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SubjectRe: [PATCH] ARM: ubsan: select ARCH_HAS_UBSAN_SANITIZE_ALL
On Wed, Sep 28, 2022 at 10:47:39AM -0700, Florian Fainelli wrote:
> From: Seung-Woo Kim <sw0312.kim@samsung.com>
>
> To enable UBSAN on ARM, this patch enables ARCH_HAS_UBSAN_SANITIZE_ALL
> from arm confiuration. Basic kernel bootup test is passed on arm with
> CONFIG_UBSAN_SANITIZE_ALL enabled.
>
> Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
> [florian: rebased against v6.0-rc7]
> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

Ah-ha, thanks for testing this. What devices did you check this on? I
know boot-up on arm32 can be very device-specific.

Which UBSAN configs did you try?

Thanks!

-Kees

--
Kees Cook

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