[Bug libc/3225] New: aligned_restore_vmx corrupts stack pointer during sighandler

["arnd at arndb dot de" <sourceware-bugzilla at sourceware dot org>]

Since the commit in 
http://www.sourceware.org/ml/glibc-cvs/2005-q4/msg02674.html, there is a tiny 
window during __longjmp() where the stack pointer register (r1) is undefined. 
When a signal handler arrives there, the task crashes while setting up the 
signal stack.

-- 
           Summary: aligned_restore_vmx corrupts stack pointer during
                    sighandler
           Product: glibc
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: libc
        AssignedTo: drepper at redhat dot com
        ReportedBy: arnd at arndb dot de
                CC: glibc-bugs at sources dot redhat dot com
 GCC build triplet: powerpc64-linux
  GCC host triplet: powerpc64-linux
GCC target triplet: powerpc64-linux


http://sourceware.org/bugzilla/show_bug.cgi?id=3225

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