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: <20230904132649.GA4819@lst.de>
Date:   Mon, 4 Sep 2023 15:26:49 +0200
From:   Christoph Hellwig <hch@....de>
To:     Dave Chinner <david@...morbit.com>
Cc:     syzbot <syzbot+4a08ffdf3667b36650a1@...kaller.appspotmail.com>,
        adilger.kernel@...ger.ca, djwong@...nel.org,
        linux-ext4@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-xfs@...r.kernel.org,
        song@...nel.org, syzkaller-bugs@...glegroups.com, tytso@....edu,
        yukuai3@...wei.com, zhang_shurong@...mail.com,
        linux-block@...r.kernel.org, axboe@...nel.dk, hch@....de
Subject: Re: [syzbot] [xfs?] [ext4?] kernel BUG in __block_write_begin_int

On Mon, Sep 04, 2023 at 06:33:41PM +1000, Dave Chinner wrote:
> It appears that 0010:__block_write_begin_int() has iterated beyond
> the iomap that was passed in, triggering the BUG_ON() check in
> iomap_to_bh().

Yes, I'll look into it.

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