Re: oops in pgtable_trans_huge_withdraw

[Sasha Levin]

On 12/11/2013 10:40 AM, Vlastimil Babka wrote:
> On 12/06/2013 10:02 PM, Dave Jones wrote:
> > I've spent a few days enhancing trinity's use of mmap's, trying to make it
> > reproduce https://lkml.org/lkml/2013/12/4/499
>
> FYI, I managed to reproduce that using trinity today,
> trinity was from git at commit e8912cc which is from Dec 09 so I guess your enhancements were
> already there?
> kernel was linux-next-20131209
> I was running trinity -c mmap -c munmap -c mremap -c remap_file_pages -c mlock -c munlock
>
> Now I'm running with Kirill's patch, will post results later.
>
> My goal was to reproduce Sasha Levin's BUG in munlock_vma_pages_range
> https://lkml.org/lkml/2013/12/7/130
>
> Perhaps it could be related as well.
> Sasha, do you know at which commit your trinity clone was at?

Didn't think those two were related. I've hit this one when I've started fuzzing too, but
Kirill's patch solved it - so I've mostly ignored it.

Trinity is usually pulled and updated before testing, so it's at whatever the latest Dave
has pushed.


Thanks,
Sasha

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