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authorMark Brown <broonie@kernel.org>2019-06-10 18:52:53 +0100
committerMark Brown <broonie@kernel.org>2019-06-10 18:52:53 +0100
commit4343f61103cdb8ccd6f3d5dd7168f1176a1cee37 (patch)
tree3db0a2e099cf7feb0c2d60d2a4bf1bf10d5253db /net/ipv4/tcp_input.c
parentaef9752274f4045b0dab577e113da63c96832f77 (diff)
parentd1fdb6d8f6a4109a4263176c84b899076a5f8008 (diff)
Merge tag 'v5.2-rc4' into spi-5.3
Linux 5.2-rc4
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,