diff options
| author | Linus Walleij <[email protected]> | 2021-11-27 00:54:16 +0100 |
|---|---|---|
| committer | Linus Walleij <[email protected]> | 2021-11-27 00:54:16 +0100 |
| commit | 2448eab44034d9603c97ca17760a53d4d6e4b60c (patch) | |
| tree | 7f323cea55258e94e0c7c70b63d02c9effb00c1f /net/ipv4/udp.c | |
| parent | deee705a1c9cce9c7eb699d529f1c0b3c80d339d (diff) | |
| parent | 136057256686de39cc3a07c2e39ef6bc43003ff6 (diff) | |
Merge tag 'v5.16-rc2' into devel
Linux 5.16-rc2 is needed because nonurgent fixes headed
for next are strongly textually dependent on a fix that
was applied for rc2.
Signed-off-by: Linus Walleij <[email protected]>
Diffstat (limited to 'net/ipv4/udp.c')
| -rw-r--r-- | net/ipv4/udp.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 319dd7bbfe33..8bcecdd6aeda 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -1807,6 +1807,17 @@ int udp_read_sock(struct sock *sk, read_descriptor_t *desc, skb = skb_recv_udp(sk, 0, 1, &err); if (!skb) return err; + + if (udp_lib_checksum_complete(skb)) { + __UDP_INC_STATS(sock_net(sk), UDP_MIB_CSUMERRORS, + IS_UDPLITE(sk)); + __UDP_INC_STATS(sock_net(sk), UDP_MIB_INERRORS, + IS_UDPLITE(sk)); + atomic_inc(&sk->sk_drops); + kfree_skb(skb); + continue; + } + used = recv_actor(desc, skb, 0, skb->len); if (used <= 0) { if (!copied) |