linux-kernel - Re: [PATCH] arm64: defconfig: update and enable CONFIG_RANDOMIZE

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20190624095122.GA29120@arrakis.emea.arm.com>
Date:   Mon, 24 Jun 2019 10:51:23 +0100
From:   Catalin Marinas <catalin.marinas@....com>
To:     Will Deacon <will.deacon@....com>
Cc:     Nick Desaulniers <ndesaulniers@...gle.com>,
        ard.biesheuvel@...aro.org, broonie@...nel.org,
        mark.rutland@....com, Olof Johansson <olof@...om.net>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Jagan Teki <jagan@...rulasolutions.com>,
        Arnd Bergmann <arnd@...db.de>, Shawn Guo <shawnguo@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Dinh Nguyen <dinguyen@...nel.org>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: defconfig: update and enable CONFIG_RANDOMIZE_BASE

On Thu, Jun 20, 2019 at 08:46:58AM +0100, Will Deacon wrote:
> On Wed, Jun 19, 2019 at 05:32:42PM -0700, Nick Desaulniers wrote:
> > Generated via:
> > $ ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- make defconfig
> > $ ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- make menuconfig
> > <enable CONFIG_RANDOMIZE_BASE aka KASLR>
> > $ ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- make savedefconfig
> > $ mv defconfig arch/arm64/configs/defconfig
[...]
> Irrespective of the above, I know Catalin was running into issues with his
> automated tests where the kernel would die silently during early boot with
> some seeds.  That's a bit rubbish if it's still the case -- Catalin?

I stopped seeing these failures about 1-2 months ago, not sure exactly
what changed. I'm ok to enable KASLR in defconfig.

-- 
Catalin