Stack randomization needs to be conditional on the personality allowing it.
Signed-off-by: Jeff Dike <[EMAIL PROTECTED]>
Index: linux-2.6.17/arch/um/kernel/process_kern.c
===================================================================
--- linux-2.6.17.orig/arch/um/kernel/process_kern.c 2006-06-17
21:49:35.000000000 -0400
+++ linux-2.6.17/arch/um/kernel/process_kern.c 2006-07-13 15:05:02.000000000
-0400
@@ -23,6 +23,7 @@
#include "linux/proc_fs.h"
#include "linux/ptrace.h"
#include "linux/random.h"
+#include "linux/personality.h"
#include "asm/unistd.h"
#include "asm/mman.h"
#include "asm/segment.h"
@@ -476,7 +477,7 @@ int singlestepping(void * t)
#ifndef arch_align_stack
unsigned long arch_align_stack(unsigned long sp)
{
- if (randomize_va_space)
+ if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)
sp -= get_random_int() % 8192;
return sp & ~0xf;
}
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