linux-hardening - Re: [PATCH] power: supply: axp20x_usb_power: Annotate struct axp20x_usb_power with __counted

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Message-Id: <169542328255.1475988.7829886133144641249.b4-ty@collabora.com>
Date: Sat, 23 Sep 2023 00:54:42 +0200
From: Sebastian Reichel <sebastian.reichel@...labora.com>
To: Sebastian Reichel <sre@...nel.org>, Kees Cook <keescook@...omium.org>
Cc: Chen-Yu Tsai <wens@...e.org>, linux-pm@...r.kernel.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] power: supply: axp20x_usb_power: Annotate struct
 axp20x_usb_power with __counted_by


On Fri, 22 Sep 2023 10:53:58 -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 axp20x_usb_power.
> 
> [...]

Applied, thanks!

[1/1] power: supply: axp20x_usb_power: Annotate struct axp20x_usb_power with __counted_by
      commit: de1ca06bc0364a58ba0889d97a7a094d87dd5477

Best regards,
-- 
Sebastian Reichel <sebastian.reichel@...labora.com>