[PATCH 4.14 17/45] net/tls: Fix connection stall on partial tls record

Greg Kroah-Hartman
2018-05-18T08:15:34Z

From: Andre Tomt <andre@tomt.net>

[ Upstream commit 080324c36ade319f57e505633ab54f6f53289b45 ]

In the case of writing a partial tls record we forgot to clear the
ctx->in_tcp_sendpages flag, causing some connections to stall.

Fixes: c212d2c7fc47 ("net/tls: Don't recursively call push_record during tls_write_space callbacks")
Signed-off-by: Andre Tomt <andre@tomt.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/tls/tls_main.c | 1 +
1 file changed, 1 insertion(+)

--- a/net/tls/tls_main.c
+++ b/net/tls/tls_main.c
@@ -108,6 +108,7 @@ retry:
offset -= sg->offset;
ctx->partially_sent_offset = offset;
ctx->partially_sent_record = (void *)sg;
+ ctx->in_tcp_sendpages = false;
return ret;
}