linux-kernel - Re: [syzbot] [bcachefs?] kernel BUG in bch2_reconstruct

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Message-ID: <685452b7.a00a0220.137b3.0014.GAE@google.com>
Date: Thu, 19 Jun 2025 11:11:03 -0700
From: syzbot <syzbot+b4cb4a6988aced0cec4b@...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_reconstruct_snapshots

syzbot suspects this issue was fixed by commit:

commit 757601ef853359fe2d57d75c00b5045f62efc608
Author: Kent Overstreet <kent.overstreet@...ux.dev>
Date:   Sun Jun 8 15:40:00 2025 +0000

    bcachefs: Don't put rhashtable on stack

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=13b01d0c580000
start commit:   128c8f96eb86 Merge tag 'drm-fixes-2025-02-14' of https://g..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=e55cabe422b4fcaf
dashboard link: https://syzkaller.appspot.com/bug?extid=b4cb4a6988aced0cec4b
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16d5d9b0580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=112099a4580000

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

#syz fix: bcachefs: Don't put rhashtable on stack

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