linux-kernel - Re: [syzbot] [bcachefs?] general protection fault in bch2_btree_path_traverse

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Message-ID: <672d3be7.050a0220.0db4.01af.GAE@google.com>
Date: Thu, 07 Nov 2024 14:15:03 -0800
From: syzbot <syzbot+e22007d6acb9c87c2362@...kaller.appspotmail.com>
To: kent.overstreet@...ux.dev, linux-bcachefs@...r.kernel.org, 
	linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [bcachefs?] general protection fault in bch2_btree_path_traverse_one

syzbot has bisected this issue to:

commit bf4baaa087e2be0279991f1dbf9acaa7a4c9148c
Author: Kent Overstreet <kent.overstreet@...ux.dev>
Date:   Sat Oct 5 21:37:02 2024 +0000

    bcachefs: Fix lockdep splat in bch2_accounting_read

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1102fd5f980000
start commit:   ff7afaeca1a1 Merge tag 'nfs-for-6.12-3' of git://git.linux..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=1302fd5f980000
console output: https://syzkaller.appspot.com/x/log.txt?x=1502fd5f980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=921b01cbfd887a9b
dashboard link: https://syzkaller.appspot.com/bug?extid=e22007d6acb9c87c2362
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=14d9ae30580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=13003f40580000

Reported-by: syzbot+e22007d6acb9c87c2362@...kaller.appspotmail.com
Fixes: bf4baaa087e2 ("bcachefs: Fix lockdep splat in bch2_accounting_read")

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