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netfilter: nf_tables: use kzalloc for hook allocation

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[ Upstream commit 195e5f88c2 ]

KMSAN reports unitialized variable when registering the hook,
   reg->hook_ops_type == NF_HOOK_OP_BPF)
        ~~~~~~~~~~~ undefined

This is a small structure, just use kzalloc to make sure this
won't happen again when new fields get added to nf_hook_ops.

Fixes: 7b4b2fa375 ("netfilter: annotate nf_tables base hook ops")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Florian Westphal
2024-02-21 18:38:45 +01:00
committed by Greg Kroah-Hartman
parent 4d74eaaee8
commit 06e841cc2d
1 changed files with 1 additions and 1 deletions
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net/netfilter/nf_tables_api.c
+1 -1
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@@ -2082,7 +2082,7 @@ static struct nft_hook *nft_netdev_hook_alloc(struct net *net,
struct nft_hook *hook;
int err;
hook = kmalloc(sizeof(struct nft_hook), GFP_KERNEL_ACCOUNT);
hook = kzalloc(sizeof(struct nft_hook), GFP_KERNEL_ACCOUNT);
if (!hook) {
err = -ENOMEM;
goto err_hook_alloc;