) = 0 [pid 5314] close(5) = 0 [pid 5314] close(6) = -1 EBADF (Bad file descriptor) [pid 5314] close(7) = -1 EBADF (Bad file descriptor) [pid 5314] close(8) = -1 EBADF (Bad file descriptor) [pid 5314] close(9) = -1 EBADF (Bad file descriptor) [pid 5314] close(10) = -1 EBADF (Bad file descriptor) [pid 5314] close(11) = -1 EBADF (Bad file descriptor) [pid 5314] close(12) = -1 EBADF (Bad file descriptor) [pid 5314] close(13) = -1 EBADF (Bad file descriptor) [pid 5314] close(14) = -1 EBADF (Bad file descriptor) [pid 5314] close(15) = -1 EBADF (Bad file descriptor) [pid 5314] close(16) = -1 EBADF (Bad file descriptor) [pid 5314] close(17) = -1 EBADF (Bad file descriptor) [pid 5314] close(18) = -1 EBADF (Bad file descriptor) [pid 5314] close(19) = -1 EBADF (Bad file descriptor) [pid 5314] close(20) = -1 EBADF (Bad file descriptor) [pid 5314] close(21) = -1 EBADF (Bad file descriptor) [pid 5314] close(22) = -1 EBADF (Bad file descriptor) [pid 5314] close(23) = -1 EBADF (Bad file descriptor) [pid 5314] close(24) = -1 EBADF (Bad file descriptor) [pid 5314] close(25) = -1 EBADF (Bad file descriptor) [pid 5314] close(26) = -1 EBADF (Bad file descriptor) [pid 5314] close(27) = -1 EBADF (Bad file descriptor) [pid 5314] close(28) = -1 EBADF (Bad file descriptor) [pid 5314] close(29) = -1 EBADF (Bad file descriptor) [pid 5314] exit_group(0) = ? [pid 5314] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=245, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5062] umount2("./243", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./243", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./243/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./243/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./243/cgroup.cpu") = 0 [pid 5062] umount2("./243/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./243/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./243/binderfs") = 0 [pid 5062] umount2("./243/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./243/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./243/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./243/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./243/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./243/file0") = 0 [pid 5062] umount2("./243/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./243/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./243/cgroup") = 0 [pid 5062] umount2("./243/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./243/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./243/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./243") = 0 [pid 5062] mkdir("./244", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5315 attached [pid 5315] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 246 [pid 5315] <... set_robust_list resumed>) = 0 [pid 5315] chdir("./244") = 0 [pid 5315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5315] setpgid(0, 0) = 0 [pid 5315] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5315] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5315] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5315] write(3, "1000", 4) = 4 [pid 5315] close(3) = 0 [pid 5315] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5315] memfd_create("syzkaller", 0) = 3 [pid 5315] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5315] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5315] munmap(0x7f9497c79000, 138412032) = 0 [pid 5315] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5315] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5315] close(3) = 0 [pid 5315] mkdir("./file0", 0777) = 0 [ 234.964252][ T5315] loop0: detected capacity change from 0 to 4096 [ 234.987246][ T5315] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5315] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5315] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5315] chdir("./file0") = 0 [pid 5315] ioctl(4, LOOP_CLR_FD) = 0 [pid 5315] close(4) = 0 [ 235.021594][ T5315] ntfs: volume version 3.1. [pid 5315] creat("./file2", 000) = 4 [pid 5315] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5315] creat("./file2", 000) = 5 [pid 5315] close(3) = 0 [pid 5315] close(4) = 0 [pid 5315] close(5) = 0 [pid 5315] close(6) = -1 EBADF (Bad file descriptor) [pid 5315] close(7) = -1 EBADF (Bad file descriptor) [pid 5315] close(8) = -1 EBADF (Bad file descriptor) [pid 5315] close(9) = -1 EBADF (Bad file descriptor) [pid 5315] close(10) = -1 EBADF (Bad file descriptor) [pid 5315] close(11) = -1 EBADF (Bad file descriptor) [pid 5315] close(12) = -1 EBADF (Bad file descriptor) [pid 5315] close(13) = -1 EBADF (Bad file descriptor) [pid 5315] close(14) = -1 EBADF (Bad file descriptor) [pid 5315] close(15) = -1 EBADF (Bad file descriptor) [pid 5315] close(16) = -1 EBADF (Bad file descriptor) [pid 5315] close(17) = -1 EBADF (Bad file descriptor) [pid 5315] close(18) = -1 EBADF (Bad file descriptor) [pid 5315] close(19) = -1 EBADF (Bad file descriptor) [pid 5315] close(20) = -1 EBADF (Bad file descriptor) [pid 5315] close(21) = -1 EBADF (Bad file descriptor) [pid 5315] close(22) = -1 EBADF (Bad file descriptor) [pid 5315] close(23) = -1 EBADF (Bad file descriptor) [pid 5315] close(24) = -1 EBADF (Bad file descriptor) [pid 5315] close(25) = -1 EBADF (Bad