Re: KASAN: use-after-free Read in nbd_genl_connect

[syzbot]

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-and-tested-by: syzbot+429d3f82d757c211bff3@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         2b31ee47 nbd: handle device refs for DESTROY_ON_DISCONNECT..
git tree:       git://git.kernel.org/pub/scm/linux/kernel/git/josef/btrfs-next.git nbd-kasan-fix
kernel config:  https://syzkaller.appspot.com/x/.config?x=8ff2a923e3615ffe
dashboard link: https://syzkaller.appspot.com/bug?extid=429d3f82d757c211bff3
compiler:       

Note: testing is done by a robot and is best-effort only.