Messages in this thread | | | Date | Tue, 14 Jan 2020 09:42:30 +0100 | From | Takashi Iwai <> | Subject | Re: [PATCH] ALSA: usb-audio: fix sync-ep altsetting sanity check |
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On Tue, 14 Jan 2020 09:39:53 +0100, Johan Hovold wrote: > > The altsetting sanity check in set_sync_ep_implicit_fb_quirk() was > checking for there to be at least one altsetting but then went on to > access the second one, which may not exist. > > This could lead to random slab data being used to initialise the sync > endpoint in snd_usb_add_endpoint(). > > Fixes: c75a8a7ae565 ("ALSA: snd-usb: add support for implicit feedback") > Fixes: ca10a7ebdff1 ("ALSA: usb-audio: FT C400 sync playback EP to capture EP") > Fixes: 5e35dc0338d8 ("ALSA: usb-audio: add implicit fb quirk for Behringer UFX1204") > Fixes: 17f08b0d9aaf ("ALSA: usb-audio: add implicit fb quirk for Axe-Fx II") > Fixes: 103e9625647a ("ALSA: usb-audio: simplify set_sync_ep_implicit_fb_quirk") > Cc: stable <stable@vger.kernel.org> # 3.5 > Signed-off-by: Johan Hovold <johan@kernel.org>
Thanks, applied now.
Takashi
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