1 files changed, 2 insertions, 1 deletions

diff --git a/tools/perf/util/trace-event-read.c b/tools/perf/util/trace-event-read.c
index 342dfdd43f87..1744422cafcb 100644
--- a/tools/perf/util/trace-event-read.c
+++ b/tools/perf/util/trace-event-read.c
@@ -145,8 +145,9 @@ static void read_proc_kallsyms(void)
         if (!size)
                 return;
 
-        buf = malloc_or_die(size);
+        buf = malloc_or_die(size + 1);
         read_or_die(buf, size);
+        buf[size] = '\0';
 
         parse_proc_kallsyms(buf, size);