1 /* 2 * QTest fuzzer-generated testcase for virtio-scsi device 3 * 4 * Copyright (c) 2020 Li Qiang <liq3ea@gmail.com> 5 * 6 * This work is licensed under the terms of the GNU GPL, version 2 or later. 7 * See the COPYING file in the top-level directory. 8 */ 9 10 #include "qemu/osdep.h" 11 12 #include "libqtest.h" 13 14 /* 15 * Here a MemoryRegionCache pointed to an MMIO region but had a 16 * larger size than the underlying region. 17 */ 18 static void test_mmio_oob_from_memory_region_cache(void) 19 { 20 QTestState *s; 21 22 s = qtest_init("-M pc-q35-5.2 -display none -m 512M " 23 "-device virtio-scsi,num_queues=8,addr=03.0 "); 24 25 qtest_outl(s, 0xcf8, 0x80001811); 26 qtest_outb(s, 0xcfc, 0x6e); 27 qtest_outl(s, 0xcf8, 0x80001824); 28 qtest_outl(s, 0xcf8, 0x80001813); 29 qtest_outl(s, 0xcfc, 0xa080000); 30 qtest_outl(s, 0xcf8, 0x80001802); 31 qtest_outl(s, 0xcfc, 0x5a175a63); 32 qtest_outb(s, 0x6e08, 0x9e); 33 qtest_writeb(s, 0x9f003, 0xff); 34 qtest_writeb(s, 0x9f004, 0x01); 35 qtest_writeb(s, 0x9e012, 0x0e); 36 qtest_writeb(s, 0x9e01b, 0x0e); 37 qtest_writeb(s, 0x9f006, 0x01); 38 qtest_writeb(s, 0x9f008, 0x01); 39 qtest_writeb(s, 0x9f00a, 0x01); 40 qtest_writeb(s, 0x9f00c, 0x01); 41 qtest_writeb(s, 0x9f00e, 0x01); 42 qtest_writeb(s, 0x9f010, 0x01); 43 qtest_writeb(s, 0x9f012, 0x01); 44 qtest_writeb(s, 0x9f014, 0x01); 45 qtest_writeb(s, 0x9f016, 0x01); 46 qtest_writeb(s, 0x9f018, 0x01); 47 qtest_writeb(s, 0x9f01a, 0x01); 48 qtest_writeb(s, 0x9f01c, 0x01); 49 qtest_writeb(s, 0x9f01e, 0x01); 50 qtest_writeb(s, 0x9f020, 0x01); 51 qtest_writeb(s, 0x9f022, 0x01); 52 qtest_writeb(s, 0x9f024, 0x01); 53 qtest_writeb(s, 0x9f026, 0x01); 54 qtest_writeb(s, 0x9f028, 0x01); 55 qtest_writeb(s, 0x9f02a, 0x01); 56 qtest_writeb(s, 0x9f02c, 0x01); 57 qtest_writeb(s, 0x9f02e, 0x01); 58 qtest_writeb(s, 0x9f030, 0x01); 59 qtest_outb(s, 0x6e10, 0x00); 60 qtest_quit(s); 61 } 62 63 int main(int argc, char **argv) 64 { 65 g_test_init(&argc, &argv, NULL); 66 67 qtest_add_func("fuzz/test_mmio_oob_from_memory_region_cache", 68 test_mmio_oob_from_memory_region_cache); 69 70 return g_test_run(); 71 } 72