1 files changed, 27 insertions, 0 deletions
diff --git a/src/libs/3rdparty/winpty/misc/WindowsBugCrashReader.cc b/src/libs/3rdparty/winpty/misc/WindowsBugCrashReader.cc
new file mode 100644
index 0000000000..e6d9558df6
--- /dev/null
+++ b/src/libs/3rdparty/winpty/misc/WindowsBugCrashReader.cc
@@ -0,0 +1,27 @@
+// I noticed this on the ConEmu web site:
+//
+// https://social.msdn.microsoft.com/Forums/en-US/40c8e395-cca9-45c8-b9b8-2fbe6782ac2b/readconsoleoutput-cause-access-violation-writing-location-exception
+// https://conemu.github.io/en/MicrosoftBugs.html
+//
+// In Windows 7, 8, and 8.1, a ReadConsoleOutputW with an out-of-bounds read
+// region crashes the application.  I have reproduced the problem on Windows 8
+// and 8.1, but not on Windows 7.
+//
+
+#include <windows.h>
+
+#include "TestUtil.cc"
+
+int main() {
+    setWindowPos(0, 0, 1, 1);
+    setBufferSize(80, 25);
+    setWindowPos(0, 0, 80, 25);
+
+    const HANDLE conout = openConout();
+    static CHAR_INFO lineBuf[80];
+    SMALL_RECT readRegion = { 0, 999, 79, 999 };
+    const BOOL ret = ReadConsoleOutputW(conout, lineBuf, {80, 1}, {0, 0}, &readRegion);
+    ASSERT(!ret && "ReadConsoleOutputW should have failed");
+
+    return 0;
+}