linux-kernel - Re: [syzbot] [btrfs?] kernel BUG in __extent_writepage

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: <000000000000fac6ee060c68fb16@google.com>
Date:   Wed, 13 Dec 2023 11:15:03 -0800
From:   syzbot <syzbot+06006fc4a90bff8e8f17@...kaller.appspotmail.com>
To:     axboe@...nel.dk, clm@...com, dsterba@...e.com, hch@....de,
        josef@...icpanda.com, linux-btrfs@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        senozhatsky@...omium.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [btrfs?] kernel BUG in __extent_writepage_io

syzbot has bisected this issue to:

commit 95848dcb9d676738411a8ff70a9704039f1b3982
Author: Christoph Hellwig <hch@....de>
Date:   Sat Aug 5 05:55:37 2023 +0000

    zram: take device and not only bvec offset into account

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1325355ce80000
start commit:   eaadbbaaff74 Merge tag 'fuse-fixes-6.7-rc6' of git://git.k..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=10a5355ce80000
console output: https://syzkaller.appspot.com/x/log.txt?x=1725355ce80000
kernel config:  https://syzkaller.appspot.com/x/.config?x=53ec3da1d259132f
dashboard link: https://syzkaller.appspot.com/bug?extid=06006fc4a90bff8e8f17
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=12cc9deae80000

Reported-by: syzbot+06006fc4a90bff8e8f17@...kaller.appspotmail.com
Fixes: 95848dcb9d67 ("zram: take device and not only bvec offset into account")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection