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Code Issues Releases Activity

Avoid overflow in calcru(). Fixes PR 788.

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Submitted by:	imdave@synet.net (Dave Bodenstab)
This commit is contained in:
Bruce Evans 1995-10-21 09:18:45 +00:00
parent 494850b8d1
commit bcee717be5
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=11610
1 changed files with 2 additions and 2 deletions
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4
sys/kern/kern_resource.c
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@ -36,7 +36,7 @@
* SUCH DAMAGE.
*
* @(#)kern_resource.c 8.5 (Berkeley) 1/21/94
* $Id: kern_resource.c,v 1.11 1995/02/20 19:42:33 guido Exp $
* $Id: kern_resource.c,v 1.12 1995/05/30 08:05:39 rgrimes Exp $
*/
#include <sys/param.h>
@ -487,7 +487,7 @@ calcru(p, up, sp, ip)
sec += tv.tv_sec - runtime.tv_sec;
usec += tv.tv_usec - runtime.tv_usec;
}
u = sec * 1000000 + usec;
u = (u_quad_t) sec * 1000000 + usec;
st = (u * st) / tot;
sp->tv_sec = st / 1000000;
sp->tv_usec = st % 1000000;