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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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      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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