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-rw-r--r--tests/qtest/fuzz-sdcard-test.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/tests/qtest/fuzz-sdcard-test.c b/tests/qtest/fuzz-sdcard-test.c
index 96602eac7e..ae14305344 100644
--- a/tests/qtest/fuzz-sdcard-test.c
+++ b/tests/qtest/fuzz-sdcard-test.c
@@ -52,6 +52,41 @@ static void oss_fuzz_29225(void)
     qtest_quit(s);
 }
 
+/*
+ * https://gitlab.com/qemu-project/qemu/-/issues/495
+ * Used to trigger:
+ *  Assertion `wpnum < sd->wpgrps_size' failed.
+ */
+static void oss_fuzz_36217(void)
+{
+    QTestState *s;
+
+    s = qtest_init(" -display none -m 32 -nodefaults -nographic"
+                   " -device sdhci-pci,sd-spec-version=3 "
+                   "-device sd-card,drive=d0 "
+                   "-drive if=none,index=0,file=null-co://,format=raw,id=d0");
+
+    qtest_outl(s, 0xcf8, 0x80001010);
+    qtest_outl(s, 0xcfc, 0xe0000000);
+    qtest_outl(s, 0xcf8, 0x80001004);
+    qtest_outw(s, 0xcfc, 0x02);
+    qtest_bufwrite(s, 0xe000002c, "\x05", 0x1);
+    qtest_bufwrite(s, 0xe000000f, "\x37", 0x1);
+    qtest_bufwrite(s, 0xe000000a, "\x01", 0x1);
+    qtest_bufwrite(s, 0xe000000f, "\x29", 0x1);
+    qtest_bufwrite(s, 0xe000000f, "\x02", 0x1);
+    qtest_bufwrite(s, 0xe000000f, "\x03", 0x1);
+    qtest_bufwrite(s, 0xe0000005, "\x01", 0x1);
+    qtest_bufwrite(s, 0xe000000f, "\x06", 0x1);
+    qtest_bufwrite(s, 0xe000000c, "\x05", 0x1);
+    qtest_bufwrite(s, 0xe000000e, "\x20", 0x1);
+    qtest_bufwrite(s, 0xe000000f, "\x08", 0x1);
+    qtest_bufwrite(s, 0xe000000b, "\x3d", 0x1);
+    qtest_bufwrite(s, 0xe000000f, "\x1e", 0x1);
+
+    qtest_quit(s);
+}
+
 int main(int argc, char **argv)
 {
     const char *arch = qtest_get_arch();
@@ -60,6 +95,7 @@ int main(int argc, char **argv)
 
    if (strcmp(arch, "i386") == 0) {
         qtest_add_func("fuzz/sdcard/oss_fuzz_29225", oss_fuzz_29225);
+        qtest_add_func("fuzz/sdcard/oss_fuzz_36217", oss_fuzz_36217);
    }
 
    return g_test_run();