From: Jonathan Lebon <jlebon@redhat.com>
Date: Fri, 19 Dec 2014 21:16:23 +0000 (-0500)
Subject: tracepoint probes: ensure valid string given
X-Git-Tag: release-2.7~114^2~7
X-Git-Url: https://sourceware.org/git/?a=commitdiff_plain;h=7bed8becd94f6aa5ebfcfdfbc4da8ff44b274454;p=systemtap.git

tracepoint probes: ensure valid string given
---

diff --git a/tapsets.cxx b/tapsets.cxx
index 977bbca14..03a359d7f 100644
--- a/tapsets.cxx
+++ b/tapsets.cxx
@@ -10903,6 +10903,10 @@ struct tracepoint_query : public base_query
         this->system = tracepoint.substr(0, sys_pos);
         this->tracepoint = tracepoint.substr(sys_pos+1);
       }
+
+    // make sure we have something to query (filters out e.g. "" and ":")
+    if (this->tracepoint.empty())
+      throw SEMANTIC_ERROR (_("invalid tracepoint string provided"));
   }
 };