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Diffstat (limited to 'src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/test/tst/common/safety/tst.copyin2.d')
-rw-r--r--src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/test/tst/common/safety/tst.copyin2.d67
1 files changed, 67 insertions, 0 deletions
diff --git a/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/test/tst/common/safety/tst.copyin2.d b/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/test/tst/common/safety/tst.copyin2.d
new file mode 100644
index 00000000..aef09440
--- /dev/null
+++ b/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/test/tst/common/safety/tst.copyin2.d
@@ -0,0 +1,67 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident "%Z%%M% %I% %E% SMI"
+
+/*
+ * Test that there is no value of 'size' which can be passed to copyin
+ * to cause mischief. The somewhat odd order of operations ensures
+ * that we test both size = 0 and size = 0xfff...fff
+ */
+#include <sys/types.h>
+
+
+#if defined(_LP64)
+#define MAX_BITS 63
+size_t size;
+#else
+#define MAX_BITS 31
+size_t size;
+#endif
+
+syscall:::
+/pid == $pid/
+{
+ printf("size = 0x%lx\n", (ulong_t)size);
+}
+
+syscall:::
+/pid == $pid/
+{
+ tracemem(copyin(curthread->t_procp->p_user.u_envp, size), 10);
+}
+
+syscall:::
+/pid == $pid && size > (1 << MAX_BITS)/
+{
+ exit(0);
+}
+
+syscall:::
+/pid == $pid/
+{
+ size = (size << 1ULL) | 1ULL;
+}