kcsan: Save instruction pointer for scoped accesses
Save the instruction pointer for scoped accesses, so that it becomes
possible for the reporting code to construct more accurate stack traces
that will show the start of the scope.
Signed-off-by: Marco Elver <[email protected]>
Signed-off-by: Paul E. McKenney <[email protected]>
diff --git a/include/linux/kcsan-checks.h b/include/linux/kcsan-checks.h
index 9fd0ad8..5f59652 100644
--- a/include/linux/kcsan-checks.h
+++ b/include/linux/kcsan-checks.h
@@ -100,9 +100,12 @@ void kcsan_set_access_mask(unsigned long mask);
/* Scoped access information. */
struct kcsan_scoped_access {
struct list_head list;
+ /* Access information. */
const volatile void *ptr;
size_t size;
int type;
+ /* Location where scoped access was set up. */
+ unsigned long ip;
};
/*
* Automatically call kcsan_end_scoped_access() when kcsan_scoped_access goes
