This is a note to let you know that I've just added the patch titled
[PATCH stable 5.8 08/22] chelsio/chtls: fix tls record info to user
to the 5.8-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
chelsio-chtls-fix-tls-record-info-to-user.patch
and it can be found in the queue-5.8 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Sat Oct 31 09:06:02 AM CET 2020
From: Vinay Kumar Yadav <vinay.yadav@xxxxxxxxxxx>
Date: Fri, 23 Oct 2020 00:35:57 +0530
Subject: [PATCH stable 5.8 08/22] chelsio/chtls: fix tls record info to user
From: Vinay Kumar Yadav <vinay.yadav@xxxxxxxxxxx>
[ Upstream commit 4f3391ce8f5a69e7e6d66d0a3fc654eb6dbdc919 ]
chtls_pt_recvmsg() receives a skb with tls header and subsequent
skb with data, need to finalize the data copy whenever next skb
with tls header is available. but here current tls header is
overwritten by next available tls header, ends up corrupting
user buffer data. fixing it by finalizing current record whenever
next skb contains tls header.
v1->v2:
- Improved commit message.
Fixes: 17a7d24aa89d ("crypto: chtls - generic handling of data and hdr")
Signed-off-by: Vinay Kumar Yadav <vinay.yadav@xxxxxxxxxxx>
Link: https://lore.kernel.org/r/20201022190556.21308-1-vinay.yadav@xxxxxxxxxxx
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/crypto/chelsio/chtls/chtls_io.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
--- a/drivers/crypto/chelsio/chtls/chtls_io.c
+++ b/drivers/crypto/chelsio/chtls/chtls_io.c
@@ -1585,6 +1585,7 @@ skip_copy:
tp->urg_data = 0;
if ((avail + offset) >= skb->len) {
+ struct sk_buff *next_skb;
if (ULP_SKB_CB(skb)->flags & ULPCB_FLAG_TLS_HDR) {
tp->copied_seq += skb->len;
hws->rcvpld = skb->hdr_len;
@@ -1595,8 +1596,10 @@ skip_copy:
chtls_free_skb(sk, skb);
buffers_freed++;
hws->copied_seq = 0;
- if (copied >= target &&
- !skb_peek(&sk->sk_receive_queue))
+ next_skb = skb_peek(&sk->sk_receive_queue);
+ if (copied >= target && !next_skb)
+ break;
+ if (ULP_SKB_CB(next_skb)->flags & ULPCB_FLAG_TLS_HDR)
break;
}
} while (len > 0);
Patches currently in stable-queue which might be from vinay.yadav@xxxxxxxxxxx are
queue-5.8/chelsio-chtls-fix-memory-leaks-in-cpl-handlers.patch
queue-5.8/chelsio-chtls-fix-deadlock-issue.patch
queue-5.8/chelsio-chtls-fix-tls-record-info-to-user.patch
