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From:   Aleksandr Nogikh <nogikh@google.com>
Date:   Thu, 20 Jul 2023 11:46:55 +0200
Message-ID: <CANp29Y5HZDVrsZcauU2BbHy2TgRcV26e4g7Oud991dk6B-e55A@mail.gmail.com>
Subject: Re: [syzbot] [btrfs?] kernel BUG in assertfail (2)
To:     syzbot <syzbot+c4614eae20a166c25bf0@syzkaller.appspotmail.com>
Cc:     clm@fb.com, dsterba@suse.com, josef@toxicpanda.com,
        linux-btrfs@vger.kernel.org, linux-fsdevel@vger.kernel.org,
        linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com,
        wqu@suse.com
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On Thu, Jul 20, 2023 at 11:43=E2=80=AFAM syzbot
<syzbot+c4614eae20a166c25bf0@syzkaller.appspotmail.com> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit 745806fb4554f334e6406fa82b328562aa48f08f
> Author: Qu Wenruo <wqu@suse.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=3D16d92676a8=
0000
> start commit:   830b3c68c1fb Linux 6.1
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=3D26d9ba6d9b746=
f4
> dashboard link: https://syzkaller.appspot.com/bug?extid=3Dc4614eae20a166c=
25bf0
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=3D14078087880=
000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=3D1403948f88000=
0
>
> If the result looks correct, please mark the issue as fixed by replying w=
ith:
>
> #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#bisect=
ion
>