[Bug tdep/30705] [gdb] UNRESOLVED: gdb.base/all-architectures-2.exp: tests: osabi=AIX: arch=bpf: endian=auto: disassemble 0x100,+4 (segfault)

["vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=30705

--- Comment #5 from Tom de Vries <vries at gcc dot gnu.org> ---
Also, I'm seeming in gdb.gdb/unittest.exp:
...
Running selftest buffered_insn_length::bpf.^M
^M
^M
Fatal signal: Segmentation fault^M
...

Reproducer:
...
$ gdb -q -batch -ex "maint selftest buffered_insn_length::bpf"
...

In this case, we're segfaulting here because abfd is nullptr:
...
Thread 1 "gdb" received signal SIGSEGV, Segmentation fault.
print_insn_bpf (pc=0, info=0x7fffffffd398) at
/data/vries/gdb/src/opcodes/bpf-dis.c:153
153           Elf_Internal_Ehdr *header = elf_elfheader (abfd);
...
which gets it's value in the same line as mentioned in comment 3:
...
152           struct bfd *abfd = info->section->owner;
...

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