linux-kernel - Re: [syzbot] [bcachefs?] kernel BUG in bch2_bkey_pack_pos

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Message-ID: <68721897.a00a0220.26a83e.0073.GAE@google.com>
Date: Sat, 12 Jul 2025 01:11:03 -0700
From: syzbot <syzbot+a6af6dbf934175da5161@...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?] kernel BUG in bch2_bkey_pack_pos_lossy (2)

syzbot suspects this issue was fixed by commit:

commit 263561649ee5875a922f4358e96d3deb17a91021
Author: Kent Overstreet <kent.overstreet@...ux.dev>
Date:   Sat Jun 7 18:27:35 2025 +0000

    bcachefs: Don't persistently run scan_for_btree_nodes

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=141eae8c580000
start commit:   90b83efa6701 Merge tag 'bpf-next-6.16' of git://git.kernel..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=ae6d9a7dd3ac8772
dashboard link: https://syzkaller.appspot.com/bug?extid=a6af6dbf934175da5161
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=159907f4580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1758a482580000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: bcachefs: Don't persistently run scan_for_btree_nodes

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