file descriptor) [pid 5315] close(26) = -1 EBADF (Bad file descriptor) [pid 5315] close(27) = -1 EBADF (Bad file descriptor) [pid 5315] close(28) = -1 EBADF (Bad file descriptor) [pid 5315] close(29) = -1 EBADF (Bad file descriptor) [pid 5315] exit_group(0) = ? [pid 5315] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=246, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./244", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./244", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./244/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./244/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./244/cgroup.cpu") = 0 [pid 5062] umount2("./244/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./244/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./244/binderfs") = 0 [pid 5062] umount2("./244/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./244/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./244/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./244/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./244/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./244/file0") = 0 [pid 5062] umount2("./244/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./244/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./244/cgroup") = 0 [pid 5062] umount2("./244/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./244/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./244/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./244") = 0 [pid 5062] mkdir("./245", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5316 attached [pid 5316] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 247 [pid 5316] <... set_robust_list resumed>) = 0 [pid 5316] chdir("./245") = 0 [pid 5316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5316] setpgid(0, 0) = 0 [pid 5316] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5316] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5316] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5316] write(3, "1000", 4) = 4 [pid 5316] close(3) = 0 [pid 5316] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5316] memfd_create("syzkaller", 0) = 3 [pid 5316] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5316] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5316] munmap(0x7f9497c79000, 138412032) = 0 [pid 5316] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5316] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5316] close(3) = 0 [pid 5316] mkdir("./file0", 0777) = 0 [ 235.618922][ T5316] loop0: detected capacity change from 0 to 4096 [ 235.633129][ T5316] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5316] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5316] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5316] chdir("./file0") = 0 [pid 5316] ioctl(4, LOOP_CLR_FD) = 0 [pid 5316] close(4) = 0 [ 235.666674][ T5316] ntfs: volume version 3.1. [pid 5316] creat("./file2", 000) = 4 [pid 5316] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5316] creat("./file2", 000) = 5 [pid 5316] close(3) = 0 [pid 5316] close(4) = 0 [pid 5316] close(5) = 0 [pid 5316] close(6) = -1 EBADF (Bad file descriptor) [pid 5316] close(7) = -1 EBADF (Bad file descriptor) [pid 5316] close(8) = -1 EBADF (Bad file descriptor) [pid 5316] close(9) = -1 EBADF (Bad file descriptor) [pid 5316] close(10) = -1 EBADF (Bad file descriptor) [pid 5316] close(11) = -1 EBADF (Bad file descriptor) [pid 5316] close(12) = -1 EBADF (Bad file descriptor) [pid 5316] close(13) = -1 EBADF (Bad file descriptor) [pid 5316] close(14) = -1 EBADF (Bad file descriptor) [pid 5316] close(15) = -1 EBADF (Bad file descriptor) [pid 5316] close(16) = -1 EBADF (Bad file descriptor) [pid 5316] close(17) = -1 EBADF (Bad file descriptor) [pid 5316] close(18) = -1 EBADF (Bad file descriptor) [pid 5316] close(19) = -1 EBADF (Bad file descriptor) [pid 5316] close(20) = -1 EBADF (Bad file descriptor) [pid 5316] close(21) = -1 EBADF (Bad file descriptor) [pid 5316] close(22) = -1 EBADF (Bad file descriptor) [pid 5316] close(23) = -1 EBADF (Bad file descriptor) [pid 5316] close(24) = -1 EBADF (Bad file descriptor) [pid 5316] close(25) = -1 EBADF (Bad file descriptor) [pid 5316] close(26) = -1 EBADF (Bad file descriptor) [pid 5316] close(27) = -1 EBADF (Bad file descriptor) [pid 5316] close(28) = -1 EBADF (Bad file descriptor) [pid 5316] close(29) = -1 EBADF (Bad file descriptor) [pid 5316] exit_group(0) = ? [pid 5316] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=247, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] umount2("./245", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./245", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./245/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./245/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./245/cgroup.cpu") = 0 [pid 5062] umount2("./245/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./245/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./245/binderfs") = 0 [pid 5062] umount2("./245/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./245/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./245/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./245/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./245/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./245/file0") = 