[MDEV-4512] Valgrind warnings in my_long10_to_str_8bit on INTERVAL and DATE_ADD with incorrect types - JIRA

Details

Type: Bug
Status: Closed
Priority: Minor
Resolution: Fixed
Affects Version/s: 10.0.2, 5.5.31, 5.3.12
Fix Version/s: 10.0.4, 5.5.33, 5.3.13
Component/s: None
Labels:
None

Description

Test case:

CREATE TABLE t1 (pk INT PRIMARY KEY);
INSERT INTO t1 VALUES (10),(11);

SELECT INTERVAL( 9, 1, DATE_ADD( pk, INTERVAL pk MINUTE_SECOND ), 9, 8, 3, 5, 2, 1 ) FROM t1;

==20934== Thread 4:
==20934== Conditional jump or move depends on uninitialised value(s)
==20934==    at 0xC027E9: my_long10_to_str_8bit (ctype-simple.c:862)
==20934==    by 0x63BFA6: Field_long::val_str(String*, String*) (field.cc:3687)
==20934==    by 0x5969E8: Field::val_str(String*) (field.h:216)
==20934==    by 0x635924: Field::get_date(st_mysql_time*, unsigned int) (field.cc:1762)
==20934==    by 0x5822AF: Item_field::get_date(st_mysql_time*, unsigned int) (item.cc:2346)
==20934==    by 0x5F76ED: Item_date_add_interval::get_date(st_mysql_time*, unsigned int) (item_timefunc.cc:1927)
==20934==    by 0x5F5F81: Item_temporal_func::val_int() (item_timefunc.cc:1358)
==20934==    by 0x5986A2: Item::update_null_value() (item.h:949)
==20934==    by 0x5C495C: Item_func::is_null() (item_func.h:163)
==20934==    by 0x5CED8A: Item_func_interval::fix_length_and_dec() (item_cmpfunc.cc:1963)
==20934==    by 0x5AF826: Item_func::fix_fields(THD*, Item**) (item_func.cc:208)
==20934==    by 0x6F2B88: setup_fields(THD*, Item**, List<Item>&, enum_mark_columns, List<Item>*, bool) (sql_base.cc:7858)
==20934==    by 0x70BAA2: JOIN::prepare(Item***, TABLE_LIST*, unsigned int, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, st_select_lex*, st_select_lex_unit*) (sql_select.cc:666)
==20934==    by 0x7144C6: mysql_select(THD*, Item***, TABLE_LIST*, unsigned int, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*) (sql_select.cc:2970)
==20934==    by 0x70AF26: handle_select(THD*, st_lex*, select_result*, unsigned long) (sql_select.cc:288)
==20934==    by 0x6963DE: execute_sqlcom_select(THD*, TABLE_LIST*) (sql_parse.cc:5172)
==20934== Conditional jump or move depends on uninitialised value(s)
==20934==    at 0xC028D4: my_long10_to_str_8bit (ctype-simple.c:876)
==20934==    by 0x63BFA6: Field_long::val_str(String*, String*) (field.cc:3687)
==20934==    by 0x5969E8: Field::val_str(String*) (field.h:216)
==20934==    by 0x635924: Field::get_date(st_mysql_time*, unsigned int) (field.cc:1762)
==20934==    by 0x5822AF: Item_field::get_date(st_mysql_time*, unsigned int) (item.cc:2346)
==20934==    by 0x5F76ED: Item_date_add_interval::get_date(st_mysql_time*, unsigned int) (item_timefunc.cc:1927)
==20934==    by 0x5F5F81: Item_temporal_func::val_int() (item_timefunc.cc:1358)
==20934==    by 0x5986A2: Item::update_null_value() (item.h:949)
==20934==    by 0x5C495C: Item_func::is_null() (item_func.h:163)
==20934==    by 0x5CED8A: Item_func_interval::fix_length_and_dec() (item_cmpfunc.cc:1963)
==20934==    by 0x5AF826: Item_func::fix_fields(THD*, Item**) (item_func.cc:208)
==20934==    by 0x6F2B88: setup_fields(THD*, Item**, List<Item>&, enum_mark_columns, List<Item>*, bool) (sql_base.cc:7858)
==20934==    by 0x70BAA2: JOIN::prepare(Item***, TABLE_LIST*, unsigned int, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, st_select_lex*, st_select_lex_unit*) (sql_select.cc:666)
==20934==    by 0x7144C6: mysql_select(THD*, Item***, TABLE_LIST*, unsigned int, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*) (sql_select.cc:2970)
==20934==    by 0x70AF26: handle_select(THD*, st_lex*, select_result*, unsigned long) (sql_select.cc:288)
==20934==    by 0x6963DE: execute_sqlcom_select(THD*, TABLE_LIST*) (sql_parse.cc:5172)
==20934== Use of uninitialised value of size 8
==20934==    at 0x9155FB: str_to_datetime (my_time.c:191)
==20934==    by 0x7D658A: str_to_datetime_with_warn(char const*, unsigned int, st_mysql_time*, unsigned long) (time.cc:234)
==20934==    by 0x635961: Field::get_date(st_mysql_time*, unsigned int) (field.cc:1764)
==20934==    by 0x5822AF: Item_field::get_date(st_mysql_time*, unsigned int) (item.cc:2346)
==20934==    by 0x5F76ED: Item_date_add_interval::get_date(st_mysql_time*, unsigned int) (item_timefunc.cc:1927)
