WARNING in rxrpc_recvmsg

[Dmitry Vyukov]

On Thu, Aug 6, 2020 at 5:25 AM syzbot
<syzbot+1a68d5c4e74edea44294 at syzkaller.appspotmail.com> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit 65550098c1c4db528400c73acf3e46bfa78d9264
> Author: David Howells <dhowells at redhat.com>
> Date:   Tue Jul 28 23:03:56 2020 +0000
>
>     rxrpc: Fix race between recvmsg and sendmsg on immediate call failure
>
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=10bd3bcc900000
> start commit:   7cc2a8ea Merge tag 'block-5.8-2020-07-01' of git://git.ker..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=7be693511b29b338
> dashboard link: https://syzkaller.appspot.com/bug?extid=1a68d5c4e74edea44294
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=17a5022f100000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=150932a7100000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: rxrpc: Fix race between recvmsg and sendmsg on immediate call failure
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection

#syz fix: rxrpc: Fix race between recvmsg and sendmsg on immediate call failure