zizhong commented on a change in pull request #6747:
URL: https://github.com/apache/trafficserver/pull/6747#discussion_r442626552
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File path: proxy/http2/HPACK.cc
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@@ -430,7 +438,13 @@ HpackDynamicTable::_evict_overflowed_entries()
(*h)->value_get(&value_len);
this->_current_size -= ADDITIONAL_OCTETS + name_len + value_len;
- this->_mhdr->field_delete(*h, false);
+
+ if (this->_mhdr_old && this->_mhdr_old->fields_count() != 0) {
+ this->_mhdr_old->field_delete(*h, false);
+ } else {
+ this->_mhdr->field_delete(*h, false);
+ }
+
Review comment:
@masaori335 Could you elaborate on
> we add a new entry to the _mhdr and remove from the _mhdr_old
I didn't find any reference to _mhdr_old in
`HpackDynamicTable::add_header_field`. Could you help me to understand what I
missed? Thanks!
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