==20934==    by 0x5F5F81: Item_temporal_func::val_int() (item_timefunc.cc:1358)
==20934==    by 0x5986A2: Item::update_null_value() (item.h:949)
==20934==    by 0x5C495C: Item_func::is_null() (item_func.h:163)
==20934==    by 0x5CED8A: Item_func_interval::fix_length_and_dec() (item_cmpfunc.cc:1963)
==20934==    by 0x5AF826: Item_func::fix_fields(THD*, Item**) (item_func.cc:208)
==20934==    by 0x6F2B88: setup_fields(THD*, Item**, List<Item>&, enum_mark_columns, List<Item>*, bool) (sql_base.cc:7858)
==20934==    by 0x70BAA2: JOIN::prepare(Item***, TABLE_LIST*, unsigned int, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, st_select_lex*, st_select_lex_unit*) (sql_select.cc:666)
==20934==    by 0x7144C6: mysql_select(THD*, Item***, TABLE_LIST*, unsigned int, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*) (sql_select.cc:2970)
==20934==    by 0x70AF26: handle_select(THD*, st_lex*, select_result*, unsigned long) (sql_select.cc:288)
==20934==    by 0x6963DE: execute_sqlcom_select(THD*, TABLE_LIST*) (sql_parse.cc:5172)
==20934==    by 0x68D19D: mysql_execute_command(THD*) (sql_parse.cc:2305)
==20934== Use of uninitialised value of size 8
==20934==    at 0x915630: str_to_datetime (my_time.c:193)
==20934==    by 0x7D658A: str_to_datetime_with_warn(char const*, unsigned int, st_mysql_time*, unsigned long) (time.cc:234)
==20934==    by 0x635961: Field::get_date(st_mysql_time*, unsigned int) (field.cc:1764)
==20934==    by 0x5822AF: Item_field::get_date(st_mysql_time*, unsigned int) (item.cc:2346)
==20934==    by 0x5F76ED: Item_date_add_interval::get_date(st_mysql_time*, unsigned int) (item_timefunc.cc:1927)
==20934==    by 0x5F5F81: Item_temporal_func::val_int() (item_timefunc.cc:1358)
==20934==    by 0x5986A2: Item::update_null_value() (item.h:949)
==20934==    by 0x5C495C: Item_func::is_null() (item_func.h:163)
==20934==    by 0x5CED8A: Item_func_interval::fix_length_and_dec() (item_cmpfunc.cc:1963)
==20934==    by 0x5AF826: Item_func::fix_fields(THD*, Item**) (item_func.cc:208)
==20934==    by 0x6F2B88: setup_fields(THD*, Item**, List<Item>&, enum_mark_columns, List<Item>*, bool) (sql_base.cc:7858)
==20934==    by 0x70BAA2: JOIN::prepare(Item***, TABLE_LIST*, unsigned int, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, st_select_lex*, st_select_lex_unit*) (sql_select.cc:666)
==20934==    by 0x7144C6: mysql_select(THD*, Item***, TABLE_LIST*, unsigned int, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*) (sql_select.cc:2970)
==20934==    by 0x70AF26: handle_select(THD*, st_lex*, select_result*, unsigned long) (sql_select.cc:288)
==20934==    by 0x6963DE: execute_sqlcom_select(THD*, TABLE_LIST*) (sql_parse.cc:5172)
==20934==    by 0x68D19D: mysql_execute_command(THD*) (sql_parse.cc:2305)
==20934== Use of uninitialised value of size 8
==20934==    at 0x9156A8: str_to_datetime (my_time.c:209)
==20934==    by 0x7D658A: str_to_datetime_with_warn(char const*, unsigned int, st_mysql_time*, unsigned long) (time.cc:234)
==20934==    by 0x635961: Field::get_date(st_mysql_time*, unsigned int) (field.cc:1764)
==20934==    by 0x5822AF: Item_field::get_date(st_mysql_time*, unsigned int) (item.cc:2346)
==20934==    by 0x5F76ED: Item_date_add_interval::get_date(st_mysql_time*, unsigned int) (item_timefunc.cc:1927)
==20934==    by 0x5F5F81: Item_temporal_func::val_int() (item_timefunc.cc:1358)
==20934==    by 0x5986A2: Item::update_null_value() (item.h:949)
==20934==    by 0x5C495C: Item_func::is_null() (item_func.h:163)
==20934==    by 0x5CED8A: Item_func_interval::fix_length_and_dec() (item_cmpfunc.cc:1963)
==20934==    by 0x5AF826: Item_func::fix_fields(THD*, Item**) (item_func.cc:208)
==20934==    by 0x6F2B88: setup_fields(THD*, Item**, List<Item>&, enum_mark_columns, List<Item>*, bool) (sql_base.cc:7858)
==20934==    by 0x70BAA2: JOIN::prepare(Item***, TABLE_LIST*, unsigned int, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, st_select_lex*, st_select_lex_unit*) (sql_select.cc:666)
==20934==    by 0x7144C6: mysql_select(THD*, Item***, TABLE_LIST*, unsigned int, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*) (sql_select.cc:2970)
==20934==    by 0x70AF26: handle_select(THD*, st_lex*, select_result*, unsigned long) (sql_select.cc:288)
==20934==    by 0x6963DE: execute_sqlcom_select(THD*, TABLE_LIST*) (sql_parse.cc:5172)
