diff options
| author | Yuanjun Gong <ruc_gongyuanjun@163.com> | 2023-07-17 17:45:19 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-07-19 14:25:58 +0300 |
| commit | 4258faa130be4ea43e5e2d839467da421b8ff274 (patch) | |
| tree | e63c87827eabd2e5d8fecd3df0421422f5e7f9f8 /net/ipv6/ip6_gre.c | |
| parent | daa751444fd9d4184270b1479d8af49aaf1a1ee6 (diff) | |
| download | linux-4258faa130be4ea43e5e2d839467da421b8ff274.tar.xz | |
net:ipv6: check return value of pskb_trim()
goto tx_err if an unexpected result is returned by pskb_tirm()
in ip6erspan_tunnel_xmit().
Fixes: 5a963eb61b7c ("ip6_gre: Add ERSPAN native tunnel support")
Signed-off-by: Yuanjun Gong <ruc_gongyuanjun@163.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/ip6_gre.c')
| -rw-r--r-- | net/ipv6/ip6_gre.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index da80974ad23a..070d87abf7c0 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -955,7 +955,8 @@ static netdev_tx_t ip6erspan_tunnel_xmit(struct sk_buff *skb, goto tx_err; if (skb->len > dev->mtu + dev->hard_header_len) { - pskb_trim(skb, dev->mtu + dev->hard_header_len); + if (pskb_trim(skb, dev->mtu + dev->hard_header_len)) + goto tx_err; truncate = true; } |