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Fix bug where a struct buf was free()'d back to the system malloc pool.

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Quite amazing that the system runs at all with this bug. Also present in
2.2.5. The bug appears to have come in with changes in rev 1.53.

PR:		might fix PR#5313
Submitted by:	bde
This commit is contained in:
David Greenman 1997-12-16 15:40:29 +00:00
parent e3d099c303
commit c7ce9e2634
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=31774
1 changed files with 3 additions and 4 deletions
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7
sys/kern/kern_exec.c
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@ -23,7 +23,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: kern_exec.c,v 1.68 1997/11/06 19:29:08 phk Exp $
* $Id: kern_exec.c,v 1.69 1997/12/06 04:11:09 sef Exp $
*/
#include <sys/param.h>
@ -218,10 +218,9 @@ execve(p, uap)
if (bp != NULL) {
brelse(bp);
bp = NULL;
} else {
} else
free((void *)imgp->image_header, M_TEMP);
imgp->image_header = NULL;
}
imgp->image_header = NULL;
/* free old vnode and name buffer */
vrele(ndp->ni_vp);
zfree(namei_zone, ndp->ni_cnd.cn_pnbuf);