[Scummvm-tracker] [ScummVM :: Bugs] #13192: SCI: Police Quest 4 - Random Crashes

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#13192: SCI: Police Quest 4 - Random Crashes
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Reporter:  jamokoo  |       Owner:  digitall
    Type:  defect   |      Status:  pending
Priority:  normal   |   Component:  Engine: SCI
 Version:           |  Resolution:  fixed
Keywords:           |        Game:  Police Quest 4
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Comment (by digitall):

 jamokoo: Thank you for the backtrace. That is associated with the PQ4
 resource patch for Enchanced Audio View:
 https://github.com/scummvm/scummvm/blob/master/engines/sci/resource/resource_patcher.cpp#L496

 I have added a check for the source data being null i.e. resource data
 loading failure in the patcher which should prevent the crash (as doing an
 memcpy on a null pointer is not valid) as commit
 https://github.com/scummvm/scummvm/commit/1ec6adb304ebfb933bc0fe3a677f14e4ec3a7c6d.

 That should prevent the crash, though I have tested with my copy of PQ4
 from Police Quest Collection and I don't get this issue.

 Can I suggest that you attach a list of your PQ4 resource files and
 associated sizes and MD5sums? The output of a tool such as MD5summer on
 Win32 would be fine.

 It sounds like you either have a corrupted or variant resource file in
 your PQ4 datafiles.
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Ticket URL: <https://bugs.scummvm.org/ticket/13192#comment:11>
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