When a new trace buffer is read from the trace file, a new input handler
is duplicated from the top one. The pointer to the guests list should
not be duplicated, as it could lead to a memory corruption on
handler close.
Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@xxxxxxxxx>
---
lib/trace-cmd/trace-input.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/lib/trace-cmd/trace-input.c b/lib/trace-cmd/trace-input.c
index ffe87e8a..e5c8c332 100644
--- a/lib/trace-cmd/trace-input.c
+++ b/lib/trace-cmd/trace-input.c
@@ -3966,6 +3966,7 @@ tracecmd_buffer_instance_handle(struct tracecmd_input *handle, int indx)
new_handle->nr_buffers = 0;
new_handle->buffers = NULL;
new_handle->version = NULL;
+ new_handle->guest = NULL;
new_handle->ref = 1;
if (handle->trace_clock) {
new_handle->trace_clock = strdup(handle->trace_clock);
--
2.31.1
|