==20934==    by 0x68D19D: mysql_execute_command(THD*) (sql_parse.cc:2305)
==20934== Use of uninitialised value of size 8
==20934==    at 0x915CE0: str_to_datetime (my_time.c:270)
==20934==    by 0x7D658A: str_to_datetime_with_warn(char const*, unsigned int, st_mysql_time*, unsigned long) (time.cc:234)
==20934==    by 0x635961: Field::get_date(st_mysql_time*, unsigned int) (field.cc:1764)
==20934==    by 0x5822AF: Item_field::get_date(st_mysql_time*, unsigned int) (item.cc:2346)
==20934==    by 0x5F76ED: Item_date_add_interval::get_date(st_mysql_time*, unsigned int) (item_timefunc.cc:1927)
==20934==    by 0x5F5F81: Item_temporal_func::val_int() (item_timefunc.cc:1358)
==20934==    by 0x5986A2: Item::update_null_value() (item.h:949)
==20934==    by 0x5C495C: Item_func::is_null() (item_func.h:163)
==20934==    by 0x5CED8A: Item_func_interval::fix_length_and_dec() (item_cmpfunc.cc:1963)
==20934==    by 0x5AF826: Item_func::fix_fields(THD*, Item**) (item_func.cc:208)
==20934==    by 0x6F2B88: setup_fields(THD*, Item**, List<Item>&, enum_mark_columns, List<Item>*, bool) (sql_base.cc:7858)
==20934==    by 0x70BAA2: JOIN::prepare(Item***, TABLE_LIST*, unsigned int, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, st_select_lex*, st_select_lex_unit*) (sql_select.cc:666)
==20934==    by 0x7144C6: mysql_select(THD*, Item***, TABLE_LIST*, unsigned int, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*) (sql_select.cc:2970)
==20934==    by 0x70AF26: handle_select(THD*, st_lex*, select_result*, unsigned long) (sql_select.cc:288)
==20934==    by 0x6963DE: execute_sqlcom_select(THD*, TABLE_LIST*) (sql_parse.cc:5172)
==20934==    by 0x68D19D: mysql_execute_command(THD*) (sql_parse.cc:2305)
==20934== Use of uninitialised value of size 8
==20934==    at 0x915992: str_to_datetime (my_time.c:286)
==20934==    by 0x7D658A: str_to_datetime_with_warn(char const*, unsigned int, st_mysql_time*, unsigned long) (time.cc:234)
==20934==    by 0x635961: Field::get_date(st_mysql_time*, unsigned int) (field.cc:1764)
==20934==    by 0x5822AF: Item_field::get_date(st_mysql_time*, unsigned int) (item.cc:2346)
==20934==    by 0x5F76ED: Item_date_add_interval::get_date(st_mysql_time*, unsigned int) (item_timefunc.cc:1927)
==20934==    by 0x5F5F81: Item_temporal_func::val_int() (item_timefunc.cc:1358)
==20934==    by 0x5986A2: Item::update_null_value() (item.h:949)
==20934==    by 0x5C495C: Item_func::is_null() (item_func.h:163)
==20934==    by 0x5CED8A: Item_func_interval::fix_length_and_dec() (item_cmpfunc.cc:1963)
==20934==    by 0x5AF826: Item_func::fix_fields(THD*, Item**) (item_func.cc:208)
==20934==    by 0x6F2B88: setup_fields(THD*, Item**, List<Item>&, enum_mark_columns, List<Item>*, bool) (sql_base.cc:7858)
==20934==    by 0x70BAA2: JOIN::prepare(Item***, TABLE_LIST*, unsigned int, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, st_select_lex*, st_select_lex_unit*) (sql_select.cc:666)
==20934==    by 0x7144C6: mysql_select(THD*, Item***, TABLE_LIST*, unsigned int, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*) (sql_select.cc:2970)
==20934==    by 0x70AF26: handle_select(THD*, st_lex*, select_result*, unsigned long) (sql_select.cc:288)
==20934==    by 0x6963DE: execute_sqlcom_select(THD*, TABLE_LIST*) (sql_parse.cc:5172)
==20934==    by 0x68D19D: mysql_execute_command(THD*) (sql_parse.cc:2305)
==20934== Conditional jump or move depends on uninitialised value(s)
==20934==    at 0x9159D7: str_to_datetime (my_time.c:293)
==20934==    by 0x7D658A: str_to_datetime_with_warn(char const*, unsigned int, st_mysql_time*, unsigned long) (time.cc:234)
==20934==    by 0x635961: Field::get_date(st_mysql_time*, unsigned int) (field.cc:1764)
==20934==    by 0x5822AF: Item_field::get_date(st_mysql_time*, unsigned int) (item.cc:2346)
==20934==    by 0x5F76ED: Item_date_add_interval::get_date(st_mysql_time*, unsigned int) (item_timefunc.cc:1927)
==20934==    by 0x5F5F81: Item_temporal_func::val_int() (item_timefunc.cc:1358)
==20934==    by 0x5986A2: Item::update_null_value() (item.h:949)
==20934==    by 0x5C495C: Item_func::is_null() (item_func.h:163)
==20934==    by 0x5CED8A: Item_func_interval::fix_length_and_dec() (item_cmpfunc.cc:1963)
