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SubjectRe: BUG: unable to handle kernel NULL pointer dereference in cfg80211_wext_siwrts
I noticed pfifo_qdisc_ops is exported as default_qdisc_ops is it
possible this is how rdev->ops is NULL

Seems unlikely, but thought I'd point it out.


On Fri, Jan 10, 2020 at 11:13 AM Johannes Berg
<johannes@sipsolutions.net> wrote:
>
> On Fri, 2020-01-10 at 11:11 -0800, syzbot wrote:
> > Hello,
> >
> > syzbot found the following crash on:
> >
> > HEAD commit: 2f806c2a Merge branch 'net-ungraft-prio'
> > git tree: net
> > console output: https://syzkaller.appspot.com/x/log.txt?x=1032069ee00000
> > kernel config: https://syzkaller.appspot.com/x/.config?x=5c90cac8f1f8c619
> > dashboard link: https://syzkaller.appspot.com/bug?extid=34b582cf32c1db008f8e
> > compiler: gcc (GCC) 9.0.0 20181231 (experimental)
> >
> > Unfortunately, I don't have any reproducer for this crash yet.
>
> It's quite likely also in virt_wifi, evidently that has some issues.
>
> Cody, did you take a look at the previous report by any chance?
>
> johannes
>

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