[Bug 297619] sysutils/consolekit2: Fix CkProcessStat leak when process lookup fails

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=297619

            Bug ID: 297619
           Summary: sysutils/consolekit2: Fix CkProcessStat leak when
                    process lookup fails
           Product: Ports & Packages
           Version: Latest
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: Individual Port(s)
          Assignee: [email protected]
          Reporter: [email protected]
             Flags: maintainer-feedback?([email protected])
          Assignee: [email protected]

Created attachment 273856
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=273856&action=edit
consolekit2_process_stat_failure_leak_fix_20260817.patch

The FreeBSD backend of sysutils/consolekit2 leaks a CkProcessStat allocation
whenever ck_process_stat_new_for_unix_pid() fails  
  to obtain information about the requested process.

  The function allocates proc with g_new0() and passes it to stat2proc(). On
success, ownership is returned to the caller. On     
  failure, however, the function sets *stat to NULL without freeing proc.

  stat2proc() can fail when the kern.proc.pid sysctl fails, for example if the
process exits during the lookup. Repeated failures 
  in the long-running ConsoleKit daemon can therefore accumulate leaked
allocations.

  The attached patch calls g_free(proc) on the failure path before setting
*stat to NULL. The successful ownership path remains   
  unchanged.

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