From: Tzvetomir Stoyanov <[email protected]> This patch adds a sanity check to is_timestamp_in_us() input parameter trace_clock. It avoids a potential segfault in case trace_clock is NULL.
Reported-by: Slavomir Kaslev <[email protected]> Signed-off-by: Tzvetomir Stoyanov <[email protected]> Signed-off-by: Steven Rostedt (VMware) <[email protected]> --- tools/lib/traceevent/event-parse.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c index 892cf032a096..0923e331441e 100644 --- a/tools/lib/traceevent/event-parse.c +++ b/tools/lib/traceevent/event-parse.c @@ -5451,7 +5451,7 @@ void tep_event_info(struct trace_seq *s, struct tep_event *event, static bool is_timestamp_in_us(char *trace_clock, bool use_trace_clock) { - if (!use_trace_clock) + if (!trace_clock || !use_trace_clock) return true; if (!strcmp(trace_clock, "local") || !strcmp(trace_clock, "global") -- 2.19.1
