From: bert hubert <bert.hubert@netherlabs.nl>
Date: Wed, 17 Aug 2016 09:12:55 +0000 (+0200)
Subject: malloctrace would crash if you asked it for more topAllocators than there were
X-Git-Tag: rec-4.0.2~25
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=1fa69203a49eb0d51913e23de656960d1c390e55;p=thirdparty%2Fpdns.git

malloctrace would crash if you asked it for more topAllocators than there were
---

diff --git a/pdns/malloctrace.cc b/pdns/malloctrace.cc
index 750782c78a..e58add9b62 100644
--- a/pdns/malloctrace.cc
+++ b/pdns/malloctrace.cc
@@ -90,7 +90,9 @@ MallocTracer::allocators_t MallocTracer::topAllocators(int num)
 	  const allocators_t::value_type& b) {
 	 return a.first.count < b.first.count;
        });
-  if(num > 0)
+  if((unsigned int)num > ret.size())
+    ret.clear();
+  else if(num > 0)
     ret.erase(ret.begin(), ret.begin() + (ret.size() - num));
   l_active=false;
   return ret;