New subject: [Bug 56153] Possible nullpointer dereference in wow64_NtUserUnpackDDEMessage (Coverity)

6 Jan 2024


      https://bugs.winehq.org/show_bug.cgi?id=56153
Bug ID: 56153
           Summary: Possible nullpointer dereference in
                    wow64_NtUserUnpackDDEMessage (Coverity)
           Product: Wine
           Version: 9.0-rc3
          Hardware: x86-64
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: wine-bugs@winehq.org
          Reporter: dark.shadow4@web.de
      Distribution: ---
In wow64_NtUserUnpackDDEMessage we have the following code:
...
if (!params->result) NtCallbackReturn( &result, sizeof(result), TRUE );
*params->result = result;
Not 100% sure what is intended here, but it doesn't look right.
Coverity link :
https://scan5.scan.coverity.com/reports.htm#v60945/p10088/fileInstanceId=257...
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[Bug 56153] New: Possible nullpointer dereference in wow64_NtUserUnpackDDEMessage (Coverity)