linux-kernel - Re: [PATCH v7 00/25] Unify vDSOs across more architectures

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: Windows password security audit tool. GUI, reports in PDF.

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

Date:   Tue, 25 Jun 2019 18:17:18 +0100
From:   Vincenzo Frascino <vincenzo.frascino@....com>
To:     Paul Burton <paul.burton@...s.com>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        "linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
        LAK <linux-arm-kernel@...ts.infradead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        "linux-mips@...r.kernel.org" <linux-mips@...r.kernel.org>,
        "linux-kselftest@...r.kernel.org" <linux-kselftest@...r.kernel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Arnd Bergmann <arnd@...db.de>,
        Russell King <linux@...linux.org.uk>,
        Ralf Baechle <ralf@...ux-mips.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Mark Salyzyn <salyzyn@...roid.com>,
        Peter Collingbourne <pcc@...gle.com>,
        Shuah Khan <shuah@...nel.org>,
        Dmitry Safonov <0x7f454c46@...il.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Huw Davies <huw@...eweavers.com>,
        Shijith Thotton <sthotton@...vell.com>,
        Andre Przywara <andre.przywara@....com>,
        Dmitry Safonov <dima@...sta.com>,
        Andrei Vagin <avagin@...nvz.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Andy Lutomirski <luto@...nel.org>,
        Michael Kelley <mikelley@...rosoft.com>,
        Sasha Levin <sashal@...nel.org>
Subject: Re: [PATCH v7 00/25] Unify vDSOs across more architectures

Hi Paul,

On 25/06/2019 18:11, Paul Burton wrote:
> Hi Vincenzo,
> 
> On Tue, Jun 25, 2019 at 12:16:55AM +0100, Vincenzo Frascino wrote:
>> In the end I concluded that all the errors seen here depend on the fact that I
>> tested my vdso implementation on MIPS32el only (as stated in the cover letter)
>> and that when I tried to compile a 32BIT binary on a 64BIT configuration I did
>> it wrongly for two reasons, for N32 and O32 binaries:
>>  - we need to undefine CONFIG_64BIT and define CONFIG_32BIT
>>  - we need to define CONFIG_GENERIC_ATOMIC64
>>
>> I have a fix for this (patch in attachment), but I do not have the hardware to
>> test it. If you could provide some feedback would be appreciated (really want to
>> see MIPS merged with the other archs in 5.3 :) ).
> 
> Thanks for the quick turnaround on your patch!
> 
> I'm certainly willing to test it, but in a few hours I'll be spending
> the bulk of a day on airplanes[1] so it might take a few days until I
> get to it.
> 

Sounds like a plan. Let us know when you have an update.

> Thanks,
>     Paul
> 
> [1] ...and travel isn't the hackathon it used to be with my 9 month old
>     son around :)
> 

-- 
Regards,
Vincenzo