Re: WARNING in sk_stream_kill_queues (4)

[syzbot]

syzbot suspects this bug was fixed by commit:

commit b6f6118901d1e867ac9177bbff3b00b185bd4fdc
Author: Eric Dumazet <edumazet@xxxxxxxxxx>
Date:   Tue Feb 25 19:52:29 2020 +0000

    ipv6: restrict IPV6_ADDRFORM operation

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1177dc25e00000
start commit:   f8788d86 Linux 5.6-rc3
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=9833e26bab355358
dashboard link: https://syzkaller.appspot.com/bug?extid=fbe81b56f7df4c0fb21b
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=14fd92c3e00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=11679a81e00000

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

#syz fix: ipv6: restrict IPV6_ADDRFORM operation

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