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From: Kalle Valo <kvalo@kernel.org>
To: Zhang Changzhong <zhangchangzhong@huawei.com>
Cc: Arend van Spriel <aspriel@gmail.com>,
	Franky Lin <franky.lin@broadcom.com>,
	Hante Meuleman <hante.meuleman@broadcom.com>,
	"David S. Miller" <davem@davemloft.net>,
	"Eric Dumazet" <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>,
	<linux-wireless@vger.kernel.org>,
	<brcm80211-dev-list.pdl@broadcom.com>,
	<SHA-cyfmac-dev-list@infineon.com>, <netdev@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH wireless] brcmfmac: fix potential memory leak in brcmf_netdev_start_xmit()
Date: Thu, 17 Nov 2022 12:09:05 +0200	[thread overview]
Message-ID: <87bkp5sxj2.fsf@kernel.org> (raw)
In-Reply-To: <1668657281-28480-1-git-send-email-zhangchangzhong@huawei.com> (Zhang Changzhong's message of "Thu, 17 Nov 2022 11:54:40 +0800")

Zhang Changzhong <zhangchangzhong@huawei.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@huawei.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.

-- 
https://patchwork.kernel.org/project/linux-wireless/list/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches

  reply	other threads:[~2022-11-17 10:09 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-17  3:54 [PATCH wireless] brcmfmac: fix potential memory leak in brcmf_netdev_start_xmit() Zhang Changzhong
2022-11-17 10:09 ` Kalle Valo [this message]
2022-11-17 11:04   ` Zhang Changzhong
2022-11-18 18:43     ` Kalle Valo

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