linux-kernel - Re: [syzbot] [btrfs?] WARNING in do_chunk

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Date:   Sun, 10 Sep 2023 20:20:33 -0700
From:   syzbot <syzbot+88247ec7a18c953867d5@...kaller.appspotmail.com>
To:     clm@...com, dsterba@...e.com, josef@...icpanda.com,
        linux-btrfs@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [btrfs?] WARNING in do_chunk_alloc

syzbot suspects this issue was fixed by commit:

commit cd361199ff23776481c37023a55d855d5ad5c0f5
Author: Josef Bacik <josef@...icpanda.com>
Date:   Mon Jul 31 20:28:43 2023 +0000

    btrfs: wait on uncached block groups on every allocation loop

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1582bf14680000
start commit:   eb7081409f94 Linux 6.1-rc6
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=8cdf448d3b35234
dashboard link: https://syzkaller.appspot.com/bug?extid=88247ec7a18c953867d5
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=10b80ab1880000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12dd6d45880000

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

#syz fix: btrfs: wait on uncached block groups on every allocation loop

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