[Bug 36301] New: valgrind shows an invalid read (bstr) in msxml3/tests/saxreader.c

https://bugs.winehq.org/show_bug.cgi?id=36301

Bug ID: 36301
           Summary: valgrind shows an invalid read (bstr) in
                    msxml3/tests/saxreader.c
           Product: Wine
           Version: 1.7.18
          Hardware: x86
                OS: Linux
            Status: NEW
          Keywords: download, source, testcase
          Severity: normal
          Priority: P2
         Component: msxml3
          Assignee: [e-mail]
          Reporter: [e-mail]

==5655== Invalid read of size 1
==5655==    at 0x40097E3: strlen (in
/usr/lib/valgrind/vgpreload_memcheck-x86-linux.so)
==5655==    by 0x7B850994: MultiByteToWideChar (locale.c:1991)
==5655==    by 0x4C75BC3: alloc_str_from_narrow (saxreader.c:80)
==5655==    by 0x4C75C7C: _bstr_ (saxreader.c:92)
==5655==    by 0x4C80FEE: test_mxwriter_flush (saxreader.c:3302)
==5655==    by 0x4C92479: func_saxreader (saxreader.c:5612)
==5655==    by 0x4CA896C: run_test (test.h:584)
==5655==    by 0x4CA8D5B: main (test.h:654)
==5655==  Address 0x7c71870 is 0 bytes after a recently re-allocated block of
size 2,048 alloc'd
==5655==    at 0x7BC4C735: notify_alloc (heap.c:255)
==5655==    by 0x7BC50F79: RtlAllocateHeap (heap.c:1716)
==5655==    by 0x4C80FC3: test_mxwriter_flush (saxreader.c:3300)
==5655==    by 0x4C92479: func_saxreader (saxreader.c:5612)
==5655==    by 0x4CA896C: run_test (test.h:584)
==5655==    by 0x4CA8D5B: main (test.h:654)
==5655==

(separate from bug 36300)