[alsa-devel] SALSA-Lib: snd_pcm_hw_params_any clobbers memory

J. Scott Merritt alsauser at pragmasoft.com
Thu Jun 28 20:45:02 CEST 2007


On Thu, 28 Jun 2007 13:23:28 +0200
Takashi Iwai <tiwai at suse.de> wrote:

> At Wed, 27 Jun 2007 16:33:52 -0400,
> J. Scott Merritt wrote:
> > 
> > Dear list,
> > 
> > Using SALSA-Lib 0.0.2, I call
> >    snd_pcm_open
> >    snd_pcm_hw_params_malloc
> >    snd_pcm_hw_params_any
> > 
> > The call to snd_pcm_hw_params_any appears to clobber memory beyond
> > the end of the hw_params allocated by snd_pcm_hw_params_malloc (as
> > reported by linking in -lmcheck).
> 
> Gosh, my bad.  I didn't test *_malloc() at all.
> 
> There was a stupid bug in the template I copy-n-pasted.  The fix patch
> is below.  I'll release version 0.0.3 soon later.
> 
> Thanks for reporting!
> 
> 
> Takashi

Problem resolved in SALSA-Lib 0.0.3 - thanks :)
(subsequent problem reported in new thread)


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