Commit bc9b4834 authored by ramil/ram@mysql.com/ramil.myoffice.izhnet.ru's avatar ramil/ram@mysql.com/ramil.myoffice.izhnet.ru
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Fix for bug #31069: crash in 'sounds like' 

and for bug #31070: crash during conversion of charsets

Problem: passing a 0 byte length string to some my_mb_wc_XXX() 
functions leads to server crash due to improper argument check.

Fix: properly check arguments passed to my_mb_wc_XXX() functions.
parent e7851316

mysql-test/include/ctype_common.inc

+9 −0
Original line number Diff line number Diff line
@@ -51,6 +51,15 @@ SELECT c1 as want1result from t1 where c1 like 'locatio%'; 
SELECT c1 as want1result  from t1 where c1 like 'location%';

DROP TABLE t1;



#

# Bug #31070: crash during conversion of charsets

#

create table t1 (a set('a') not null);

insert into t1 values (),();

select cast(a as char(1)) from t1;

select a sounds like a from t1;

drop table t1;



DROP DATABASE d1;

# Restore settings

USE test;

mysql-test/r/ctype_big5.result

+11 −0
Original line number Diff line number Diff line
@@ -52,6 +52,17 @@ SELECT c1 as want1result from t1 where c1 like 'location%'; 
want1result

location

DROP TABLE t1;

create table t1 (a set('a') not null);

insert into t1 values (),();

select cast(a as char(1)) from t1;

cast(a as char(1))





select a sounds like a from t1;

a sounds like a

1

1

drop table t1;

DROP DATABASE d1;

USE test;

SET character_set_server= @safe_character_set_server;

mysql-test/r/ctype_euckr.result

+11 −0
Original line number Diff line number Diff line
@@ -52,6 +52,17 @@ SELECT c1 as want1result from t1 where c1 like 'location%'; 
want1result

location

DROP TABLE t1;

create table t1 (a set('a') not null);

insert into t1 values (),();

select cast(a as char(1)) from t1;

cast(a as char(1))





select a sounds like a from t1;

a sounds like a

1

1

drop table t1;

DROP DATABASE d1;

USE test;

SET character_set_server= @safe_character_set_server;

mysql-test/r/ctype_gb2312.result

+11 −0
Original line number Diff line number Diff line
@@ -52,6 +52,17 @@ SELECT c1 as want1result from t1 where c1 like 'location%'; 
want1result

location

DROP TABLE t1;

create table t1 (a set('a') not null);

insert into t1 values (),();

select cast(a as char(1)) from t1;

cast(a as char(1))





select a sounds like a from t1;

a sounds like a

1

1

drop table t1;

DROP DATABASE d1;

USE test;

SET character_set_server= @safe_character_set_server;

mysql-test/r/ctype_gbk.result

+11 −0
Original line number Diff line number Diff line
@@ -52,6 +52,17 @@ SELECT c1 as want1result from t1 where c1 like 'location%'; 
want1result

location

DROP TABLE t1;

create table t1 (a set('a') not null);

insert into t1 values (),();

select cast(a as char(1)) from t1;

cast(a as char(1))





select a sounds like a from t1;

a sounds like a

1

1

drop table t1;

DROP DATABASE d1;

USE test;

SET character_set_server= @safe_character_set_server;