==20934==    by 0x5AF826: Item_func::fix_fields(THD*, Item**) (item_func.cc:208)
==20934==    by 0x6F2B88: setup_fields(THD*, Item**, List<Item>&, enum_mark_columns, List<Item>*, bool) (sql_base.cc:7858)
==20934==    by 0x70BAA2: JOIN::prepare(Item***, TABLE_LIST*, unsigned int, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, st_select_lex*, st_select_lex_unit*) (sql_select.cc:666)
==20934==    by 0x7144C6: mysql_select(THD*, Item***, TABLE_LIST*, unsigned int, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*) (sql_select.cc:2970)
==20934==    by 0x70AF26: handle_select(THD*, st_lex*, select_result*, unsigned long) (sql_select.cc:288)
==20934==    by 0x6963DE: execute_sqlcom_select(THD*, TABLE_LIST*) (sql_parse.cc:5172)
==20934==    by 0x68D19D: mysql_execute_command(THD*) (sql_parse.cc:2305)
==20934== Conditional jump or move depends on uninitialised value(s)
==20934==    at 0x916015: str_to_datetime (my_time.c:422)
==20934==    by 0x7D658A: str_to_datetime_with_warn(char const*, unsigned int, st_mysql_time*, unsigned long) (time.cc:234)
==20934==    by 0x635961: Field::get_date(st_mysql_time*, unsigned int) (field.cc:1764)
==20934==    by 0x5822AF: Item_field::get_date(st_mysql_time*, unsigned int) (item.cc:2346)
==20934==    by 0x5F76ED: Item_date_add_interval::get_date(st_mysql_time*, unsigned int) (item_timefunc.cc:1927)
==20934==    by 0x5F5F81: Item_temporal_func::val_int() (item_timefunc.cc:1358)
==20934==    by 0x5986A2: Item::update_null_value() (item.h:949)
==20934==    by 0x5C495C: Item_func::is_null() (item_func.h:163)
==20934==    by 0x5CED8A: Item_func_interval::fix_length_and_dec() (item_cmpfunc.cc:1963)
==20934==    by 0x5AF826: Item_func::fix_fields(THD*, Item**) (item_func.cc:208)
==20934==    by 0x6F2B88: setup_fields(THD*, Item**, List<Item>&, enum_mark_columns, List<Item>*, bool) (sql_base.cc:7858)
==20934==    by 0x70BAA2: JOIN::prepare(Item***, TABLE_LIST*, unsigned int, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, st_select_lex*, st_select_lex_unit*) (sql_select.cc:666)
==20934==    by 0x7144C6: mysql_select(THD*, Item***, TABLE_LIST*, unsigned int, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*) (sql_select.cc:2970)
==20934==    by 0x70AF26: handle_select(THD*, st_lex*, select_result*, unsigned long) (sql_select.cc:288)
==20934==    by 0x6963DE: execute_sqlcom_select(THD*, TABLE_LIST*) (sql_parse.cc:5172)
==20934==    by 0x68D19D: mysql_execute_command(THD*) (sql_parse.cc:2305)
==20934== Conditional jump or move depends on uninitialised value(s)
==20934==    at 0x91602C: str_to_datetime (my_time.c:423)
==20934==    by 0x7D658A: str_to_datetime_with_warn(char const*, unsigned int, st_mysql_time*, unsigned long) (time.cc:234)
==20934==    by 0x635961: Field::get_date(st_mysql_time*, unsigned int) (field.cc:1764)
==20934==    by 0x5822AF: Item_field::get_date(st_mysql_time*, unsigned int) (item.cc:2346)
==20934==    by 0x5F76ED: Item_date_add_interval::get_date(st_mysql_time*, unsigned int) (item_timefunc.cc:1927)
==20934==    by 0x5F5F81: Item_temporal_func::val_int() (item_timefunc.cc:1358)
==20934==    by 0x5986A2: Item::update_null_value() (item.h:949)
==20934==    by 0x5C495C: Item_func::is_null() (item_func.h:163)
==20934==    by 0x5CED8A: Item_func_interval::fix_length_and_dec() (item_cmpfunc.cc:1963)
==20934==    by 0x5AF826: Item_func::fix_fields(THD*, Item**) (item_func.cc:208)
==20934==    by 0x6F2B88: setup_fields(THD*, Item**, List<Item>&, enum_mark_columns, List<Item>*, bool) (sql_base.cc:7858)
==20934==    by 0x70BAA2: JOIN::prepare(Item***, TABLE_LIST*, unsigned int, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, st_select_lex*, st_select_lex_unit*) (sql_select.cc:666)
==20934==    by 0x7144C6: mysql_select(THD*, Item***, TABLE_LIST*, unsigned int, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*) (sql_select.cc:2970)
==20934==    by 0x70AF26: handle_select(THD*, st_lex*, select_result*, unsigned long) (sql_select.cc:288)
==20934==    by 0x6963DE: execute_sqlcom_select(THD*, TABLE_LIST*) (sql_parse.cc:5172)
==20934==    by 0x68D19D: mysql_execute_command(THD*) (sql_parse.cc:2305)
==20934== Conditional jump or move depends on uninitialised value(s)
==20934==    at 0x9160AB: str_to_datetime (my_time.c:431)
