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Date:   Wed, 15 Sep 2021 12:30:57 -0500
From:   Steev Klimaszewski <steev@...i.org>
To:     Dan Carpenter <dan.carpenter@...cle.com>,
        Yassine Oudjana <y.oudjana@...tonmail.com>
Cc:     bjorn.andersson@...aro.org, butterflyhuangxx@...il.com,
        davem@...emloft.net, kuba@...nel.org,
        linux-arm-msm@...r.kernel.org, loic.poulain@...aro.org,
        mani@...nel.org, netdev@...r.kernel.org
Subject: Re: [PATCH v2 net] net: qrtr: make checks in qrtr_endpoint_post()
 stricter


On 9/6/21 1:53 AM, Dan Carpenter wrote:
> On Fri, Sep 03, 2021 at 07:29:28PM +0000, Yassine Oudjana wrote:
>>  > if (cb->dst_port != QRTR_PORT_CTRL && cb->type != QRTR_TYPE_DATA &&
>>  > @@ -506,8 +506,12 @@ int qrtr_endpoint_post(struct qrtr_endpoint 
>> *ep, const void *data, size_t len)
>>  >
>>  > if (cb->type == QRTR_TYPE_NEW_SERVER) {
>>  > /* Remote node endpoint can bridge other distant nodes */
>>  > - const struct qrtr_ctrl_pkt *pkt = data + hdrlen;
>>  > + const struct qrtr_ctrl_pkt *pkt;
>>  >
>>  > + if (size < sizeof(*pkt))
>>  > + goto err;
>>  > +
>>  > + pkt = data + hdrlen;
>>  > qrtr_node_assign(node, le32_to_cpu(pkt->server.node));
>>  > }
>>  >
>>  > --
>>  > 2.20.1
>>  >
>>
>> This is crashing MSM8996. I get these messages (dmesg | grep 
>> remoteproc):
> Yes.  I apologize for that.  The fix has been merged already.
>
> regards,
> dan carpenter
Where has the fix been merged to?  5.14.4 released with this patch in
it, and wifi is now crashing on the Lenovo Yoga C630 with the same
messages that Yassine was seeing.

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