[Bug 477607] New: mkfontscale produces syscalls with EINVAL

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Summary: mkfontscale produces syscalls with EINVAL

https://bugzilla.redhat.com/show_bug.cgi?id=477607

           Summary: mkfontscale produces syscalls with EINVAL
           Product: Fedora
           Version: 9
          Platform: All
        OS/Version: Linux
            Status: NEW
          Severity: medium
          Priority: low
         Component: freetype
        AssignedTo: besfahbo redhat com
        ReportedBy: sgrubb redhat com
         QAContact: extras-qa fedoraproject org
                CC: besfahbo redhat com, kevin tigcc ticalc org,
                    fedora-fonts-bugs-list redhat com
    Classification: Fedora


Created an attachment (id=327635)
 --> (https://bugzilla.redhat.com/attachment.cgi?id=327635)
patch fixing problems described herein

Description of problem:
The mkfontscale program uses the freetype library. Our IDS work shows that the
freetype library causes mmap syscalls with EINVAL return codes. This is because
its not checking the length of the file before calling mmap. If the file is
opened readonly and the length is 0, the kernel does not like it.


How reproducible:
always

Steps to Reproduce:
1. add to audit rules: -a always,exit -S mmap -F exit=-ENIVAL -k einval
2. reboot system
3. ausearch --start recent -k einval

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