Bug#694260: freedink: Stack corruption

[Bas Wijnen]

Hi,

What I have found out so far:

- It crashes when it makes the call to play the midi file.
- It doesn't crash when 20.mid is not present, nor when it is replaced
by a different midi file. (even though 20.mid plays without a problem
with timidity).

However, a really slim test case with only calls to make that file play
is not enough to make it crash.

Thanks,
Bas

On 02-12-12 20:01, Sylvain wrote:
> Additional info :
> 
> - No crash when run with '-s' (no sound), so looks like this comes
>   from SDL_Mixer indeed.
> 
> - I think I tested this D-Mod already during the FreeDink development,
>   as I remembered it was a good test case for "bug-compatibility"
>   (ahem), abeilt maybe only the Lava part.
> 
> - Sylvain
> 
> On Sun, Dec 02, 2012 at 06:39:40PM +0000, Sylvain wrote:
>> Hi,
>>
>> According to the backtrace, it looks like it's in the SDL_mixer
>> thread indeed.
>>
>> Cheers!
>> Sylvain
>>
>> On Sat, Dec 01, 2012 at 12:38:17AM +0100, Bas Wijnen wrote:
>>> After a lot of debugging, the problem seems to be in libSDL instead. If
>>> I manage to get a simple test program triggering the bug, I'll report it
>>> there and close this bug. Until I do, I'll leave it open on freedink,
>>> because I'm still not entirely sure.
>>>
>>> Thanks,
>>> Bas
>>>
>>> On 24-11-12 21:08, Bas Wijnen wrote:
>>>> Package: freedink
>>>> Version: 1.08.2012042
>>>>
>>>> The dmod "Eternal suicide" is full of bugs which are nicely handled by
>>>> the engine (and which don't really affect gameplay). However, there is
>>>> one problem which causes the engine to abort with the attached message.
>>>> I'm having trouble debugging this, as there is no mention of what really
>>>> is the problem, except that some fortify check fails.
>>>>
>>>> I attached a save file with which you can reproduce it. It brings you in
>>>> front of a cave. Enter it and it crashes.
>>>>
>>>> Thanks,
>>>> Bas


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