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authorArnaldo Carvalho de Melo <acme@redhat.com>2022-12-16 15:53:53 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2022-12-16 15:53:53 +0300
commit1a931707ad4a46e79d4ecfee56d8f6e8cc8d4f28 (patch)
treec3ed4dafca580360da63eef576b35eb67eb2e5a2 /arch/arm/include/asm/stackprotector.h
parent818448e9cf92e5c6b3c10320372eefcbe4174e4f (diff)
parent84e57d292203a45c96dbcb2e6be9dd80961d981a (diff)
downloadlinux-1a931707ad4a46e79d4ecfee56d8f6e8cc8d4f28.tar.xz
Merge remote-tracking branch 'torvalds/master' into perf/core
To resolve a trivial merge conflict with c302378bc157f6a7 ("libbpf: Hashmap interface update to allow both long and void* keys/values"), where a function present upstream was removed in the perf tools development tree. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'arch/arm/include/asm/stackprotector.h')
-rw-r--r--arch/arm/include/asm/stackprotector.h9
1 files changed, 1 insertions, 8 deletions
diff --git a/arch/arm/include/asm/stackprotector.h b/arch/arm/include/asm/stackprotector.h
index 088d03161be5..0bd4979759f1 100644
--- a/arch/arm/include/asm/stackprotector.h
+++ b/arch/arm/include/asm/stackprotector.h
@@ -15,9 +15,6 @@
#ifndef _ASM_STACKPROTECTOR_H
#define _ASM_STACKPROTECTOR_H 1
-#include <linux/random.h>
-#include <linux/version.h>
-
#include <asm/thread_info.h>
extern unsigned long __stack_chk_guard;
@@ -30,11 +27,7 @@ extern unsigned long __stack_chk_guard;
*/
static __always_inline void boot_init_stack_canary(void)
{
- unsigned long canary;
-
- /* Try to get a semi random initial value. */
- get_random_bytes(&canary, sizeof(canary));
- canary ^= LINUX_VERSION_CODE;
+ unsigned long canary = get_random_canary();
current->stack_canary = canary;
#ifndef CONFIG_STACKPROTECTOR_PER_TASK