Ack /Lennart
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> -----Original Message----- > From: Vu Minh Nguyen [mailto:vu.m.ngu...@dektech.com.au] > Sent: den 8 augusti 2017 11:31 > To: mahesh.va...@oracle.com; Lennart Lund <lennart.l...@ericsson.com>; > Canh Van Truong <canh.v.tru...@dektech.com.au> > Cc: opensaf-devel@lists.sourceforge.net; Vu Minh Nguyen > <vu.m.ngu...@dektech.com.au> > Subject: [PATCH 1/1] log: fix referring to uninitialized variable caused > assertion failed [#2546] > > Log application got coredump due to failed assertion in Log agent. > The problem was caused by referring to uninitialized variable `bool updated`. > > Previously, `updated` variable was initialized when the method > `FetchAndIncreaseRefCounter` or `FetchAndDecreaseRefCounter` was > called. > > The value of `updated` is true, means the reference counter has been > updated, > false otherwise. So, if `updated` variable was unluckily assigned `true` > in default, reference counter could be restored unexpectedly. > --- > src/log/agent/lga_agent.cc | 12 ++++++------ > src/log/agent/lga_mds.cc | 2 +- > 2 files changed, 7 insertions(+), 7 deletions(-) > > diff --git a/src/log/agent/lga_agent.cc b/src/log/agent/lga_agent.cc > index fe94b58..c6ca331 100644 > --- a/src/log/agent/lga_agent.cc > +++ b/src/log/agent/lga_agent.cc > @@ -411,7 +411,7 @@ SaAisErrorT LogAgent::saLogSelectionObjectGet( > SaLogHandleT logHandle, SaSelectionObjectT* selectionObject) { > SaAisErrorT ais_rc = SA_AIS_OK; > LogClient* client = nullptr; > - bool updated; > + bool updated = false; > > TRACE_ENTER(); > > @@ -461,7 +461,7 @@ SaAisErrorT LogAgent::saLogSelectionObjectGet( > SaAisErrorT LogAgent::saLogDispatch(SaLogHandleT logHandle, > SaDispatchFlagsT dispatchFlags) { > LogClient* client = nullptr; > - bool updated; > + bool updated = false; > SaAisErrorT ais_rc; > > TRACE_ENTER(); > @@ -554,7 +554,7 @@ SaAisErrorT LogAgent::SendFinalizeMsg(uint32_t > client_id) { > > SaAisErrorT LogAgent::saLogFinalize(SaLogHandleT logHandle) { > LogClient* client = nullptr; > - bool updated; > + bool updated = false; > bool is_locked = false; > SaAisErrorT ais_rc = SA_AIS_OK; > > @@ -804,7 +804,7 @@ SaAisErrorT LogAgent::saLogStreamOpen_2( > SaLogHeaderTypeT log_header_type = SA_LOG_NTF_HEADER; > bool is_locked = false; > SaConstStringT streamName; > - bool updated; > + bool updated = false; > > TRACE_ENTER(); > > @@ -1114,7 +1114,7 @@ SaAisErrorT > LogAgent::saLogWriteLogAsync(SaLogStreamHandleT logStreamHandle, > char logSvcUsrName[kOsafMaxDnLength] = {0}; > bool is_locked = false; > SaNameT tmpSvcUsrName; > - bool cUpdated, sUpdated; > + bool cUpdated = false, sUpdated = false; > > TRACE_ENTER(); > > @@ -1284,7 +1284,7 @@ SaAisErrorT > LogAgent::saLogStreamClose(SaLogStreamHandleT logStreamHandle) { > SaAisErrorT ais_rc = SA_AIS_OK; > uint32_t mds_rc; > bool is_locked = false; > - bool sUpdated, cUpdated; > + bool sUpdated = false, cUpdated = false; > > TRACE_ENTER(); > > diff --git a/src/log/agent/lga_mds.cc b/src/log/agent/lga_mds.cc > index 78bd7e1..e40adae 100644 > --- a/src/log/agent/lga_mds.cc > +++ b/src/log/agent/lga_mds.cc > @@ -521,7 +521,7 @@ static uint32_t lga_lgs_msg_proc(lgsv_msg_t > *lgsv_msg, > } > > // @client is being deleted in other thread. DO NOT touch this. > - bool updated; > + bool updated = false; > if (client->FetchAndIncreaseRefCounter(&updated) == -1) { > LogAgent::instance().LeaveCriticalSection(); > lga_msg_destroy(lgsv_msg); > -- > 1.9.1 ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Opensaf-devel mailing list Opensaf-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/opensaf-devel
