Re: general protection fault in skb_put
From: James Smart <hidden>
Date: 2019-03-11 16:20:43
Also in:
linux-nvme, lkml
On 3/11/2019 6:20 AM, syzbot wrote:
syzbot has bisected this bug to: commit 97faec531460c949d7120672b8c77e2f41f8d6d7 Author: James Smart [off-list ref] 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@syzkaller.appspotmail.com Fixes: 97faec53 ("nvme_fc: add 'nvme_discovery' sysfs attribute to fc transport device")
can someone contact me as to what this thing is doing and how to interpret all the logs. nvme_fc isn't remotely in any of the logs and doesn't use skb's unless the underlying udev_uevents are using them. -- james