[Bug translator/14078] librpmio.so exports bundled broken glob(3) clone

[Bug translator/14078] librpmio.so exports bundled broken glob(3) clone

[mjw at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=14078

Mark Wielaard <mjw at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Attachment #6401|0                           |1
           is patch|                            |
   Attachment #6401|application/force-download  |text/plain
          mime type|                            |

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[Bug translator/14078] New: librpmio.so exports bundled broken glob(3) clone

[mjw at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=14078

             Bug #: 14078
           Summary: librpmio.so exports bundled broken glob(3) clone
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: translator
        AssignedTo: systemtap@sourceware.org
        ReportedBy: mjw@redhat.com
                CC: fche@redhat.com
    Classification: Unclassified


Created attachment 6401
  --> http://sourceware.org/bugzilla/attachment.cgi?id=6401
RHBZ-819680-librpmio.so-exports-bundled-broken-glob-.patch

See https://bugzilla.redhat.com/show_bug.cgi?id=819680

The attached patch makes sure we always explicitly use the glibc glob version.

Not yet applied, Frank is looking into another solution using -lc that doesn't
require adding our own stap_glob function.

Tested on RHEL5, F16 and F17.

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[Bug translator/14078] librpmio.so exports bundled broken glob(3) clone

[fche at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=14078

Frank Ch. Eigler <fche at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED

--- Comment #1 from Frank Ch. Eigler <fche at redhat dot com> 2012-05-08 14:25:37 UTC ---
commit f02c2e4 appears to work:

LD_DEBUG=all ./stap -p4 -e 'probe process("/lib*/libfoo.bar").function("*") {}'
|& grep 'glob;'
     12537:    symbol=glob;  lookup in file=./stap [0]
     12537:    symbol=glob;  lookup in file=/usr/lib64/librpm.so.2 [0]
     12537:    symbol=glob;  lookup in file=/lib64/libc.so.6 [0]

super /home/fche/Private/DEVEL/DEVEL-systemtap/git/BUILD2
[10:25:18] % LD_DEBUG=all ./stap -p4 -e 'probe
process("/lib*/libfoo.bar").function("*") {}' |& grep 'glob' | grep -v global
     12545:    symbol=glob;  lookup in file=./stap [0]
     12545:    symbol=glob;  lookup in file=/usr/lib64/librpm.so.2 [0]
     12545:    symbol=glob;  lookup in file=/lib64/libc.so.6 [0]
     12545:    binding file ./stap [0] to /lib64/libc.so.6 [0]: normal symbol
`glob' [GLIBC_2.2.5]
     12545:    symbol=globfree;  lookup in file=./stap [0]
     12545:    symbol=globfree;  lookup in file=/usr/lib64/librpm.so.2 [0]
     12545:    symbol=globfree;  lookup in file=/lib64/libc.so.6 [0]
     12545:    binding file ./stap [0] to /lib64/libc.so.6 [0]: normal symbol
`globfree' [GLIBC_2.2.5]
semantic error: glob /lib*/libfoo.bar error (3)

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