diff options
author | Phil Sutter <phil@nwl.cc> | 2018-07-19 18:31:53 +0200 |
---|---|---|
committer | Florian Westphal <fw@strlen.de> | 2018-07-19 22:10:20 +0200 |
commit | 907da5c505b219537586f7c2bdb7320c4f97386f (patch) | |
tree | d1b1521f13c7dba8ef3db80bfec17e8e9f0441f1 | |
parent | 565a22395c4c620bf26a002515d9016db0c35824 (diff) |
xtables: fix crash if nft_rule_list_get() fails
Without this, trying to add a rule using ebtables without proper
permissions crashes the program.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Florian Westphal <fw@strlen.de>
-rw-r--r-- | iptables/nft.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/iptables/nft.c b/iptables/nft.c index 3cacf5fe..e1788dba 100644 --- a/iptables/nft.c +++ b/iptables/nft.c @@ -1176,7 +1176,8 @@ nft_rule_append(struct nft_handle *h, const char *chain, const char *table, if (batch_rule_add(h, type, r) < 0) nftnl_rule_free(r); - nft_rule_list_get(h); + if (!nft_rule_list_get(h)) + return 0; nftnl_rule_list_add_tail(r, h->rule_cache); |