[Bug 36300] New: valgrind shows an invalid read in msxml3/tests/saxreader.c

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=36300

            Bug ID: 36300
           Summary: valgrind shows an invalid read 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: wine-bugs at winehq.org
          Reporter: austinenglish at gmail.com

==30812== Invalid read of size 1
==30812==    at 0x61B1797: update_position (saxreader.c:698)
==30812==    by 0x61B43E1: libxmlStartElementNS (saxreader.c:1600)
==30812==    by 0x648AAA5: ??? (in /usr/lib/libxml2.so.2.9.1)
==30812==    by 0x648F5B0: xmlParseElement (in /usr/lib/libxml2.so.2.9.1)
==30812==    by 0x648FC41: xmlParseDocument (in /usr/lib/libxml2.so.2.9.1)
==30812==    by 0x61B6D79: internal_parseBuffer (saxreader.c:2552)
==30812==    by 0x61B7193: internal_parse (saxreader.c:2637)
==30812==    by 0x61B94B0: isaxxmlreader_parse (saxreader.c:3395)
==30812==    by 0x4A7EEC3: test_saxreader (msxml2.h:18632)
==30812==    by 0x4A963FA: func_saxreader (saxreader.c:5592)
==30812==    by 0x4AAC96C: run_test (test.h:584)
==30812==    by 0x4AACD5B: main (test.h:654)
==30812==  Address 0x4550ef7 is 1 bytes before a block of size 4,096 alloc'd
==30812==    at 0x4006B11: malloc (in
/usr/lib/valgrind/vgpreload_memcheck-x86-linux.so)
==30812==    by 0x64F5E6D: xmlBufCreate (in /usr/lib/libxml2.so.2.9.1)
==30812==    by 0x6477115: ??? (in /usr/lib/libxml2.so.2.9.1)
==30812==    by 0x64786F2: xmlSwitchEncoding (in /usr/lib/libxml2.so.2.9.1)
==30812==    by 0x648FF25: xmlParseDocument (in /usr/lib/libxml2.so.2.9.1)
==30812==    by 0x61B6D79: internal_parseBuffer (saxreader.c:2552)
==30812==    by 0x61B7193: internal_parse (saxreader.c:2637)
==30812==    by 0x61B94B0: isaxxmlreader_parse (saxreader.c:3395)
==30812==    by 0x4A7EEC3: test_saxreader (msxml2.h:18632)
==30812==    by 0x4A963FA: func_saxreader (saxreader.c:5592)
==30812==    by 0x4AAC96C: run_test (test.h:584)
==30812==    by 0x4AACD5B: main (test.h:654)
==30812==

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