Commit 844faa4b authored Jun 08, 2016 by Masami Hiramatsu Committed by Arnaldo Carvalho de Melo Jun 14, 2016

perf probe: Fix to add NULL check for strndup



Fix to add a NULL check for strndup when parsing probe trace command.

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com>
Cc: Brendan Gregg <brendan.d.gregg@gmail.com>
Cc: Hemant Kumar <hemant@linux.vnet.ibm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20160608092920.3116.63319.stgit@devbox


Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

parent 2a1ef032

tools/perf/util/probe-event.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -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];