Re: [2.5] memleak in load_elf_binary?

Oleg Drokin (
Fri, 7 Mar 2003 14:36:07 +0300


On Fri, Mar 07, 2003 at 03:25:32AM -0800, Andrew Morton wrote:
> > I am still playing with improving memleak detector thing from smatch project.
> > Seems there is a memleak in fs/binfmt_elf.c::load_elf_binary() in current 2.5
> > If setup_arg_pages() fails (line 638 in my sources) we do return but
> > not freeing possibly allocated elf_interpreter (line 520) and
> > allocated elf_phdata (line 500) areas.
> > Is this looking real? At least it looks real for me (I am trying to get
> > number of false positives way down).
> Yes, you're right. And there's a second one further down.

Ah, hm? Can you be mo precise? I do not see it.

Next return I see is in line 745, and the memory is freed before it.

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