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From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Ingo Molnar <mingo@kernel.org>
Cc: linux-kernel@vger.kernel.org,
	Masami Hiramatsu <mhiramat@kernel.org>,
	Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com>,
	Brendan Gregg <brendan.d.gregg@gmail.com>,
	Hemant Kumar <hemant@linux.vnet.ibm.com>,
	Namhyung Kim <namhyung@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Arnaldo Carvalho de Melo <acme@redhat.com>
Subject: [PATCH 03/19] perf probe: Fix to add NULL check for strndup
Date: Wed, 15 Jun 2016 15:13:12 -0300	[thread overview]
Message-ID: <1466014408-12086-4-git-send-email-acme@kernel.org> (raw)
In-Reply-To: <1466014408-12086-1-git-send-email-acme@kernel.org>

From: Masami Hiramatsu <mhiramat@kernel.org>

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>
---
 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

  parent reply	other threads:[~2016-06-15 18:15 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-15 18:13 [GIT PULL 00/19] perf/core improvements and fixes Arnaldo Carvalho de Melo
2016-06-15 18:13 ` [PATCH 01/19] perf config: Handle NULL at perf_config_set__delete() Arnaldo Carvalho de Melo
2016-06-15 18:13 ` [PATCH 02/19] perf tools: Fix rm_rf() to handle non-regular files correctly Arnaldo Carvalho de Melo
2016-06-15 18:13 ` Arnaldo Carvalho de Melo [this message]
2016-06-15 18:13 ` [PATCH 04/19] perf buildid: Rename and export build_id_cache__cachedir() Arnaldo Carvalho de Melo
2016-06-15 18:13 ` [PATCH 05/19] perf probe: Add perf_probe_event__copy() Arnaldo Carvalho de Melo
2016-06-15 18:13 ` [PATCH 06/19] perf probe: Uncomment and export synthesize_perf_probe_point() Arnaldo Carvalho de Melo
2016-06-15 18:13 ` [PATCH 07/19] perf unwind: Fix compile error for static cross build Arnaldo Carvalho de Melo
2016-06-15 18:13 ` [PATCH 08/19] perf mem: Add --ldlat option Arnaldo Carvalho de Melo
2016-06-15 18:13 ` [PATCH 09/19] perf tools: Fix Data Object sort entry width index Arnaldo Carvalho de Melo
2016-06-15 18:13 ` [PATCH 10/19] perf tui: Separate hierarchy and standard headers output Arnaldo Carvalho de Melo
2016-06-15 18:13 ` [PATCH 11/19] perf stdio: Separate " Arnaldo Carvalho de Melo
2016-06-15 18:13 ` [PATCH 12/19] perf stdio: Separate hierarchy " Arnaldo Carvalho de Melo
2016-06-15 18:13 ` [PATCH 13/19] perf stdio: Separate standard " Arnaldo Carvalho de Melo
2016-06-15 18:13 ` [PATCH 14/19] perf stdio: Do not pass hists in hist_entry__fprintf Arnaldo Carvalho de Melo
2016-06-15 18:13 ` [PATCH 15/19] perf stdio: Add use_callchain parameter to hists__fprintf Arnaldo Carvalho de Melo
2016-06-15 18:13 ` [PATCH 16/19] perf hists: Replace perf_evsel arg perf_hpp_fmt's header callback Arnaldo Carvalho de Melo
2016-06-15 18:13 ` [PATCH 17/19] perf hists: Replace perf_evsel arg perf_hpp_fmt's width callback Arnaldo Carvalho de Melo
2016-06-15 18:13 ` [PATCH 18/19] perf probe: Introduce perf_cache interfaces Arnaldo Carvalho de Melo
2016-06-15 18:13 ` [PATCH 19/19] perf probe: Add --cache option to cache the probe definitions Arnaldo Carvalho de Melo
2016-06-16  6:29 ` [GIT PULL 00/19] perf/core improvements and fixes Jiri Olsa
2016-06-16 19:54   ` Arnaldo Carvalho de Melo
2016-06-16  8:29 ` Ingo Molnar

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