qemu

FORK: QEMU emulator
git clone https://git.neptards.moe/neptards/qemu.git
Log | Files | Refs | Submodules | LICENSE

fuzz-megasas-test.c (2363B)

      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 "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 /*
     38  * Overflow SGL buffer.
     39  * https://gitlab.com/qemu-project/qemu/-/issues/521
     40  */
     41 static void test_gitlab_issue521_megasas_sgl_ovf(void)
     42 {
     43     QTestState *s = qtest_init("-m 32M -machine q35 "
     44                                "-nodefaults -device megasas "
     45                                "-device scsi-cd,drive=null0 "
     46                                "-blockdev "
     47                                "driver=null-co,read-zeroes=on,node-name=null0");
     48     qtest_outl(s, 0xcf8, 0x80000818);
     49     qtest_outl(s, 0xcfc, 0xc000);
     50     qtest_outl(s, 0xcf8, 0x80000804);
     51     qtest_outw(s, 0xcfc, 0x05);
     52     qtest_bufwrite(s, 0x0, "\x01", 0x1);
     53     qtest_bufwrite(s, 0x7, "\x01", 0x1);
     54     qtest_bufwrite(s, 0x10, "\x02", 0x1);
     55     qtest_bufwrite(s, 0x16, "\x01", 0x1);
     56     qtest_bufwrite(s, 0x28, "\x01", 0x1);
     57     qtest_bufwrite(s, 0x33, "\x01", 0x1);
     58     qtest_outb(s, 0xc040, 0x0);
     59     qtest_outb(s, 0xc040, 0x20);
     60     qtest_outl(s, 0xc040, 0x20000000);
     61     qtest_outb(s, 0xc040, 0x20);
     62     qtest_quit(s);
     63 }
     64 
     65 int main(int argc, char **argv)
     66 {
     67     g_test_init(&argc, &argv, NULL);
     68 
     69     qtest_add_func("fuzz/test_lp1878263_megasas_zero_iov_cnt",
     70                    test_lp1878263_megasas_zero_iov_cnt);
     71     qtest_add_func("fuzz/gitlab_issue521_megasas_sgl_ovf",
     72                    test_gitlab_issue521_megasas_sgl_ovf);
     73 
     74     return g_test_run();
     75 }