linux-kernel - Re: [syzbot] [bcachefs?] BUG: corrupted list in bch2_btree_and_journal_iter

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Message-ID: <6747162e.050a0220.1286eb.0031.GAE@google.com>
Date: Wed, 27 Nov 2024 04:53:02 -0800
From: syzbot <syzbot+2f7c2225ed8a5cb24af1@...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?] BUG: corrupted list in bch2_btree_and_journal_iter_exit

syzbot has bisected this issue to:

commit d1adfe4e7e4e7ea225547a07c4b79c314c50c6fb
Author: Kent Overstreet <kent.overstreet@...ux.dev>
Date:   Sun Apr 7 03:26:36 2024 +0000

    bcachefs: move root node topo checks to node_check_topology()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=17e6e1e8580000
start commit:   9f16d5e6f220 Merge tag 'for-linus' of git://git.kernel.org..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=1416e1e8580000
console output: https://syzkaller.appspot.com/x/log.txt?x=1016e1e8580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=e92fc420ca55fe33
dashboard link: https://syzkaller.appspot.com/bug?extid=2f7c2225ed8a5cb24af1
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16cf575f980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=14be0530580000

Reported-by: syzbot+2f7c2225ed8a5cb24af1@...kaller.appspotmail.com
Fixes: d1adfe4e7e4e ("bcachefs: move root node topo checks to node_check_topology()")

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