linux-kernel - Re: [PATCH AUTOSEL 4.14 1/9] drm/radeon: Fix integer overflow in radeon_cs_parser

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Message-ID: <ZL5PmleXslwGqwr1@duo.ucw.cz>
Date:   Mon, 24 Jul 2023 12:16:58 +0200
From:   Pavel Machek <pavel@....cz>
To:     Sasha Levin <sashal@...nel.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        hackyzh002 <hackyzh002@...il.com>,
        Christian König <christian.koenig@....com>,
        Alex Deucher <alexander.deucher@....com>, airlied@...ux.ie,
        amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH AUTOSEL 4.14 1/9] drm/radeon: Fix integer overflow in
 radeon_cs_parser_init

Hi!

> From: hackyzh002 <hackyzh002@...il.com>
> 
> [ Upstream commit f828b681d0cd566f86351c0b913e6cb6ed8c7b9c ]
> 
> The type of size is unsigned, if size is 0x40000000, there will be an
> integer overflow, size will be zero after size *= sizeof(uint32_t),
> will cause uninitialized memory to be referenced later

I only got the first patch of the series via lkml, rest seems to have
been lost somewhere :-(.

Best regards,
								Pavel
-- 
People of Russia, stop Putin before his war on Ukraine escalates.

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