[PATCH 5.11 212/329] netfilter: nftables: Fix a memleak from userdata error path in new objects

From: Greg Kroah-Hartman
Date: Mon May 17 2021 - 11:36:03 EST


From: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>

[ Upstream commit 85dfd816fabfc16e71786eda0a33a7046688b5b0 ]

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@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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 d6ec76a0fe62..1380369d5787 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -6213,9 +6213,9 @@ err_obj_ht:
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