* apt-pkg/contrib/mmap.cc:

  - have a dummy SyncToFd around in case of ReadOnly access to a
    compressed file as we otherwise on Close() do not delete[] the
    char buffer but munmap() it… (Closes: #673815)

1 files changed, 1 insertions, 0 deletions

diff --git a/apt-pkg/contrib/mmap.cc b/apt-pkg/contrib/mmap.cc
index 160718ea5..2d12b6fe9 100644
--- a/apt-pkg/contrib/mmap.cc
+++ b/apt-pkg/contrib/mmap.cc
@@ -84,6 +84,7 @@ bool MMap::Map(FileFd &Fd)
       if ((Flags & ReadOnly) != ReadOnly)
 	 return _error->Error("Compressed file %s can only be mapped readonly", Fd.Name().c_str());
       Base = new unsigned char[iSize];
+      SyncToFd = new FileFd();
       if (Fd.Seek(0L) == false || Fd.Read(Base, iSize) == false)
 	 return _error->Error("Compressed file %s can't be read into mmap", Fd.Name().c_str());
       return true;