Re: Last version of of citrix Client core dumps (Was Re: How to run Microsoft Internet Explorer on NetBSD?)

[Stephan <stephanwib%googlemail.com@localhost>]

The assembly looks like junk and considering the adresses, you have
tried to disassemble some memory on the stack. Is this a 64-bit wfica
binary?

Either way, this seems to be a completely different case. How does the
backtrace look like?

2016-02-26 13:01 GMT+01:00 Patrick Welche <prlw1%cam.ac.uk@localhost>:
> On Fri, Feb 26, 2016 at 09:22:38AM +0100, Stephan wrote:
>> I still recommend Receiver for HTML5 in this case.
>>
>> The dump looks like a mess and eventually gdb is unable to process
>> this dump of a Linux binary on NetBSD correctly. It would be
>> interesting to know what is mapped at 0xba90004d. You could break at
>> that adress (b *0xba90004d) and check with pmap. Also, what´s the
>> corresponding instruction (x/i 0xba90004d)?
>
> Getting to stop while running for the pmap is proving interesting (need
> authentication via pnbrowse before dump in wfica).
>
> The instruction seems to always be the same though:
>
> Core was generated by `wfica'.
> Program terminated with signal SIGSEGV, Segmentation fault.
> #0  0x00007f7fee73a9f4 in ?? ()
> [Current thread is 1 (process 27767)]
> (gdb) x/20i 0x00007f7fee73a9e8
>    0x7f7fee73a9e8:      add    %al,(%rax)
>    0x7f7fee73a9ea:      add    %al,(%rax)
>    0x7f7fee73a9ec:      add    %al,(%rax)
>    0x7f7fee73a9ee:      add    %al,(%rax)
>    0x7f7fee73a9f0:      push   %rsi
>    0x7f7fee73a9f1:      rex.R
>    0x7f7fee73a9f2:      rex.RB push %r13
> => 0x7f7fee73a9f4:      rex.RB
>    0x7f7fee73a9f5:      rex.WRB
>    0x7f7fee73a9f6:      cs rex.R
>    0x7f7fee73a9f8:      rex.WR
>    0x7f7fee73a9f9:      rex.WR add %r8b,(%rax)
>    0x7f7fee73a9fc:      add    %dl,0x75(%rcx)
>    0x7f7fee73a9ff:      gs jne 0x7f7fee73aa67
>    0x7f7fee73aa02:      add    %al,(%rax)
>    0x7f7fee73aa04:      add    %al,(%rax)
>    0x7f7fee73aa06:      add    %al,(%rax)
>    0x7f7fee73aa08:      stc
>    0x7f7fee73aa09:      mov    %al,%al
>    0x7f7fee73aa0b:      idivl  0x7f(%rdi)
>
>
> Cheers,
>
> Patrick