[Bro-Dev] #534: Leak in DNS resolver
Bro Tracker
bro at tracker.bro-ids.org
Wed Aug 3 17:25:28 PDT 2011
#534: Leak in DNS resolver
------------------------+---------------------
Reporter: robin | Type: Problem
Status: new | Priority: Normal
Milestone: Bro1.6 | Component: Bro
Version: git/master | Keywords: BETA
------------------------+---------------------
I saw the following reported by perftools with the small trace in the
public testsuite:
{{{
Welcome to pprof! For help, type 'help'.
(pprof) top
Total: 14070 objects
4512 32.1% 32.1% 4512 32.1% BroObj::SetLocationInfo
Obj.cc:173
4500 32.0% 64.1% 8975 63.8% ListExpr::ListExpr Expr.cc:4839
4475 31.8% 95.9% 4475 31.8% safe_malloc util.h:281
166 1.2% 97.0% 330 2.3% StringVal::StringVal Val.cc:1372
164 1.2% 98.2% 164 1.2% BroString::Set BroString.cc:147
97 0.7% 98.9% 291 2.1% LookupHostCallback::Timeout
bro.bif:2890
69 0.5% 99.4% 205 1.5% LookupHostCallback::Resolved
bro.bif:2876
45 0.3% 99.7% 45 0.3% DNS_Mgr::IssueAsyncRequests
DNS_Mgr.cc:955
42 0.3% 100.0% 42 0.3% DNS_Mgr::AddResult DNS_Mgr.cc:695
0 0.0% 100.0% 414 2.9% EventHandler::Call
EventHandler.cc:73
0 0.0% 100.0% 449 3.2% Trigger::EvaluatePending
Trigger.cc:281
}}}
Seth has been running into DNS resolver leaks as well, problem the
same one. Haven't been able to track this down yet, and unfortunately
perftools doesn't report the leaks consistnetly.
--
Ticket URL: <http://tracker.bro-ids.org/bro/ticket/534>
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