bk commit into 5.0 tree (anozdrin:1.2516) BUG#27592

[Alexander Nozdrin]

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5.0 repository of alik. When alik does a push these changes will
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ChangeSet@stripped, 2007-06-07 19:35:29+04:00, anozdrin@ibm. +1 -0
  Add test case for BUG#27592: stack overrun when storing datetime
  value using prepared statements.

  tests/mysql_client_test.c@stripped, 2007-06-07 19:35:26+04:00, anozdrin@ibm. +54 -0
    Test case.

# This is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User:	anozdrin
# Host:	ibm.
# Root:	/home/alik/Documents/MySQL/devel/5.0-rt-bug275920-2

--- 1.227/tests/mysql_client_test.c	2007-05-26 00:35:58 +04:00
+++ 1.228/tests/mysql_client_test.c	2007-06-07 19:35:26 +04:00
@@ -15624,6 +15624,59 @@
 
 
 /*
+  Bug#27592 (stack overrun when storing datetime value using prepared statements)
+*/
+
+static void test_bug27592()
+{
+  const int NUM_ITERATIONS= 40;
+  int i;
+  int rc;
+  MYSQL_STMT *stmt= NULL;
+  MYSQL_BIND bind[1];
+  MYSQL_TIME time_val;
+
+  DBUG_ENTER("test_bug27592");
+  myheader("test_bug27592");
+
+  mysql_query(mysql, "DROP TABLE IF EXISTS t1");
+  mysql_query(mysql, "CREATE TABLE t1(c2 DATETIME)");
+
+  stmt= mysql_simple_prepare(mysql, "INSERT INTO t1 VALUES (?)");
+  DIE_UNLESS(stmt);
+
+  memset(bind, 0, sizeof(bind));
+
+  bind[0].buffer_type= MYSQL_TYPE_DATETIME;
+  bind[0].buffer= (char *) &time_val;
+  bind[0].length= NULL;
+
+  for (i= 0; i < NUM_ITERATIONS; i++)
+  {
+    time_val.year=1000+lrand48()%1000;
+    time_val.month=1+lrand48()%12;
+    time_val.day=1+lrand48()%31;
+    time_val.hour=lrand48()%23;
+    time_val.minute=lrand48()%59;
+    time_val.second=lrand48()%59;
+
+    time_val.second_part=0;
+    time_val.neg=0;
+
+    rc= mysql_stmt_bind_param(stmt, bind);
+    check_execute(stmt, rc);
+
+    rc= mysql_stmt_execute(stmt);
+    check_execute(stmt, rc);
+  }
+
+  mysql_stmt_close(stmt);
+
+  DBUG_VOID_RETURN;
+}
+
+
+/*
   Read and parse arguments and MySQL options from my.cnf
 */
 
@@ -15904,6 +15957,7 @@
   { "test_bug21635", test_bug21635 },
   { "test_bug24179", test_bug24179 },
   { "test_bug27876", test_bug27876 },
+  { "test_bug27592", test_bug27592 },
   { 0, 0 }
 };