1 files changed, 7 insertions, 0 deletions

diff --git a/dir.c b/dir.c
index d604d1bab9..f8a11aa1ec 100644
--- a/dir.c
+++ b/dir.c
@@ -732,6 +732,13 @@ static void add_pattern_to_hashsets(struct pattern_list *pl, struct path_pattern
 		goto clear_hashmaps;
 	}
 
+	if (!(given->flags & PATTERN_FLAG_MUSTBEDIR) &&
+	    strcmp(given->pattern, "/*")) {
+		/* Not a cone pattern. */
+		warning(_("unrecognized pattern: '%s'"), given->pattern);
+		goto clear_hashmaps;
+	}
+
 	prev = given->pattern;
 	cur = given->pattern + 1;
 	next = given->pattern + 2;