From: Samanta Navarro <ferivoz@riseup.net>
Date: Mon, 15 May 2023 11:58:04 +0000 (+0000)
Subject: xgetXXbyYY: Handle DUP_FUNCTION failure
X-Git-Tag: 4.14.0-rc1~66
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e73a2194b3d257da996cbcceaa0fb376831ae62b;p=thirdparty%2Fshadow.git

xgetXXbyYY: Handle DUP_FUNCTION failure

A failure of DUP_FUNCTION is already handled for non-reentrant
function wrapper. Perform the check for reentrant version as well.

Signed-off-by: Samanta Navarro <ferivoz@riseup.net>
---

diff --git a/libmisc/xgetXXbyYY.c b/libmisc/xgetXXbyYY.c
index e1bf70f67..11e80e27c 100644
--- a/libmisc/xgetXXbyYY.c
+++ b/libmisc/xgetXXbyYY.c
@@ -69,6 +69,12 @@
 			/* Build a result structure that can be freed by
 			 * the shadow *_free functions. */
 			LOOKUP_TYPE *ret_result = DUP_FUNCTION(result);
+			if (NULL == result) {
+				fprintf (log_get_logfd(),
+				         _("%s: out of memory\n"),
+				         "x" STRINGIZE(FUNCTION_NAME));
+				exit (13);
+			}
 			free(buffer);
 			free(result);
 			return ret_result;