tests/qtest/fuzz-test.c

   1 /*
   2  * QTest testcase for fuzz case
   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 static void test_lp1878642_pci_bus_get_irq_level_assert(void)
  38 {
  39     QTestState *s;
  40
  41     s = qtest_init("-M pc-q35-5.0 "
  42                    "-nographic -monitor none -serial none");
  43
  44     qtest_outl(s, 0xcf8, 0x8400f841);
  45     qtest_outl(s, 0xcfc, 0xebed205d);
  46     qtest_outl(s, 0x5d02, 0xebed205d);
  47     qtest_quit(s);
  48 }
  49
  50 /*
  51  * Here a MemoryRegionCache pointed to an MMIO region but had a
  52  * larger size than the underlying region.
  53  */
  54 static void test_mmio_oob_from_memory_region_cache(void)
  55 {
  56     QTestState *s;
  57
  58     s = qtest_init("-M pc-q35-5.2 -display none -m 512M "
  59                    "-device virtio-scsi,num_queues=8,addr=03.0 ");
  60
  61     qtest_outl(s, 0xcf8, 0x80001811);
  62     qtest_outb(s, 0xcfc, 0x6e);
  63     qtest_outl(s, 0xcf8, 0x80001824);
  64     qtest_outl(s, 0xcf8, 0x80001813);
  65     qtest_outl(s, 0xcfc, 0xa080000);
  66     qtest_outl(s, 0xcf8, 0x80001802);
  67     qtest_outl(s, 0xcfc, 0x5a175a63);
  68     qtest_outb(s, 0x6e08, 0x9e);
  69     qtest_writeb(s, 0x9f003, 0xff);
  70     qtest_writeb(s, 0x9f004, 0x01);
  71     qtest_writeb(s, 0x9e012, 0x0e);
  72     qtest_writeb(s, 0x9e01b, 0x0e);
  73     qtest_writeb(s, 0x9f006, 0x01);
  74     qtest_writeb(s, 0x9f008, 0x01);
  75     qtest_writeb(s, 0x9f00a, 0x01);
  76     qtest_writeb(s, 0x9f00c, 0x01);
  77     qtest_writeb(s, 0x9f00e, 0x01);
  78     qtest_writeb(s, 0x9f010, 0x01);
  79     qtest_writeb(s, 0x9f012, 0x01);
  80     qtest_writeb(s, 0x9f014, 0x01);
  81     qtest_writeb(s, 0x9f016, 0x01);
  82     qtest_writeb(s, 0x9f018, 0x01);
  83     qtest_writeb(s, 0x9f01a, 0x01);
  84     qtest_writeb(s, 0x9f01c, 0x01);
  85     qtest_writeb(s, 0x9f01e, 0x01);
  86     qtest_writeb(s, 0x9f020, 0x01);
  87     qtest_writeb(s, 0x9f022, 0x01);
  88     qtest_writeb(s, 0x9f024, 0x01);
  89     qtest_writeb(s, 0x9f026, 0x01);
  90     qtest_writeb(s, 0x9f028, 0x01);
  91     qtest_writeb(s, 0x9f02a, 0x01);
  92     qtest_writeb(s, 0x9f02c, 0x01);
  93     qtest_writeb(s, 0x9f02e, 0x01);
  94     qtest_writeb(s, 0x9f030, 0x01);
  95     qtest_outb(s, 0x6e10, 0x00);
  96     qtest_quit(s);
  97 }
  98
  99 int main(int argc, char **argv)
 100 {
 101     const char *arch = qtest_get_arch();
 102
 103     g_test_init(&argc, &argv, NULL);
 104
 105     if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
 106         qtest_add_func("fuzz/test_lp1878263_megasas_zero_iov_cnt",
 107                        test_lp1878263_megasas_zero_iov_cnt);
 108         qtest_add_func("fuzz/test_lp1878642_pci_bus_get_irq_level_assert",
 109                        test_lp1878642_pci_bus_get_irq_level_assert);
 110         qtest_add_func("fuzz/test_mmio_oob_from_memory_region_cache",
 111                        test_mmio_oob_from_memory_region_cache);
 112     }
 113
 114     return g_test_run();
 115 }