X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/d26ffc64f583ab2d29df48f13518685602bc8832..d9a64523371fa019c4575bb400cbbc3a50ac9903:/libkern/os/trace_internal.h

diff --git a/libkern/os/trace_internal.h b/libkern/os/trace_internal.h
index 1ee1c984e..dc40b5fa0 100644
--- a/libkern/os/trace_internal.h
+++ b/libkern/os/trace_internal.h
@@ -26,6 +26,7 @@
 
 #include <os/log.h>
 #include <uuid/uuid.h>
+#include <kern/assert.h>
 #include <firehose/firehose_types_private.h>
 
 __BEGIN_DECLS
@@ -34,6 +35,7 @@ OS_ALWAYS_INLINE
 inline uint32_t
 _os_trace_offset(const void *dso, const void *addr, _firehose_tracepoint_flags_activity_t flags __unused)
 {
+    assert((uintptr_t)addr >= (uintptr_t)dso);
     return (uint32_t) ((uintptr_t)addr - (uintptr_t)dso);
 }