Re: [syzbot] WARNING in inc_nlink (2)

From: Miklos Szeredi
Date: Wed Nov 17 2021 - 02:25:34 EST


On Wed, 17 Nov 2021 at 06:32, syzbot
<syzbot+1c8034b9f0e640f9ba45@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit 97f044f690bac2b094bfb7fb2d177ef946c85880
> Author: Miklos Szeredi <mszeredi@xxxxxxxxxx>
> Date: Fri Oct 22 15:03:02 2021 +0000
>
> fuse: don't increment nlink in link()
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10563ac9b00000
> start commit: 1da38549dd64 Merge tag 'nfsd-5.15-3' of git://git.kernel.o..
> git tree: upstream
> kernel config: https://syzkaller.appspot.com/x/.config?x=e2ffb281e6323643
> dashboard link: https://syzkaller.appspot.com/bug?extid=1c8034b9f0e640f9ba45
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11f16d57300000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15758d57300000
>
> If the result looks correct, please mark the issue as fixed by replying with:

Highly unlikely: the original report was for sysvfs and the fix is for fuse.

Thanks,
Miklos