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net: qrtr: revert check in qrtr_endpoint_post()

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commit d2cabd2dc8 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: aaa8e4922c ("net: qrtr: make checks in qrtr_endpoint_post() stricter")
Reported-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Cc: Steev Klimaszewski <steev@kali.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter 2021-09-02 13:08:51 +03:00 • committed by Greg Kroah-Hartman
parent 2aeb3cfb82
commit 6ed2d5e30c
1 changed files with 1 additions and 1 deletions
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2
net/qrtr/qrtr.c
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@ -493,7 +493,7 @@ int qrtr_endpoint_post(struct qrtr_endpoint *ep, const void *data, size_t len)
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 &&