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Date: Wed, 22 Sep 2021 11:42:08 -0700
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Subject: Re: [syzbot] INFO: rcu detected stall in sys_recvmmsg
From: syzbot <syzbot+3360da629681aa0d22fe@syzkaller.appspotmail.com>
To: mptcp@lists.linux.dev, pabeni@redhat.com, syzkaller-bugs@googlegroups.com
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Hello,

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

Reported-and-tested-by: syzbot+3360da629681aa0d22fe@syzkaller.appspotmail.com

Tested on:

commit:         cf1d2c3e Merge tag 'nfsd-5.15-2' of git://git.kernel.o..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=e917f3dfc452c977
dashboard link: https://syzkaller.appspot.com/bug?extid=3360da629681aa0d22fe
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
patch:          https://syzkaller.appspot.com/x/patch.diff?x=11e0894b300000

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