[PATCH 2/4] carl9170: fix debugfs crashes

[Kalle Valo]

Greg KH <gregkh at 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?

-- 
Kalle Valo