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tests/qtest: Add fuzz-lsi53c895a-test 

Without the previous commit, this test triggers:

  $ make check-qtest-x86_64
  [...]
  Running test qtest-x86_64/fuzz-lsi53c895a-test
  qemu-system-x86_64: hw/scsi/lsi53c895a.c:624: lsi_do_dma: Assertion `s->current' failed.
  ERROR qtest-x86_64/fuzz-lsi53c895a-test - too few tests run (expected 1, got 0)

Suggested-by: Alexander Bulekov <alxndr@bu.edu>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Message-Id: <20211123111732.83137-3-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Philippe Mathieu-Daudé 2021-11-23 12:17:32 +01:00 committed by Paolo Bonzini
parent 4051a1f062
commit aa62976c9d
3 changed files with 54 additions and 0 deletions
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1
MAINTAINERS
View File

@ -1825,6 +1825,7 @@ F: hw/scsi/*
F: tests/qtest/virtio-scsi-test.c
F: tests/qtest/fuzz-virtio-scsi-test.c
F: tests/qtest/am53c974-test.c
F: tests/qtest/fuzz-lsi53c895a-test.c
T: git https://github.com/bonzini/qemu.git scsi-next
SSI

52
tests/qtest/fuzz-lsi53c895a-test.c Normal file
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@ -0,0 +1,52 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* QTest fuzzer-generated testcase for LSI53C895A device
*
* Copyright (c) Red Hat
*/
#include "qemu/osdep.h"
#include "libqos/libqtest.h"
/*
* This used to trigger the assert in lsi_do_dma()
* https://bugs.launchpad.net/qemu/+bug/697510
* https://bugs.launchpad.net/qemu/+bug/1905521
* https://bugs.launchpad.net/qemu/+bug/1908515
*/
static void test_lsi_do_dma_empty_queue(void)
{
QTestState *s;
s = qtest_init("-M q35 -nographic -monitor none -serial none "
"-drive if=none,id=drive0,"
"file=null-co://,file.read-zeroes=on,format=raw "
"-device lsi53c895a,id=scsi0 "
"-device scsi-hd,drive=drive0,"
"bus=scsi0.0,channel=0,scsi-id=0,lun=0");
qtest_outl(s, 0xcf8, 0x80001814);
qtest_outl(s, 0xcfc, 0xe1068000);
qtest_outl(s, 0xcf8, 0x80001818);
qtest_outl(s, 0xcf8, 0x80001804);
qtest_outw(s, 0xcfc, 0x7);
qtest_outl(s, 0xcf8, 0x80002010);
qtest_writeb(s, 0xe106802e, 0xff); /* Fill DSP bits 16-23 */
qtest_writeb(s, 0xe106802f, 0xff); /* Fill DSP bits 24-31: trigger SCRIPT */
qtest_quit(s);
}
int main(int argc, char **argv)
{
const char *arch = qtest_get_arch();
g_test_init(&argc, &argv, NULL);
if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
qtest_add_func("fuzz/lsi53c895a/lsi_do_dma_empty_queue",
test_lsi_do_dma_empty_queue);
}
return g_test_run();
}

1
tests/qtest/meson.build
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@ -19,6 +19,7 @@ slow_qtests = {
qtests_generic = \
(config_all_devices.has_key('CONFIG_MEGASAS_SCSI_PCI') ? ['fuzz-megasas-test'] : []) + \
(config_all_devices.has_key('CONFIG_LSI_SCSI_PCI') ? ['fuzz-lsi53c895a-test'] : []) + \
(config_all_devices.has_key('CONFIG_VIRTIO_SCSI') ? ['fuzz-virtio-scsi-test'] : []) + \
(config_all_devices.has_key('CONFIG_SB16') ? ['fuzz-sb16-test'] : []) + \
(config_all_devices.has_key('CONFIG_SDHCI_PCI') ? ['fuzz-sdcard-test'] : []) + \