From: Pablo Neira Ayuso <pablo@netfilter.org>
To: netfilter-devel@vger.kernel.org
Cc: davem@davemloft.net, netdev@vger.kernel.org
Subject: [PATCH 08/12] netfilter: nf_tables: Release memory obtained by kasprintf
Date: Mon, 9 Oct 2017 18:25:42 +0200 [thread overview]
Message-ID: <1507566346-32553-9-git-send-email-pablo@netfilter.org> (raw)
In-Reply-To: <1507566346-32553-1-git-send-email-pablo@netfilter.org>
From: Arvind Yadav <arvind.yadav.cs@gmail.com>
Free memory region, if nf_tables_set_alloc_name is not successful.
Fixes: 387454901bd6 ("netfilter: nf_tables: Allow set names of up to 255 chars")
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
net/netfilter/nf_tables_api.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index f98ca8c6aa59..34adedcb239e 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -2741,8 +2741,10 @@ static int nf_tables_set_alloc_name(struct nft_ctx *ctx, struct nft_set *set,
list_for_each_entry(i, &ctx->table->sets, list) {
if (!nft_is_active_next(ctx->net, i))
continue;
- if (!strcmp(set->name, i->name))
+ if (!strcmp(set->name, i->name)) {
+ kfree(set->name);
return -ENFILE;
+ }
}
return 0;
}
--
2.1.4
next prev parent reply other threads:[~2017-10-09 16:25 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-09 16:25 [PATCH 00/12] Netfilter/IPVS fixes for net Pablo Neira Ayuso
2017-10-09 16:25 ` [PATCH 01/12] netfilter: ipvs: full-functionality option for ECN encapsulation in tunnel Pablo Neira Ayuso
2017-10-09 16:25 ` [PATCH 02/12] netfilter: xt_socket: Restore mark from full sockets only Pablo Neira Ayuso
2017-10-09 16:25 ` [PATCH 03/12] netfilter: ipset: Fix adding an IPv4 range containing more than 2^31 addresses Pablo Neira Ayuso
2017-10-09 16:25 ` [PATCH 04/12] netfilter: ipset: pernet ops must be unregistered last Pablo Neira Ayuso
2017-10-09 16:25 ` [PATCH 05/12] netfilter: ipset: Fix race between dump and swap Pablo Neira Ayuso
2017-10-09 16:25 ` [PATCH 06/12] netfilter: nf_tables: fix update chain error Pablo Neira Ayuso
2017-10-09 16:25 ` [PATCH 07/12] netfilter: ebtables: fix race condition in frame_filter_net_init() Pablo Neira Ayuso
2017-10-09 16:25 ` Pablo Neira Ayuso [this message]
2017-10-09 16:25 ` [PATCH 09/12] netfilter: nf_tables: do not dump chain counters if not enabled Pablo Neira Ayuso
2017-10-09 16:25 ` [PATCH 10/12] netfilter: x_tables: avoid stack-out-of-bounds read in xt_copy_counters_from_user Pablo Neira Ayuso
2017-10-09 16:25 ` [PATCH 11/12] netfilter: SYNPROXY: skip non-tcp packet in {ipv4, ipv6}_synproxy_hook Pablo Neira Ayuso
2017-10-09 16:25 ` [PATCH 12/12] netfilter: xt_bpf: Fix XT_BPF_MODE_FD_PINNED mode of 'xt_bpf_info_v1' Pablo Neira Ayuso
2017-10-09 17:40 ` [PATCH 00/12] Netfilter/IPVS fixes for net David Miller
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