==20934==    by 0x7D658A: str_to_datetime_with_warn(char const*, unsigned int, st_mysql_time*, unsigned long) (time.cc:234)
==20934==    by 0x635961: Field::get_date(st_mysql_time*, unsigned int) (field.cc:1764)
==20934==    by 0x5822AF: Item_field::get_date(st_mysql_time*, unsigned int) (item.cc:2346)
==20934==    by 0x5F76ED: Item_date_add_interval::get_date(st_mysql_time*, unsigned int) (item_timefunc.cc:1927)
==20934==    by 0x5F5F81: Item_temporal_func::val_int() (item_timefunc.cc:1358)
==20934==    by 0x5986A2: Item::update_null_value() (item.h:949)
==20934==    by 0x5C495C: Item_func::is_null() (item_func.h:163)
==20934==    by 0x5CED8A: Item_func_interval::fix_length_and_dec() (item_cmpfunc.cc:1963)
==20934==    by 0x5AF826: Item_func::fix_fields(THD*, Item**) (item_func.cc:208)
==20934==    by 0x6F2B88: setup_fields(THD*, Item**, List<Item>&, enum_mark_columns, List<Item>*, bool) (sql_base.cc:7858)
==20934==    by 0x70BAA2: JOIN::prepare(Item***, TABLE_LIST*, unsigned int, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, st_select_lex*, st_select_lex_unit*) (sql_select.cc:666)
==20934==    by 0x7144C6: mysql_select(THD*, Item***, TABLE_LIST*, unsigned int, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*) (sql_select.cc:2970)
==20934==    by 0x70AF26: handle_select(THD*, st_lex*, select_result*, unsigned long) (sql_select.cc:288)
==20934==    by 0x6963DE: execute_sqlcom_select(THD*, TABLE_LIST*) (sql_parse.cc:5172)
==20934==    by 0x68D19D: mysql_execute_command(THD*) (sql_parse.cc:2305)
==20934== Conditional jump or move depends on uninitialised value(s)
==20934==    at 0x7D6593: str_to_datetime_with_warn(char const*, unsigned int, st_mysql_time*, unsigned long) (time.cc:235)
==20934==    by 0x635961: Field::get_date(st_mysql_time*, unsigned int) (field.cc:1764)
==20934==    by 0x5822AF: Item_field::get_date(st_mysql_time*, unsigned int) (item.cc:2346)
==20934==    by 0x5F76ED: Item_date_add_interval::get_date(st_mysql_time*, unsigned int) (item_timefunc.cc:1927)
==20934==    by 0x5F5F81: Item_temporal_func::val_int() (item_timefunc.cc:1358)
==20934==    by 0x5986A2: Item::update_null_value() (item.h:949)
==20934==    by 0x5C495C: Item_func::is_null() (item_func.h:163)
==20934==    by 0x5CED8A: Item_func_interval::fix_length_and_dec() (item_cmpfunc.cc:1963)
==20934==    by 0x5AF826: Item_func::fix_fields(THD*, Item**) (item_func.cc:208)
==20934==    by 0x6F2B88: setup_fields(THD*, Item**, List<Item>&, enum_mark_columns, List<Item>*, bool) (sql_base.cc:7858)
==20934==    by 0x70BAA2: JOIN::prepare(Item***, TABLE_LIST*, unsigned int, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, st_select_lex*, st_select_lex_unit*) (sql_select.cc:666)
==20934==    by 0x7144C6: mysql_select(THD*, Item***, TABLE_LIST*, unsigned int, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*) (sql_select.cc:2970)
==20934==    by 0x70AF26: handle_select(THD*, st_lex*, select_result*, unsigned long) (sql_select.cc:288)
==20934==    by 0x6963DE: execute_sqlcom_select(THD*, TABLE_LIST*) (sql_parse.cc:5172)
==20934==    by 0x68D19D: mysql_execute_command(THD*) (sql_parse.cc:2305)
==20934==    by 0x698E58: mysql_parse(THD*, char*, unsigned int, char const**) (sql_parse.cc:6173)
==20934== Conditional jump or move depends on uninitialised value(s)
==20934==    at 0x4C2BF7E: __GI_strnlen (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==20934==    by 0xC1E5CC: process_str_arg (my_vsnprintf.c:196)
==20934==    by 0xC1FE2A: my_vsnprintf_ex (my_vsnprintf.c:568)
==20934==    by 0xC20158: my_vsnprintf (my_vsnprintf.c:625)
==20934==    by 0xC01E7B: my_snprintf_8bit (ctype-simple.c:298)
==20934==    by 0x7D768E: make_truncated_value_warning(THD*, MYSQL_ERROR::enum_warning_level, Lazy_string const*, enum_mysql_timestamp_type, char const*) (time.cc:796)
==20934==    by 0x7D5EB8: make_truncated_value_warning(THD*, MYSQL_ERROR::enum_warning_level, char const*, unsigned int, enum_mysql_timestamp_type, char const*) (mysql_priv.h:2540)
==20934==    by 0x7D65CE: str_to_datetime_with_warn(char const*, unsigned int, st_mysql_time*, unsigned long) (time.cc:238)
==20934==    by 0x635961: Field::get_date(st_mysql_time*, unsigned int) (field.cc:1764)
==20934==    by 0x5822AF: Item_field::get_date(st_mysql_time*, unsigned int) (item.cc:2346)
