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From: schwarze@mdocml.bsd.lv
To: source@mdocml.bsd.lv
Subject: mdocml: fix integer overflows by using reallocarray(3)
Date: Wed, 20 May 2015 18:01:14 -0500 (EST)	[thread overview]
Message-ID: <12422132744729570443.enqueue@fantadrom.bsd.lv> (raw)

Log Message:
-----------
fix integer overflows by using reallocarray(3)

Modified Files:
--------------
    mdocml:
        compat_stringlist.c

Revision Data
-------------
Index: compat_stringlist.c
===================================================================
RCS file: /home/cvs/mdocml/mdocml/compat_stringlist.c,v
retrieving revision 1.2
retrieving revision 1.3
diff -Lcompat_stringlist.c -Lcompat_stringlist.c -u -p -r1.2 -r1.3
--- compat_stringlist.c
+++ compat_stringlist.c
@@ -48,7 +48,7 @@ sl_init(void)
 
 	sl->sl_cur = 0;
 	sl->sl_max = _SL_CHUNKSIZE;
-	sl->sl_str = malloc(sl->sl_max * sizeof(char *));
+	sl->sl_str = reallocarray(NULL, sl->sl_max, sizeof(char *));
 	if (sl->sl_str == NULL)
 		err(1, "stringlist");
 	return sl;
@@ -63,7 +63,8 @@ sl_add(StringList *sl, char *name)
 {
 	if (sl->sl_cur == sl->sl_max - 1) {
 		sl->sl_max += _SL_CHUNKSIZE;
-		sl->sl_str = reallocf(sl->sl_str, sl->sl_max * sizeof(char *));
+		sl->sl_str = reallocarray(sl->sl_str,
+		    sl->sl_max, sizeof(char *));
 		if (sl->sl_str == NULL)
 			return (-1);
 	}
--
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                 reply	other threads:[~2015-05-20 23:01 UTC|newest]

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