On Mon, 2 Feb 2026 10:38:04 -0500
Steven Rostedt <[email protected]> wrote:
> Can you try this patch to see if it fixes the issue for you?
Ignore that patch, try this one instead. This was fixed for trace_events a
while ago, but the same fix wasn't done for ftrace events.
-- Steve
diff --git a/kernel/trace/trace_export.c b/kernel/trace/trace_export.c
index 1698fc22afa0..5b96ac750049 100644
--- a/kernel/trace/trace_export.c
+++ b/kernel/trace/trace_export.c
@@ -14,6 +14,9 @@
#include "trace_output.h"
+/* The alignment of a type when in a structure */
+#define ALIGN_STRUCTFIELD(type) ((int)(__alignof__(struct {type b;})))
+
/* Stub function for events with triggers */
static int ftrace_event_register(struct trace_event_call *call,
enum trace_reg type, void *data)
@@ -88,7 +91,7 @@ static void __always_unused ____ftrace_check_##name(void)
\
#undef __field_ext
#define __field_ext(_type, _item, _filter_type) { \
.type = #_type, .name = #_item, \
- .size = sizeof(_type), .align = __alignof__(_type), \
+ .size = sizeof(_type), .align = ALIGN_STRUCTFIELD(_type), \
is_signed_type(_type), .filter_type = _filter_type },
