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Fix super-unlikely race introduced in 236618061a

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Once the CNode has been added to vNodes, it is possible that it is
disconnected+deleted in the socket handler thread. However, after
that we now call InitializeNode, which accesses the pnode.

helgrind managed to tickle this case (somehow), but I suspect it
requires in immensely braindead scheduler.
This commit is contained in:
Matt Corallo 2017-02-02 13:51:57 -05:00
parent 1c2edd9f67
commit 885cfdd217
1 changed files with 1 additions and 1 deletions
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2
src/net.cpp
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@ -1833,11 +1833,11 @@ bool CConnman::OpenNetworkConnection(const CAddress& addrConnect, bool fCountFai
if (fAddnode) if (fAddnode)
pnode->fAddnode = true; pnode->fAddnode = true;
GetNodeSignals().InitializeNode(pnode, *this);
{ {
LOCK(cs_vNodes); LOCK(cs_vNodes);
vNodes.push_back(pnode); vNodes.push_back(pnode);
} }
GetNodeSignals().InitializeNode(pnode, *this);
return true; return true;
} }