Thread (10 messages) flat view 10 messages, 2 authors, 2021-05-07
STALE1917d

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[PATCH net 6/8] netfilter: nftables: Fix a memleak from userdata error path in new objects

From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: 2021-05-07 17:47:59
Also in: netfilter-devel
Subsystem: netfilter, networking [general], the rest · Maintainers: Pablo Neira Ayuso, Florian Westphal, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds 

Release object name if userdata allocation fails.

Fixes: b131c96496b3 ("netfilter: nf_tables: add userdata support for nft_object")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 net/netfilter/nf_tables_api.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 0b7fe0a902ff..926da6ed8d51 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -6615,9 +6615,9 @@ static int nf_tables_newobj(struct sk_buff *skb, const struct nfnl_info *info,
 	INIT_LIST_HEAD(&obj->list);
 	return err;
 err_trans:
-	kfree(obj->key.name);
-err_userdata:
 	kfree(obj->udata);
+err_userdata:
+	kfree(obj->key.name);
 err_strdup:
 	if (obj->ops->destroy)
 		obj->ops->destroy(&ctx, obj);
-- 
2.30.2
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