Re: crash when opening a newsgroup

[Timmy Douglas]

Richard Stallman <address@hidden> writes:

>     (gdb) p *bp
>     $3 = {next = 0x70746e6e, function = 0x64, args = 0x8c70478, nargs = 
> 1852141679, evalargs = 45 '-', 
>       debug_on_exit = 116 't'}
>
>
> Several of these fields appear to be garbage.  next is garbage, you
> found.  nargs is garbage.  function is garbage.
>
> The next step is to manually scan the same list, starting with
> backtrace_list, and see what elements it has before that point.
> And see what they say.

(gdb) p *backtrace_list
$16 = {next = 0x8c5bf5c, function = 0x5, args = 0xffffffff, nargs = 0, evalargs 
= -84 '�', 
  debug_on_exit = -44 '�}

(gdb) p *backtrace_list->next
$17 = {next = 0x70746e6e, function = 0x64, args = 0x8c70478, nargs = 
1852141679, 
  evalargs = 45 '-', debug_on_exit = 116 't'}

(gdb) p *backtrace_list->next->next
Cannot access memory at address 0x70746e6e


'backtrace_list' appears to only contain two items, and it looks like
the first one is semi-corrupted also.


> What functions made them?

I'm not sure how I could easily find that out.