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From: Kees Cook <keescook@chromium.org>
To: Petr Tesarik <petrtesarik@huaweicloud.com>
Cc: Arend van Spriel <aspriel@gmail.com>,
	Franky Lin <franky.lin@broadcom.com>,
	Hante Meuleman <hante.meuleman@broadcom.com>,
	Kalle Valo <kvalo@kernel.org>,
	Chi-hsien Lin <chi-hsien.lin@infineon.com>,
	Ian Lin <ian.lin@infineon.com>,
	Wright Feng <wright.feng@cypress.com>,
	Hector Martin <marcan@marcan.st>,
	Prasanna Kerekoppa <prasanna.kerekoppa@cypress.com>,
	Hans de Goede <hdegoede@redhat.com>,
	Ramesh Rangavittal <ramesh.rangavittal@infineon.com>,
	Linus Walleij <linus.walleij@linaro.org>,
	"Gustavo A. R. Silva" <gustavoars@kernel.org>,
	Ryohei Kondo <ryohei.kondo@cypress.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	"Jason A. Donenfeld" <Jason@zx2c4.com>,
	"Darrick J. Wong" <djwong@kernel.org>,
	Jason Gunthorpe <jgg@ziepe.ca>,
	Brian Henriquez <brian.henriquez@cypress.com>,
	"open list:BROADCOM BRCM80211 IEEE802.11n WIRELESS DRIVER" 
	<linux-wireless@vger.kernel.org>,
	"open list:BROADCOM BRCM80211 IEEE802.11n WIRELESS DRIVER" 
	<brcm80211-dev-list.pdl@broadcom.com>,
	"open list:BROADCOM BRCM80211 IEEE802.11n WIRELESS DRIVER" 
	<SHA-cyfmac-dev-list@infineon.com>,
	open list <linux-kernel@vger.kernel.org>,
	Roberto Sassu <roberto.sassu@huaweicloud.com>,
	petr@tesarici.cz, Przemek Kitszel <przemyslaw.kitszel@intel.com>
Subject: Re: [PATCH v1 3/3] wifi: brcm80211: change channel_list to a flexible array
Date: Tue, 1 Aug 2023 10:30:27 -0700	[thread overview]
Message-ID: <202308011028.BC462D29E@keescook> (raw)
In-Reply-To: <c18a31a293fb5ba5d7a845c4b5052516ff724a9f.1690904067.git.petr.tesarik.ext@huawei.com>

On Tue, Aug 01, 2023 at 05:36:42PM +0200, Petr Tesarik wrote:
> From: Petr Tesarik <petr.tesarik.ext@huawei.com>
> 
> The channel list is in fact a flexible array, but it has a length of 1 to
> make sure there is enough room for the special chanspec -1 when the struct
> is allocated on stack to abort a scan.

There is patch series proposing a way to put flex array structures with
a compile-time-known size on the stack. Would that help for this series?
https://lore.kernel.org/netdev/20230801111923.118268-1-przemyslaw.kitszel@intel.com/

-Kees

>
-- 
Kees Cook

  reply	other threads:[~2023-08-01 17:30 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-01 15:36 [PATCH v1 0/3] wifi: brcm80211: avoid memcpy warning when CONFIG_FORTIFY_SOURCE=y Petr Tesarik
2023-08-01 15:36 ` [PATCH v1 1/3] wifi: brcm80211: drop struct brcmf_p2p_scan_le Petr Tesarik
2023-08-01 17:57   ` Petr Tesarik
2023-08-02  0:08     ` Franky Lin
2023-08-02  6:30       ` Petr Tesařík
2023-08-01 15:36 ` [PATCH v1 2/3] wifi: brcm80211: separate abort scan param prepare from actual scan Petr Tesarik
2023-08-01 15:36 ` [PATCH v1 3/3] wifi: brcm80211: change channel_list to a flexible array Petr Tesarik
2023-08-01 17:30   ` Kees Cook [this message]
2023-08-01 17:37   ` Kalle Valo
2023-08-01 17:55     ` Petr Tesarik

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