76 lines
2.3 KiB
C
76 lines
2.3 KiB
C
/*
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* QTest fuzzer-generated testcase for megasas device
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*
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* Copyright (c) 2020 Li Qiang <liq3ea@gmail.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#include "qemu/osdep.h"
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#include "libqtest.h"
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/*
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* This used to trigger the assert in scsi_dma_complete
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* https://bugs.launchpad.net/qemu/+bug/1878263
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*/
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static void test_lp1878263_megasas_zero_iov_cnt(void)
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{
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QTestState *s;
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s = qtest_init("-nographic -monitor none -serial none "
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"-M q35 -device megasas -device scsi-cd,drive=null0 "
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"-blockdev driver=null-co,read-zeroes=on,node-name=null0");
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qtest_outl(s, 0xcf8, 0x80001818);
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qtest_outl(s, 0xcfc, 0xc101);
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qtest_outl(s, 0xcf8, 0x8000181c);
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qtest_outl(s, 0xcf8, 0x80001804);
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qtest_outw(s, 0xcfc, 0x7);
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qtest_outl(s, 0xcf8, 0x8000186a);
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qtest_writeb(s, 0x14, 0xfe);
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qtest_writeb(s, 0x0, 0x02);
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qtest_outb(s, 0xc1c0, 0x17);
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qtest_quit(s);
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}
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/*
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* Overflow SGL buffer.
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* https://gitlab.com/qemu-project/qemu/-/issues/521
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*/
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static void test_gitlab_issue521_megasas_sgl_ovf(void)
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{
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QTestState *s = qtest_init("-display none -m 32M -machine q35 "
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"-nodefaults -device megasas "
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"-device scsi-cd,drive=null0 "
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"-blockdev "
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"driver=null-co,read-zeroes=on,node-name=null0");
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qtest_outl(s, 0xcf8, 0x80000818);
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qtest_outl(s, 0xcfc, 0xc000);
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qtest_outl(s, 0xcf8, 0x80000804);
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qtest_outw(s, 0xcfc, 0x05);
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qtest_bufwrite(s, 0x0, "\x01", 0x1);
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qtest_bufwrite(s, 0x7, "\x01", 0x1);
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qtest_bufwrite(s, 0x10, "\x02", 0x1);
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qtest_bufwrite(s, 0x16, "\x01", 0x1);
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qtest_bufwrite(s, 0x28, "\x01", 0x1);
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qtest_bufwrite(s, 0x33, "\x01", 0x1);
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qtest_outb(s, 0xc040, 0x0);
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qtest_outb(s, 0xc040, 0x20);
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qtest_outl(s, 0xc040, 0x20000000);
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qtest_outb(s, 0xc040, 0x20);
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qtest_quit(s);
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}
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int main(int argc, char **argv)
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{
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g_test_init(&argc, &argv, NULL);
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qtest_add_func("fuzz/test_lp1878263_megasas_zero_iov_cnt",
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test_lp1878263_megasas_zero_iov_cnt);
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qtest_add_func("fuzz/gitlab_issue521_megasas_sgl_ovf",
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test_gitlab_issue521_megasas_sgl_ovf);
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return g_test_run();
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}
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