From: Sunil K Pandey <skpgkp2@gmail.com>
Date: Wed, 25 May 2022 20:43:36 +0000 (-0700)
Subject: String: Improve overflow test coverage for strnlen
X-Git-Tag: glibc-2.36~241
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=7597b251d451fa099686344bbd9915bd481ba55b;p=thirdparty%2Fglibc.git

String: Improve overflow test coverage for strnlen

This patch adds more overflow test coverage for strnlen and wcsnlen.

Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
---

diff --git a/string/test-strnlen.c b/string/test-strnlen.c
index 83c4502b9ab..4a9375112ad 100644
--- a/string/test-strnlen.c
+++ b/string/test-strnlen.c
@@ -96,6 +96,8 @@ do_overflow_tests (void)
 
   for (i = 0; i < 750; ++i)
     {
+      do_test (1, i, SIZE_MAX, BIG_CHAR);
+
       do_test (0, i, SIZE_MAX - i, BIG_CHAR);
       do_test (0, i, i - buf_addr, BIG_CHAR);
       do_test (0, i, -buf_addr - i, BIG_CHAR);