Description:
Affects debug windows builds of at least 5.0, 5.1, 5.5, 5.6, 5.7, 5.8.
Client crashes here:
0:000> kcn
# Call Site
00 mysql!strnlen
01 mysql!process_str_arg
02 mysql!my_vsnprintf_ex
03 mysql!my_vsnprintf
04 mysql!DbugVfprintf
05 mysql!_db_doprnt_
06 mysql!mysql_real_connect
07 mysql!sql_real_connect
08 mysql!sql_connect
09 mysql!main
0a mysql!__tmainCRTStartup
0b mysql!mainCRTStartup
0c kernel32!BaseThreadInitThunk
0d ntdll!RtlUserThreadStart
How to repeat:
With a debug build:
mysql.exe -uroot test --default-character-set=utf8 --debug
Suggested fix:
diff --git a/sql-common/client.c b/sql-common/client.c
index 3e4b660..a4aaee6 100644
--- a/sql-common/client.c
+++ b/sql-common/client.c
@@ -4177,7 +4177,7 @@ CLI_MYSQL_REAL_CONNECT(MYSQL *mysql,const char *host, const char *user,
("host: '%s' socket: '%s' shared memory: %s have_tcpip: %d",
host ? host : "<null>",
unix_socket ? unix_socket : "<null>",
- (int) mysql->options.shared_memory_base_name,
+ (char*) mysql->options.shared_memory_base_name,
(int) have_tcpip));
if (mysql->options.protocol == MYSQL_PROTOCOL_MEMORY)
goto error;
E:\git\mysql-trunk\sql-common>