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Event pipe: disabled c->read->available checking for SSL. In SSL connections, data can be buffered by the SSL layer, and it is wrong to avoid doing c->recv_chain() if c->read->available is 0 and c->read->pending_eof is set. And tests show that the optimization in question indeed can result in incorrect detection of premature connection close if upstream closes the connection without sending a close notify alert at the same time. Fix is to disable c->read->available optimization for SSL connections.
author Maxim Dounin <mdounin@mdounin.ru>
date Thu, 17 Oct 2019 16:02:03 +0300
parents 1cd63ae46243
children 67c68cd973b8
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<h1>An error occurred.</h1>
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<p><em>Faithfully yours, nginx.</em></p>
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