1 files changed, 3 insertions, 1 deletions

diff --git a/tools/perf/util/trace-event-read.c b/tools/perf/util/trace-event-read.c
index 27420159bf69..8a9a677f7576 100644
--- a/tools/perf/util/trace-event-read.c
+++ b/tools/perf/util/trace-event-read.c
@@ -192,7 +192,7 @@ static int read_ftrace_printk(struct pevent *pevent)
         if (!size)
                 return 0;
 
-        buf = malloc(size);
+        buf = malloc(size + 1);
         if (buf == NULL)
                 return -1;
 
@@ -201,6 +201,8 @@ static int read_ftrace_printk(struct pevent *pevent)
                 return -1;
         }
 
+        buf[size] = '\0';
+
         parse_ftrace_printk(pevent, buf, size);
 
         free(buf);