On Mon, 22 Oct 2012 10:15:43 +0200
Eric Dumazet <eric.dumazet@xxxxxxxxx> wrote:
> On Mon, 2012-10-22 at 04:58 +0600, Mike Kazantsev wrote:
>
> > I've grepped for "/org/free" specifically and sure enough, same scraps
> > of data seem to be in some of the (varied) dumps there.
>
> Content is not meaningful, as we dont initialize it.
> So you see previous content.
>
> Could you try the following :
>
...
With this patch on top of v3.7-rc2 (w/o patches from your previous
mail), leak seem to be still present.
If I understand correctly, WARN_ON_ONCE should've produced some output
in dmesg when the conditions passed to it were met.
They don't appear to be, as the only output in dmesg during
ipsec-related modules loading (I think openswan probes them manually)
is still "AVX instructions are not detected" (can be seen in tty on
boot) and the only post-boot dmesg output (incl. during leaks
happening) is from kmemleak ("kmemleak: ... new suspected memory
leaks").
Looks like kmem_cache_zalloc got rid of the content, though traces
still report it as "kmem_cache_alloc", but I guess it's because of its
"inline" nature.
--
Mike Kazantsev // fraggod.net
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