linux-kernel - Re: ALSA: intel8x0: div by zero in snd_intel8x0

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Message-ID: <YKEWUYdGSXQFf02o@google.com>
Date:   Sun, 16 May 2021 21:55:45 +0900
From:   Sergey Senozhatsky <senozhatsky@...omium.org>
To:     Takashi Iwai <tiwai@...e.de>
Cc:     Sergey Senozhatsky <senozhatsky@...omium.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        Leon Romanovsky <leon@...nel.org>, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org
Subject: Re: ALSA: intel8x0: div by zero in snd_intel8x0_update()

On (21/05/16 14:07), Takashi Iwai wrote:
> > > For fixing the crash, this patch adds a internal flag indicating that
> > > the stream is ready to be updated, and check it (as well as the flag
> > > being in suspended) to ignore such spurious update.
> > 
> > I reproduced the "spurious IRQ" case, and the patch handled it correctly
> > (VM did not crash).
> > 
> > > Cc: <stable@...r.kernel.org>
> > > Reported-by: Sergey Senozhatsky <senozhatsky@...omium.org>
> > > Signed-off-by: Takashi Iwai <tiwai@...e.de>
> > 
> > I'll keep running test, but seems that it works as intended
> > 
> > Tested-by: Sergey Senozhatsky <senozhatsky@...omium.org>
> 
> OK, below is the revised patch I'm going to apply.
>

Sounds good.

> Thanks!

Thank you.