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authorunknown <gshchepa/uchum@gleb.loc>2007-10-08 03:48:59 +0500
committerunknown <gshchepa/uchum@gleb.loc>2007-10-08 03:48:59 +0500
commit60761a7cc67a358861e4af7863b785adc449b92f (patch)
tree9ca852e262b3c8f4fa4b9cd92f183fa5aa598ce3 /mysql-test/r/type_decimal.result
parenta408f34866de14649b13dc1e4c08edf40a19db28 (diff)
downloadmariadb-git-60761a7cc67a358861e4af7863b785adc449b92f.tar.gz
Fixed bug #31019: the MOD() function and the % operator crash the server
when a divisor is less than 1 and its fractional part is very long. For example: 1 % .123456789123456789123456789123456789123456789123456789123456789123456789123456789; Stack buffer overflow has been fixed in the do_div_mod function. strings/decimal.c: Fixed bug #31019. Stack buffer overflow has been fixed in the do_div_mod function: a value of the upper bound of the buffer was increased where a decrement is required. mysql-test/t/type_decimal.test: Added test case for bug #31019. mysql-test/r/type_decimal.result: Added test case for bug #31019.
Diffstat (limited to 'mysql-test/r/type_decimal.result')
-rw-r--r--mysql-test/r/type_decimal.result6
1 files changed, 6 insertions, 0 deletions
diff --git a/mysql-test/r/type_decimal.result b/mysql-test/r/type_decimal.result
index 3cf24529421..72f827f11ed 100644
--- a/mysql-test/r/type_decimal.result
+++ b/mysql-test/r/type_decimal.result
@@ -799,3 +799,9 @@ SELECT ROUND(qty,3), dps, ROUND(qty,dps) FROM t1;
ROUND(qty,3) dps ROUND(qty,dps)
1.133 3 1.133
DROP TABLE t1;
+SELECT 1 % .123456789123456789123456789123456789123456789123456789123456789123456789123456789 AS '%';
+%
+0.012345687012345687012345687012345687012345687012345687012345687012345687000000000
+SELECT MOD(1, .123456789123456789123456789123456789123456789123456789123456789123456789123456789) AS 'MOD()';
+MOD()
+0.012345687012345687012345687012345687012345687012345687012345687012345687000000000