Bug#989103: pulseaudio crashes on startup

[Igor Kovalenko]

On Fri, 28 May 2021 17:40:28 +0200 =?iso-8859-2?Q?Micha=B3_Miros=B3aw?= <
mirq-deboogs at rere.qmqm.pl> wrote:
> On Wed, May 26, 2021 at 10:19:31AM -0400, Felipe Sateler wrote:
> > Control: tags -1 unreproducible moreinfo
> >
> >
> > On Tue, May 25, 2021 at 10:27 PM Michał Mirosław <
mirq-linux at rere.qmqm.pl>
> > wrote:
> >
> > > Package: pulseaudio
> > > Version: 14.2-2
> > > Severity: grave
> > > Justification: renders package unusable
> > > X-Debbugs-Cc: mirq-deboogs at rere.qmqm.pl
> > >
> > > After upgrade to bullseye, pulseaudio crashes on startup in
> > > pa_alsa_sink_new() -> find_mixer() due to mapping==NULL.
> > >
> >
> > You have this in your config:
> >
> > load-module module-alsa-sink device=hw:1,0 control=Wave
> >
> > Does it crash if you remove that line?
>
> Indeed this is the trigger.
>
> load-module module-alsa-sink device=hw:1,0
>
> works ok. Adding the mixer control name argument ("control=Wave" or
> "control=Wave,0") makes pulseaudio segfault on startup. Guessing from
> the documentation [1] version 14.0 had changes in code supporting this
> case.
>
> [1]
https://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/Modules/#module-alsa-sink
>
> Best Regards
> Michał Mirosław
>
>

I confirm this is a regression in pulseaudio-14.0, fixed in pulseaudio
master now.

https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/576

-- 
Kind regards,
Igor V. Kovalenko
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