Re: a.out issue

From: Kurt Wall
Date: Thu Nov 11 2004 - 19:11:03 EST

On Thu, Nov 11, 2004 at 11:09:07PM +0100, Florian Heinz took 20 lines to write:
> Hi ppl,
> there seems to be a bug related to a.out-binfmt.
> try executing this binary:
> perl -e'print"\x07\x01".("\x00"x13)."\xc0".("\x00"x16)'>eout
> (it may be neccessary to turn memory overcommit on before)
> This should result in a kernel-oops.
> Doing this in a loop will eat fd's and memory.
> seems like find_vma_prepare does not what insert_vm_struct expects when
> the whole addresspace is occupied.

No oops over here, with overcommit set to 0, 1, or 2.
$ uname -a
Linux luther 2.6.9 #12 Sun Oct 31 07:43:57 EST 2004 i686 unknown unknown

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