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pushinit(): fix a use-after-free bug.

This commit is contained in:
ad 2007-01-20 21:16:23 +00:00
parent dade97a1c0
commit c89ec7afee
1 changed files with 5 additions and 4 deletions
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9
usr.bin/xlint/lint1/init.c
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@ -1,4 +1,4 @@
/* $NetBSD: init.c,v 1.21 2006/10/15 18:18:54 christos Exp $ */
/* $NetBSD: init.c,v 1.22 2007/01/20 21:16:23 ad Exp $ */
/*
* Copyright (c) 1994, 1995 Jochen Pohl
@ -37,7 +37,7 @@
#include <sys/cdefs.h>
#if defined(__RCSID) && !defined(lint)
__RCSID("$NetBSD: init.c,v 1.21 2006/10/15 18:18:54 christos Exp $");
__RCSID("$NetBSD: init.c,v 1.22 2007/01/20 21:16:23 ad Exp $");
#endif
#include <stdlib.h>
@ -247,7 +247,7 @@ pushinit(void)
#ifdef DEBUG
char buf[64];
#endif
istk_t *istk;
istk_t *istk, *inxt;
int cnt;
sym_t *m;
@ -369,8 +369,9 @@ again:
if (namedmem) {
DPRINTF(("pushinit(): pop\n"));
pop:
inxt = initstk->i_nxt;
free(istk);
initstk = initstk->i_nxt;
initstk = inxt;
goto again;
}
istk->i_cnt = 1;