[screen-devel] [bug #43866] double file-close / use-after-free

[Joshua Rogers]

URL:
  <http://savannah.gnu.org/bugs/?43866>

                 Summary: double file-close / use-after-free
                 Project: GNU Screen
            Submitted by: megamansec3
            Submitted on: Sun 21 Dec 2014 11:24:01 PM GMT
                Category: Program Logic
                Severity: 3 - Normal
                Priority: 5 - Normal
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.2.1
           Fixed Release: None
         Planned Release: None
           Work Required: None

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Details:

Hi,

In fileio.c on line 630, 'i' is closed correctly:
630      close(i);

but then on line 640, it is cloed again.
640  close(i);


Thanks




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