From: Takashi Iwai <tiwai@suse.de> To: butt3rflyh4ck <butterflyhuangxx@gmail.com> Cc: perex@perex.cz, tiwai@suse.com, pierre-louis.bossart@linux.intel.com, broonie@kernel.org, alsa-devel@alsa-project.org, LKML <linux-kernel@vger.kernel.org> Subject: Re: A divide error bug in snd_pcm_write Date: Thu, 29 Sep 2022 18:14:39 +0200 [thread overview] Message-ID: <87tu4q6tu8.wl-tiwai@suse.de> (raw) In-Reply-To: <CAFcO6XNsqKCzNBiBF4eYyh+RCSGBp_5HSzxF0gw0kgfQ2FDAiQ@mail.gmail.com> On Thu, 29 Sep 2022 16:52:10 +0200, butt3rflyh4ck wrote: > > This one fixes the problem. > https://lore.kernel.org/all/20220926135558.26580-2-tiwai@suse.de/ Thanks for confirmation! The fix should be included in 6.1-rc1. Takashi > > Regards, > butt3rflyh4ck. > > On Tue, Sep 27, 2022 at 2:01 AM Takashi Iwai <tiwai@suse.de> wrote: > > > > On Mon, 26 Sep 2022 19:16:48 +0200, > > butt3rflyh4ck wrote: > > > > > > The latest kernel upstream. > > > Yes, but using mmap, you can map the runtime->status page, and then > > > copy the data through memcpy to overwrite the status->state data, or > > > even more, which is incredible. > > > > Ah, then that's exactly the case my latest patch set covers. > > Either the first patch or the second patch alone should work. > > https://lore.kernel.org/r/20220926135558.26580-2-tiwai@suse.de > > https://lore.kernel.org/r/20220926135558.26580-3-tiwai@suse.de > > > > Could you verify either of them fixes the problem? > > > > > > thanks, > > > > Takashi > > > > -- > Active Defense Lab of Venustech >
WARNING: multiple messages have this Message-ID (diff)
From: Takashi Iwai <tiwai@suse.de> To: butt3rflyh4ck <butterflyhuangxx@gmail.com> Cc: alsa-devel@alsa-project.org, LKML <linux-kernel@vger.kernel.org>, pierre-louis.bossart@linux.intel.com, tiwai@suse.com, broonie@kernel.org Subject: Re: A divide error bug in snd_pcm_write Date: Thu, 29 Sep 2022 18:14:39 +0200 [thread overview] Message-ID: <87tu4q6tu8.wl-tiwai@suse.de> (raw) In-Reply-To: <CAFcO6XNsqKCzNBiBF4eYyh+RCSGBp_5HSzxF0gw0kgfQ2FDAiQ@mail.gmail.com> On Thu, 29 Sep 2022 16:52:10 +0200, butt3rflyh4ck wrote: > > This one fixes the problem. > https://lore.kernel.org/all/20220926135558.26580-2-tiwai@suse.de/ Thanks for confirmation! The fix should be included in 6.1-rc1. Takashi > > Regards, > butt3rflyh4ck. > > On Tue, Sep 27, 2022 at 2:01 AM Takashi Iwai <tiwai@suse.de> wrote: > > > > On Mon, 26 Sep 2022 19:16:48 +0200, > > butt3rflyh4ck wrote: > > > > > > The latest kernel upstream. > > > Yes, but using mmap, you can map the runtime->status page, and then > > > copy the data through memcpy to overwrite the status->state data, or > > > even more, which is incredible. > > > > Ah, then that's exactly the case my latest patch set covers. > > Either the first patch or the second patch alone should work. > > https://lore.kernel.org/r/20220926135558.26580-2-tiwai@suse.de > > https://lore.kernel.org/r/20220926135558.26580-3-tiwai@suse.de > > > > Could you verify either of them fixes the problem? > > > > > > thanks, > > > > Takashi > > > > -- > Active Defense Lab of Venustech >
next prev parent reply other threads:[~2022-09-29 16:15 UTC|newest] Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-09-26 9:26 A divide error bug in snd_pcm_write butt3rflyh4ck 2022-09-26 10:21 ` Takashi Iwai 2022-09-26 10:21 ` Takashi Iwai 2022-09-26 17:16 ` butt3rflyh4ck 2022-09-26 17:16 ` butt3rflyh4ck 2022-09-26 18:01 ` Takashi Iwai 2022-09-26 18:01 ` Takashi Iwai 2022-09-29 14:52 ` butt3rflyh4ck 2022-09-29 14:52 ` butt3rflyh4ck 2022-09-29 16:14 ` Takashi Iwai [this message] 2022-09-29 16:14 ` Takashi Iwai
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