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

From: Aleksandr Nogikh
Date: Thu Jul 20 2023 - 05:49:02 EST


On Thu, Jul 20, 2023 at 11:43 AM syzbot
<syzbot+c4614eae20a166c25bf0@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit 745806fb4554f334e6406fa82b328562aa48f08f
> Author: Qu Wenruo <wqu@xxxxxxxx>
> 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
>