==20934==    by 0x5F76ED: Item_date_add_interval::get_date(st_mysql_time*, unsigned int) (item_timefunc.cc:1927)
==20934==    by 0x5F5F81: Item_temporal_func::val_int() (item_timefunc.cc:1358)
==20934==    by 0x5986A2: Item::update_null_value() (item.h:949)
==20934==    by 0x5C495C: Item_func::is_null() (item_func.h:163)
==20934==    by 0x5CED8A: Item_func_interval::fix_length_and_dec() (item_cmpfunc.cc:1963)
==20934==    by 0x5AF826: Item_func::fix_fields(THD*, Item**) (item_func.cc:208)
==20934== Conditional jump or move depends on uninitialised value(s)
==20934==    at 0x4C2BF8C: __GI_strnlen (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==20934==    by 0xC1E5CC: process_str_arg (my_vsnprintf.c:196)
==20934==    by 0xC1FE2A: my_vsnprintf_ex (my_vsnprintf.c:568)
==20934==    by 0xC20158: my_vsnprintf (my_vsnprintf.c:625)
==20934==    by 0xC01E7B: my_snprintf_8bit (ctype-simple.c:298)
==20934==    by 0x7D768E: make_truncated_value_warning(THD*, MYSQL_ERROR::enum_warning_level, Lazy_string const*, enum_mysql_timestamp_type, char const*) (time.cc:796)
==20934==    by 0x7D5EB8: make_truncated_value_warning(THD*, MYSQL_ERROR::enum_warning_level, char const*, unsigned int, enum_mysql_timestamp_type, char const*) (mysql_priv.h:2540)
==20934==    by 0x7D65CE: str_to_datetime_with_warn(char const*, unsigned int, st_mysql_time*, unsigned long) (time.cc:238)
==20934==    by 0x635961: Field::get_date(st_mysql_time*, unsigned int) (field.cc:1764)
==20934==    by 0x5822AF: Item_field::get_date(st_mysql_time*, unsigned int) (item.cc:2346)
==20934==    by 0x5F76ED: Item_date_add_interval::get_date(st_mysql_time*, unsigned int) (item_timefunc.cc:1927)
==20934==    by 0x5F5F81: Item_temporal_func::val_int() (item_timefunc.cc:1358)
==20934==    by 0x5986A2: Item::update_null_value() (item.h:949)
==20934==    by 0x5C495C: Item_func::is_null() (item_func.h:163)
==20934==    by 0x5CED8A: Item_func_interval::fix_length_and_dec() (item_cmpfunc.cc:1963)
==20934==    by 0x5AF826: Item_func::fix_fields(THD*, Item**) (item_func.cc:208)
==20934== Conditional jump or move depends on uninitialised value(s)
==20934==    at 0xBFE8C1: strnmov (strnmov.c:41)
==20934==    by 0xC1E670: process_str_arg (my_vsnprintf.c:204)
==20934==    by 0xC1FE2A: my_vsnprintf_ex (my_vsnprintf.c:568)
==20934==    by 0xC20158: my_vsnprintf (my_vsnprintf.c:625)
==20934==    by 0xC01E7B: my_snprintf_8bit (ctype-simple.c:298)
==20934==    by 0x7D768E: make_truncated_value_warning(THD*, MYSQL_ERROR::enum_warning_level, Lazy_string const*, enum_mysql_timestamp_type, char const*) (time.cc:796)
==20934==    by 0x7D5EB8: make_truncated_value_warning(THD*, MYSQL_ERROR::enum_warning_level, char const*, unsigned int, enum_mysql_timestamp_type, char const*) (mysql_priv.h:2540)
==20934==    by 0x7D65CE: str_to_datetime_with_warn(char const*, unsigned int, st_mysql_time*, unsigned long) (time.cc:238)
==20934==    by 0x635961: Field::get_date(st_mysql_time*, unsigned int) (field.cc:1764)
==20934==    by 0x5822AF: Item_field::get_date(st_mysql_time*, unsigned int) (item.cc:2346)
==20934==    by 0x5F76ED: Item_date_add_interval::get_date(st_mysql_time*, unsigned int) (item_timefunc.cc:1927)
==20934==    by 0x5F5F81: Item_temporal_func::val_int() (item_timefunc.cc:1358)
==20934==    by 0x5986A2: Item::update_null_value() (item.h:949)
==20934==    by 0x5C495C: Item_func::is_null() (item_func.h:163)
==20934==    by 0x5CED8A: Item_func_interval::fix_length_and_dec() (item_cmpfunc.cc:1963)
==20934==    by 0x5AF826: Item_func::fix_fields(THD*, Item**) (item_func.cc:208)
==20934== Conditional jump or move depends on uninitialised value(s)
==20934==    at 0xBB2A39: strdup_root (my_alloc.c:415)
==20934==    by 0x76C617: MYSQL_ERROR::set_msg(THD*, char const*) (sql_error.cc:59)
==20934==    by 0x76D0D9: MYSQL_ERROR::MYSQL_ERROR(THD*, unsigned int, MYSQL_ERROR::enum_warning_level, char const*) (sql_error.h:31)
==20934==    by 0x76CA21: push_warning(THD*, MYSQL_ERROR::enum_warning_level, unsigned int, char const*) (sql_error.cc:160)
==20934==    by 0x7D76B2: make_truncated_value_warning(THD*, MYSQL_ERROR::enum_warning_level, Lazy_string const*, enum_mysql_timestamp_type, char const*) (time.cc:799)