0 [pid 5062] umount2("./245/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./245/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./245/cgroup") = 0 [pid 5062] umount2("./245/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./245/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./245/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./245") = 0 [pid 5062] mkdir("./246", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5317 attached [pid 5317] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 248 [pid 5317] <... set_robust_list resumed>) = 0 [pid 5317] chdir("./246") = 0 [pid 5317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5317] setpgid(0, 0) = 0 [pid 5317] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5317] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5317] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5317] write(3, "1000", 4) = 4 [pid 5317] close(3) = 0 [pid 5317] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5317] memfd_create("syzkaller", 0) = 3 [pid 5317] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5317] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5317] munmap(0x7f9497c79000, 138412032) = 0 [pid 5317] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5317] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5317] close(3) = 0 [pid 5317] mkdir("./file0", 0777) = 0 [ 236.227388][ T5317] loop0: detected capacity change from 0 to 4096 [ 236.253260][ T5317] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5317] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5317] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5317] chdir("./file0") = 0 [pid 5317] ioctl(4, LOOP_CLR_FD) = 0 [pid 5317] close(4) = 0 [ 236.289649][ T5317] ntfs: volume version 3.1. [pid 5317] creat("./file2", 000) = 4 [pid 5317] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5317] creat("./file2", 000) = 5 [pid 5317] close(3) = 0 [pid 5317] close(4) = 0 [pid 5317] close(5) = 0 [pid 5317] close(6) = -1 EBADF (Bad file descriptor) [pid 5317] close(7) = -1 EBADF (Bad file descriptor) [pid 5317] close(8) = -1 EBADF (Bad file descriptor) [pid 5317] close(9) = -1 EBADF (Bad file descriptor) [pid 5317] close(10) = -1 EBADF (Bad file descriptor) [pid 5317] close(11) = -1 EBADF (Bad file descriptor) [pid 5317] close(12) = -1 EBADF (Bad file descriptor) [pid 5317] close(13) = -1 EBADF (Bad file descriptor) [pid 5317] close(14) = -1 EBADF (Bad file descriptor) [pid 5317] close(15) = -1 EBADF (Bad file descriptor) [pid 5317] close(16) = -1 EBADF (Bad file descriptor) [pid 5317] close(17) = -1 EBADF (Bad file descriptor) [pid 5317] close(18) = -1 EBADF (Bad file descriptor) [pid 5317] close(19) = -1 EBADF (Bad file descriptor) [pid 5317] close(20) = -1 EBADF (Bad file descriptor) [pid 5317] close(21) = -1 EBADF (Bad file descriptor) [pid 5317] close(22) = -1 EBADF (Bad file descriptor) [pid 5317] close(23) = -1 EBADF (Bad file descriptor) [pid 5317] close(24) = -1 EBADF (Bad file descriptor) [pid 5317] close(25) = -1 EBADF (Bad file descriptor) [pid 5317] close(26) = -1 EBADF (Bad file descriptor) [pid 5317] close(27) = -1 EBADF (Bad file descriptor) [pid 5317] close(28) = -1 EBADF (Bad file descriptor) [pid 5317] close(29) = -1 EBADF (Bad file descriptor) [pid 5317] exit_group(0) = ? [pid 5317] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=248, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5062] umount2("./246", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./246", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./246/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./246/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./246/cgroup.cpu") = 0 [pid 5062] umount2("./246/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./246/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./246/binderfs") = 0 [pid 5062] umount2("./246/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./246/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./246/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./246/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./246/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./246/file0") = 0 [pid 5062] umount2("./246/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./246/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./246/cgroup") = 0 [pid 5062] umount2("./246/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./246/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./246/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./246") = 0 [pid 5062] mkdir("./247", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5318 attached , child_tidptr=0x555556e8b650) = 249 [pid 5318] set_robust_list(0x555556e8b660, 24) = 0 [pid 5318] chdir("./247") = 0 [pid 5318] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5318] setpgid(0, 0) = 0 [pid 5318] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5318] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5318] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5318] write(3, "1000", 4) = 4 [pid 5318] close(3) = 0 [pid 5318] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5318] memfd_create("syzkaller", 0) = 3 [pid 