linux-kernel - Re: [syzbot] [bcachefs?] INFO: task hung in bch2_copygc

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] [day] [month] [year] [list]

Message-ID: <00000000000095b8f806224da030@google.com>
Date: Tue, 17 Sep 2024 02:51:02 -0700
From: syzbot <syzbot+c6fd966ebbdea1e8ff08@...kaller.appspotmail.com>
To: bfoster@...hat.com, kent.overstreet@...ux.dev, 
	linux-bcachefs@...r.kernel.org, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [bcachefs?] INFO: task hung in bch2_copygc_stop

syzbot has bisected this issue to:

commit f5095b9f85a1674a92d00e7ab466499a8ba49ce1
Author: Kent Overstreet <kent.overstreet@...ux.dev>
Date:   Tue Jan 2 00:42:37 2024 +0000

    bcachefs: dev_usage updated by new accounting

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1256e29f980000
start commit:   adfc3ded5c33 Merge tag 'for-6.12/io_uring-discard-20240913..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=1156e29f980000
console output: https://syzkaller.appspot.com/x/log.txt?x=1656e29f980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=6f94136b4da4e897
dashboard link: https://syzkaller.appspot.com/bug?extid=c6fd966ebbdea1e8ff08
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=10936a8b980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10bdd7c7980000

Reported-by: syzbot+c6fd966ebbdea1e8ff08@...kaller.appspotmail.com
Fixes: f5095b9f85a1 ("bcachefs: dev_usage updated by new accounting")

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