[Bug stdio/15142] New: Missing locking in _IO_cleanup

[schwab@linux-m68k.org]

http://sourceware.org/bugzilla/show_bug.cgi?id=15142

             Bug #: 15142
           Summary: Missing locking in _IO_cleanup
           Product: glibc
           Version: 2.3.4
            Status: NEW
          Severity: normal
          Priority: P2
         Component: stdio
        AssignedTo: unassigned@sourceware.org
        ReportedBy: schwab@linux-m68k.org
    Classification: Unclassified


Created attachment 6870
  --> http://sourceware.org/bugzilla/attachment.cgi?id=6870
Testcase

When _IO_flush_all_lockp is called from _IO_cleanup it doesn't do any locking
on _IO_list_all, which races with fopen/fclose from other threads.  This can
result in heap corruption.

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