diff options
| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2022-01-10 20:48:17 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-01-10 21:09:43 -0800 |
| commit | 51edb2ff1c6fc27d3fa73f0773a31597ecd8e230 (patch) | |
| tree | dbba7f1c889cf6ca87766bdb671085caedb0cacc /net | |
| parent | fe8152b38d3a994c4c6fdbc0cd6551d569a5715a (diff) | |
| download | linux-51edb2ff1c6fc27d3fa73f0773a31597ecd8e230.tar.bz2 | |
netfilter: nf_tables: typo NULL check in _clone() function
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>
Diffstat (limited to 'net')
| -rw-r--r-- | net/netfilter/nft_connlimit.c | 2 | ||||
| -rw-r--r-- | net/netfilter/nft_last.c | 2 | ||||
| -rw-r--r-- | net/netfilter/nft_limit.c | 2 | ||||
| -rw-r--r-- | net/netfilter/nft_quota.c | 2 |
4 files changed, 4 insertions, 4 deletions
diff --git a/net/netfilter/nft_connlimit.c b/net/netfilter/nft_connlimit.c index 58dcafe8bf79..7d00a1452b1d 100644 --- a/net/netfilter/nft_connlimit.c +++ b/net/netfilter/nft_connlimit.c @@ -206,7 +206,7 @@ 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); diff --git a/net/netfilter/nft_last.c b/net/netfilter/nft_last.c index 5ee33d0ccd4e..4f745a409d34 100644 --- a/net/netfilter/nft_last.c +++ b/net/netfilter/nft_last.c @@ -106,7 +106,7 @@ static int nft_last_clone(struct nft_expr *dst, const struct nft_expr *src) struct nft_last_priv *priv_dst = nft_expr_priv(dst); priv_dst->last = kzalloc(sizeof(*priv_dst->last), GFP_ATOMIC); - if (priv_dst->last) + if (!priv_dst->last) return -ENOMEM; return 0; diff --git a/net/netfilter/nft_limit.c b/net/netfilter/nft_limit.c index f04be5be73a0..c4f308460dd1 100644 --- a/net/netfilter/nft_limit.c +++ b/net/netfilter/nft_limit.c @@ -145,7 +145,7 @@ static int nft_limit_clone(struct nft_limit_priv *priv_dst, priv_dst->invert = priv_src->invert; priv_dst->limit = kmalloc(sizeof(*priv_dst->limit), GFP_ATOMIC); - if (priv_dst->limit) + if (!priv_dst->limit) return -ENOMEM; spin_lock_init(&priv_dst->limit->lock); diff --git a/net/netfilter/nft_quota.c b/net/netfilter/nft_quota.c index 0484aef74273..f394a0b562f6 100644 --- a/net/netfilter/nft_quota.c +++ b/net/netfilter/nft_quota.c @@ -237,7 +237,7 @@ static int nft_quota_clone(struct nft_expr *dst, const struct nft_expr *src) struct nft_quota *priv_dst = nft_expr_priv(dst); priv_dst->consumed = kmalloc(sizeof(*priv_dst->consumed), GFP_ATOMIC); - if (priv_dst->consumed) + if (!priv_dst->consumed) return -ENOMEM; atomic64_set(priv_dst->consumed, 0); |