Re: [PATCH] x86: Don't randomize stack unless current->personality permits it
From: Chuck Ebbert
Date: Sun Jul 16 2006 - 00:16:55 EST
On Sat, 15 Jul 2006 17:09:45 +0300, Al Boldi wrote:
> Randomization on. Executable runs with 8x blips/hits.
> Randomization off. Executable runs without blips/hits.
> With randomization off, a mere rename causes an 8x-slowdown to occur. Run
> this renamed executable through sh -c ./tstExec, and the slowdown
> disappears. Really weired :)
Does this help at all? I don't have a space heater^W^WPentium IV
to test on.
@@ -890,5 +890,5 @@ unsigned long arch_align_stack(unsigned
sp -= get_random_int() % 8192;
- return sp & ~0xf;
+ return sp & ~0x7f;
"You can't read a newspaper if you can't read." --George W. Bush
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/