From c5d548379b25705c2061b8c010f78fd242212f65 Mon Sep 17 00:00:00 2001
From: "Tzvetomir Stoyanov (VMware)" <tz.stoyanov@gmail.com>
Date: Tue, 14 Sep 2021 16:12:14 +0300
Subject: [PATCH] trace-cmd library: Fix version string memory leak

The version string is allocated when a VERSION option is processed, but
is never freed. Free it on input handler close.

Link: https://lore.kernel.org/linux-trace-devel/20210914131232.3964615-4-tz.stoyanov@gmail.com

Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
---
 lib/trace-cmd/trace-input.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/trace-cmd/trace-input.c b/lib/trace-cmd/trace-input.c
index 0dbcdbdc..9253bc37 100644
--- a/lib/trace-cmd/trace-input.c
+++ b/lib/trace-cmd/trace-input.c
@@ -3518,6 +3518,7 @@ void tracecmd_close(struct tracecmd_input *handle)
 	free(handle->cpu_data);
 	free(handle->uname);
 	free(handle->trace_clock);
+	free(handle->version);
 	close(handle->fd);
 
 	tracecmd_free_hooks(handle->hooks);
@@ -3959,6 +3960,7 @@ tracecmd_buffer_instance_handle(struct tracecmd_input *handle, int indx)
 	new_handle->cpu_data = NULL;
 	new_handle->nr_buffers = 0;
 	new_handle->buffers = NULL;
+	new_handle->version = NULL;
 	new_handle->ref = 1;
 	if (handle->trace_clock) {
 		new_handle->trace_clock = strdup(handle->trace_clock);
-- 
2.33.0