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| author | Luo Qiu <luoqiu@kylinsec.com.cn> | 2026-04-22 15:45:12 +0800 |
|---|---|---|
| committer | Huacai Chen <chenhuacai@loongson.cn> | 2026-04-22 15:45:12 +0800 |
| commit | a28547576b3b3c95f2261cd5374c1e459f36d9dc (patch) | |
| tree | fa8cb851e697be305095bcf3dfa0e5667ff1a1e5 /arch | |
| parent | 847634955b0810d0b93382a588312f745a5947be (diff) | |
| download | linux-next-a28547576b3b3c95f2261cd5374c1e459f36d9dc.tar.gz linux-next-a28547576b3b3c95f2261cd5374c1e459f36d9dc.zip | |
LoongArch: Use get_random_canary() for stack canary init
Like others, replace the custom stack canary initialization with the
get_random_canary() helper, following the pattern established in commit
622754e84b10 ("stackprotector: actually use get_random_canary()").
Signed-off-by: Luo Qiu <luoqiu@kylinsec.com.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/loongarch/include/asm/stackprotector.h | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/arch/loongarch/include/asm/stackprotector.h b/arch/loongarch/include/asm/stackprotector.h index a1a965751a7b..42f6c3f69115 100644 --- a/arch/loongarch/include/asm/stackprotector.h +++ b/arch/loongarch/include/asm/stackprotector.h @@ -12,9 +12,6 @@ #ifndef _ASM_STACKPROTECTOR_H #define _ASM_STACKPROTECTOR_H -#include <linux/random.h> -#include <linux/version.h> - extern unsigned long __stack_chk_guard; /* @@ -25,11 +22,7 @@ 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; __stack_chk_guard = current->stack_canary; |