Author: kp
Date: Mon Apr 9 15:29:14 2018
New Revision: 332330
URL: https://svnweb.freebsd.org/changeset/base/332330
Log:
MFC r331225:
pf: Fix memory leak in DIOCRADDTABLES
If a user attempts to add two tables with the same name the duplicate table
will not be added, but we forgot to free the duplicate table, leaking memory.
Ensure we free the duplicate table in the error path.
Reported by: Coverity
CID: 1382111
Modified:
stable/10/sys/netpfil/pf/pf_table.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/netpfil/pf/pf_table.c
==============================================================================
--- stable/10/sys/netpfil/pf/pf_table.c Mon Apr 9 15:21:40 2018
(r332329)
+++ stable/10/sys/netpfil/pf/pf_table.c Mon Apr 9 15:29:14 2018
(r332330)
@@ -1123,8 +1123,10 @@ pfr_add_tables(struct pfr_table *tbl, int size, int *n
if (p == NULL)
senderr(ENOMEM);
SLIST_FOREACH(q, &addq, pfrkt_workq) {
- if (!pfr_ktable_compare(p, q))
+ if (!pfr_ktable_compare(p, q)) {
+ pfr_destroy_ktable(p, 0);
goto _skip;
+ }
}
SLIST_INSERT_HEAD(&addq, p, pfrkt_workq);
xadd++;
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