5318] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5318] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5318] munmap(0x7f9497c79000, 138412032) = 0 [pid 5318] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5318] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5318] close(3) = 0 [pid 5318] mkdir("./file0", 0777) = 0 [ 236.926322][ T5318] loop0: detected capacity change from 0 to 4096 [ 236.941843][ T5318] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5318] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5318] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5318] chdir("./file0") = 0 [pid 5318] ioctl(4, LOOP_CLR_FD) = 0 [pid 5318] close(4) = 0 [pid 5318] creat("./file2", 000) = 4 [ 236.974518][ T5318] ntfs: volume version 3.1. [pid 5318] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5318] creat("./file2", 000) = 5 [pid 5318] close(3) = 0 [pid 5318] close(4) = 0 [pid 5318] close(5) = 0 [pid 5318] close(6) = -1 EBADF (Bad file descriptor) [pid 5318] close(7) = -1 EBADF (Bad file descriptor) [pid 5318] close(8) = -1 EBADF (Bad file descriptor) [pid 5318] close(9) = -1 EBADF (Bad file descriptor) [pid 5318] close(10) = -1 EBADF (Bad file descriptor) [pid 5318] close(11) = -1 EBADF (Bad file descriptor) [pid 5318] close(12) = -1 EBADF (Bad file descriptor) [pid 5318] close(13) = -1 EBADF (Bad file descriptor) [pid 5318] close(14) = -1 EBADF (Bad file descriptor) [pid 5318] close(15) = -1 EBADF (Bad file descriptor) [pid 5318] close(16) = -1 EBADF (Bad file descriptor) [pid 5318] close(17) = -1 EBADF (Bad file descriptor) [pid 5318] close(18) = -1 EBADF (Bad file descriptor) [pid 5318] close(19) = -1 EBADF (Bad file descriptor) [pid 5318] close(20) = -1 EBADF (Bad file descriptor) [pid 5318] close(21) = -1 EBADF (Bad file descriptor) [pid 5318] close(22) = -1 EBADF (Bad file descriptor) [pid 5318] close(23) = -1 EBADF (Bad file descriptor) [pid 5318] close(24) = -1 EBADF (Bad file descriptor) [pid 5318] close(25) = -1 EBADF (Bad file descriptor) [pid 5318] close(26) = -1 EBADF (Bad file descriptor) [pid 5318] close(27) = -1 EBADF (Bad file descriptor) [pid 5318] close(28) = -1 EBADF (Bad file descriptor) [pid 5318] close(29) = -1 EBADF (Bad file descriptor) [pid 5318] exit_group(0) = ? [pid 5318] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=249, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5062] umount2("./247", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./247", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./247/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./247/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./247/cgroup.cpu") = 0 [pid 5062] umount2("./247/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./247/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./247/binderfs") = 0 [pid 5062] umount2("./247/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./247/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./247/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./247/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./247/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./247/file0") = 0 [pid 5062] umount2("./247/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./247/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./247/cgroup") = 0 [pid 5062] umount2("./247/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./247/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./247/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./247") = 0 [pid 5062] mkdir("./248", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5319 attached [pid 5319] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 250 [pid 5319] <... set_robust_list resumed>) = 0 [pid 5319] chdir("./248") = 0 [pid 5319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5319] setpgid(0, 0) = 0 [pid 5319] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5319] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5319] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5319] write(3, "1000", 4) = 4 [pid 5319] close(3) = 0 [pid 5319] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5319] memfd_create("syzkaller", 0) = 3 [pid 5319] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5319] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5319] munmap(0x7f9497c79000, 138412032) = 0 [pid 5319] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5319] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5319] close(3) = 0 [pid 5319] mkdir("./file0", 0777) = 0 [ 237.622088][ T5319] loop0: detected capacity change from 0 to 4096 [ 237.642349][ T5319] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5319] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5319] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5319] chdir("./file0") = 0 [pid 5319] ioctl(4, LOOP_CLR_FD) = 0 [pid 5319] close(4) = 0 [ 237.677618][ T5319] ntfs: volume version 3.1. [pid 5319] creat("./file2", 000) = 4 [pid 5319] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5319] creat("./file2", 000) = 5 [pid 5319] close(3) = 0 [pid 5319] close(4) = 0 [pid 5319] close(5) = 0 [pid 5319] close(6) = -1 EBADF (Bad file descriptor) [pid 5319] close(7) = -1 EBADF (Bad file descriptor) [pid 5319] close(8) = -1 EBADF (Bad file descriptor) [pid 5319] close(9) = -1 EBADF (Bad