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Message-ID: <87edu09k90.fsf@kernel.org>
Date: Fri, 18 Nov 2022 20:43:07 +0200
From: Kalle Valo <kvalo@...nel.org>
To: Zhang Changzhong <zhangchangzhong@...wei.com>
Cc: Arend van Spriel <aspriel@...il.com>,
Franky Lin <franky.lin@...adcom.com>,
Hante Meuleman <hante.meuleman@...adcom.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Pieter-Paul Giesberts <pieter-paul.giesberts@...adcom.com>,
<linux-wireless@...r.kernel.org>,
<brcm80211-dev-list.pdl@...adcom.com>,
<SHA-cyfmac-dev-list@...ineon.com>, <netdev@...r.kernel.org>,
<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH wireless] brcmfmac: fix potential memory leak in brcmf_netdev_start_xmit()
Zhang Changzhong <zhangchangzhong@...wei.com> writes:
> On 2022/11/17 18:09, Kalle Valo wrote:
>> Zhang Changzhong <zhangchangzhong@...wei.com> writes:
>>
>>> The brcmf_netdev_start_xmit() returns NETDEV_TX_OK without freeing skb
>>> in case of pskb_expand_head() fails, add dev_kfree_skb() to fix it.
>>>
>>> Fixes: 270a6c1f65fe ("brcmfmac: rework headroom check in .start_xmit()")
>>> Signed-off-by: Zhang Changzhong <zhangchangzhong@...wei.com>
>>
>> I assume you have not tested this on a real device? Then it would be
>> really important to add "Compile tested only" to the commit log so that
>> we know it's untested.
>>
>
> OK, I'll add "Compile tested only" to the next version and other untested
> patches.
Thanks. I wish it would become common to use that "Compile tested only".
--
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