$ git diff 3846890 289108f

diff --git a/src/marias3.c b/src/marias3.c

index 74d7233..7a07bdd 100644

--- a/src/marias3.c

+++ b/src/marias3.c

@@ -617,7 +617,7 @@ uint8_t ms3_set_option(ms3_st *ms3, ms3_set_option_t option, void *value)

         return MS3_ERR_PARAMETER;

       }

-      ms3->list_version = protocol_version;

+      ms3->protocol_version = protocol_version;

       break;

     }

docker run -it --rm quay.io/mariadb-foundation/bb-worker:ubuntu20.04 bash

clone MariaDB Server -> branch==10.5

sh -c 'cmake . -DCMAKE_BUILD_TYPE=Debug -DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_C_COMPILER=gcc -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER=g++ -DPLUGIN_TOKUDB=NO -DPLUGIN_MROONGA=NO -DPLUGIN_SPIDER=YES -DPLUGIN_OQGRAPH=NO -DPLUGIN_PERFSCHEMA=YES -DPLUGIN_SPHINX=NO -DWITH_DBUG_TRACE=OFF -DEXTRA_DEBUG=ON && make -j24'

export S3_PROTOCOL_VERSION=Original

export S3_BUCKET=amd64-ubuntu-2004-35971

export S3_HOST_NAME=minio.mariadb.org

export S3_PORT=443

export S3_USE_HTTP=OFF

export S3_ACCESS_KEY=#access_key#

export S3_SECRET_KEY=#secret_key#

sh -c '

           cd mysql-test &&

           exec perl mysql-test-run.pl --verbose-restart --force --retry=3 --max-save-core=2 --max-save-datadir=10 --parallel=$(expr 7 \* 2) --suite=s3;

           '

Every test yields "Couldn't resolve host name".

CURRENT_TEST: s3.basic

mysqltest: At line 18: query 'alter table t1 engine=s3' failed: 3: Got error from put_object(s3_test_ad103c5bb88311efa5520242ac110002/t1/frm): 5 Couldn't resolve host name