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Check that tx_relay is initialized before access

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This commit is contained in:
Suhas Daftuar
2019-03-08 15:48:41 -05:00
parent c4aa2ba822
commit e75c39cd42
3 changed files with 138 additions and 121 deletions
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18
src/net.cpp
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@@ -499,9 +499,11 @@ void CNode::copyStats(CNodeStats &stats)
X(nServices);
X(addr);
X(addrBind);
{
if (m_tx_relay != nullptr) {
LOCK(m_tx_relay->cs_filter);
stats.fRelayTxes = m_tx_relay->fRelayTxes;
} else {
stats.fRelayTxes = false;
}
X(nLastSend);
X(nLastRecv);
@@ -528,9 +530,11 @@ void CNode::copyStats(CNodeStats &stats)
}
X(m_legacyWhitelisted);
X(m_permissionFlags);
{
if (m_tx_relay != nullptr) {
LOCK(m_tx_relay->cs_feeFilter);
stats.minFeeFilter = m_tx_relay->minFeeFilter;
} else {
stats.minFeeFilter = 0;
}
// It is common for nodes with good ping times to suddenly become lagged,
@@ -818,11 +822,17 @@ bool CConnman::AttemptToEvictConnection()
continue;
if (node->fDisconnect)
continue;
LOCK(node->m_tx_relay->cs_filter);
bool peer_relay_txes = false;
bool peer_filter_not_null = false;
if (node->m_tx_relay != nullptr) {
LOCK(node->m_tx_relay->cs_filter);
peer_relay_txes = node->m_tx_relay->fRelayTxes;
peer_filter_not_null = node->m_tx_relay->pfilter != nullptr;
}
NodeEvictionCandidate candidate = {node->GetId(), node->nTimeConnected, node->nMinPingUsecTime,
node->nLastBlockTime, node->nLastTXTime,
HasAllDesirableServiceFlags(node->nServices),
node->m_tx_relay->fRelayTxes, node->m_tx_relay->pfilter != nullptr, node->addr, node->nKeyedNetGroup,
peer_relay_txes, peer_filter_not_null, node->addr, node->nKeyedNetGroup,
node->m_prefer_evict};
vEvictionCandidates.push_back(candidate);
}