MDEV-28588 SIGSEGV in __memmove_avx_unaligned_erms, strmake_root

Author: abarkov

mysql-test/suite/compat/oracle/r/sp.result

@@ -2560,3 +2560,21 @@ idx
 idx
 1
 DROP PROCEDURE p1;
+#
+# MDEV-28588 SIGSEGV in __memmove_avx_unaligned_erms, strmake_root
+#
+SET sql_mode=ORACLE;
+BEGIN END;
+SET sql_mode=ORACLE;
+CREATE EVENT ev ON SCHEDULE AT CURRENT_TIMESTAMP + INTERVAL 1 HOUR DO BEGIN END;
+Warnings:
+Warning	1105	Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it.
+SELECT EVENT_DEFINITION FROM INFORMATION_SCHEMA.EVENTS WHERE EVENT_SCHEMA='test' AND EVENT_NAME='ev';
+EVENT_DEFINITION	BEGIN END
+DROP EVENT ev;
+CREATE TABLE t1 (a INT);
+CREATE TRIGGER tr AFTER INSERT ON t1 FOR EACH ROW BEGIN END;
+SELECT ACTION_STATEMENT FROM INFORMATION_SCHEMA.TRIGGERS WHERE TRIGGER_SCHEMA='test' AND TRIGGER_NAME='tr';
+ACTION_STATEMENT	BEGIN END
+DROP TRIGGER tr;
+DROP TABLE t1;

mysql-test/suite/compat/oracle/t/sp.test

@@ -2397,3 +2397,26 @@ $$
 DELIMITER ;$$
 CALL p1();
 DROP PROCEDURE p1;
+
+
+--echo #
+--echo # MDEV-28588 SIGSEGV in __memmove_avx_unaligned_erms, strmake_root
+--echo #
+
+SET sql_mode=ORACLE;
+BEGIN END;
+
+SET sql_mode=ORACLE;
+CREATE EVENT ev ON SCHEDULE AT CURRENT_TIMESTAMP + INTERVAL 1 HOUR DO BEGIN END;
+--vertical_results
+SELECT EVENT_DEFINITION FROM INFORMATION_SCHEMA.EVENTS WHERE EVENT_SCHEMA='test' AND EVENT_NAME='ev';
+--horizontal_results
+DROP EVENT ev;
+
+CREATE TABLE t1 (a INT);
+CREATE TRIGGER tr AFTER INSERT ON t1 FOR EACH ROW BEGIN END;
+--vertical_results
+SELECT ACTION_STATEMENT FROM INFORMATION_SCHEMA.TRIGGERS WHERE TRIGGER_SCHEMA='test' AND TRIGGER_NAME='tr';
+--horizontal_results
+DROP TRIGGER tr;
+DROP TABLE t1;

sql/sql_lex.cc

@@ -6674,7 +6674,7 @@ bool LEX::maybe_start_compound_statement(THD *thd)
  if (!make_sp_head(thd, NULL, &sp_handler_procedure))
  return true;
  sphead->set_suid(SP_IS_NOT_SUID);
- sphead->set_body_start(thd, thd->m_parser_state->m_lip.get_cpp_ptr());
+ sphead->set_body_start(thd, thd->m_parser_state->m_lip.get_cpp_tok_start());
  }
  return false;
 }