Author: melifaro
Date: Sun Apr 19 12:49:30 2015
New Revision: 281740
URL: https://svnweb.freebsd.org/changeset/base/281740
Log:
Fix use-after-free.
Reported by: Coverity Scan, pfg
CID: 1245747
Modified:
head/sbin/ipfw/nat.c
Modified: head/sbin/ipfw/nat.c
==============================================================================
--- head/sbin/ipfw/nat.c Sun Apr 19 12:11:07 2015 (r281739)
+++ head/sbin/ipfw/nat.c Sun Apr 19 12:49:30 2015 (r281740)
@@ -1008,11 +1008,10 @@ nat_foreach(nat_cb_t *f, void *arg, int
olh->size = sz;
if (do_get3(IP_FW_NAT44_LIST_NAT, &olh->opheader, &sz) != 0) {
+ sz = olh->size;
free(olh);
- if (errno == ENOMEM) {
- sz = olh->size;
+ if (errno == ENOMEM)
continue;
- }
return (errno);
}
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