X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/a991bd8d3e7fe02dbca0644054bab73c5b75324a..HEAD:/bsd/vfs/vfs_xattr.c

diff --git a/bsd/vfs/vfs_xattr.c b/bsd/vfs/vfs_xattr.c
index 0dfcf949f..8db2c859f 100644
--- a/bsd/vfs/vfs_xattr.c
+++ b/bsd/vfs/vfs_xattr.c
@@ -3207,6 +3207,7 @@ check_and_swap_attrhdr(attr_header_t *ah, attr_info_t *ainfop)
 	 */
 	end = ah->data_start + ah->data_length;
 	if (ah->total_size > ainfop->finderinfo->offset + ainfop->finderinfo->length ||
+	    ah->data_start < sizeof(attr_header_t) ||
 	    end < ah->data_start ||
 	    end > ah->total_size) {
 		return EINVAL;