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  1. Core Server
  2. SERVER-14549

Race condition can cause replSetUpdatePosition command to be sent with information about nodes that the sync source doesn't yet know about

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      In sync_source_feedback.cpp we first check if a handshake is needed or we need to send a sync progress update upstream. But if after that check but before sending the progress update we receive a handshake from another secondary chaining off of us, then the update we send can include information about this new chained node, but we haven't sent a handshake for that node upstream to our sync source yet.

            Assignee:
            spencer@mongodb.com Spencer Brody (Inactive)
            Reporter:
            spencer@mongodb.com Spencer Brody (Inactive)
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