(trafficserver) branch master updated: qpack: Don't block decoding if Required Insert Count is zero (#11070)

[maskit]

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maskit pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/trafficserver.git


The following commit(s) were added to refs/heads/master by this push:
     new 4274bc0328 qpack: Don't block decoding if Required Insert Count is 
zero (#11070)
4274bc0328 is described below

commit 4274bc0328b78945cf2405b0745d5d9355b82bbc
Author: Masakazu Kitajo <mas...@apache.org>
AuthorDate: Mon Feb 12 16:08:24 2024 -0700

    qpack: Don't block decoding if Required Insert Count is zero (#11070)
---
 src/proxy/http3/QPACK.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/proxy/http3/QPACK.cc b/src/proxy/http3/QPACK.cc
index dc32d7a171..dd2c802a68 100644
--- a/src/proxy/http3/QPACK.cc
+++ b/src/proxy/http3/QPACK.cc
@@ -267,7 +267,7 @@ QPACK::decode(uint64_t stream_id, const uint8_t 
*header_block, size_t header_blo
   }
   uint16_t largest_reference = tmp;
 
-  if (this->_dynamic_table.is_empty() || this->_dynamic_table.largest_index() 
< largest_reference) {
+  if (largest_reference != 0 && (this->_dynamic_table.is_empty() || 
this->_dynamic_table.largest_index() < largest_reference)) {
     // Blocked
     if (this->_add_to_blocked_list(
           new DecodeRequest(largest_reference, thread, cont, stream_id, 
header_block, header_block_len, hdr))) {