[Bug 52073] New: The builtin libxml2/libxslt libraries break msxml3:domdoc in wow64 mode

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=52073

            Bug ID: 52073
           Summary: The builtin libxml2/libxslt libraries break
                    msxml3:domdoc in wow64 mode
           Product: Wine
           Version: unspecified
          Hardware: x86-64
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: msxml3
          Assignee: wine-bugs at winehq.org
          Reporter: fgouget at codeweavers.com
      Distribution: ---

The builtin libxml2 / libxslt libraries break msxml3:domdoc in wow64 mode.
More specifically msxml3:domdoc started crashing on 2021-10-20:

domdoc.c:7004: Test marked todo: expected refcount 2, got 1
Unhandled exception: page fault on read access to 0x00000000ffffffff in 64-bit
code (0x00000000013682a8).
[...]
Backtrace:
=>0 0x00000000013682a8 xmlXPathNodeCollectAndTest+0x28(ctxt=<is not available>,
op=<is not available>, first=<is not available>, last=<is not available>,
toBool=<is not available>)
[Z:\home\winetest\winetest\src\libs\xml2\xpath.c:12028] in msxml3
(0x0000000001388348)
  1 0x0000000001369d51 xmlXPathNodeCollectAndTest+0x1ad0(ctxt=<is not
available>, op=<is not available>, first=<is not available>, last=<is not
available>, toBool=<is not available>)
[Z:\home\winetest\winetest\src\libs\xml2\xpath.c:13113] in msxml3
(0x0000000001388348)
  2 0x000000000136a024 xmlXPathNodeCollectAndTest+0x1da3(ctxt=<is not
available>, op=<is not available>, first=<is not available>, last=<is not
available>, toBool=<is not available>)
[Z:\home\winetest\winetest\src\libs\xml2\xpath.c:13361] in msxml3
(0x0000000001388348)
  3 0x000000000136b559 xmlXPathRunEval+0xc8(ctxt=<is not available>, toBool=<is
not available>) [Z:\home\winetest\winetest\src\libs\xml2\xpath.c:13954] in
msxml3 (0x0000000001388348)
  4 0x000000000136b775 xmlXPathCompiledEvalInternal+0xc4(comp=<is not
available>, ctxt=<is not available>, resObjPtr=<is not available>, toBool=<is
not available>) [Z:\home\winetest\winetest\src\libs\xml2\xpath.c:14337] in
msxml3 (0x0000000001388348)
  5 0x000000000136bb3a xmlXPathCompiledEval+0x19(comp=<is not available>,
ctx=<is not available>) [Z:\home\winetest\winetest\src\libs\xml2\xpath.c:14383]
in msxml3 (0x0000000000fae760)
  6 0x0000000001298edc xsltProcessOneNode+0x18b(ctxt=<is not available>,
contextNode=<is not available>, withParams=<is not available>)
[Z:\home\winetest\winetest\src\libs\xslt\libxslt\transform.c:385] in msxml3
(0x0000000000fae760)
  7 0x0000000001296517 xsltCopyText+0x706(ctxt=<is not available>, target=<is
not available>, cur=<is not available>, interned=<is not available>)
[Z:\home\winetest\winetest\src\libs\xslt\libxslt\transform.c:2798] in msxml3
(0x0000000000fadc90)
  8 0x0000000001298638 xsltLocalVariablePush+0x267(ctxt=<is not available>,
variable=<is not available>, level=<is not available>)
[Z:\home\winetest\winetest\src\libs\xslt\libxslt\transform.c:2388] in msxml3
(0x0000000000fa3c70)
  9 0x0000000001298da2 xsltProcessOneNode+0x51(ctxt=0000000000FC2DC0,
contextNode=0000000000FAE760, withParams=0000000000000000)
[Z:\home\winetest\winetest\src\libs\xslt\libxslt\transform.c:3145] in msxml3
(0x0000000000000000)
  10 0x000000000129b28f
xsltApplyStylesheetInternal+0x3ce(style=0000000000FA2030, doc=0000000000FAE760,
params=<is not available>, output=<is not available>, profile=<is not
available>, userCtxt=<is not available>)
[Z:\home\winetest\winetest\src\libs\xslt\libxslt\transform.c:6089] in msxml3
(0x0000000000000000)
  11 0x000000000129b95e xsltApplyStylesheet+0x1d(style=<is not available>,
doc=<is not available>, params=<is not available>)
[Z:\home\winetest\winetest\src\libs\xslt\libxslt\transform.c:6285] in msxml3
(0x00000000006bf978)
  12 0x000000000125c2a7 node_transform_node_params+0xb6(This=0000000000043960,
stylesheet=<is not available>, p=<is not available>, stream=0000000000000000,
params=0000000000000000)
[Z:\home\winetest\winetest\src\dlls\msxml3\node.c:1518] in msxml3
(0x00000000006bf978)
  13 0x000000000125c845 unknode_transformNode+0x34(iface=<is not available>,
domNode=<is not available>, p=<is not available>)
[Z:\home\winetest\winetest\src\dlls\msxml3\node.c:1541] in msxml3
(0x00000000000384a8)
  14 0x000000000123085a domdoc_transformNode+0x29(iface=<is not available>,
node=0000000000045540, p=00000000006BF978)
[Z:\home\winetest\winetest\src\dlls\msxml3\domdoc.c:1479] in msxml3
(0x00000000000384a8)
  15 0x000000000040c180 in msxml3_test (+0xc17f) (0x00000000000384a8)
[...]

https://test.winehq.org/data/patterns.html#msxml3:domdoc

A bisect shows that the crash started happening with the commit below:

commit bca1b7f2faeb0798f4af420c15ff5a1b1f7b40af
Author: Alexandre Julliard <julliard at winehq.org>
Date:   Wed Oct 20 11:39:06 2021 +0200

    mxsml3: Use the bundled libxml2 and libxslt and build with msvcrt.

    Signed-off-by: Alexandre Julliard <julliard at winehq.org>

The previous two commits are imports of the libxslt and libxml2 code
respectively and don't compile. And msxml3:domdoc does not crash with the
previous commit (9a335d89d0cc).

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