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[Qemu-devel] [PATCH] qtest: add a fuzz test to fdc-test
From: |
Blue Swirl |
Subject: |
[Qemu-devel] [PATCH] qtest: add a fuzz test to fdc-test |
Date: |
Sat, 19 May 2012 12:54:19 +0000 |
Add a simple register fuzzing test to floppy controller tests.
Signed-off-by: Blue Swirl <address@hidden>
---
There's a lot of output like:
GTESTER check-qtest-i386
FLOPPY ERROR: fdctrl_read_data: controller not ready for reading
FLOPPY ERROR: fdctrl_read_data: controller not ready for reading
FLOPPY ERROR: fdctrl_unimplemented: unimplemented command 0x1f
FLOPPY ERROR: fdctrl_unimplemented: unimplemented command 0xa8
FLOPPY ERROR: fdctrl_read_data: controller not ready for reading
FLOPPY ERROR: fdctrl_read_data: controller not ready for reading
FLOPPY ERROR: fdctrl_read_data: controller not ready for reading
FLOPPY ERROR: fdctrl_unimplemented: unimplemented command 0x37
FLOPPY ERROR: fdctrl_read_data: controller not ready for reading
FLOPPY ERROR: fdctrl_read_data: controller not ready for reading
FLOPPY ERROR: fdctrl_read_data: controller not ready for reading
FLOPPY ERROR: fdctrl_read_data: controller not ready for reading
FLOPPY ERROR: fdctrl_read_data: controller not ready for reading
FLOPPY ERROR: fdctrl_read_data: controller not ready for reading
FLOPPY ERROR: fdctrl_unimplemented: unimplemented command 0x93
FLOPPY ERROR: fdctrl_unimplemented: unimplemented command 0xe4
FLOPPY ERROR: fdctrl_unimplemented: unimplemented command 0xc1
FLOPPY ERROR: fdctrl_unimplemented: unimplemented command 0x92
Maybe they should be fixed first.
---
tests/fdc-test.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/tests/fdc-test.c b/tests/fdc-test.c
index 5b5dd74..5a22a31 100644
--- a/tests/fdc-test.c
+++ b/tests/fdc-test.c
@@ -154,6 +154,22 @@ static void test_media_change(void)
assert_bit_clear(dir, DSKCHG);
}
+/* success if no crash or abort */
+static void fuzz_registers(void)
+{
+ unsigned int i;
+
+ for (i = 0; i < 1000; i++) {
+ uint8_t reg, val;
+
+ reg = (uint8_t)g_test_rand_int_range(0, 8);
+ val = (uint8_t)g_test_rand_int_range(0, 256);
+
+ outb(FLOPPY_BASE + reg, val);
+ inb(FLOPPY_BASE + reg);
+ }
+}
+
int main(int argc, char **argv)
{
const char *arch = qtest_get_arch();
@@ -184,6 +200,7 @@ int main(int argc, char **argv)
qtest_start(cmdline);
qtest_irq_intercept_in(global_qtest, "ioapic");
qtest_add_func("/fdc/media_change", test_media_change);
+ qtest_add_func("/fdc/fuzz-registers", fuzz_registers);
ret = g_test_run();
--
1.7.10
0001-qtest-add-a-fuzz-test-to-fdc-test.patch
Description: Text Data
- [Qemu-devel] [PATCH] qtest: add a fuzz test to fdc-test,
Blue Swirl <=