[Bug dynamic-link/20890] New: ldconfig: fsync the files before atomic rename

["fweimer at redhat dot com" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=20890

            Bug ID: 20890
           Summary: ldconfig: fsync the files before atomic rename
           Product: glibc
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: dynamic-link
          Assignee: unassigned at sourceware dot org
          Reporter: fweimer at redhat dot com
  Target Milestone: ---
             Flags: security-

ldconfig does not fsync the temporary files for the caches before renaming them
into the final place.  As a result, a crash at an inopportune moment can leave
corrupted crashes behind.

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