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Fix data race in setStreamAssignment by ensuring JS lock held

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Signed-off-by: Neil Twigg <neil@nats.io>
This commit is contained in:
Neil Twigg
2023-09-19 16:50:48 +01:00
parent 3dc0627811
commit 887b92bfe2
1 changed files with 3 additions and 1 deletions
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4
server/stream.go
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@@ -747,6 +747,7 @@ func (mset *stream) streamAssignment() *streamAssignment {
func (mset *stream) setStreamAssignment(sa *streamAssignment) {
var node RaftNode
var peers []string
mset.mu.RLock()
js := mset.js
@@ -756,6 +757,7 @@ func (mset *stream) setStreamAssignment(sa *streamAssignment) {
js.mu.RLock()
if sa.Group != nil {
node = sa.Group.node
peers = sa.Group.Peers
}
js.mu.RUnlock()
}
@@ -771,7 +773,7 @@ func (mset *stream) setStreamAssignment(sa *streamAssignment) {
// Set our node.
mset.node = node
if mset.node != nil {
mset.node.UpdateKnownPeers(sa.Group.Peers)
mset.node.UpdateKnownPeers(peers)
}
// Setup our info sub here as well for all stream members. This is now by design.