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