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Message-ID: <202209281100.5311EE081B@keescook>
Date: Wed, 28 Sep 2022 11:01:50 -0700
From: Kees Cook <keescook@...omium.org>
To: Florian Fainelli <f.fainelli@...il.com>,
Ard Biesheuvel <ardb@...nel.org>
Cc: linux-arm-kernel@...ts.infradead.org,
Seung-Woo Kim <sw0312.kim@...sung.com>,
Russell King <linux@...linux.org.uk>,
Arnd Bergmann <arnd@...db.de>,
Linus Walleij <linus.walleij@...aro.org>,
"Russell King (Oracle)" <rmk+kernel@...linux.org.uk>,
"Steven Rostedt (Google)" <rostedt@...dmis.org>,
Nick Hawkins <nick.hawkins@....com>,
John Crispin <john@...ozen.org>,
Masahiro Yamada <masahiroy@...nel.org>,
Nicolas Schier <n.schier@....de>,
Nick Desaulniers <ndesaulniers@...gle.com>,
open list <linux-kernel@...r.kernel.org>,
bcm-kernel-feedback-list@...adcom.com, anand.gore@...adcom.com,
william.zhang@...adcom.com
Subject: Re: [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@...sung.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@...sung.com>
> [florian: rebased against v6.0-rc7]
> Signed-off-by: Florian Fainelli <f.fainelli@...il.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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