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| author | Jakub Kicinski <kuba@kernel.org> | 2021-12-09 12:04:19 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-12-09 13:23:02 -0800 |
| commit | 3150a73366b64e3109f0facbc98bcacbc14e81ba (patch) | |
| tree | 2b94b32c5fe97a4e76058a6f65e8c5717b53ee16 /net/netfilter/nft_exthdr.c | |
| parent | 1a2fb220edca98d18f90e3ef5bd6853a6b22b1b8 (diff) | |
| parent | ded746bfc94398d2ee9de315a187677b207b2004 (diff) | |
| download | linux-3150a73366b64e3109f0facbc98bcacbc14e81ba.tar.gz linux-3150a73366b64e3109f0facbc98bcacbc14e81ba.tar.bz2 linux-3150a73366b64e3109f0facbc98bcacbc14e81ba.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
No conflicts.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/netfilter/nft_exthdr.c')
| -rw-r--r-- | net/netfilter/nft_exthdr.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/net/netfilter/nft_exthdr.c b/net/netfilter/nft_exthdr.c index af4ee874a067..dbe1f2e7dd9e 100644 --- a/net/netfilter/nft_exthdr.c +++ b/net/netfilter/nft_exthdr.c @@ -236,7 +236,7 @@ static void nft_exthdr_tcp_set_eval(const struct nft_expr *expr, tcph = nft_tcp_header_pointer(pkt, sizeof(buff), buff, &tcphdr_len); if (!tcph) - return; + goto err; opt = (u8 *)tcph; for (i = sizeof(*tcph); i < tcphdr_len - 1; i += optl) { @@ -251,16 +251,16 @@ static void nft_exthdr_tcp_set_eval(const struct nft_expr *expr, continue; if (i + optl > tcphdr_len || priv->len + priv->offset > optl) - return; + goto err; if (skb_ensure_writable(pkt->skb, nft_thoff(pkt) + i + priv->len)) - return; + goto err; tcph = nft_tcp_header_pointer(pkt, sizeof(buff), buff, &tcphdr_len); if (!tcph) - return; + goto err; offset = i + priv->offset; @@ -303,6 +303,9 @@ static void nft_exthdr_tcp_set_eval(const struct nft_expr *expr, return; } + return; +err: + regs->verdict.code = NFT_BREAK; } static void nft_exthdr_sctp_eval(const struct nft_expr *expr, |