[Bug 53235] New: The 32-bit mfplat:mfplat crashes on the TestBot debian11 VM

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=53235

            Bug ID: 53235
           Summary: The 32-bit mfplat:mfplat crashes on the TestBot
                    debian11 VM
           Product: Wine
           Version: unspecified
          Hardware: x86-64
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: mfplat
          Assignee: wine-bugs at winehq.org
          Reporter: fgouget at codeweavers.com
      Distribution: ---

The 32-bit mfplat:mfplat crashes on the TestBot debian11 VM.
The crash is either a EXCEPTION_WINE_ASSERTION:

mfplat.c:922: Test marked todo: Unexpected sub type
{30323449-0000-0010-8000-00aa00389b71}.
Unhandled exception: assertion failed in 32-bit code (0xf7f45559).
Backtrace:
=>0 0xf7f45559 __kernel_vsyscall+0x9() in [vdso].so (0x0065e42c)
  1 0xf7d15e02 in libc.so.6 (+0x34e02) (0x0065e42c)
  2 0xf7cfe306 in libc.so.6 (+0x1d306) (0xf7ec6000)
  3 0x5d3f43d8 in libllvm-11.so.1 (+0x75f3d8) (0x0065e728)
  4 0x5d3f41b0 in libllvm-11.so.1 (+0x75f1b0) (0x5fe78762)
  5 0x7420656c in libxvidcore.so.4 (+0xa656c) (0x62616e55)
0xf7f45559 __kernel_vsyscall+0x9 in [vdso].so: popl    %ebp

Or a plain NULL pointer dereference:

Unhandled exception: page fault on write access to 0x00000000 in 32-bit code
(0x70baff74).Backtrace:
=>0 0x70baff74 memset+0x24(dst=0x000000000, c=0, n=0x4000)
[Z:\home\winetest\tools\testbot\var\wine\dlls\msvcrt\string.c:3150] in ucrtbase
(0x0357f908)
  1 0x715283e3 wined3d_texture_load_location+0x423(texture=001AC9E0,
sub_resource_idx=0, context=001A9A30, location=0x8)
[Z:\home\winetest\tools\testbot\var\wine\dlls\wined3d\texture.c:853] in wined3d
(0x0357f9a8)
  2 0x715173ae surface_cpu_blt+0x9ee(dst_texture=001AC9E0,
dst_sub_resource_idx=0, dst_box=0357FB38, src_texture=001AC588,
src_sub_resource_idx=0, src_box=0357FB50, flags=0x20000000, fx=0357FB68,
filter=WINED3D_TEXF_POINT)
[Z:\home\winetest\tools\testbot\var\wine\dlls\wined3d\surface.c:752] in wined3d
(0x0357faf8)
  3 0x71518ea2 cpu_blitter_blit+0xc2(blitter=001AC3C0,
op=WINED3D_BLIT_OP_RAW_BLIT, context=001A9A30, src_texture=001AC588,
src_sub_resource_idx=0, src_location=0x10, src_rect=0357FE10,
dst_texture=001AC9E0, dst_sub_resource_idx=<is not available>,
dst_location=0x8, dst_rect=0357FE20, color_key=00000000,
filter=WINED3D_TEXF_POINT, resolve_format=00000000)
[Z:\home\winetest\tools\testbot\var\wine\dlls\wined3d\surface.c:1328] in
wined3d (0x0357fb98)
  4 0x715368a2 ffp_blitter_blit+0xa2(blitter=001AC3D8,
op=WINED3D_BLIT_OP_RAW_BLIT, context=001A9A30, src_texture=001AC588,
src_sub_resource_idx=0, src_location=0x10, src_rect=0357FE10,
dst_texture=001AC9E0, dst_sub_resource_idx=0, dst_location=0x8,
dst_rect=0357FE20, colour_key=00000000, filter=WINED3D_TEXF_POINT,
resolve_format=00000000)
[Z:\home\winetest\tools\testbot\var\wine\dlls\wined3d\texture.c:6213] in
wined3d (0x0357fc58)
  5 0x714dc91d glsl_blitter_blit+0x1ad(blitter=001AC3F0,
op=WINED3D_BLIT_OP_RAW_BLIT, context=001A9A30, src_texture=001AC588,
src_sub_resource_idx=0, src_location=0x10, src_rect=0357FE10,
dst_texture=001AC9E0, dst_sub_resource_idx=0, dst_location=0x8,
dst_rect=0357FE20, colour_key=00000000, filter=WINED3D_TEXF_POINT,
resolve_format=00000000)
[Z:\home\winetest\tools\testbot\var\wine\dlls\wined3d\glsl_shader.c:13270] in
wined3d (0x0357fd78)
  6 0x7151a181 texture2d_blt+0x3c1(dst_texture=001AC9E0,
dst_sub_resource_idx=0, dst_box=0479C3C8, src_texture=001AC588,
src_sub_resource_idx=0, src_box=0479C3E8, flags=0x20000000, fx=0479C404,
filter=WINED3D_TEXF_POINT)
[Z:\home\winetest\tools\testbot\var\wine\dlls\wined3d\surface.c:1639] in
wined3d (0x0357fe48)
  7 0x7149b07d wined3d_cs_exec_blt_sub_resource+0xcd(cs=04790020,
data=0479C3BC) [Z:\home\winetest\tools\testbot\var\wine\dlls\wined3d\cs.c:2579]
in wined3d (0x0357fec8)
  8 0x7149cb2b wined3d_cs_command_unlock(queue=<internal error>, cs=<internal
error>) [Z:\home\winetest\tools\testbot\var\wine\dlls\wined3d\cs.c:3310] in
wined3d (0x0357ff28)
  9 0x7149cb2b wined3d_cs_execute_next+0x53(queue=<internal error>,
cs=<internal error>)
[Z:\home\winetest\tools\testbot\var\wine\dlls\wined3d\cs.c:3309] in wined3d
(0x0357ff28)
  10 0x7149cb2b wined3d_cs_run+0x11b(ctx=<internal error>)
[Z:\home\winetest\tools\testbot\var\wine\dlls\wined3d\cs.c:3375] in wined3d
(0x0357ff28)
  11 0x7b62a170 in kernel32 (+0x2a170) (0x0357ff48)
  12 0x7bc5a937 in ntdll (+0x5a937) (0x0357ff5c)
  13 0x7bc5aff0 RtlCreateUserThread(entry=7149CA10, arg=04790020)
[Z:\home\winetest\tools\testbot\var\wine\dlls\ntdll\thread.c:261] in ntdll
(0x0357ffec)
0x70baff74 memset+0x24
[Z:\home\winetest\tools\testbot\var\wine\dlls\msvcrt\string.c:3150] in
ucrtbase: movl    %eax,0x0(%ebx)
3150            *(unaligned_ui64 *)(d + 0) = v;

https://test.winehq.org/data/patterns.html#mfplat:mfplat

This is most likely the same issue as the d2d1:d2d1 (bug 53231) and evr:evr
(bug 53201) crashes.
Still, this time the crash:
* Does not happen on my Debian 11 + Intel & KDE box
* Does not happen on my Debian 11 + QXL + single monitor VM
* Happens on the TestBot's Debian 11 + QXL + dual monitor VM (probably slightly
different library versions)
* Does not happen on the TestBot's Debian Testing + QXL + dual monitor VM

Also the crashes started when the debian11 VM was updated and moved to the gpu1
VM host.

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