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From: Eric Wong <normalperson@yhbt.net>
To: sox-devel@lists.sourceforge.net
Cc: Mans Rullgard <mans@mansr.com>
Subject: Re: [PATCH] adpcm: fix stack overflow with >4 channels (CVE-2017-15372)
Date: Wed, 8 Nov 2017 00:42:17 +0000	[thread overview]
Message-ID: <20171108004217.GA18760@starla> (raw)
In-Reply-To: <20171108002914.782-1-mans@mansr.com>

Mans Rullgard <mans@mansr.com> wrote:
> --- a/src/adpcm.h
> +++ b/src/adpcm.h
> @@ -29,8 +29,11 @@
>  /* default coef sets */
>  extern const short lsx_ms_adpcm_i_coef[7][2];
>  
> +extern void *lsx_ms_adpcm_alloc(unsigned chans);
> +
>  /* lsx_ms_adpcm_block_expand_i() outputs interleaved samples into one output buffer */
>  extern const char *lsx_ms_adpcm_block_expand_i(
> +	void *priv,
>  	unsigned chans,          /* total channels             */
>  	int nCoef,
>  	const short *coef,

Thanks, seems fine; though I'd probably export an opaque struct
which makes the unsigned chans arg redundant.

I'm a little concerned about the internal API changes like this
affecting some 3rd-party code somewhere; but I guess we limit
our exports nowadays (ugh, and that export regexp is nasty)

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  reply	other threads:[~2017-11-08  0:42 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-04  9:46 sox debian package Jaromír Mikeš
2017-11-04 18:23 ` Eric Wong
2017-11-04 20:10   ` Måns Rullgård
2017-11-04 20:43     ` Jaromír Mikeš
2017-11-05  1:40       ` Jaromír Mikeš
2017-11-05 12:32         ` Måns Rullgård
2017-11-05 15:03           ` Jaromír Mikeš
2017-11-05 15:42             ` Måns Rullgård
2017-11-05 17:12 ` Måns Rullgård
2017-11-05 17:19   ` Jaromír Mikeš
2017-11-05 22:37     ` Jaromír Mikeš
2017-11-07  1:14   ` [PATCH] adpcm: fix stack overflow (CVE-2017-15372) Eric Wong
2017-11-07  9:26     ` Måns Rullgård
2017-11-07  9:41       ` Jaromír Mikeš
2017-11-07  9:53         ` Måns Rullgård
2017-11-07 17:54       ` Eric Wong
2017-11-07 18:12         ` Måns Rullgård
2017-11-07 23:37           ` Eric Wong
2017-11-07 23:38             ` [PATCH v2] " Eric Wong
2017-11-08  7:43               ` Hans Petter Selasky
2017-11-08 11:07                 ` Måns Rullgård
2017-11-08 11:15                   ` Hans Petter Selasky
2017-11-08 11:33                     ` Måns Rullgård
2017-11-07 23:43             ` [PATCH] " Måns Rullgård
2017-11-07 23:55               ` Eric Wong
2017-11-07 23:58                 ` Måns Rullgård
2017-11-08  0:29                   ` [PATCH] adpcm: fix stack overflow with >4 channels (CVE-2017-15372) Mans Rullgard
2017-11-08  0:42                     ` Eric Wong [this message]
2017-11-08  0:52                       ` Måns Rullgård
2017-11-08  3:24                         ` Eric Wong
2017-11-08 10:54                           ` Måns Rullgård

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