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- millert@cvs.openbsd.org 2002/08/02 14:43:15

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[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@
This commit is contained in:
Ben Lindstrom 2002-08-20 18:36:25 +00:00
parent d730b78071
commit 0a4f7542da
3 changed files with 16 additions and 6 deletions
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10
ChangeLog
View File

@ -1,3 +1,11 @@
20020820
- OpenBSD CVS Sync
- 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@
20020813 20020813
- (tim) [configure.ac] Display OpenSSL header/library version. - (tim) [configure.ac] Display OpenSSL header/library version.
Patch by dtucker@zip.com.au Patch by dtucker@zip.com.au
@ -1494,4 +1502,4 @@
- (stevesk) entropy.c: typo in debug message - (stevesk) entropy.c: typo in debug message
- (djm) ssh-keygen -i needs seeded RNG; report from markus@ - (djm) ssh-keygen -i needs seeded RNG; report from markus@
$Id: ChangeLog,v 1.2414 2002/08/14 01:52:10 tim Exp $ $Id: ChangeLog,v 1.2415 2002/08/20 18:36:25 mouring Exp $

6
monitor.c
View File

@ -25,7 +25,7 @@
*/ */
#include "includes.h" #include "includes.h"
RCSID("$OpenBSD: monitor.c,v 1.22 2002/07/22 17:32:56 stevesk Exp $"); RCSID("$OpenBSD: monitor.c,v 1.23 2002/08/02 14:43:15 millert Exp $");
#include <openssl/dh.h> #include <openssl/dh.h>
@ -1454,10 +1454,10 @@ mm_get_keystate(struct monitor *pmonitor)
void * void *
mm_zalloc(struct mm_master *mm, u_int ncount, u_int size) mm_zalloc(struct mm_master *mm, u_int ncount, u_int size)
{ {
int len = size * ncount; size_t len = size * ncount;
void *address; void *address;
if (len <= 0 || size > 65535 || ncount > 65535) if (len == 0 || ncount > SIZE_T_MAX / size)
fatal("%s: mm_zalloc(%u, %u)", __func__, ncount, size); fatal("%s: mm_zalloc(%u, %u)", __func__, ncount, size);
address = mm_malloc(mm, len); address = mm_malloc(mm, len);

6
monitor_mm.c
View File

@ -24,7 +24,7 @@
*/ */
#include "includes.h" #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 #ifdef HAVE_SYS_MMAN_H
#include <sys/mman.h> #include <sys/mman.h>
@ -167,8 +167,10 @@ mm_malloc(struct mm_master *mm, size_t size)
if (size == 0) if (size == 0)
fatal("mm_malloc: try to allocate 0 space"); 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) { RB_FOREACH(mms, mmtree, &mm->rb_free) {
if (mms->size >= size) if (mms->size >= size)