diff options
| author | Amir Goldstein <amir73il@gmail.com> | 2024-04-22 09:40:08 +0300 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@redhat.com> | 2024-04-22 17:13:43 +0200 |
| commit | aef8acd79f363ced098cd3bcde0a5978a52607ad (patch) | |
| tree | 9b317d3b74014cb7c6ea125dc1ceb10ab4baca44 /fs | |
| parent | ed30a4a51bb196781c8058073ea720133a65596f (diff) | |
fuse: verify zero padding in fuse_backing_map
To allow us extending the interface in the future.
Fixes: 44350256ab94 ("fuse: implement ioctls to manage backing files")
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/fuse/passthrough.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/fuse/passthrough.c b/fs/fuse/passthrough.c index 1567f0323858..9666d13884ce 100644 --- a/fs/fuse/passthrough.c +++ b/fs/fuse/passthrough.c @@ -225,7 +225,7 @@ int fuse_backing_open(struct fuse_conn *fc, struct fuse_backing_map *map) goto out; res = -EINVAL; - if (map->flags) + if (map->flags || map->padding) goto out; file = fget(map->fd); |