linux-kernel - Re: [syzbot] [btrfs?] kernel BUG in assertfail (2)

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Message-ID: <CANp29Y5HZDVrsZcauU2BbHy2TgRcV26e4g7Oud991dk6B-e55A@mail.gmail.com>
Date:   Thu, 20 Jul 2023 11:46:55 +0200
From:   Aleksandr Nogikh <nogikh@...gle.com>
To:     syzbot <syzbot+c4614eae20a166c25bf0@...kaller.appspotmail.com>
Cc:     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,
        wqu@...e.com
Subject: Re: [syzbot] [btrfs?] kernel BUG in assertfail (2)

On Thu, Jul 20, 2023 at 11:43 AM syzbot
<syzbot+c4614eae20a166c25bf0@...kaller.appspotmail.com> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit 745806fb4554f334e6406fa82b328562aa48f08f
> Author: Qu Wenruo <wqu@...e.com>
> Date:   Sun Jun 11 00:09:13 2023 +0000
>
>     btrfs: do not ASSERT() on duplicated global roots
>
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=16d92676a80000
> start commit:   830b3c68c1fb Linux 6.1
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=26d9ba6d9b746f4
> dashboard link: https://syzkaller.appspot.com/bug?extid=c4614eae20a166c25bf0
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=14078087880000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1403948f880000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: btrfs: do not ASSERT() on duplicated global roots

Looks reasonable.

#syz fix: btrfs: do not ASSERT() on duplicated global roots

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