==20934==    by 0x7D5EB8: make_truncated_value_warning(THD*, MYSQL_ERROR::enum_warning_level, char const*, unsigned int, enum_mysql_timestamp_type, char const*) (mysql_priv.h:2540)
==20934==    by 0x7D65CE: str_to_datetime_with_warn(char const*, unsigned int, st_mysql_time*, unsigned long) (time.cc:238)
==20934==    by 0x635961: Field::get_date(st_mysql_time*, unsigned int) (field.cc:1764)
==20934==    by 0x5822AF: Item_field::get_date(st_mysql_time*, unsigned int) (item.cc:2346)
==20934==    by 0x5F76ED: Item_date_add_interval::get_date(st_mysql_time*, unsigned int) (item_timefunc.cc:1927)
==20934==    by 0x5F5F81: Item_temporal_func::val_int() (item_timefunc.cc:1358)
==20934==    by 0x5986A2: Item::update_null_value() (item.h:949)
==20934==    by 0x5C495C: Item_func::is_null() (item_func.h:163)
==20934==    by 0x5CED8A: Item_func_interval::fix_length_and_dec() (item_cmpfunc.cc:1963)
==20934==    by 0x5AF826: Item_func::fix_fields(THD*, Item**) (item_func.cc:208)
==20934==    by 0x6F2B88: setup_fields(THD*, Item**, List<Item>&, enum_mark_columns, List<Item>*, bool) (sql_base.cc:7858)
==20934== Conditional jump or move depends on uninitialised value(s)
==20934==    at 0x4C2BFD8: __GI_strlen (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==20934==    by 0x76CFA4: mysqld_show_warnings(THD*, unsigned long) (sql_error.cc:259)
==20934==    by 0x68D49D: mysql_execute_command(THD*) (sql_parse.cc:2373)
==20934==    by 0x698E58: mysql_parse(THD*, char*, unsigned int, char const**) (sql_parse.cc:6173)
==20934==    by 0x68A941: dispatch_command(enum_server_command, THD*, char*, unsigned int) (sql_parse.cc:1243)
==20934==    by 0x689BDF: do_command(THD*) (sql_parse.cc:923)
==20934==    by 0x68663A: handle_one_connection (sql_connect.cc:1231)
==20934==    by 0x548DE99: start_thread (pthread_create.c:308)
==20934==    by 0x5F9ACBC: clone (clone.S:112)
==20934== Conditional jump or move depends on uninitialised value(s)
==20934==    at 0x673BCD: copy_and_convert(char*, unsigned int, charset_info_st const*, char const*, unsigned int, charset_info_st const*, unsigned int*) (sql_string.cc:988)
==20934==    by 0x66A004: Protocol::net_store_data(unsigned char const*, unsigned long, charset_info_st const*, charset_info_st const*) (protocol.cc:113)
==20934==    by 0x66BFE6: Protocol::store_string_aux(char const*, unsigned long, charset_info_st const*, charset_info_st const*) (protocol.cc:932)
==20934==    by 0x66C2EB: Protocol_text::store(char const*, unsigned long, charset_info_st const*) (protocol.cc:972)
==20934==    by 0x76CFBB: mysqld_show_warnings(THD*, unsigned long) (sql_error.cc:259)
==20934==    by 0x68D49D: mysql_execute_command(THD*) (sql_parse.cc:2373)
==20934==    by 0x698E58: mysql_parse(THD*, char*, unsigned int, char const**) (sql_parse.cc:6173)
==20934==    by 0x68A941: dispatch_command(enum_server_command, THD*, char*, unsigned int) (sql_parse.cc:1243)
==20934==    by 0x689BDF: do_command(THD*) (sql_parse.cc:923)
==20934==    by 0x68663A: handle_one_connection (sql_connect.cc:1231)
==20934==    by 0x548DE99: start_thread (pthread_create.c:308)
==20934==    by 0x5F9ACBC: clone (clone.S:112)
==20934== Syscall param write(buf) points to uninitialised byte(s)
==20934==    at 0x5494CCD: ??? (syscall-template.S:82)
==20934==    by 0xBA08BF: vio_write (viosocket.c:121)
==20934==    by 0x6686AA: net_real_write (net_serv.cc:620)
==20934==    by 0x667D11: net_flush (net_serv.cc:346)
==20934==    by 0x66A611: net_send_eof(THD*, unsigned int, unsigned int) (protocol.cc:291)
==20934==    by 0x66AB6B: net_end_statement(THD*) (protocol.cc:495)
==20934==    by 0x68BC68: dispatch_command(enum_server_command, THD*, char*, unsigned int) (sql_parse.cc:1635)
==20934==    by 0x689BDF: do_command(THD*) (sql_parse.cc:923)
==20934==    by 0x68663A: handle_one_connection (sql_connect.cc:1231)
==20934==    by 0x548DE99: start_thread (pthread_create.c:308)
==20934==    by 0x5F9ACBC: clone (clone.S:112)
==20934==  Address 0xf8130c9 is 153 bytes inside a block of size 16,392 alloc'd
==20934==    at 0x4C2B6CD: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==20934==    by 0xBB0BDD: my_malloc (my_malloc.c:42)
==20934==    by 0x667801: my_net_init (net_serv.cc:120)
==20934==    by 0x67CA2A: handle_connections_sockets (mysqld.cc:5432)
==20934==    by 0x67B94B: main (mysqld.cc:4753)

