Bug 713471

Description of problem:
When trying to parse Xorg server backtraces (e.g., see https://bugzilla.redhat.com/show_bug.cgi?id=712540#c10) I am running addr2line to get line of the code corresponding to the particular address. Quite often I make addr2line. I can make it fail even on the command line. E.g.,

addr2line -fe /usr/lib/debug/lib64/libc.so.6.debug 0x12dff1


Version-Release number of selected component (if applicable):
glibc-2.14-2.x86_64
binutils-2.21.51.0.6-2.fc15.x86_64

How reproducible:
100%

Steps to Reproduce:
1. see above
2.
3.
  
Actual results:
add2line crashes

Expected results:
it shouldn't ... my command could be stupid, I may ask to get some nonsense, but addr2line should kick me out decently.

Additional info:
bradford:xorg-backtrace-analyze (master) $ gdb addr2line core.20409 
GNU gdb (GDB) Fedora (7.2.90.20110525-38.fc15)
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Reading symbols from /usr/bin/addr2line...Reading symbols from /usr/lib/debug/usr/bin/addr2line.debug...done.
done.
[New LWP 20409]
Missing separate debuginfo for 
Try: yum --disablerepo='*' --enablerepo='*-debuginfo' install /usr/lib/debug/.build-id/f2/12ba7404a98cda360ceebbf48489793f13e407
Core was generated by `addr2line -fe /usr/lib/debug/lib64/libc.so.6.debug 0x12dff1'.
Program terminated with signal 11, Segmentation fault.
#0  elf_find_function (abfd=0x1a28060, section=0x1a2b288, symbols=0x0, 
    offset=1110801, filename_ptr=0x0, functionname_ptr=0x605e10) at elf.c:7475
7475	  for (p = symbols; *p != NULL; p++)
(gdb) backtrace
#0  elf_find_function (abfd=0x1a28060, section=0x1a2b288, symbols=0x0, 
    offset=1110801, filename_ptr=0x0, functionname_ptr=0x605e10) at elf.c:7475
#1  0x00000036958648b2 in _bfd_elf_find_nearest_line (abfd=0x1a28060, 
    section=0x1a2b288, symbols=0x0, offset=1110801, 
    filename_ptr=<optimized out>, functionname_ptr=0x605e10, line_ptr=0x605e18)
    at elf.c:7555
#2  0x0000000000402610 in find_address_in_section (section=<optimized out>, 
    abfd=<optimized out>, data=<optimized out>) at addr2line.c:167
#3  find_address_in_section (abfd=<optimized out>, section=<optimized out>, 
    data=<optimized out>) at addr2line.c:147
#4  0x000000369583fddc in bfd_map_over_sections (abfd=0x1a28060, 
    operation=0x4025b0 <find_address_in_section>, user_storage=0x0)
    at section.c:1277
#5  0x0000000000402266 in translate_addresses (section=0x0, abfd=0x1a28060)
    at addr2line.c:233
#6  process_file (target=<optimized out>, section_name=<optimized out>, 
    file_name=<optimized out>) at addr2line.c:344
#7  main (argc=4, argv=0x7fffeccbee88) at addr2line.c:450
(gdb) thread all apply backtrace
No symbol "all" in current context.
(gdb)