linux-kernel - Re: BUG: unable to handle kernel paging request in corrupted (2)

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Date:   Fri, 19 Jul 2019 04:56:00 -0700
From:   syzbot <syzbot+08b7a2c58acdfa12c82d@...kaller.appspotmail.com>
To:     dave.stevenson@...pberrypi.org, davem@...emloft.net,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        netdev@...r.kernel.org, syzkaller-bugs@...glegroups.com,
        unglinuxdriver@...rochip.com, woojung.huh@...rochip.com
Subject: Re: BUG: unable to handle kernel paging request in corrupted (2)

syzbot has bisected this bug to:

commit 9343ac87f2a4e09bf6e27b5f31e72e9e3a82abff
Author: Dave Stevenson <dave.stevenson@...pberrypi.org>
Date:   Mon Jun 25 14:07:15 2018 +0000

     net: lan78xx: Use s/w csum check on VLANs without tag stripping

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=102feb84600000
start commit:   49d05fe2 ipv6: rt6_check should return NULL if 'from' is N..
git tree:       net
final crash:    https://syzkaller.appspot.com/x/report.txt?x=122feb84600000
console output: https://syzkaller.appspot.com/x/log.txt?x=142feb84600000
kernel config:  https://syzkaller.appspot.com/x/.config?x=87305c3ca9c25c70
dashboard link: https://syzkaller.appspot.com/bug?extid=08b7a2c58acdfa12c82d
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=143a78f4600000

Reported-by: syzbot+08b7a2c58acdfa12c82d@...kaller.appspotmail.com
Fixes: 9343ac87f2a4 ("net: lan78xx: Use s/w csum check on VLANs without tag  
stripping")

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