Busybox 1.26.2 crashes with SEGFAULT

[Ronny Meeus]

On Thu, Sep 21, 2017 at 8:19 AM, Ronny Meeus <ronny.meeus at gmail.com> wrote:
> On Wed, Sep 20, 2017 at 9:37 PM, Ronny Meeus <ronny.meeus at gmail.com> wrote:
>>
>>
>> Op 20 sep. 2017 21:27 schreef "Patrick Pief" <p.pief at zoho.com>:
>>
>>  ---- On Tue, 19 Sep 2017 12:57:57 +0200 Ronny Meeus <ronny.meeus at gmail.com>
>> wrote ----
>>  > We are using version 1.26.2 build with buildroot on a Cavium (MIPS)
>> processor.
>>  > The CPU is a 64b processor but we have a 32b userspace.
>>
>> o32 or n32?
>>
>>
>> n32
>
> To be complete.
>
> output of "file busybox":
> busybox: ELF 32-bit MSB executable, MIPS, N32 MIPS64 rel2 version 1,
> dynamically linked (uses shared libs), for GNU/Linux 2.6.32, with
> unknown capability 0x41000000 = 0xf676e75, with unknown capability
> 0x10000 = 0x70403, not stripped
>
> Toolchain version:
> mips64-octeon-linux-gnu-gcc --version
> mips64-octeon-linux-gnu-gcc (Cavium Inc. Version: SDK_BUILD build 50) 4.7.0
> Copyright (C) 2012 Free Software Foundation, Inc.
> This is free software; see the source for copying conditions.  There is NO
> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
>
> Library:
> /tmp # /lib32/octeon2/libc.so.6
> GNU C Library stable release version 2.16, by Roland McGrath et al.
> Copyright (C) 2012 Free Software Foundation, Inc.
> This is free software; see the source for copying conditions.
> There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
> PARTICULAR PURPOSE.
> Compiled by GNU CC version 4.7.0.
> Compiled on a Linux 3.10.59 system on 2017-01-24.
> Available extensions:
>         crypt add-on version 2.1 by Michael Glad and others
>         GNU Libidn by Simon Josefsson
>         Native POSIX Threads Library by Ulrich Drepper et al
>         Support for some architectures added on, not maintained in glibc core.
>         BIND-8.2.3-T5B
> libc ABIs: MIPS_PLT UNIQUE
> For bug reporting instructions, please see:
> <http://www.gnu.org/software/libc/bugs.html>.


Update:
in the meantime crashes were also seen with other tools like "ip" and "brctl"
so the issue is most probably not busybox related but a kernel issue ...

Best regards
Ronny