From: Philippe Proulx <eeppeliteloop@gmail.com>
Date: Mon, 19 Jun 2017 23:35:43 +0000 (-0400)
Subject: visitor-generate-ir.c: validate clock class frequency in visitor
X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=commitdiff_plain;h=239744fcedfd4dd828b755154aedae0e3a05932e

visitor-generate-ir.c: validate clock class frequency in visitor

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
---

diff --git a/plugins/ctf/common/metadata/visitor-generate-ir.c b/plugins/ctf/common/metadata/visitor-generate-ir.c
index adb1e9c7..af63595c 100644
--- a/plugins/ctf/common/metadata/visitor-generate-ir.c
+++ b/plugins/ctf/common/metadata/visitor-generate-ir.c
@@ -4789,6 +4789,14 @@ int visit_clock_decl_entry(struct ctx *ctx, struct ctf_node *entry_node,
 			goto error;
 		}
 
+		if (freq == -1ULL || freq == 0) {
+			_BT_LOGE_NODE(entry_node,
+				"Invalid clock class frequency: freq=%" PRIu64,
+				freq);
+			ret = -EINVAL;
+			goto error;
+		}
+
 		ret = bt_ctf_clock_class_set_frequency(clock, freq);
 		if (ret) {
 			_BT_LOGE_NODE(entry_node,