Re: WARNING: refcount bug in p9_req_put

[syzbot]

syzbot suspects this issue was fixed by commit:

commit a39c46067c845a8a2d7144836e9468b7f072343e
Author: Christoph Hellwig <hch@xxxxxx>
Date:   Fri Jul 10 08:57:22 2020 +0000

    net/9p: validate fds in p9_fd_open

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1015f012900000
start commit:   459e3a21 gcc-9: properly declare the {pv,hv}clock_page sto..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=ef1b87b455c397cf
dashboard link: https://syzkaller.appspot.com/bug?extid=edec7868af5997928fe9
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1642ee48a00000

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

#syz fix: net/9p: validate fds in p9_fd_open

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