Messages in this thread | | | From | Geert Uytterhoeven <> | Date | Tue, 20 Feb 2018 11:50:13 +0100 | Subject | Re: [PATCH 1/9] serial: arc_uart: Fix out-of-bounds access through DT alias |
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On Tue, Feb 20, 2018 at 10:40 AM, Geert Uytterhoeven <geert+renesas@glider.be> wrote: > The arc_uart_ports[] array is indexed using a value derived from the > "serialN" alias in DT, which may lead to an out-of-bounds access. > > Fix this by adding a range check. > > Note that the array size is defined by a Kconfig symbol > (CONFIG_SERIAL_ARC_NR_PORTS), so this can even be triggered using a > legitimate DTB. > > Fixes: 10640deb04b7949a ("serial: arc_uart: Fix out-of-bounds access through DT alias")
Fixes: ea28fd56fcde69af ("serial/arc-uart: switch to devicetree based probing")
Gr{oetje,eeting}s,
Geert
-- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
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