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Bug #11765023: 57934: DOS POSSIBLE SINCE BINARY CASTING DOESN'T

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ADHERE TO MAX_ALLOWED_PACKET

Added a check for max_packet_length in CONVERT(, BINARY|CHAR).
Added a test case.
This commit is contained in:
Georgi Kodinov 2011-03-15 13:19:30 +02:00
commit 7a37a7c0c8
3 changed files with 42 additions and 0 deletions
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14
mysql-test/t/cast.test
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@ -282,5 +282,19 @@ SELECT 1 FROM
) AS s LIMIT 1;
DROP TABLE t1;
--echo #
--echo # Bug #11765023: 57934: DOS POSSIBLE SINCE BINARY CASTING
--echo # DOESN'T ADHERE TO MAX_ALLOWED_PACKET
SET @@GLOBAL.max_allowed_packet=2048;
# reconnect to make the new max packet size take effect
--connect (newconn, localhost, root,,)
SELECT CONVERT('a', BINARY(2049));
SELECT CONVERT('a', CHAR(2049));
connection default;
disconnect newconn;
SET @@GLOBAL.max_allowed_packet=default;
--echo End of 5.1 tests