From: Sasha Levin <sasha.levin@oracle.com>
To: Jiri Kosina <jkosina@suse.cz>
Cc: Vlastimil Babka <vbabka@suse.cz>,
Andrew Morton <akpm@linux-foundation.org>,
joern@logfs.org, mgorman@suse.de,
Michel Lespinasse <walken@google.com>,
riel@redhat.com, LKML <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: kernel BUG in munlock_vma_pages_range
Date: Wed, 11 Dec 2013 10:55:39 -0500 [thread overview]
Message-ID: <52A88AFB.7000204@oracle.com> (raw)
In-Reply-To: <alpine.LRH.2.00.1312092215340.1515@twin.jikos.cz>
On 12/09/2013 04:16 PM, Jiri Kosina wrote:
> On Mon, 9 Dec 2013, Sasha Levin wrote:
>
>> Not really, the fuzzer hit it once and I've been unable to trigger it
>> again.
>
> If you are ever able to trigger it again, I think having crashdump
> available would be very helpful here, to see how exactly does the VMA/THP
> layout look like at the time of crash.
>
> Any chance you run your fuzzing with crashkernel configured for a while?
>
Been trying to, can't get crashkernel to interact nicely with my KVM tools guest.
Will keep trying.
Thanks,
Sasha
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prev parent reply other threads:[~2013-12-11 16:04 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-08 1:52 kernel BUG in munlock_vma_pages_range Sasha Levin
2013-12-09 9:34 ` Vlastimil Babka
2013-12-09 17:05 ` Sasha Levin
2013-12-09 17:12 ` Vlastimil Babka
2013-12-09 17:15 ` Sasha Levin
2013-12-09 20:26 ` Sasha Levin
2013-12-11 22:59 ` Vlastimil Babka
2013-12-12 3:16 ` Sasha Levin
2013-12-12 5:03 ` Bob Liu
2013-12-12 12:41 ` Vlastimil Babka
2013-12-12 21:05 ` Sasha Levin
2013-12-13 8:49 ` Bob Liu
2013-12-13 9:08 ` Vlastimil Babka
2013-12-15 19:49 ` Sasha Levin
2013-12-16 10:14 ` [PATCH 0/3] Fix bugs in munlock Vlastimil Babka
2013-12-16 10:14 ` [PATCH 1/3] mm: munlock: fix a bug where THP tail page is encountered Vlastimil Babka
2013-12-17 1:26 ` Bob Liu
2013-12-17 13:00 ` Vlastimil Babka
2013-12-18 0:48 ` Bob Liu
2014-03-14 23:55 ` Sasha Levin
2014-03-15 3:06 ` Sasha Levin
2014-03-17 12:38 ` Vlastimil Babka
2014-03-17 21:08 ` Sasha Levin
2014-03-17 22:20 ` Vlastimil Babka
2014-03-17 22:58 ` Sasha Levin
2014-03-17 23:30 ` Vlastimil Babka
2014-03-18 10:41 ` Vlastimil Babka
2013-12-16 10:14 ` [PATCH 2/3] mm: munlock: fix deadlock in __munlock_pagevec() Vlastimil Babka
2013-12-17 0:31 ` Andrew Morton
2013-12-17 13:08 ` Vlastimil Babka
2013-12-16 10:14 ` [RFC PATCH 3/3] mm: munlock: fix potential race with THP page split Vlastimil Babka
2014-03-21 1:53 ` kernel BUG in munlock_vma_pages_range Sasha Levin
2014-03-21 9:02 ` Vlastimil Babka
2013-12-09 21:16 ` Jiri Kosina
2013-12-11 15:55 ` Sasha Levin [this message]
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