URL:
  <http://savannah.gnu.org/bugs/?45050>

                 Summary: Invalid read / heap overflow in unescape_char()
                 Project: make
            Submitted by: hanno
            Submitted on: Fri 08 May 2015 12:12:01 AM CEST
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
       Component Version: None
        Operating System: None
           Fixed Release: None
           Triage Status: None

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Details:

Attached file will cause a heap overflow / invalid read error in make. This
can be seen with address sanitizer or valgrind.

I'll attach Address Sanitizer output. This was found with american fuzzy lop.



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File Attachments:


-------------------------------------------------------
Date: Fri 08 May 2015 12:12:01 AM CEST  Name:
Makefile.heapoverflow-unescape_char  Size: 3B   By: hanno

<http://savannah.gnu.org/bugs/download.php?file_id=33960>
-------------------------------------------------------
Date: Fri 08 May 2015 12:12:01 AM CEST  Name:
Makefile.heapoverflow-unescape_char.asan.txt  Size: 3kB   By: hanno

<http://savannah.gnu.org/bugs/download.php?file_id=33961>

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