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

[Zdenek Kabelac]

Dne 26.6.2017 v 12:55 Eric Ren napsal(a):
> Hi Zdenek,
> 
> 
> On 06/26/2017 05:46 PM, Zdenek Kabelac wrote:
>> Dne 26.6.2017 v 11:08 Eric Ren napsal(a):
>>>
>> [... snip...]
>>
>> Hi
>>
>> Which kernel version is this ?
>>
>> I'd thought we've already fixed this BZ for old mirrors:
>> https://bugzilla.redhat.com/show_bug.cgi?id=1382382
>>
>> There similar BZ for md-raid based mirrors (--type raid1)
>> https://bugzilla.redhat.com/show_bug.cgi?id=1416099
> My base kernel version is 4.4.68, but with this 2 latest fixes applied:
> 
> """
> Revert "dm mirror: use all available legs on multiple failures"

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  ?

Zdenek