1 files changed, 75 insertions, 0 deletions
diff --git a/tests/qtest/fuzz-virtio-scsi-test.c b/tests/qtest/fuzz-virtio-scsi-test.c
new file mode 100644
index 0000000000..aaf6d10e18
--- /dev/null
+++ b/tests/qtest/fuzz-virtio-scsi-test.c
@@ -0,0 +1,75 @@
+/*
+ * QTest fuzzer-generated testcase for virtio-scsi device
+ *
+ * Copyright (c) 2020 Li Qiang <liq3ea@gmail.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include "qemu/osdep.h"
+
+#include "libqos/libqtest.h"
+
+/*
+ * Here a MemoryRegionCache pointed to an MMIO region but had a
+ * larger size than the underlying region.
+ */
+static void test_mmio_oob_from_memory_region_cache(void)
+{
+    QTestState *s;
+
+    s = qtest_init("-M pc-q35-5.2 -display none -m 512M "
+                   "-device virtio-scsi,num_queues=8,addr=03.0 ");
+
+    qtest_outl(s, 0xcf8, 0x80001811);
+    qtest_outb(s, 0xcfc, 0x6e);
+    qtest_outl(s, 0xcf8, 0x80001824);
+    qtest_outl(s, 0xcf8, 0x80001813);
+    qtest_outl(s, 0xcfc, 0xa080000);
+    qtest_outl(s, 0xcf8, 0x80001802);
+    qtest_outl(s, 0xcfc, 0x5a175a63);
+    qtest_outb(s, 0x6e08, 0x9e);
+    qtest_writeb(s, 0x9f003, 0xff);
+    qtest_writeb(s, 0x9f004, 0x01);
+    qtest_writeb(s, 0x9e012, 0x0e);
+    qtest_writeb(s, 0x9e01b, 0x0e);
+    qtest_writeb(s, 0x9f006, 0x01);
+    qtest_writeb(s, 0x9f008, 0x01);
+    qtest_writeb(s, 0x9f00a, 0x01);
+    qtest_writeb(s, 0x9f00c, 0x01);
+    qtest_writeb(s, 0x9f00e, 0x01);
+    qtest_writeb(s, 0x9f010, 0x01);
+    qtest_writeb(s, 0x9f012, 0x01);
+    qtest_writeb(s, 0x9f014, 0x01);
+    qtest_writeb(s, 0x9f016, 0x01);
+    qtest_writeb(s, 0x9f018, 0x01);
+    qtest_writeb(s, 0x9f01a, 0x01);
+    qtest_writeb(s, 0x9f01c, 0x01);
+    qtest_writeb(s, 0x9f01e, 0x01);
+    qtest_writeb(s, 0x9f020, 0x01);
+    qtest_writeb(s, 0x9f022, 0x01);
+    qtest_writeb(s, 0x9f024, 0x01);
+    qtest_writeb(s, 0x9f026, 0x01);
+    qtest_writeb(s, 0x9f028, 0x01);
+    qtest_writeb(s, 0x9f02a, 0x01);
+    qtest_writeb(s, 0x9f02c, 0x01);
+    qtest_writeb(s, 0x9f02e, 0x01);
+    qtest_writeb(s, 0x9f030, 0x01);
+    qtest_outb(s, 0x6e10, 0x00);
+    qtest_quit(s);
+}
+
+int main(int argc, char **argv)
+{
+    const char *arch = qtest_get_arch();
+
+    g_test_init(&argc, &argv, NULL);
+
+    if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
+        qtest_add_func("fuzz/test_mmio_oob_from_memory_region_cache",
+                       test_mmio_oob_from_memory_region_cache);
+    }
+
+    return g_test_run();
+}