[RFC PATCH 3/3] tests/qtest/intel-hda-test: Add reproducer for issue #542

[Philippe Mathieu-Daudé]

Include the qtest reproducer provided by Alexander Bulekov
in https://gitlab.com/qemu-project/qemu/-/issues/542.
Without the previous commit, we get:

  $ make check-qtest-i386
  ...
  Running test tests/qtest/intel-hda-test
  AddressSanitizer:DEADLYSIGNAL
  =================================================================
  ==1580408==ERROR: AddressSanitizer: stack-overflow on address 0x7ffc3d566fe0
      #0 0x63d297cf in address_space_translate_internal softmmu/physmem.c:356
      #1 0x63d27260 in flatview_do_translate softmmu/physmem.c:499:15
      #2 0x63d27af5 in flatview_translate softmmu/physmem.c:565:15
      #3 0x63d4ce84 in flatview_write softmmu/physmem.c:2850:10
      #4 0x63d4cb18 in address_space_write softmmu/physmem.c:2950:18
      #5 0x63d4d387 in address_space_rw softmmu/physmem.c:2960:16
      #6 0x62ae12f2 in dma_memory_rw_relaxed include/sysemu/dma.h:89:12
      #7 0x62ae104a in dma_memory_rw include/sysemu/dma.h:132:12
      #8 0x62ae6157 in dma_memory_write include/sysemu/dma.h:173:12
      #9 0x62ae5ec0 in stl_le_dma include/sysemu/dma.h:275:1
      #10 0x62ae5ba2 in stl_le_pci_dma include/hw/pci/pci.h:871:1
      #11 0x62ad59a6 in intel_hda_response hw/audio/intel-hda.c:372:12
      #12 0x62ad2afb in hda_codec_response hw/audio/intel-hda.c:107:5
      #13 0x62aec4e1 in hda_audio_command hw/audio/hda-codec.c:655:5
      #14 0x62ae05d9 in intel_hda_send_command hw/audio/intel-hda.c:307:5
      #15 0x62adff54 in intel_hda_corb_run hw/audio/intel-hda.c:342:9
      #16 0x62adc13b in intel_hda_set_corb_wp hw/audio/intel-hda.c:548:5
      #17 0x62ae5942 in intel_hda_reg_write hw/audio/intel-hda.c:977:9
      #18 0x62ada10a in intel_hda_mmio_write hw/audio/intel-hda.c:1054:5
      #19 0x63d8f383 in memory_region_write_accessor softmmu/memory.c:492:5
      #20 0x63d8ecc1 in access_with_adjusted_size softmmu/memory.c:554:18
      #21 0x63d8d5d6 in memory_region_dispatch_write softmmu/memory.c:1504:16
      #22 0x63d5e85e in flatview_write_continue softmmu/physmem.c:2812:23
      #23 0x63d4d05b in flatview_write softmmu/physmem.c:2854:12
      #24 0x63d4cb18 in address_space_write softmmu/physmem.c:2950:18
      #25 0x63d4d387 in address_space_rw softmmu/physmem.c:2960:16
      #26 0x62ae12f2 in dma_memory_rw_relaxed include/sysemu/dma.h:89:12
      #27 0x62ae104a in dma_memory_rw include/sysemu/dma.h:132:12
      #28 0x62ae6157 in dma_memory_write include/sysemu/dma.h:173:12
      #29 0x62ae5ec0 in stl_le_dma include/sysemu/dma.h:275:1
      #30 0x62ae5ba2 in stl_le_pci_dma include/hw/pci/pci.h:871:1
      #31 0x62ad59a6 in intel_hda_response hw/audio/intel-hda.c:372:12
      #32 0x62ad2afb in hda_codec_response hw/audio/intel-hda.c:107:5
      #33 0x62aec4e1 in hda_audio_command hw/audio/hda-codec.c:655:5
      #34 0x62ae05d9 in intel_hda_send_command hw/audio/intel-hda.c:307:5
      #35 0x62adff54 in intel_hda_corb_run hw/audio/intel-hda.c:342:9
      #36 0x62adc13b in intel_hda_set_corb_wp hw/audio/intel-hda.c:548:5
      #37 0x62ae5942 in intel_hda_reg_write hw/audio/intel-hda.c:977:9
      #38 0x62ada10a in intel_hda_mmio_write hw/audio/intel-hda.c:1054:5
      #39 0x63d8f383 in memory_region_write_accessor softmmu/memory.c:492:5
      #40 0x63d8ecc1 in access_with_adjusted_size softmmu/memory.c:554:18
      #41 0x63d8d5d6 in memory_region_dispatch_write softmmu/memory.c:1504:16
      #42 0x63d5e85e in flatview_write_continue softmmu/physmem.c:2812:23
      #43 0x63d4d05b in flatview_write softmmu/physmem.c:2854:12
      #44 0x63d4cb18 in address_space_write softmmu/physmem.c:2950:18
      #45 0x63d4d387 in address_space_rw softmmu/physmem.c:2960:16
      #46 0x62ae12f2 in dma_memory_rw_relaxed include/sysemu/dma.h:89:12
      #47 0x62ae104a in dma_memory_rw include/sysemu/dma.h:132:12
      #48 0x62ae6157 in dma_memory_write include/sysemu/dma.h:173:12
      ...
  SUMMARY: AddressSanitizer: stack-overflow softmmu/physmem.c:356 in 
address_space_translate_internal
  ==1580408==ABORTING
  Broken pipe
  Aborted (core dumped)

