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authorJonathan Corbet <corbet@lwn.net>2019-06-14 22:18:53 +0200
committerJonathan Corbet <corbet@lwn.net>2019-06-14 22:18:53 +0200
commit8afecfb0ec961e37e61b2d19c4fa71617a9482de (patch)
treec43ea51a47b1e76b762caa4c1b0c356249e5e874 /net/ipv4/tcp_input.c
parentDocumentation: Remove duplicate x86 index entry (diff)
parentLinux 5.2-rc4 (diff)
downloadlinux-8afecfb0ec961e37e61b2d19c4fa71617a9482de.tar.xz
linux-8afecfb0ec961e37e61b2d19c4fa71617a9482de.zip
Merge tag 'v5.2-rc4' into mauro
We need to pick up post-rc1 changes to various document files so they don't get lost in Mauro's massive RST conversion push.
Diffstat (limited to 'net/ipv4/tcp_input.c')
-rw-r--r--net/ipv4/tcp_input.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 20f6fac5882e..08a477e74cf3 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -3791,6 +3791,8 @@ void tcp_parse_options(const struct net *net,
length--;
continue;
default:
+ if (length < 2)
+ return;
opsize = *ptr++;
if (opsize < 2) /* "silly options" */
return;
@@ -6024,6 +6026,9 @@ reset_and_undo:
static void tcp_rcv_synrecv_state_fastopen(struct sock *sk)
{
tcp_try_undo_loss(sk, false);
+
+ /* Reset rtx states to prevent spurious retransmits_timed_out() */
+ tcp_sk(sk)->retrans_stamp = 0;
inet_csk(sk)->icsk_retransmits = 0;
/* Once we leave TCP_SYN_RECV or TCP_FIN_WAIT_1,