[mythtv-users] libmythbluray-related segfaults (with backtraces)

[Robert McNamara]

On Wed, Aug 18, 2010 at 11:39 AM, Robert McNamara <robert.mcnamara at gmail.com
> wrote:

>
>
> On Wed, Aug 18, 2010 at 11:34 AM, Robert McNamara <
> robert.mcnamara at gmail.com> wrote:
>
>>
>>
>> On Wed, Aug 18, 2010 at 11:22 AM, Noah K <bodhileok at gmail.com> wrote:
>>
>>>
>>> OK, the libbluray resync (r25723, thanks Robert!) fixed the second
>>> segfault (on exit for all BDMV), but not the first (on start for
>>> some).
>>> I'll dig a little more when I have time and maybe take to
>>> libbluray-devel.
>>>
>>
>> Looks like ii is ending up -1, which is likely invalid.  I've reported it
>> but if I don't hear anything by the time I get home, I'll conjure up a
>> patch.
>>
>> Robert
>>
>
> PS, If you want to try, you could see about adding something like
>
>     if (ii <= 0) {
>         return 0;
>     }
>
> right above like 441 in clpi_parse.c, which is:
>
>     spn = (entry->coarse[ii].spn_ep & ~0x1FFFF) + entry->fine[jj].spn_ep;
>
> Note that I haven't looked very close, so please forgive me if this does
> nothing at all ;)
>
> Robert
>

if you could also try changing line 380:

    if (pts > timestamp) {

to

    if (pts > timestamp && ii) {

I would be much obliged.

Robert
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