diff --git a/arch/arm/kernel/return_address.c b/arch/arm/kernel/return_address.c index 00c11579406c..8aac1e10b117 100644 --- a/arch/arm/kernel/return_address.c +++ b/arch/arm/kernel/return_address.c @@ -41,7 +41,8 @@ void *return_address(unsigned int level) frame.fp = (unsigned long)__builtin_frame_address(0); frame.sp = current_stack_pointer; frame.lr = (unsigned long)__builtin_return_address(0); - frame.pc = (unsigned long)return_address; +here: + frame.pc = (unsigned long)&&here; #ifdef CONFIG_KRETPROBES frame.kr_cur = NULL; frame.tsk = current; diff --git a/arch/arm/kernel/stacktrace.c b/arch/arm/kernel/stacktrace.c index 75e905508f27..b5efecb3d730 100644 --- a/arch/arm/kernel/stacktrace.c +++ b/arch/arm/kernel/stacktrace.c @@ -160,7 +160,8 @@ static noinline void __save_stack_trace(struct task_struct *tsk, frame.fp = (unsigned long)__builtin_frame_address(0); frame.sp = current_stack_pointer; frame.lr = (unsigned long)__builtin_return_address(0); - frame.pc = (unsigned long)__save_stack_trace; +here: + frame.pc = (unsigned long)&&here; } #ifdef CONFIG_KRETPROBES frame.kr_cur = NULL; diff --git a/arch/arm/kernel/unwind.c b/arch/arm/kernel/unwind.c index 04ccff9d9793..3cd8892ed52b 100644 --- a/arch/arm/kernel/unwind.c +++ b/arch/arm/kernel/unwind.c @@ -501,7 +501,12 @@ void unwind_backtrace(struct pt_regs *regs, struct task_struct *tsk, frame.fp = (unsigned long)__builtin_frame_address(0); frame.sp = current_stack_pointer; frame.lr = (unsigned long)__builtin_return_address(0); - frame.pc = (unsigned long)unwind_backtrace; + /* We are saving the stack and execution state at this + * point, so we should ensure that frame.pc is within + * this block of code. + */ +here: + frame.pc = (unsigned long)&&here; } else { /* task blocked in __switch_to */ frame.fp = thread_saved_fp(tsk);