From: Kees Cook <keescook@chromium.org>
To: "Gustavo A. R. Silva" <gustavoars@kernel.org>
Cc: Johan Hovold <johan@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-hardening@vger.kernel.org
Subject: Re: [PATCH][next] USB: serial: ti_usb_3410_5052: Use struct_size() helper in ti_write_byte()
Date: Thu, 20 Jan 2022 15:23:36 -0800 [thread overview]
Message-ID: <202201201523.9751D119@keescook> (raw)
In-Reply-To: <20220120213131.GA32119@embeddedor>
On Thu, Jan 20, 2022 at 03:31:31PM -0600, Gustavo A. R. Silva wrote:
> Make use of the struct_size() helper instead of an open-coded version,
> in order to avoid any potential type mistakes or integer overflows that,
> in the worst scenario, could lead to heap overflows.
>
> Also, address the following sparse warnings:
> drivers/usb/serial/ti_usb_3410_5052.c:1521:16: warning: using sizeof on a flexible structure
>
> Link: https://github.com/KSPP/linux/issues/174
> Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Looks good.
Reviewed-by: Kees Cook <keescook@chromium.org>
--
Kees Cook
next prev parent reply other threads:[~2022-01-20 23:23 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-20 21:31 [PATCH][next] USB: serial: ti_usb_3410_5052: Use struct_size() helper in ti_write_byte() Gustavo A. R. Silva
2022-01-20 23:23 ` Kees Cook [this message]
2022-03-03 13:05 ` Johan Hovold
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