This is a note to let you know that I've just added the patch titled
net: qrtr: revert check in qrtr_endpoint_post()
to the 5.14-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:
net-qrtr-revert-check-in-qrtr_endpoint_post.patch
and it can be found in the queue-5.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From d2cabd2dc8da78faf9b690ea521d03776686c9fe Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Date: Thu, 2 Sep 2021 13:08:51 +0300
Subject: net: qrtr: revert check in qrtr_endpoint_post()
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
commit d2cabd2dc8da78faf9b690ea521d03776686c9fe upstream.
I tried to make this check stricter as a hardenning measure but it broke
audo and wifi on these devices so revert it.
Fixes: aaa8e4922c88 ("net: qrtr: make checks in qrtr_endpoint_post() stricter")
Reported-by: John Stultz <john.stultz@xxxxxxxxxx>
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Tested-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Cc: Steev Klimaszewski <steev@xxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/qrtr/qrtr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/qrtr/qrtr.c
+++ b/net/qrtr/qrtr.c
@@ -493,7 +493,7 @@ int qrtr_endpoint_post(struct qrtr_endpo
goto err;
}
- if (!size || size & 3 || len != size + hdrlen)
+ if (!size || len != ALIGN(size, 4) + hdrlen)
goto err;
if (cb->dst_port != QRTR_PORT_CTRL && cb->type != QRTR_TYPE_DATA &&
Patches currently in stable-queue which might be from dan.carpenter@xxxxxxxxxx are
queue-5.14/net-qrtr-revert-check-in-qrtr_endpoint_post.patch
