diff options
| -rw-r--r-- | arch/arm64/kernel/process.c | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c index 7f1628effe6d7..740b31f77adee 100644 --- a/arch/arm64/kernel/process.c +++ b/arch/arm64/kernel/process.c @@ -493,25 +493,3 @@ void arch_setup_new_exec(void) { current->mm->context.flags = is_compat_task() ? MMCF_AARCH32 : 0; } - -#ifdef CONFIG_GCC_PLUGIN_STACKLEAK -void __used stackleak_check_alloca(unsigned long size) -{ - unsigned long stack_left; - unsigned long current_sp = current_stack_pointer; - struct stack_info info; - - BUG_ON(!on_accessible_stack(current, current_sp, &info)); - - stack_left = current_sp - info.low; - - /* - * There's a good chance we're almost out of stack space if this - * is true. Using panic() over BUG() is more likely to give - * reliable debugging output. - */ - if (size >= stack_left) - panic("alloca() over the kernel stack boundary\n"); -} -EXPORT_SYMBOL(stackleak_check_alloca); -#endif |