Bug #34426 parts.partition_bit_myisam.test produces valgrind warnings
Submitted: 8 Feb 2008 17:09 Modified: 8 Feb 2008 17:13
Reporter: Alexander Nozdrin Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: Partitions Severity:S1 (Critical)
Version: OS:Any
Assigned to: CPU Architecture:Any

[8 Feb 2008 17:09] Alexander Nozdrin 
Description:
parts.partition_bit_myisam generates the following valgrind warnings:

VALGRIND: 'Use of uninitialised value of size 8'
    COUNT: 1
    FUNCTION: ha_partition::write_row(unsigned    FILES:    master.err
    TESTS:    parts.partition_bit_myisam
    STACK: at 0x73BF12: ha_partition::write_row(unsigned char*) (ha_partition.cc:2773)
             by 0x7381EC: handler::ha_write_row(unsigned char*) (handler.cc:4045)
             by 0x6B9DDC: write_record(THD*, st_table*, st_copy_info*) (sql_insert.cc:1546)
             by 0x6BFADC: mysql_insert(THD*, TABLE_LIST*, List<Item>&, List<List<Item> >&, List<Item>&, List<Item>&, enum_duplicates, bool) (sql_insert.cc:803)
             by 0x63F402: mysql_execute_command(THD*) (sql_parse.cc:2947)
             by 0x642CF5: mysql_parse(THD*, char const*, unsigned, char const**) (sql_parse.cc:5630)
             by 0x6432C6: dispatch_command(enum_server_command, THD*, char*, unsigned) (sql_parse.cc:1121)
             by 0x64462A: do_command(THD*) (sql_parse.cc:781)
             by 0x634A7B: handle_one_connection (sql_connect.cc:1120)
             by 0x4B2A192: start_thread (in /lib64/libpthread-2.4.so)
             by 0x51A145C: clone (in /lib64/libc-2.4.so)

VALGRIND: 'Use of uninitialised value of size 8'
    COUNT: 1
    FUNCTION: ha_partition::write_row(unsigned    FILES:    master.err
    TESTS:    parts.partition_bit_myisam
    STACK: at 0x73BF12: ha_partition::write_row(unsigned char*) (ha_partition.cc:2773)
             by 0x7381EC: handler::ha_write_row(unsigned char*) (handler.cc:4045)
             by 0x7555EE: mysql_alter_table(THD*, char*, char*, st_ha_create_information*, TABLE_LIST*, Alter_info*, unsigned, st_order*, bool) (sql_table.cc:7067)
             by 0x63F8DC: mysql_execute_command(THD*) (sql_parse.cc:2678)
             by 0x642CF5: mysql_parse(THD*, char const*, unsigned, char const**) (sql_parse.cc:5630)
             by 0x6432C6: dispatch_command(enum_server_command, THD*, char*, unsigned) (sql_parse.cc:1121)
             by 0x64462A: do_command(THD*) (sql_parse.cc:781)
             by 0x634A7B: handle_one_connection (sql_connect.cc:1120)
             by 0x4B2A192: start_thread (in /lib64/libpthread-2.4.so)
             by 0x51A145C: clone (in /lib64/libc-2.4.so)

How to repeat:
One of case:
https://intranet.mysql.com/secure/pushbuild/getlog.pl?dir=mysql-5.1-runtime&entry=darnaut@...