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-rw-r--r--arch/arm/kernel/return_address.c3
-rw-r--r--arch/arm/kernel/stacktrace.c3
-rw-r--r--arch/arm/kernel/unwind.c7
3 files changed, 10 insertions, 3 deletions
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);