- millert@cvs.openbsd.org 2002/08/02 14:43:15
[monitor.c monitor_mm.c]
Change mm_zalloc() sanity checks to be more in line with what
we do in calloc() and add a check to monitor_mm.c.
OK provos@ and markus@
diff --git a/monitor_mm.c b/monitor_mm.c
index fbf57b4..b4a6e40 100644
--- a/monitor_mm.c
+++ b/monitor_mm.c
@@ -24,7 +24,7 @@
*/
#include "includes.h"
-RCSID("$OpenBSD: monitor_mm.c,v 1.7 2002/06/28 01:49:31 millert Exp $");
+RCSID("$OpenBSD: monitor_mm.c,v 1.8 2002/08/02 14:43:15 millert Exp $");
#ifdef HAVE_SYS_MMAN_H
#include <sys/mman.h>
@@ -167,8 +167,10 @@
if (size == 0)
fatal("mm_malloc: try to allocate 0 space");
+ if (size > SIZE_T_MAX - MM_MINSIZE + 1)
+ fatal("mm_malloc: size too big");
- size = ((size + MM_MINSIZE - 1) / MM_MINSIZE) * MM_MINSIZE;
+ size = ((size + (MM_MINSIZE - 1)) / MM_MINSIZE) * MM_MINSIZE;
RB_FOREACH(mms, mmtree, &mm->rb_free) {
if (mms->size >= size)