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[Bug libc/14716] New: memmem crash


http://sourceware.org/bugzilla/show_bug.cgi?id=14716

             Bug #: 14716
           Summary: memmem crash
           Product: glibc
           Version: 2.17
            Status: NEW
          Severity: normal
          Priority: P2
         Component: libc
        AssignedTo: unassigned@sourceware.org
        ReportedBy: jan.kratochvil@redhat.com
                CC: allan@archlinux.org, drepper.fsp@gmail.com,
                    eblake@redhat.com, hjl.tools@gmail.com,
                    law@redhat.com, maxim.kuvyrkov@gmail.com,
                    ppluzhnikov@google.com
        Depends on: 14602
    Classification: Unclassified


Created attachment 6683
  --> http://sourceware.org/bugzilla/attachment.cgi?id=6683
GDB debug output

+++ This bug was initially created as a clone of Bug #14602 +++

glibc-2.16.90-24.fc19.x86_64
https://koji.fedoraproject.org/koji/buildinfo?buildID=359617

Core was generated by
`/unsafe/home/jkratoch/hammock/20121013Build-gdbcvs-rawhide/fedora-rawhide-x86_6'.
Program terminated with signal 11, Segmentation fault.
#0  two_way_short_needle (needle_len=<optimized out>, needle=<optimized out>,
haystack_len=<optimized out>, haystack=<optimized out>) at str-two-way.h:309
309                   != (haystack_char = CANON_ELEMENT (*phaystack++)))

Detailed debug dump attached.

I do not have it reproducible by hand, it happened during nightly builds.

Regression by:
glibc-2.16.90-23.fc19.x86_64 -> glibc-2.16.90-24.fc19.x86_64

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