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Groups > linux.kernel > #1485753
| From | Greg KH <gregkh@linuxfoundation.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 2/4] carl9170: fix debugfs crashes |
| Date | 2016-09-18 12:20 +0200 |
| Message-ID | <siHmx-6RB-11@gated-at.bofh.it> (permalink) |
| References | <sitMB-6CA-13@gated-at.bofh.it> <sitMC-6CA-27@gated-at.bofh.it> <sivEJ-7Oz-3@gated-at.bofh.it> <siFb3-5jy-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Sun, Sep 18, 2016 at 10:54:18AM +0300, Kalle Valo wrote:
> Greg KH <gregkh@linuxfoundation.org> writes:
>
> > On Sat, Sep 17, 2016 at 09:43:02PM +0200, Christian Lamparter wrote:
> >> Ben Greear reported:
> >> > I see lots of instability as soon as I load up the carl9710 NIC.
> >> > My application is going to be poking at it's debugfs files...
> >> >
> >> > BUG: KASAN: slab-out-of-bounds in carl9170_debugfs_read+0xd5/0x2a0
> >> > [carl9170] at addr ffff8801bc1208b0
> >> > Read of size 8 by task btserver/5888
> >> > =======================================================================
> >> > BUG kmalloc-256 (Tainted: G W ): kasan: bad access detected
> >> > -----------------------------------------------------------------------
> >> >
> >> > INFO: Allocated in seq_open+0x50/0x100 age=2690 cpu=2 pid=772
> >> >...
> >>
> >> This breakage was caused by the introduction of intermediate
> >> fops in debugfs by commit 9fd4dcece43a
> >> ("debugfs: prevent access to possibly dead file_operations at file open")
> >
> > Because of this, these should all be backported to 4.7-stable, and
> > 4.8-stable, right?
>
> Via which tree should these go, Greg's or mine?
I'll take it if you ack it, as it's a debugfs issue.
thanks,
greg k-h
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[PATCH 2/4] carl9170: fix debugfs crashes Christian Lamparter <chunkeey@googlemail.com> - 2016-09-17 21:50 +0200
Re: [PATCH 2/4] carl9170: fix debugfs crashes Greg KH <gregkh@linuxfoundation.org> - 2016-09-17 23:50 +0200
Re: [PATCH 2/4] carl9170: fix debugfs crashes Kalle Valo <kvalo@codeaurora.org> - 2016-09-18 10:00 +0200
Re: [PATCH 2/4] carl9170: fix debugfs crashes Greg KH <gregkh@linuxfoundation.org> - 2016-09-18 12:20 +0200
Re: [PATCH 2/4] carl9170: fix debugfs crashes Christian Lamparter <chunkeey@googlemail.com> - 2016-09-18 14:50 +0200
Re: [PATCH 2/4] carl9170: fix debugfs crashes Greg KH <gregkh@linuxfoundation.org> - 2016-09-18 18:50 +0200
Re: [PATCH 2/4] carl9170: fix debugfs crashes Christian Lamparter <chunkeey@googlemail.com> - 2016-09-19 22:20 +0200
Re: [PATCH 2/4] carl9170: fix debugfs crashes Greg KH <gregkh@linuxfoundation.org> - 2016-09-20 09:00 +0200
Re: [PATCH 2/4] carl9170: fix debugfs crashes Kalle Valo <kvalo@codeaurora.org> - 2016-09-18 19:00 +0200
Re: [PATCH 2/4] carl9170: fix debugfs crashes Greg KH <gregkh@linuxfoundation.org> - 2016-09-21 12:20 +0200
Re: [PATCH 2/4] carl9170: fix debugfs crashes Christian Lamparter <chunkeey@googlemail.com> - 2016-09-21 18:30 +0200
[PATCH v2] carl9170: fix debugfs crashes Christian Lamparter <chunkeey@googlemail.com> - 2016-09-21 19:00 +0200
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