From: Masami Hiramatsu <[email protected]> Fix to add a NULL check for strndup when parsing probe trace command.
Signed-off-by: Masami Hiramatsu <[email protected]> Cc: Ananth N Mavinakayanahalli <[email protected]> Cc: Brendan Gregg <[email protected]> Cc: Hemant Kumar <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Peter Zijlstra <[email protected]> Link: http://lkml.kernel.org/r/20160608092920.3116.63319.stgit@devbox Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- tools/perf/util/probe-event.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index 74401a20106d..7ae3dd10f147 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -1603,6 +1603,10 @@ int parse_probe_trace_command(const char *cmd, struct probe_trace_event *tev) p = strchr(argv[1], ':'); if (p) { tp->module = strndup(argv[1], p - argv[1]); + if (!tp->module) { + ret = -ENOMEM; + goto out; + } p++; } else p = argv[1]; -- 2.5.5
