From: Arend van Spriel <arend.vanspriel@broadcom.com>
To: Kalle Valo <kvalo@kernel.org>
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 13:59:58 +0100 [thread overview]
Message-ID: <a0179a36-0daa-06ca-6d54-ace6b6eceeb8@broadcom.com> (raw)
In-Reply-To: <87r18tjs9k.fsf@kernel.org>
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On 1/27/2022 1:08 PM, Kalle Valo wrote:
> 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].
Fine by me. Hector's subset series (fixes) is ready to be taken as well,
right?
Regards,
Arend
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next prev parent reply other threads:[~2022-01-27 13:00 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
2022-01-27 12:59 ` Arend van Spriel [this message]
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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