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Message-ID: <brjna7vjgzn6fpbdoxwhzs4qonbs5dzqujpj3lufgkxetxlvvb@oyiz7m6cqltu>
Date: Fri, 30 May 2025 16:14:24 -0700
From: Dmitry Torokhov <dmitry.torokhov@...il.com>
To: Dan Carpenter <dan.carpenter@...aro.org>
Cc: Kees Cook <kees@...nel.org>,
Javier Carrasco <javier.carrasco.cruz@...il.com>, David Lechner <dlechner@...libre.com>,
"Gustavo A. R. Silva" <gustavoars@...nel.org>, Al Viro <viro@...iv.linux.org.uk>,
Erick Archer <erick.archer@...look.com>, linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] Input: ims-pcu - Check record size in
ims_pcu_flash_firmware()
On Wed, May 28, 2025 at 11:22:24PM +0300, Dan Carpenter wrote:
> The "len" variable comes from the firmware and we generally do
> trust firmware, but it's always better to double check. If the "len"
> is too large it could result in memory corruption when we do
> "memcpy(fragment->data, rec->data, len);"
>
> Fixes: 628329d52474 ("Input: add IMS Passenger Control Unit driver")
> Signed-off-by: Dan Carpenter <dan.carpenter@...aro.org>
Applied, thank you.
--
Dmitry
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