netdev - WARNING: stack recursion on stack type 2

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Message-ID: <0000000000003823e405a344a481@google.com>
Date:   Tue, 14 Apr 2020 11:48:11 -0700
From:   syzbot <syzbot+a518ca2ae9f86ff95079@...kaller.appspotmail.com>
To:     linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        syzkaller-bugs@...glegroups.com
Subject: WARNING: stack recursion on stack type 2

Hello,

syzbot found the following crash on:

HEAD commit:    1a323ea5 x86: get rid of 'errret' argument to __get_user_x..
git tree:       bpf-next
console output: https://syzkaller.appspot.com/x/log.txt?x=1688db5de00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=8c1e98458335a7d1
dashboard link: https://syzkaller.appspot.com/bug?extid=a518ca2ae9f86ff95079
compiler:       gcc (GCC) 9.0.0 20181231 (experimental)

Unfortunately, I don't have any reproducer for this crash yet.

IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+a518ca2ae9f86ff95079@...kaller.appspotmail.com

WARNING: stack recursion on stack type 2

---
This bug is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@...glegroups.com.

syzbot will keep track of this bug report. See:
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