From: "Toralf Förster" <toralf.foerster@gmx.de>
To: Richard Weinberger <richard.weinberger@gmail.com>
Cc: UML devel <user-mode-linux-devel@lists.sourceforge.net>
Subject: Re: [uml-devel] kernel BUG: while fuzzying a 32 bit Linux user mode guest with trinity
Date: Sat, 17 May 2014 17:24:10 +0200 [thread overview]
Message-ID: <53777F1A.20402@gmx.de> (raw)
In-Reply-To: <CAFLxGvwPFQ1W8nMr01ow2A5yTZb3dEQnQ_MD8mY3z6=SuXmyqg@mail.gmail.com>
On 05/03/2014 09:15 PM, Richard Weinberger wrote:
> On Sat, May 3, 2014 at 6:04 PM, Toralf Förster <toralf.foerster@gmx.de> wrote:
>> I could force a crash using latest kernel tree (v3.15-rc3-159-g6c6ca9c with applied fix3.patch for the mremap syscall) and latest trinity tree (1.1-1349-g18ebf71).
...
>> #9 0x080cc265 in __delete_from_page_cache (page=0xa303520, shadow=0x0) at mm/filemap.c:202
...
> As written two days ago, this seems to be a known issue:
> https://lkml.org/lkml/2014/4/15/577
Just FWIW :
If I exclude the syscall "madvise" from the trinity fuzzer then this
issue can't be reproduced (till now). Allowing that syscall however
crashes the UML usually within less than 1/2 hour.
--
Toralf
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next prev parent reply other threads:[~2014-05-17 15:24 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-03 16:04 [uml-devel] kernel BUG: while fuzzying a 32 bit Linux user mode guest with trinity Toralf Förster
2014-05-03 18:07 ` Toralf Förster
2014-05-03 19:15 ` Richard Weinberger
2014-05-17 15:24 ` Toralf Förster [this message]
2014-05-17 18:22 ` Toralf Förster
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