diff options
Diffstat (limited to 'fs/overlayfs/overlayfs.h')
| -rw-r--r-- | fs/overlayfs/overlayfs.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h index 76747f5b0517..ffbb57b2d7f6 100644 --- a/fs/overlayfs/overlayfs.h +++ b/fs/overlayfs/overlayfs.h @@ -355,6 +355,9 @@ int ovl_check_fb_len(struct ovl_fb *fb, int fb_len); static inline int ovl_check_fh_len(struct ovl_fh *fh, int fh_len) { + if (fh_len < sizeof(struct ovl_fh)) + return -EINVAL; + return ovl_check_fb_len(&fh->fb, fh_len - OVL_FH_WIRE_OFFSET); } |