linux-kernel - Re: usercopy whitelist woe in scsi_sense

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]

Message-ID: <CAGXu5jLhnWnUiscP9B=kTEFNyRw9jgFn7Zr5FxhZrO20553+1Q@mail.gmail.com>
Date:   Thu, 12 Apr 2018 20:02:43 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Oleksandr Natalenko <oleksandr@...alenko.name>,
        Jens Axboe <axboe@...nel.dk>
Cc:     David Windsor <dave@...lcore.net>,
        "James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
        Christoph Hellwig <hch@....de>,
        Hannes Reinecke <hare@...e.com>,
        Johannes Thumshirn <jthumshirn@...e.de>,
        linux-block@...r.kernel.org, paolo.valente@...aro.org
Subject: Re: usercopy whitelist woe in scsi_sense_cache

On Thu, Apr 12, 2018 at 3:47 PM, Kees Cook <keescook@...omium.org> wrote:
> After fixing up some build issues in the middle of the 4.16 cycle, I
> get an unhelpful bisect result of commit 0a4b6e2f80aa ("Merge branch
> 'for-4.16/block'"). Instead of letting the test run longer, I'm going
> to switch to doing several shorter test boots per kernel and see if
> that helps. One more bisect coming...

Okay, so I can confirm the bisect points at the _merge_ itself, not a
specific patch. I'm not sure how to proceed here. It looks like some
kind of interaction between separate trees? Jens, do you have
suggestions on how to track this down?

-Kees

-- 
Kees Cook
Pixel Security