1 /*
2  * QTest fuzzer-generated testcase for megasas 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 "libqos/libqtest.h"
13 
14 /*
15  * This used to trigger the assert in scsi_dma_complete
16  * https://bugs.launchpad.net/qemu/+bug/1878263
17  */
18 static void test_lp1878263_megasas_zero_iov_cnt(void)
19 {
20     QTestState *s;
21 
22     s = qtest_init("-nographic -monitor none -serial none "
23                    "-M q35 -device megasas -device scsi-cd,drive=null0 "
24                    "-blockdev driver=null-co,read-zeroes=on,node-name=null0");
25     qtest_outl(s, 0xcf8, 0x80001818);
26     qtest_outl(s, 0xcfc, 0xc101);
27     qtest_outl(s, 0xcf8, 0x8000181c);
28     qtest_outl(s, 0xcf8, 0x80001804);
29     qtest_outw(s, 0xcfc, 0x7);
30     qtest_outl(s, 0xcf8, 0x8000186a);
31     qtest_writeb(s, 0x14, 0xfe);
32     qtest_writeb(s, 0x0, 0x02);
33     qtest_outb(s, 0xc1c0, 0x17);
34     qtest_quit(s);
35 }
36 
37 int main(int argc, char **argv)
38 {
39     const char *arch = qtest_get_arch();
40 
41     g_test_init(&argc, &argv, NULL);
42 
43     if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
44         qtest_add_func("fuzz/test_lp1878263_megasas_zero_iov_cnt",
45                        test_lp1878263_megasas_zero_iov_cnt);
46     }
47 
48     return g_test_run();
49 }
50