diff options
| -rw-r--r-- | fs/open.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/open.c b/fs/open.c index 9af548fb841b..4d7537ae59df 100644 --- a/fs/open.c +++ b/fs/open.c @@ -1010,6 +1010,10 @@ inline int build_open_flags(const struct open_how *how, struct open_flags *op) if (how->resolve & ~VALID_RESOLVE_FLAGS) return -EINVAL; + /* Scoping flags are mutually exclusive. */ + if ((how->resolve & RESOLVE_BENEATH) && (how->resolve & RESOLVE_IN_ROOT)) + return -EINVAL; + /* Deal with the mode. */ if (WILL_CREATE(flags)) { if (how->mode & ~S_IALLUGO) |