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netfilter: nf_tables: typo NULL check in _clone() function

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commit 51edb2ff1c6fc27d3fa73f0773a31597ecd8e230 upstream.

This should check for NULL in case memory allocation fails.

Reported-by: Julian Wiedmann <jwiedmann.dev@gmail.com>
Fixes: 3b9e2ea6c11b ("netfilter: nft_limit: move stateful fields out of expression data")
Fixes: 37f319f37d90 ("netfilter: nft_connlimit: move stateful fields out of expression data")
Fixes: 33a24de37e81 ("netfilter: nft_last: move stateful fields out of expression data")
Fixes: ed0a0c60f0e5 ("netfilter: nft_quota: move stateful fields out of expression data")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Link: https://lore.kernel.org/r/20220110194817.53481-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Cc: Ben Hutchings <ben@decadent.org.uk>
[ Portion of this patch applied - gregkh ]
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ulrich Hecht <uli@kernel.org>
This commit is contained in:
Pablo Neira Ayuso
2022-01-10 20:48:17 +01:00
committed by Ulrich Hecht
parent 32e3b26138
commit 7ccdebe481
1 changed files with 1 additions and 1 deletions
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2
net/netfilter/nft_connlimit.c
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@ -209,7 +209,7 @@ static int nft_connlimit_clone(struct nft_expr *dst, const struct nft_expr *src)
struct nft_connlimit *priv_src = nft_expr_priv(src);
priv_dst->list = kmalloc(sizeof(*priv_dst->list), GFP_ATOMIC);
if (priv_dst->list)
if (!priv_dst->list)
return -ENOMEM;
nf_conncount_list_init(priv_dst->list);