svn commit: r314778 - head/lib/libfetch

[Pedro F. Giffuni]

Author: pfg
Date: Mon Mar  6 15:38:03 2017
New Revision: 314778
URL: https://svnweb.freebsd.org/changeset/base/314778

Log:
  libfetch: extra bounds checking through reallocarray(3).
  
  Reviewed by:	des
  MFC after:	1 week

Modified:
  head/lib/libfetch/common.c

Modified: head/lib/libfetch/common.c
==============================================================================
--- head/lib/libfetch/common.c	Mon Mar  6 15:37:34 2017	(r314777)
+++ head/lib/libfetch/common.c	Mon Mar  6 15:38:03 2017	(r314778)
@@ -1306,7 +1306,7 @@ fetch_add_entry(struct url_ent **p, int 
 	}
 
 	if (*len >= *size - 1) {
-		tmp = realloc(*p, (*size * 2 + 1) * sizeof(**p));
+		tmp = reallocarray(*p, *size * 2 + 1, sizeof(**p));
 		if (tmp == NULL) {
 			errno = ENOMEM;
 			fetch_syserr();