| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.14 033/168] net: qrtr: revert check in qrtr_endpoint_post() | Date | Mon, 20 Sep 2021 18:42:51 +0200 |
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From: Dan Carpenter <dan.carpenter@oracle.com>
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@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> --- 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 &&
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