QUIC: prevent deleted stream frame retransmissions.
Since a2a513b93cae, stream frames no longer need to be retransmitted after it was deleted. The frames which were retransmitted before, could be stream data frames sent prior to a RESET_STREAM. Such retransmissions are explicitly prohibited by RFC 9000, Section 19.4.
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@ -631,13 +631,12 @@ ngx_quic_resend_frames(ngx_connection_t *c, ngx_quic_send_ctx_t *ctx)
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case NGX_QUIC_FT_STREAM:
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qs = ngx_quic_find_stream(&qc->streams.tree, f->u.stream.stream_id);
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if (qs) {
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if (qs->send_state == NGX_QUIC_STREAM_SEND_RESET_SENT
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|| qs->send_state == NGX_QUIC_STREAM_SEND_RESET_RECVD)
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{
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ngx_quic_free_frame(c, f);
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break;
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}
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if (qs == NULL
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|| qs->send_state == NGX_QUIC_STREAM_SEND_RESET_SENT
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|| qs->send_state == NGX_QUIC_STREAM_SEND_RESET_RECVD)
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{
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ngx_quic_free_frame(c, f);
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break;
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}
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/* fall through */
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