| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.15 101/148] netfilter: nf_tables: fix percpu memory leak at nf_tables_addchain() | Date | Mon, 26 Sep 2022 12:12:15 +0200 |
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From: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
[ Upstream commit 9a4d6dd554b86e65581ef6b6638a39ae079b17ac ]
It seems to me that percpu memory for chain stats started leaking since commit 3bc158f8d0330f0a ("netfilter: nf_tables: map basechain priority to hardware priority") when nft_chain_offload_priority() returned an error.
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Fixes: 3bc158f8d0330f0a ("netfilter: nf_tables: map basechain priority to hardware priority") Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Sasha Levin <sashal@kernel.org> --- net/netfilter/nf_tables_api.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index d8e66467c06c..460ad341d160 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -2148,6 +2148,7 @@ static int nf_tables_addchain(struct nft_ctx *ctx, u8 family, u8 genmask, if (err < 0) { nft_chain_release_hook(&hook); kfree(basechain); + free_percpu(stats); return err; } if (stats) -- 2.35.1
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