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

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Message-ID: <67cef193.050a0220.3d01d1.0010.GAE@google.com>
Date: Mon, 10 Mar 2025 07:05:07 -0700
From: syzbot <syzbot+53bb24d476ef8368a7f0@...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 __journal_res_get (2)

syzbot suspects this issue was fixed by commit:

commit fb8c835b18d48dac953a5d755a8e90b0d8fb9c29
Author: Kent Overstreet <kent.overstreet@...ux.dev>
Date:   Sat Oct 12 02:50:48 2024 +0000

    bcachefs: bch2_journal_meta() takes ref on c->writes

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1487d074580000
start commit:   bcde95ce32b6 Merge tag 'devicetree-fixes-for-6.13-1' of gi..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=1234f097ee657d8b
dashboard link: https://syzkaller.appspot.com/bug?extid=53bb24d476ef8368a7f0
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16ff98c4580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=11ff98c4580000

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

#syz fix: bcachefs: bch2_journal_meta() takes ref on c->writes

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