linux-kernel - Re: WARNING in rxrpc

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Message-ID: <000000000000ce496c05ac2d0857@google.com>
Date:   Wed, 05 Aug 2020 20:25:04 -0700
From:   syzbot <syzbot+1a68d5c4e74edea44294@...kaller.appspotmail.com>
To:     davem@...emloft.net, dhowells@...hat.com, kuba@...nel.org,
        linux-afs@...ts.infradead.org, linux-kernel@...r.kernel.org,
        marc.dionne@...istor.com, netdev@...r.kernel.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: WARNING in rxrpc_recvmsg

syzbot suspects this issue was fixed by commit:

commit 65550098c1c4db528400c73acf3e46bfa78d9264
Author: David Howells <dhowells@...hat.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