linux-kernel - [PATCH] lib: parser: Fix match_wildcard to correctly handle trailing stars

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <20250814034953.3980271-1-inseob@google.com>
Date: Thu, 14 Aug 2025 12:49:53 +0900
From: Inseob Kim <inseob@...gle.com>
To: linux-kernel@...r.kernel.org
Cc: Inseob Kim <inseob@...gle.com>
Subject: [PATCH] lib: parser: Fix match_wildcard to correctly handle trailing stars

This fixes a bug of match_wildcard that incorrectly handles trailing
asterisks. For example, `match_wildcard("abc**", "abc")` must return
true, but it returns false.

Signed-off-by: Inseob Kim <inseob@...gle.com>
---
 lib/parser.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/parser.c b/lib/parser.c
index 73e8f8e5be73..62da0ac0d438 100644
--- a/lib/parser.c
+++ b/lib/parser.c
@@ -315,7 +315,7 @@ bool match_wildcard(const char *pattern, const char *str)
 		}
 	}
 
-	if (*p == '*')
+	while (*p == '*')
 		++p;
 	return !*p;
 }
-- 
2.51.0.rc0.215.g125493bb4a-goog