From: David Given <dg@cowlark.com>
Date: Thu, 17 Mar 2016 19:52:27 +0000 (+0100)
Subject: Fix use-after-free.
X-Git-Tag: release-6-0-pre-5~6^2
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=863b61014470ca9397a1904472e8fc1e6791023e;p=ack.git

Fix use-after-free.
---

diff --git a/lang/cem/cemcom.ansi/input.c b/lang/cem/cemcom.ansi/input.c
index fc1e99f28..2b652b64f 100644
--- a/lang/cem/cemcom.ansi/input.c
+++ b/lang/cem/cemcom.ansi/input.c
@@ -82,10 +82,9 @@ AtEoIF()
 	}
 	IncludeLevel--;
 #endif
-	if (WorkingDir[0] != '\0') free(WorkingDir);
+	/* We don't free WorkingDir and FileName here because the rest of the
+	 * compiler may be holding pointers to them for displaying error messages.
+	 */
 #endif /* NOPP */
-#ifndef LINT
-	if (FileName != source) free(FileName);
-#endif
 	return 0;
 }