file descriptor) [pid 5319] close(10) = -1 EBADF (Bad file descriptor) [pid 5319] close(11) = -1 EBADF (Bad file descriptor) [pid 5319] close(12) = -1 EBADF (Bad file descriptor) [pid 5319] close(13) = -1 EBADF (Bad file descriptor) [pid 5319] close(14) = -1 EBADF (Bad file descriptor) [pid 5319] close(15) = -1 EBADF (Bad file descriptor) [pid 5319] close(16) = -1 EBADF (Bad file descriptor) [pid 5319] close(17) = -1 EBADF (Bad file descriptor) [pid 5319] close(18) = -1 EBADF (Bad file descriptor) [pid 5319] close(19) = -1 EBADF (Bad file descriptor) [pid 5319] close(20) = -1 EBADF (Bad file descriptor) [pid 5319] close(21) = -1 EBADF (Bad file descriptor) [pid 5319] close(22) = -1 EBADF (Bad file descriptor) [pid 5319] close(23) = -1 EBADF (Bad file descriptor) [pid 5319] close(24) = -1 EBADF (Bad file descriptor) [pid 5319] close(25) = -1 EBADF (Bad file descriptor) [pid 5319] close(26) = -1 EBADF (Bad file descriptor) [pid 5319] close(27) = -1 EBADF (Bad file descriptor) [pid 5319] close(28) = -1 EBADF (Bad file descriptor) [pid 5319] close(29) = -1 EBADF (Bad file descriptor) [pid 5319] exit_group(0) = ? [pid 5319] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=250, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./248", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./248", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./248/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./248/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./248/cgroup.cpu") = 0 [pid 5062] umount2("./248/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./248/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./248/binderfs") = 0 [pid 5062] umount2("./248/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./248/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./248/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./248/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./248/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./248/file0") = 0 [pid 5062] umount2("./248/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./248/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./248/cgroup") = 0 [pid 5062] umount2("./248/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./248/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./248/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./248") = 0 [pid 5062] mkdir("./249", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5320 attached [pid 5320] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 251 [pid 5320] <... set_robust_list resumed>) = 0 [pid 5320] chdir("./249") = 0 [pid 5320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5320] setpgid(0, 0) = 0 [pid 5320] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5320] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5320] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5320] write(3, "1000", 4) = 4 [pid 5320] close(3) = 0 [pid 5320] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5320] memfd_create("syzkaller", 0) = 3 [pid 5320] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5320] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5320] munmap(0x7f9497c79000, 138412032) = 0 [pid 5320] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5320] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5320] close(3) = 0 [pid 5320] mkdir("./file0", 0777) = 0 [ 238.366458][ T5320] loop0: detected capacity change from 0 to 4096 [ 238.387183][ T5320] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5320] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5320] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5320] chdir("./file0") = 0 [pid 5320] ioctl(4, LOOP_CLR_FD) = 0 [pid 5320] close(4) = 0 [ 238.421715][ T5320] ntfs: volume version 3.1. [pid 5320] creat("./file2", 000) = 4 [pid 5320] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699) = 65007 [pid 5320] creat("./file2", 000) = 5 [pid 5320] close(3) = 0 [pid 5320] close(4) = 0 [pid 5320] close(5) = 0 [pid 5320] close(6) = -1 EBADF (Bad file descriptor) [pid 5320] close(7) = -1 EBADF (Bad file descriptor) [pid 5320] close(8) = -1 EBADF (Bad file descriptor) [pid 5320] close(9) = -1 EBADF (Bad file descriptor) [pid 5320] close(10) = -1 EBADF (Bad file descriptor) [pid 5320] close(11) = -1 EBADF (Bad file descriptor) [pid 5320] close(12) = -1 EBADF (Bad file descriptor) [pid 5320] close(13) = -1 EBADF (Bad file descriptor) [pid 5320] close(14) = -1 EBADF (Bad file descriptor) [pid 5320] close(15) = -1 EBADF (Bad file descriptor) [pid 5320] close(16) = -1 EBADF (Bad file descriptor) [pid 5320] close(17) = -1 EBADF (Bad file descriptor) [pid 5320] close(18) = -1 EBADF (Bad file descriptor) [pid 5320] close(19) = -1 EBADF (Bad file descriptor) [pid 5320] close(20) = -1 EBADF (Bad file descriptor) [pid 5320] close(21) = -1 EBADF (Bad file descriptor) [pid 5320] close(22) = -1 EBADF (Bad file descriptor) [pid 5320] close(23) = -1 EBADF (Bad file descriptor) [pid 5320] close(24) = -1 EBADF (Bad file descriptor) [pid 5320] close(25) = -1 EBADF (Bad file descriptor) [pid 5320] close(26) = -1 EBADF (Bad file descriptor) [pid 5320] close(27) = -1 EBADF (Bad file descriptor) [pid 5320] close(28) = -1 EBADF (Bad file descriptor) [pid 5320] close(29) = -1 EBADF (Bad file