From: Kalle Valo <kvalo@kernel.org>
To: Arend van Spriel <arend.vanspriel@broadcom.com>
Cc: Phil Elwell <phil@raspberrypi.com>,
Arend van Spriel <aspriel@gmail.com>,
"David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
Linus Walleij <linus.walleij@linaro.org>,
linux-wireless@vger.kernel.org,
brcm80211-dev-list.pdl@broadcom.com,
SHA-cyfmac-dev-list@infineon.com
Subject: Re: [PATCH] brcmfmac: firmware: Fix crash in brcm_alt_fw_path
Date: Thu, 27 Jan 2022 14:08:07 +0200 [thread overview]
Message-ID: <87r18tjs9k.fsf@kernel.org> (raw)
In-Reply-To: <ebe36c68-cdf9-b005-6d02-f72c3917d292@broadcom.com> (Arend van Spriel's message of "Wed, 19 Jan 2022 16:48:44 +0100")
Arend van Spriel <arend.vanspriel@broadcom.com> writes:
> On 1/19/2022 9:53 AM, Phil Elwell wrote:
>> On 19/01/2022 06:01, Kalle Valo wrote:
>>> Phil Elwell <phil@raspberrypi.com> writes:
>>>
>>>> The call to brcm_alt_fw_path in brcmf_fw_get_firmwares is not protected
>>>> by a check to the validity of the fwctx->req->board_type pointer. This
>>>> results in a crash in strlcat when, for example, the WLAN chip is found
>>>> in a USB dongle.
>>>>
>>>> Prevent the crash by adding the necessary check.
>>>>
>>>> See: https://github.com/raspberrypi/linux/issues/4833
>>>>
>>>> Fixes: 5ff013914c62 ("brcmfmac: firmware: Allow per-board firmware
>>>> binaries")
>>>> Signed-off-by: Phil Elwell <phil@raspberrypi.com>
>>>
>>> I think this should go to v5.17.
>>
>> Is that an Ack? Are you asking me to submit the patch in a different way?
>
> Similar/same patch was submitted by Hector Martin [1].
>
> Regards,
> Arend
>
> [1]
> https://patchwork.kernel.org/project/linux-wireless/patch/20220117142919.207370-4-marcan@marcan.st/
I would prefer to take this patch to wireless tree and drop Hector's
version. Is that ok?
--
https://patchwork.kernel.org/project/linux-wireless/list/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
next prev parent reply other threads:[~2022-01-27 12:08 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-18 15:45 [PATCH] brcmfmac: firmware: Fix crash in brcm_alt_fw_path Phil Elwell
2022-01-19 6:01 ` Kalle Valo
2022-01-19 8:53 ` Phil Elwell
2022-01-19 10:00 ` Kalle Valo
2022-01-19 15:48 ` Arend van Spriel
2022-01-27 12:08 ` Kalle Valo [this message]
2022-01-27 12:59 ` Arend van Spriel
2022-01-27 13:17 ` Kalle Valo
2022-01-27 14:30 ` Arend van Spriel
2022-01-27 15:36 ` Kalle Valo
2022-01-27 16:22 ` Arend van Spriel
2022-01-28 14:07 ` Kalle Valo
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