[Bug 59110] New: Memory leak in lookup_unix_name

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=59110

            Bug ID: 59110
           Summary: Memory leak in lookup_unix_name
           Product: Wine
           Version: 11.0-rc1
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: ntdll
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Created attachment 79916
  --> http://bugs.winehq.org/attachment.cgi?id=79916
sample demo

lookup_unix_name leaks memory.  valgrind crashes but easy to demonstrate
without it

without local fix, the attached sample settles around 9mb:
$ ps -o pid,rss,comm -p $(pgrep a.exe)
    PID   RSS COMMAND
 228399  9116 a.exe

a larger loop variable leaks more

with local fix at https://gitlab.winehq.org/dlehman25/wine/-/tree/lookup-leak,
it settles around 6mb:
$ ps -o pid,rss,comm -p $(pgrep a.exe)
    PID   RSS COMMAND
 229172  6048 a.exe

a larger loop variable doesn't grow the memory

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