linux-kernel - Re: [PATCH] i3c/master/mipi-i3c-hci: Annotate struct hci_rings_data with __counted

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Message-ID: <169567773739.243402.8781052948359275071.b4-ty@bootlin.com>
Date:   Mon, 25 Sep 2023 23:37:08 +0200
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     Kees Cook <keescook@...omium.org>
Cc:     Nicolas Pitre <npitre@...libre.com>, Len Baker <len.baker@....com>,
        Boris Brezillon <boris.brezillon@...labora.com>,
        linux-i3c@...ts.infradead.org,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Tom Rix <trix@...hat.com>, linux-kernel@...r.kernel.org,
        llvm@...ts.linux.dev, linux-hardening@...r.kernel.org
Subject: Re: [PATCH] i3c/master/mipi-i3c-hci: Annotate struct hci_rings_data
 with __counted_by


On Fri, 22 Sep 2023 10:50:19 -0700, Kees Cook wrote:
> Prepare for the coming implementation by GCC and Clang of the __counted_by
> attribute. Flexible array members annotated with __counted_by can have
> their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS
> (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family
> functions).
> 
> As found with Coccinelle[1], add __counted_by for struct hci_rings_data.
> 
> [...]

Applied, thanks!

[1/1] i3c/master/mipi-i3c-hci: Annotate struct hci_rings_data with __counted_by
      commit: 751d377f0f7a09d6122de0e2232133524568c52b

Best regards,

-- 
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com