[PATCH 1/3] clk: bcm: rpi: Prevent out-of-bounds access
Florian Fainelli
f.fainelli at gmail.com
Wed Jul 13 09:25:31 PDT 2022
On 7/13/22 08:49, Stefan Wahren wrote:
> The while loop in raspberrypi_discover_clocks() relies on the assumption
> that the id of the last clock element is zero. Because this data comes
> from the Videocore firmware and it doesn't guarantuee such a behavior
> this could lead to out-of-bounds access. So fix this by providing
> a sentinel element.
>
> Fixes: 93d2725affd6 ("clk: bcm: rpi: Discover the firmware clocks")
> Link: https://github.com/raspberrypi/firmware/issues/1688
> Suggested-by: Phil Elwell <phil at raspberrypi.com>
> Signed-off-by: Stefan Wahren <stefan.wahren at i2se.com>
Acked-by: Florian Fainelli <f.fainelli at gmail.com>
--
Florian
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