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MDEV-31881 ASAN: unknown-crash in check_ulonglong (sql/sql_analyse.cc) on SELECT ... FROM ... PROCEDURE ANALYSE()

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Fixing a wrong condition which made the code read 1 byte behind the buffer.
This commit is contained in:
Alexander Barkov
2024-11-21 10:01:48 +04:00
parent 39f1f30f68
commit 95df7ea33a
3 changed files with 20 additions and 1 deletions
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10
mysql-test/main/func_analyse.result
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@@ -245,5 +245,15 @@ Field_name Min_value Max_value Min_length Max_length Empties_or_zeros Nulls Avg_
test.t1.c 1.1 1.3 3 3 0 0 3.0000 NULL ENUM('1.1','1.3') NOT NULL
DROP TABLE t1;
#
# MDEV-31881 ASAN: unknown-crash in check_ulonglong (sql/sql_analyse.cc) on SELECT ... FROM ... PROCEDURE ANALYSE()
#
CREATE TABLE t (a INT, b CHAR(10));
INSERT INTO t VALUES (0,'0000000000');
SELECT * FROM t PROCEDURE ANALYSE();
Field_name Min_value Max_value Min_length Max_length Empties_or_zeros Nulls Avg_value_or_avg_length Std Optimal_fieldtype
test.t.a 0 0 1 1 1 0 0.0000 0.0000 ENUM('0') NOT NULL
test.t.b 0000000000 0000000000 10 10 0 0 10.0000 NULL ENUM('0000000000') NOT NULL
DROP TABLE t;
#
# End of 10.5 tests
#