[asterisk-dev] Need assistance: ast_frfree(f) causes asterisk to crash

[Artem Makhutov]

Hello,

I need some assistance for chan_datacard.

There is a problem that plaing back .wav audio files with Playback() 
will crash asterisk. This problem does not exist in usual voice calls or 
playpack of .gsm files.

I have hunted the problem and figure out that the crash is caused by 
ast_frfree(f):

http://pastebin.com/xjUbWUdx

Can some body explain me, what is going wrong here? And why does this 
only happen when using Playback() with a .wav file?

Thank you, Artem

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