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authorIngo Molnar <mingo@elte.hu>2008-02-14 09:44:08 +0100
committerThomas Gleixner <tglx@linutronix.de>2008-05-26 16:15:32 +0200
commit420594296838fdc9a674470d710cda7d1487f9f4 (patch)
tree2596b86ce8dcdfe3679964536efce45014bc6cf2
parent18aa8bb12dcb10adc3d7c9d69714d53667c0ab7f (diff)
downloadop-kernel-dev-420594296838fdc9a674470d710cda7d1487f9f4.zip
op-kernel-dev-420594296838fdc9a674470d710cda7d1487f9f4.tar.gz
x86: fix the stackprotector canary of the boot CPU
Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
-rw-r--r--arch/x86/kernel/process_64.c1
-rw-r--r--include/linux/stackprotector.h4
-rw-r--r--init/main.c6
3 files changed, 11 insertions, 0 deletions
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index 5107cb2..cce47f7 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -16,6 +16,7 @@
#include <stdarg.h>
+#include <linux/stackprotector.h>
#include <linux/cpu.h>
#include <linux/errno.h>
#include <linux/sched.h>
diff --git a/include/linux/stackprotector.h b/include/linux/stackprotector.h
index 422e71a..6f3e54c 100644
--- a/include/linux/stackprotector.h
+++ b/include/linux/stackprotector.h
@@ -1,6 +1,10 @@
#ifndef _LINUX_STACKPROTECTOR_H
#define _LINUX_STACKPROTECTOR_H 1
+#include <linux/compiler.h>
+#include <linux/sched.h>
+#include <linux/random.h>
+
#ifdef CONFIG_CC_STACKPROTECTOR
# include <asm/stackprotector.h>
#else
diff --git a/init/main.c b/init/main.c
index a84322c..b44e4eb 100644
--- a/init/main.c
+++ b/init/main.c
@@ -546,6 +546,12 @@ asmlinkage void __init start_kernel(void)
unwind_init();
lockdep_init();
debug_objects_early_init();
+
+ /*
+ * Set up the the initial canary ASAP:
+ */
+ boot_init_stack_canary();
+
cgroup_init_early();
local_irq_disable();
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