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Date:      Sat, 30 Sep 2006 00:09:40 +0000 (UTC)
From:      Tor Egge <Tor.Egge@cvsup.no.freebsd.org>
To:        netchild@FreeBSD.org
Cc:        cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/sys/sys param.h soundcard.h src/sys/dev/sound/pcm buffer.c buffer.h channel.c channel.h channel_if.m dsp.c dsp.h mixer.c mixer.h sound.c sound.h
Message-ID:  <20060930.000940.74656199.Tor.Egge@cvsup.no.freebsd.org>
In-Reply-To: <200609232045.k8NKjljR016351@repoman.freebsd.org>
References:  <200609232045.k8NKjljR016351@repoman.freebsd.org>

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> netchild    2006-09-23 20:45:47 UTC
> 
>   FreeBSD src repository
> 
>   Modified files:
>     sys/sys              soundcard.h param.h 
>     sys/dev/sound/pcm    buffer.c buffer.h channel.c channel.h 
>                          channel_if.m dsp.c dsp.h mixer.c mixer.h 
>                          sound.c sound.h 
>   Log:
>   MFp4 the sound Google Summer of Code project:

This commit caused a panic on my development machine during boot.

The value of the MIXER_SIZE macro is too low (OSSV4_EXPERIMENT is not defined).

At boot time, mix_setrecdevs() wrote beyond the end of the allocated memory.

Later, mtrash_ctor() for the next memory block (1K blocks) found that memory
had been modified after free.

- Tor Egge



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