Module Name: src
Committed By: christos
Date: Sat Jun 29 14:13:14 UTC 2024
Modified Files:
src/lib/libedit: chared.c
Log Message:
Prevent testing out of bounds memory. From Robert Morris
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=279762
To generate a diff of this commit:
cvs rdiff -u -r1.63 -r1.64 src/lib/libedit/chared.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/lib/libedit/chared.c
diff -u src/lib/libedit/chared.c:1.63 src/lib/libedit/chared.c:1.64
--- src/lib/libedit/chared.c:1.63 Sun Oct 30 15:11:31 2022
+++ src/lib/libedit/chared.c Sat Jun 29 10:13:14 2024
@@ -1,4 +1,4 @@
-/* $NetBSD: chared.c,v 1.63 2022/10/30 19:11:31 christos Exp $ */
+/* $NetBSD: chared.c,v 1.64 2024/06/29 14:13:14 christos Exp $ */
/*-
* Copyright (c) 1992, 1993
@@ -37,7 +37,7 @@
#if 0
static char sccsid[] = "@(#)chared.c 8.1 (Berkeley) 6/4/93";
#else
-__RCSID("$NetBSD: chared.c,v 1.63 2022/10/30 19:11:31 christos Exp $");
+__RCSID("$NetBSD: chared.c,v 1.64 2024/06/29 14:13:14 christos Exp $");
#endif
#endif /* not lint && not SCCSID */
@@ -319,6 +319,8 @@ cv_prev_word(wchar_t *p, wchar_t *low, i
test = (*wtest)(*p);
while ((p >= low) && (*wtest)(*p) == test)
p--;
+ if (p < low)
+ return low;
}
p++;
