From: Greg Kroah-Hartman <[email protected]>
From: Ian Rogers <[email protected]>
commit 137a5258939aca56558f3a23eb229b9c4b293917 upstream.
Issue detected by address sanitizer.
Fixes: cd4ceb63438e9e28 ("perf util: Save pid-cmdline mapping into tracing
header")
Signed-off-by: Ian Rogers <[email protected]>
Acked-by: Namhyung Kim <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephane Eranian <[email protected]>
Link: http://lore.kernel.org/lkml/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
tools/perf/util/trace-event-read.c | 1 +
1 file changed, 1 insertion(+)
--- a/tools/perf/util/trace-event-read.c
+++ b/tools/perf/util/trace-event-read.c
@@ -361,6 +361,7 @@ static int read_saved_cmdline(struct tep
pr_debug("error reading saved cmdlines\n");
goto out;
}
+ buf[ret] = '\0';
parse_saved_cmdline(pevent, buf, size);
ret = 0;
