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[Bug binutils/13875] New: dlltool segfaults using a freed pointer


From: kaltsi+sourceware at gmail dot com
Subject: [Bug binutils/13875] New: dlltool segfaults using a freed pointer
Date: Tue, 20 Mar 2012 08:12:37 +0000

http://sourceware.org/bugzilla/show_bug.cgi?id=13875

             Bug #: 13875
           Summary: dlltool segfaults using a freed pointer
           Product: binutils
           Version: 2.22
            Status: NEW
          Severity: normal
          Priority: P2
         Component: binutils
        AssignedTo: address@hidden
        ReportedBy: address@hidden
    Classification: Unclassified


Created attachment 6295
  --> http://sourceware.org/bugzilla/attachment.cgi?id=6295
Fix proposal

Building a mingw32 compiler in an OBS chroot I ran into an environment where
i586-mingw32msvc-dlltool would always crash when it was used.

The chroot was based on openSUSE 12.1.

The reason seems to be that dlltool is using a pointer that gets freed in
bfd_close.

Patch attached.

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