1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * QTest fuzzer-generated testcase for LSI53C895A device 4 * 5 * Copyright (c) Red Hat 6 */ 7 8 #include "qemu/osdep.h" 9 #include "libqtest.h" 10 11 /* 12 * This used to trigger a UAF in lsi_do_msgout() 13 * https://gitlab.com/qemu-project/qemu/-/issues/972 14 */ 15 static void test_lsi_do_msgout_cancel_req(void) 16 { 17 QTestState *s; 18 19 if (sizeof(void *) == 4) { 20 g_test_skip("memory size too big for 32-bit build"); 21 return; 22 } 23 24 s = qtest_init("-M q35 -m 2G -nodefaults " 25 "-device lsi53c895a,id=scsi " 26 "-device scsi-hd,drive=disk0 " 27 "-drive file=null-co://,id=disk0,if=none,format=raw"); 28 29 qtest_outl(s, 0xcf8, 0x80000810); 30 qtest_outl(s, 0xcf8, 0xc000); 31 qtest_outl(s, 0xcf8, 0x80000810); 32 qtest_outw(s, 0xcfc, 0x7); 33 qtest_outl(s, 0xcf8, 0x80000810); 34 qtest_outl(s, 0xcfc, 0xc000); 35 qtest_outl(s, 0xcf8, 0x80000804); 36 qtest_outw(s, 0xcfc, 0x05); 37 qtest_writeb(s, 0x69736c10, 0x08); 38 qtest_writeb(s, 0x69736c13, 0x58); 39 qtest_writeb(s, 0x69736c1a, 0x01); 40 qtest_writeb(s, 0x69736c1b, 0x06); 41 qtest_writeb(s, 0x69736c22, 0x01); 42 qtest_writeb(s, 0x69736c23, 0x07); 43 qtest_writeb(s, 0x69736c2b, 0x02); 44 qtest_writeb(s, 0x69736c48, 0x08); 45 qtest_writeb(s, 0x69736c4b, 0x58); 46 qtest_writeb(s, 0x69736c52, 0x04); 47 qtest_writeb(s, 0x69736c53, 0x06); 48 qtest_writeb(s, 0x69736c5b, 0x02); 49 qtest_outl(s, 0xc02d, 0x697300); 50 qtest_writeb(s, 0x5a554662, 0x01); 51 qtest_writeb(s, 0x5a554663, 0x07); 52 qtest_writeb(s, 0x5a55466a, 0x10); 53 qtest_writeb(s, 0x5a55466b, 0x22); 54 qtest_writeb(s, 0x5a55466c, 0x5a); 55 qtest_writeb(s, 0x5a55466d, 0x5a); 56 qtest_writeb(s, 0x5a55466e, 0x34); 57 qtest_writeb(s, 0x5a55466f, 0x5a); 58 qtest_writeb(s, 0x5a345a5a, 0x77); 59 qtest_writeb(s, 0x5a345a5b, 0x55); 60 qtest_writeb(s, 0x5a345a5c, 0x51); 61 qtest_writeb(s, 0x5a345a5d, 0x27); 62 qtest_writeb(s, 0x27515577, 0x41); 63 qtest_outl(s, 0xc02d, 0x5a5500); 64 qtest_writeb(s, 0x364001d0, 0x08); 65 qtest_writeb(s, 0x364001d3, 0x58); 66 qtest_writeb(s, 0x364001da, 0x01); 67 qtest_writeb(s, 0x364001db, 0x26); 68 qtest_writeb(s, 0x364001dc, 0x0d); 69 qtest_writeb(s, 0x364001dd, 0xae); 70 qtest_writeb(s, 0x364001de, 0x41); 71 qtest_writeb(s, 0x364001df, 0x5a); 72 qtest_writeb(s, 0x5a41ae0d, 0xf8); 73 qtest_writeb(s, 0x5a41ae0e, 0x36); 74 qtest_writeb(s, 0x5a41ae0f, 0xd7); 75 qtest_writeb(s, 0x5a41ae10, 0x36); 76 qtest_writeb(s, 0x36d736f8, 0x0c); 77 qtest_writeb(s, 0x36d736f9, 0x80); 78 qtest_writeb(s, 0x36d736fa, 0x0d); 79 qtest_outl(s, 0xc02d, 0x364000); 80 81 qtest_quit(s); 82 } 83 84 /* 85 * This used to trigger the assert in lsi_do_dma() 86 * https://bugs.launchpad.net/qemu/+bug/697510 87 * https://bugs.launchpad.net/qemu/+bug/1905521 88 * https://bugs.launchpad.net/qemu/+bug/1908515 89 */ 90 static void test_lsi_do_dma_empty_queue(void) 91 { 92 QTestState *s; 93 94 s = qtest_init("-M q35 -nographic -monitor none -serial none " 95 "-drive if=none,id=drive0," 96 "file=null-co://,file.read-zeroes=on,format=raw " 97 "-device lsi53c895a,id=scsi0 " 98 "-device scsi-hd,drive=drive0," 99 "bus=scsi0.0,channel=0,scsi-id=0,lun=0"); 100 qtest_outl(s, 0xcf8, 0x80001814); 101 qtest_outl(s, 0xcfc, 0xe1068000); 102 qtest_outl(s, 0xcf8, 0x80001818); 103 qtest_outl(s, 0xcf8, 0x80001804); 104 qtest_outw(s, 0xcfc, 0x7); 105 qtest_outl(s, 0xcf8, 0x80002010); 106 107 qtest_writeb(s, 0xe106802e, 0xff); /* Fill DSP bits 16-23 */ 108 qtest_writeb(s, 0xe106802f, 0xff); /* Fill DSP bits 24-31: trigger SCRIPT */ 109 110 qtest_quit(s); 111 } 112 113 int main(int argc, char **argv) 114 { 115 g_test_init(&argc, &argv, NULL); 116 117 if (!qtest_has_device("lsi53c895a")) { 118 return 0; 119 } 120 121 qtest_add_func("fuzz/lsi53c895a/lsi_do_dma_empty_queue", 122 test_lsi_do_dma_empty_queue); 123 124 qtest_add_func("fuzz/lsi53c895a/lsi_do_msgout_cancel_req", 125 test_lsi_do_msgout_cancel_req); 126 127 return g_test_run(); 128 } 129