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
 tests/qtest/intel-hda-test.c | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/tests/qtest/intel-hda-test.c b/tests/qtest/intel-hda-test.c
index fc25ccc33cc..a58c98e4d11 100644
--- a/tests/qtest/intel-hda-test.c
+++ b/tests/qtest/intel-hda-test.c
@@ -29,11 +29,45 @@ static void ich9_test(void)
     qtest_end();
 }
 
+/*
+ * https://gitlab.com/qemu-project/qemu/-/issues/542
+ * Used to trigger:
+ *  AddressSanitizer: stack-overflow
+ */
+static void test_issue542_ich6(void)
+{
+    QTestState *s;
+
+    s = qtest_init("-nographic -nodefaults -M pc-q35-6.2 "
+                   "-device intel-hda,id=" HDA_ID CODEC_DEVICES);
+
+    qtest_outl(s, 0xcf8, 0x80000804);
+    qtest_outw(s, 0xcfc, 0x06);
+    qtest_bufwrite(s, 0xff0d060f, "\x03", 1);
+    qtest_bufwrite(s, 0x0, "\x12", 1);
+    qtest_bufwrite(s, 0x2, "\x2a", 1);
+    qtest_writeb(s, 0x0, 0x12);
+    qtest_writeb(s, 0x2, 0x2a);
+    qtest_outl(s, 0xcf8, 0x80000811);
+    qtest_outl(s, 0xcfc, 0x006a4400);
+    qtest_bufwrite(s, 0x6a44005a, "\x01", 1);
+    qtest_bufwrite(s, 0x6a44005c, "\x02", 1);
+    qtest_bufwrite(s, 0x6a442050, "\x00\x00\x44\x6a", 4);
+    qtest_bufwrite(s, 0x6a44204a, "\x01", 1);
+    qtest_bufwrite(s, 0x6a44204c, "\x02", 1);
+    qtest_bufwrite(s, 0x6a44005c, "\x02", 1);
+    qtest_bufwrite(s, 0x6a442050, "\x00\x00\x44\x6a", 4);
+    qtest_bufwrite(s, 0x6a44204a, "\x01", 1);
+    qtest_bufwrite(s, 0x6a44204c, "\x02", 1);
+    qtest_quit(s);
+}
+
 int main(int argc, char **argv)
 {
     g_test_init(&argc, &argv, NULL);
     qtest_add_func("/intel-hda/ich6", ich6_test);
     qtest_add_func("/intel-hda/ich9", ich9_test);
+    qtest_add_func("/intel-hda/fuzz/issue542", test_issue542_ich6);
 
     return g_test_run();
 }
-- 
2.33.1