1*d8dd1095SLi Qiang /* 2*d8dd1095SLi Qiang * QTest testcase for fuzz case 3*d8dd1095SLi Qiang * 4*d8dd1095SLi Qiang * Copyright (c) 2020 Li Qiang <liq3ea@gmail.com> 5*d8dd1095SLi Qiang * 6*d8dd1095SLi Qiang * This work is licensed under the terms of the GNU GPL, version 2 or later. 7*d8dd1095SLi Qiang * See the COPYING file in the top-level directory. 8*d8dd1095SLi Qiang */ 9*d8dd1095SLi Qiang 10*d8dd1095SLi Qiang #include "qemu/osdep.h" 11*d8dd1095SLi Qiang 12*d8dd1095SLi Qiang #include "libqos/libqtest.h" 13*d8dd1095SLi Qiang 14*d8dd1095SLi Qiang /* 15*d8dd1095SLi Qiang * This used to trigger the assert in scsi_dma_complete 16*d8dd1095SLi Qiang * https://bugs.launchpad.net/qemu/+bug/1878263 17*d8dd1095SLi Qiang */ 18*d8dd1095SLi Qiang static void test_lp1878263_megasas_zero_iov_cnt(void) 19*d8dd1095SLi Qiang { 20*d8dd1095SLi Qiang QTestState *s; 21*d8dd1095SLi Qiang 22*d8dd1095SLi Qiang s = qtest_init("-nographic -monitor none -serial none " 23*d8dd1095SLi Qiang "-M q35 -device megasas -device scsi-cd,drive=null0 " 24*d8dd1095SLi Qiang "-blockdev driver=null-co,read-zeroes=on,node-name=null0"); 25*d8dd1095SLi Qiang qtest_outl(s, 0xcf8, 0x80001818); 26*d8dd1095SLi Qiang qtest_outl(s, 0xcfc, 0xc101); 27*d8dd1095SLi Qiang qtest_outl(s, 0xcf8, 0x8000181c); 28*d8dd1095SLi Qiang qtest_outl(s, 0xcf8, 0x80001804); 29*d8dd1095SLi Qiang qtest_outw(s, 0xcfc, 0x7); 30*d8dd1095SLi Qiang qtest_outl(s, 0xcf8, 0x8000186a); 31*d8dd1095SLi Qiang qtest_writeb(s, 0x14, 0xfe); 32*d8dd1095SLi Qiang qtest_writeb(s, 0x0, 0x02); 33*d8dd1095SLi Qiang qtest_outb(s, 0xc1c0, 0x17); 34*d8dd1095SLi Qiang qtest_quit(s); 35*d8dd1095SLi Qiang } 36*d8dd1095SLi Qiang 37*d8dd1095SLi Qiang int main(int argc, char **argv) 38*d8dd1095SLi Qiang { 39*d8dd1095SLi Qiang const char *arch = qtest_get_arch(); 40*d8dd1095SLi Qiang 41*d8dd1095SLi Qiang g_test_init(&argc, &argv, NULL); 42*d8dd1095SLi Qiang 43*d8dd1095SLi Qiang if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) { 44*d8dd1095SLi Qiang qtest_add_func("fuzz/test_lp1878263_megasas_zero_iov_cnt", 45*d8dd1095SLi Qiang test_lp1878263_megasas_zero_iov_cnt); 46*d8dd1095SLi Qiang } 47*d8dd1095SLi Qiang 48*d8dd1095SLi Qiang return g_test_run(); 49*d8dd1095SLi Qiang } 50