[dm-devel] dm mirror: fix crash caused by NULL-pointer dereference

[Eric Ren]

Hi Mike,

On 06/26/2017 09:43 PM, Mike Snitzer wrote:
> On Mon, Jun 26 2017 at  7:49am -0400,
> Zdenek Kabelac <zkabelac at redhat.com> wrote:
>
>> [...snip...]
>> Ohh  - I've -rc6 - while this  'revert' patch went to 4.12-rc7.
>>
>> I'm now starting to wonder why?
>>
>> It's been a real fix for a real issue - and 'revert' message states
>> there is no such problem ??
>>
>> I'm confused....
>>
>> Mike  - have you tried the sequence from BZ  ?
> Jon (cc'd) tested it and found that the original issue wasn't
> reproducible.  But that the commit in question was the source of crashes
> (likely due to needing the fix from this thread).
>
> We can revisit for 4.13 -- but I'll defer to Heinz.
>
> Eric, please share your results from testing the latest 4.12-rc7.
Sure, but I will do it tomorrow, different timezone ;-)

Maybe, Jon can also try my producer on the latest kernel. So, we
can double confirm with each other.

Thanks,
Eric

>
> Mike
>