diff --git a/docker/test/stateless/stress_tests.lib b/docker/test/stateless/stress_tests.lib
index 6e1834d6cde..7cd3f704be6 100644
--- a/docker/test/stateless/stress_tests.lib
+++ b/docker/test/stateless/stress_tests.lib
@@ -214,8 +214,7 @@ function check_server_start()
 function check_logs_for_critical_errors()
 {
     # Sanitizer asserts
-    rg -Fa "==================" /var/log/clickhouse-server/stderr.log | rg -v "in query:" >> /test_output/tmp
-    rg -Fa "WARNING" /var/log/clickhouse-server/stderr.log >> /test_output/tmp
+    sed -n '/==================/,/^$/p' /var/log/clickhouse-server/stderr.log | rg -v "Logging" | rg -v "in query:" >> /test_output/tmp
     rg -Fav -e "ASan doesn't fully support makecontext/swapcontext functions" -e "DB::Exception" /test_output/tmp > /dev/null \
         && echo -e "Sanitizer assert (in stderr.log)$FAIL$(head_escaped /test_output/tmp)" >> /test_output/test_results.tsv \
         || echo -e "No sanitizer asserts$OK" >> /test_output/test_results.tsv