segfault on bfd_elf_get_dynamic_symtab_upper_bound

[Eric Neblock]

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Hello all,

  I've been trying to reinvent the wheel by learning how to use libbfd
to write a small debugger. I know that to get symbols that I'll need to
use libbfd and that objdump -D can produce output to what I want.

  However, when copying objdump's slurp_dynamic_symtab(bfd *abfd) I find
that I get a segfault on bfd_get_dynamic_symtab_upper_bound().

  slurp_symtab works when copied over, so I know I have to be doing
something close to right.

  I found a thread that looks similar, but the topic is dropped in
further messages:

https://lists.gnu.org/archive/html/bug-binutils/2003-12/msg00051.html

  I thought this might have been an openSuSE problem and reported it here:
https://bugzilla.opensuse.org/show_bug.cgi?id=965667

  However, I've found the same problem on Debian Jessie.

  If you have any ideas or if I can provide more info, please let me know!

Helpful info:

uname -a:
  Linux node 4.0.5-THS_on #1 SMP PREEMPT Thu Jun 18 16:37:06 CDT 2015
x86_64 x86_64 x86_64 GNU/Linux

gcc --version:
  gcc-4_8-branch revision 212064

objdump --version:
   2.24.0.20140403-6.1

Regards,
Eric
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