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Bug#57209 valgrind + Assertion failed: dst > buf

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Buffer overrun when trying to format DBL_MAX


mysql-test/r/func_math.result:
  Add test case for Bug#57209
mysql-test/t/func_math.test:
  Add test case for Bug#57209
sql/item_strfunc.cc:
  Allocate a larger buffer for the result.
This commit is contained in:
Tor Didriksen
2010-10-08 11:52:09 +02:00
parent 8284a3786d
commit c8d7a31f35
3 changed files with 16 additions and 2 deletions
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6
mysql-test/t/func_math.test
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@ -458,3 +458,9 @@ SELECT 2 DIV -2;
SELECT -(1 DIV 0);
# Crashed the server with SIGFPE before the bugfix
SELECT -9223372036854775808 MOD -1;
--echo #
--echo # Bug #57209 valgrind + Assertion failed: dst > buf
--echo #
SELECT floor(log10(format(concat_ws(5445796E25, 5306463, 30837), -358821)))
as foo;