linux-kernel - Re: Regression in v5.0-rc1: Panic at boot

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, 08 Jan 2019 08:49:07 -0500
From:   Jeff Moyer <jmoyer@...hat.com>
To:     Logan Gunthorpe <logang@...tatee.com>
Cc:     Christoph Hellwig <hch@....de>, Jens Axboe <axboe@...nel.dk>,
        "linux-block\@vger.kernel.org" <linux-block@...r.kernel.org>,
        "linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: Regression in v5.0-rc1: Panic at boot

Hi, Logan,

Logan Gunthorpe <logang@...tatee.com> writes:

> Hey,
>
> I found a regression in v5.0-rc1 this morning. My system panics on boot.
> I've attached a log of the panic.
>
> I bisected to find the problematic commit is:
>
> Fixes: 9d037ad707ed ("block: remove req->timeout_list")
>
> But it makes no sense to me why this commit would cause a problem like
> this. I've attached a bisect log. I've also tested v5.0-rc1 with this
> commit reverted and that boots fine.
>
> The traceback seems to indicate the problem is on the bip_get_seed()
> line in t10_pi_complete(). Which suggests that bio_integrity() is
> returning NULL.

Does your hardware actually support protection information?

-Jeff