linux-kernel - Re: [PATCH] firmware: arm_ffa: fix memory corruption in ffa_msg

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Message-ID: <171404365976.1369555.7389182143116745860.b4-ty@arm.com>
Date: Thu, 25 Apr 2024 12:14:42 +0100
From: Sudeep Holla <sudeep.holla@....com>
To: Dan Carpenter <dan.carpenter@...aro.org>
Cc: Sudeep Holla <sudeep.holla@....com>,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] firmware: arm_ffa: fix memory corruption in ffa_msg_send2()

On Wed, 24 Apr 2024 14:40:43 +0300, Dan Carpenter wrote:
> The "msg" pointer is a struct and msg->offset is the sizeof(*msg).  The
> pointer here math means the memcpy() will write outside the bounds.
> Cast "msg" to a u8 pointer to fix this.
>
Applied to sudeep.holla/linux (for-next/ffa/updates), thanks!

[1/1] firmware: arm_ffa: fix memory corruption in ffa_msg_send2()
      https://git.kernel.org/sudeep.holla/c/ddfade88f49d
--
Regards,
Sudeep