linux-kernel - Re: general protection fault in skb

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Date:   Mon, 11 Mar 2019 06:20:00 -0700
From:   syzbot <syzbot+65788f9af9d54844389e@...kaller.appspotmail.com>
To:     axboe@...com, hch@....de, james.smart@...adcom.com,
        johan.hedberg@...il.com, jsmart2021@...il.com,
        keith.busch@...el.com, linux-bluetooth@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-nvme@...ts.infradead.org,
        marcel@...tmann.org, sagi@...mberg.me,
        syzkaller-bugs@...glegroups.com
Subject: Re: general protection fault in skb_put

syzbot has bisected this bug to:

commit 97faec531460c949d7120672b8c77e2f41f8d6d7
Author: James Smart <jsmart2021@...il.com>
Date:   Thu Sep 13 23:17:38 2018 +0000

     nvme_fc: add 'nvme_discovery' sysfs attribute to fc transport device

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=121f55db200000
start commit:   97faec53 nvme_fc: add 'nvme_discovery' sysfs attribute to ..
git tree:       linux-next
final crash:    https://syzkaller.appspot.com/x/report.txt?x=111f55db200000
console output: https://syzkaller.appspot.com/x/log.txt?x=161f55db200000
kernel config:  https://syzkaller.appspot.com/x/.config?x=59aefae07c771af6
dashboard link: https://syzkaller.appspot.com/bug?extid=65788f9af9d54844389e
userspace arch: amd64
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=178e0798c00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=11b4f0b0c00000

Reported-by: syzbot+65788f9af9d54844389e@...kaller.appspotmail.com
Fixes: 97faec53 ("nvme_fc: add 'nvme_discovery' sysfs attribute to fc  
transport device")