descriptor) [pid 5320] exit_group(0) = ? [pid 5320] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=251, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] umount2("./249", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./249", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./249/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./249/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./249/cgroup.cpu") = 0 [pid 5062] umount2("./249/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./249/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./249/binderfs") = 0 [pid 5062] umount2("./249/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./249/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./249/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./249/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./249/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./249/file0") = 0 [pid 5062] umount2("./249/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./249/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./249/cgroup") = 0 [pid 5062] umount2("./249/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./249/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./249/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./249") = 0 [pid 5062] mkdir("./250", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5321 attached [pid 5321] set_robust_list(0x555556e8b660, 24 [pid 5062] <... clone resumed>, child_tidptr=0x555556e8b650) = 252 [pid 5321] <... set_robust_list resumed>) = 0 [pid 5321] chdir("./250") = 0 [pid 5321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5321] setpgid(0, 0) = 0 [pid 5321] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5321] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5321] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5321] write(3, "1000", 4) = 4 [pid 5321] close(3) = 0 [pid 5321] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5321] memfd_create("syzkaller", 0) = 3 [pid 5321] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5321] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5321] munmap(0x7f9497c79000, 138412032) = 0 [pid 5321] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5321] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5321] close(3) = 0 [pid 5321] mkdir("./file0", 0777) = 0 [ 239.060608][ T5321] loop0: detected capacity change from 0 to 4096 [ 239.077089][ T5321] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [pid 5321] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5321] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5321] chdir("./file0") = 0 [pid 5321] ioctl(4, LOOP_CLR_FD) = 0 [pid 5321] close(4) = 0 [pid 5321] creat("./file2", 000) = 4 [ 239.112171][ T5321] ntfs: volume version 3.1. [pid 5321] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699 [pid 5062] kill(-252, SIGKILL) = 0 [pid 5062] kill(252, SIGKILL) = 0 [pid 5062] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [ 274.032487][ T3682] [ 274.034853][ T3682] ====================================================== [ 274.042046][ T3682] WARNING: possible circular locking dependency detected [ 274.049065][ T3682] 6.6.0-syzkaller-16159-g3ca112b71f35 #0 Not tainted [ 274.055824][ T3682] ------------------------------------------------------ [ 274.063452][ T3682] kworker/u4:9/3682 is trying to acquire lock: [ 274.069608][ T3682] ffff888072296640 (&rl->lock){++++}-{3:3}, at: ntfs_read_folio+0x1a96/0x2420 [ 274.078778][ T3682] [ 274.078778][ T3682] but task is already holding lock: [ 274.086148][ T3682] ffff8880723b4190 (&ni->mrec_lock){+.+.}-{3:3}, at: map_mft_record+0x4a/0x730 [ 274.095170][ T3682] [ 274.095170][ T3682] which lock already depends on the new lock. [ 274.095170][ T3682] [ 274.105669][ T3682] [ 274.105669][ T3682] the existing dependency chain (in reverse order) is: [ 274.114689][ T3682] [ 274.114689][ T3682] -> #1 (&ni->mrec_lock){+.+.}-{3:3}: [ 274.122268][ T3682] __mutex_lock+0x181/0x1340 [ 274.127505][ T3682] map_mft_record+0x4a/0x730 [ 274.132734][ T3682] ntfs_truncate+0x263/0x2a10 [ 274.137954][ T3682] ntfs_setattr+0x44d/0x640 [ 274.140400][ T5321] ntfs: (device loop0): ntfs_prepare_file_for_write(): Cannot perform write to inode 0x44, attribute type 0x80, because extending the initialized size failed (error 12). [ 274.142983][ T3682] notify_change+0x742/0x11c0 [ 274.165183][ T3682] do_truncate+0x15c/0x220 [ 274.170167][ T3682] path_openat+0x2601/0x2c40 [ 274.175716][ T3682] do_filp_open+0x1de/0x430 [ 274.180754][ T3682] do_sys_openat2+0x176/0x1e0 [ 274.185957][ T3682] __x64_sys_creat+0xcd/0x120 [ 274.191157][ T3682] do_syscall_64+0x3f/0x110 [ 274.196243][ T3682] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 274.202694][ T3682] [ 274.202694][ T3682] -> #0 (&rl->lock){++++}-{3:3}: [ 274.209827][ T3682] __lock_acquire+0x2e3d/0x5de0 [ 274.215224][ T3682] lock_acquire+0x1ae/0x510 [ 274.220255][ T3682] down_read+0x9c/0x470 [ 274.224941][ T3682] ntfs_read_folio+0x1a96/0x2420 [ 274.230409][ T3682] filemap_read_folio+0xe9/0x2c0 [ 274.235886][ T3682] do_read_cache_folio+0x205/0x540 [ 274.241518][ T3682] read_cache_page+0x5b/0x160 [ 274.246726][ T3682] ntfs_sync_mft_mirror+0x242/0x1eb0 [ 274.252548][ T3682] write_mft_record_nolock+0x1967/0x1d90 [ 274.258881][ T3682] write_mft_record+0x14b/0x380 [ 274.264341][ T3682] __ntfs_write_inode+0x91b/0xc30 [ 274.269976][ T3682] __writeback_single_inode+0xa81/0xe70 [ 274.276044][ T3682] writeback_sb_inodes+0x599/0x1070 [ 274.281872][ T3682] __writeback_inodes_wb+0xff/0x2d0 [ 274.287962][ T3682] wb_writeback+0x7f8/0xa90 [ 274.292998][ T3682] wb_workfn+0xa02/0xfd0 [ 274.297855][ T3682] process_one_work+0x884/0x15c0 [ 274.303340][ T3682] worker_thread+0x8b9/0x1290 [ 274.308627][ T3682] kthread+0x33c/0x440 [ 274.313220][ T3682] ret_from_fork+0x45/0x80 [ 274.318183][ T3682] ret_from_fork_asm+0x11/0x20 [ 274.323484][ T3682] [ 274.323484][ T3682] other info that might help us debug this: [ 274.323484][ T3682] [ 274.333880][ T3682] Possible unsafe locking scenario: [ 274.333880][ T3682] [ 274.341331][ T3682] CPU0 CPU1 [ 274.346737][ T3682] ---- ---- [ 274.352096][ T3682] lock(&ni->mrec_lock); [ 274.356439][ T3682] lock(&rl->lock); [ 274.362963][ T3682] lock(&ni->mrec_lock); [ 274.369808][ T3682] rlock(&rl->lock); [ 274.373791][ T3682] [ 274.373791][ T3682] *** DEADLOCK *** [ 274.373791][ T3682] [ 274.381941][ T3682] 4 locks held by kworker/u4:9/3682: [ 274.387406][ T3682] #0: ffff888144259138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x787/0x15c0 [ 274.398121][ T3682] #1: ffffc9000bb5fd80 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x7e9/0x15c0 [ 274.410234][ T3682] #2: ffff8880797760e0 (&type->s_umount_key#66){++++}-{3:3}, at: super_trylock_shared+0x1e/0xf0 [ 274.420960][ T3682] #3: ffff8880723b4190 (&ni->mrec_lock){+.+.}-{3:3}, at: map_mft_record+0x4a/0x730 [ 274.430570][ T3682] [ 274.430570][ T3682] stack backtrace: [ 274.436455][ T3682] CPU: 1 PID: 3682 Comm: kworker/u4:9 Not tainted 6.6.0-syzkaller-16159-g3ca112b71f35 #0 [ 274.446654][ T3682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 274.457493][ T3682] Workqueue: writeback wb_workfn (flush-7:0) [ 274.464540][ T3682] Call Trace: [ 274.467912][ T3682] [ 274.470949][ T3682] dump_stack_lvl+0xd9/0x1b0 [ 274.475787][ T3682] check_noncircular+0x311/0x3f0 [ 274.481083][ T3682] ? print_circular_bug+0x750/0x750 [ 274.486656][ T3682] __lock_acquire+0x2e3d/0x5de0 [ 274.491709][ T3682] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 274.497816][ T3682] lock_acquire+0x1ae/0x510 [ 274.502324][ T3682] ? ntfs_read_folio+0x1a96/0x2420 [ 274.507438][ T3682] ? lock_sync+0x190/0x190 [ 274.512115][ T3682] ? find_held_lock+0x2d/0x110 [ 274.516881][ T3682] ? preempt_count_sub+0x150/0x150 [ 274.521999][ T3682] down_read+0x9c/0x470 [ 274.526176][ T3682] ? ntfs_read_folio+0x1a96/0x2420 [ 274.531393][ T3682] ? down_write_killable+0x250/0x250 [ 274.536691][ T3682] ? mark_held_locks+0x9f/0xe0 [ 274.541465][ T3682] ? _raw_read_unlock_irqrestore+0x4e/0x70 [ 274.547277][ T3682] ntfs_read_folio+0x1a96/0x2420 [ 274.552331][ T3682] ? __print_lock_name+0x1b0/0x260 [ 274.557454][ T3682] ? workingset_refault+0x4a2/0x11a0 [ 274.562775][ T3682] ? ntfs_end_buffer_async_read+0x18d0/0x18d0 [ 274.568866][ T3682] ? folio_add_lru+0x451/0x7d0 [ 274.573648][ T3682] ? ntfs_end_buffer_async_read+0x18d0/0x18d0 [ 274.579728][ T3682] filemap_read_folio+0xe9/0x2c0 [ 274.584674][ T3682] ? __folio_lock_killable+0x20/0x20 [ 274.590061][ T3682] ? __filemap_get_folio+0x2b0/0xa90 [ 274.595348][ T3682] ? print_usage_bug.part.0+0x670/0x670 [ 274.600899][ T3682] do_read_cache_folio+0x205/0x540 [ 274.606013][ T3682] ? ntfs_end_buffer_async_read+0x18d0/0x18d0 [ 274.612081][ T3682] read_cache_page+0x5b/0x160 [ 274.616759][ T3682] ntfs_sync_mft_mirror+0x242/0x1eb0 [ 274.622050][ T3682] ? should_fail_request+0x80/0x80 [ 274.627244][ T3682] ? percpu_counter_add_batch+0x112/0x1f0 [ 274.633110][ T3682] ? lockdep_hardirqs_on+0x7d/0x100 [ 274.638404][ T3682] ? ntfs_mft_bitmap_extend_allocation_nolock+0x1f10/0x1f10 [ 274.645874][ T3682] write_mft_record_nolock+0x1967/0x1d90 [ 274.651515][ T3682] ? kfence_protect+0xbf/0x190 [ 274.656320][ T3682] ? ntfs_sync_mft_mirror+0x1eb0/0x1eb0 [ 274.661894][ T3682] ? preempt_count_sub+0x150/0x150 [ 274.667020][ T3682] ? mark_held_locks+0x9f/0xe0 [ 274.671789][ T3682] write_mft_record+0x14b/0x380 [ 274.676650][ T3682] __ntfs_write_inode+0x91b/0xc30 [ 274.681683][ T3682] __writeback_single_inode+0xa81/0xe70 [ 274.687237][ T3682] ? __mark_inode_dirty+0xd50/0xd50 [ 274.692591][ T3682] ? _raw_spin_unlock+0x28/0x40 [ 274.697453][ T3682] ? wbc_attach_and_unlock_inode+0x561/0x910 [ 274.703443][ T3682] writeback_sb_inodes+0x599/0x1070 [ 274.708922][ T3682] ? sync_inode_metadata+0xe0/0xe0 [ 274.714562][ T3682] ? do_raw_spin_lock+0x12e/0x2b0 [ 274.719727][ T3682] ? move_expired_inodes+0x59e/0x850 [ 274.725225][ T3682] __writeback_inodes_wb+0xff/0x2d0 [ 274.730446][ T3682] ? writeback_sb_inodes+0x1070/0x1070 [ 274.736006][ T3682] ? queue_io+0x3ed/0x4e0 [ 274.740431][ T3682] wb_writeback+0x7f8/0xa90 [ 274.745399][ T3682] ? __writeback_inodes_wb+0x2d0/0x2d0 [ 274.754771][ T3682] ? reacquire_held_locks+0x4b0/0x4b0 [ 274.760263][ T3682] ? get_nr_dirty_inodes+0x176/0x1e0 [ 274.765911][ T3682] wb_workfn+0xa02/0xfd0 [ 274.770172][ T3682] ? inode_wait_for_writeback+0x30/0x30 [ 274.775746][ T3682] ? lock_sync+0x190/0x190 [ 274.780172][ T3682] ? lock_sync+0x190/0x190 [ 274.784690][ T3682] process_one_work+0x884/0x15c0 [ 274.789727][ T3682] ? lock_sync+0x190/0x190 [ 274.794167][ T3682] ? init_worker_pool+0x770/0x770 [ 274.799197][ T3682] ? assign_work+0x1a0/0x240 [ 274.803903][ T3682] worker_thread+0x8b9/0x1290 [ 274.808693][ T3682] ? __kthread_parkme+0x14b/0x220 [ 274.813717][ T3682] ? process_one_work+0x15c0/0x15c0 [ 274.819012][ T3682] kthread+0x33c/0x440 [ 274.823232][ T3682] ? _raw_spin_unlock_irq+0x23/0x50 [ 274.828445][ T3682] ? kthread_complete_and_exit+0x40/0x40 [pid 5321] <... pwritev resumed>) = ? [pid 5321] +++ killed by SIGKILL +++ [ 274.834080][ T3682] ret_from_fork+0x45/0x80 [ 274.838709][ T3682] ? kthread_complete_and_exit+0x40/0x40 [ 274.844431][ T3682] ret_from_fork_asm+0x11/0x20 [ 274.849475][ T3682] [ 274.854214][ T3682] ntfs: (device loop0): ntfs_write_block(): Writing beyond initialized size is not supported yet. Sorry. [ 274.866904][ T3682] ntfs: (device loop0): ntfs_write_block(): Writing beyond initialized size is not supported yet. Sorry. [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=252, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=3481 /* 34.81 s */} --- [pid 5062] umount2("./250", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./250", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5062] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 7 entries */, 32768) = 208 [pid 5062] umount2("./250/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./250/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 274.878335][ T3682] ntfs: (device loop0): ntfs_write_block(): Writing beyond initialized size is not supported yet. Sorry. [ 274.890216][ T3682] ntfs: (device loop0): ntfs_write_block(): Writing beyond initialized size is not supported yet. Sorry. [ 274.901534][ T3682] ntfs: (device loop0): ntfs_write_block(): Writing beyond initialized size is not supported yet. Sorry. [ 274.913576][ T3682] ntfs: (device loop0): ntfs_write_block(): Writing beyond initialized size is not supported yet. Sorry. [ 274.925474][ T3682] ntfs: (device loop0): ntfs_write_block(): Writing beyond initialized size is not supported yet. Sorry. [pid 5062] unlink("./250/cgroup.cpu") = 0 [pid 5062] umount2("./250/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./250/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./250/binderfs") = 0 [ 274.937213][ T3682] ntfs: (device loop0): ntfs_write_block(): Writing beyond initialized size is not supported yet. Sorry. [ 274.948756][ T3682] ntfs: (device loop0): ntfs_write_block(): Writing beyond initialized size is not supported yet. Sorry. [pid 5062] umount2("./250/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5062] umount2("./250/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./250/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] umount2("./250/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] openat(AT_FDCWD, "./250/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5062] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5062] getdents64(4, 0x555556e94730 /* 2 entries */, 32768) = 48 [pid 5062] getdents64(4, 0x555556e94730 /* 0 entries */, 32768) = 0 [pid 5062] close(4) = 0 [pid 5062] rmdir("./250/file0") = 0 [pid 5062] umount2("./250/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./250/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./250/cgroup") = 0 [pid 5062] umount2("./250/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5062] newfstatat(AT_FDCWD, "./250/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5062] unlink("./250/cgroup.net") = 0 [pid 5062] getdents64(3, 0x555556e8c6f0 /* 0 entries */, 32768) = 0 [pid 5062] close(3) = 0 [pid 5062] rmdir("./250") = 0 [pid 5062] mkdir("./251", 0777) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5329 attached , child_tidptr=0x555556e8b650) = 253 [pid 5329] set_robust_list(0x555556e8b660, 24) = 0 [pid 5329] chdir("./251") = 0 [pid 5329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5329] setpgid(0, 0) = 0 [pid 5329] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5329] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5329] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5329] write(3, "1000", 4) = 4 [pid 5329] close(3) = 0 [pid 5329] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5329] memfd_create("syzkaller", 0) = 3 [pid 5329] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9497c79000 [pid 5329] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5329] munmap(0x7f9497c79000, 138412032) = 0 [pid 5329] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5329] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5329] close(3) = 0 [pid 5329] mkdir("./file0", 0777) = 0 [ 275.290407][ T5329] loop0: detected capacity change from 0 to 4096 [pid 5329] mount("/dev/loop0", "./file0", "ntfs", 0, "umask=00000000000040000000001,gid=0x000000000000ee00,utf8,mft_zone_multiplier=0x0000000000000003,nls"...) = 0 [pid 5329] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5329] chdir("./file0") = 0 [pid 5329] ioctl(4, LOOP_CLR_FD) = 0 [pid 5329] close(4) = 0 [ 275.335685][ T5329] ntfs: volume version 3.1. [pid 5329] creat("./file2", 000) = 4 [pid 5329] pwritev(4, [{iov_base="\x69\x74\x66\x73\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., iov_len=65007}], 1, 1048699 [pid 5062] kill(-253, SIGKILL) = 0 [pid 5062] kill(253, SIGKILL) = 0