bzr version-info

revision-id: psergey@askmonty.org-20130505013255-oyp1f1cscm7z8bx8
revno: 3656
branch-nick: 5.3
BUILD/compile-pentium-valgrind-max-no-ndb

848:size_t my_long10_to_str_8bit(CHARSET_INFO *cs __attribute__((unused)),
849:                             char *dst, size_t len, int radix, long int val)
850:{
851:  char buffer[66];
852:  register char *p, *e;
853:  long int new_val;
854:  uint sign=0;
855:  unsigned long int uval = (unsigned long int) val;
856:
857:  e = p = &buffer[sizeof(buffer)-1];
858:  *p= 0;
859:  
860:  if (radix < 0)
861:  {
862:    if (val < 0)
863:    {
864:      /* Avoid integer overflow in (-val) for LONGLONG_MIN (BUG#31799). */
865:      uval= (unsigned long int)0 - uval;
866:      *dst++= '-';
867:      len--;
868:      sign= 1;
869:    }
870:  }
871:  
872:  new_val = (long) (uval / 10);
873:  *--p    = '0'+ (char) (uval - (unsigned long) new_val * 10);
874:  val     = new_val;
875:  
876:  while (val != 0)
877:  {
878:    new_val=val/10;
879:    *--p = '0' + (char) (val-new_val*10);
880:    val= new_val;
881:  }
882:  
883:  len= min(len, (size_t) (e-p));
884:  memcpy(dst, p, len);
885:  return len+sign;
886:}

Setting to Minor because the query is artificial

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Alexander Barkov added a comment - 2013-08-06 09:29 - edited

MySQL-5.6.13 is also affected.

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Alexander Barkov added a comment - 2013-08-06 09:29 - edited MySQL-5.6.13 is also affected.

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Alexander Barkov added a comment - 2013-08-08 10:43

Pushed into 5.3.13

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Alexander Barkov added a comment - 2013-08-08 10:43 Pushed into 5.3.13

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Alexander Barkov added a comment - 2013-08-08 10:57

Pushed into 5.5.32

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Alexander Barkov added a comment - 2013-08-08 10:57 Pushed into 5.5.32

Valgrind warnings in my_long10_to_str_8bit on INTERVAL and DATE_ADD with incorrect types

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