From: <gregkh@linuxfoundation.org>
To: andreyknvl@gmail.com, clemens@ladisch.de,
gregkh@linuxfoundation.org, tiwai@suse.de
Cc: <stable@vger.kernel.org>, <stable-commits@vger.kernel.org>
Subject: Patch "ALSA: usb-audio: avoid freeing umidi object twice" has been added to the 3.14-stable tree
Date: Sun, 14 Feb 2016 11:46:00 -0800 [thread overview]
Message-ID: <1455479160212118@kroah.com> (raw)
This is a note to let you know that I've just added the patch titled
ALSA: usb-audio: avoid freeing umidi object twice
to the 3.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
alsa-usb-audio-avoid-freeing-umidi-object-twice.patch
and it can be found in the queue-3.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.
>From 07d86ca93db7e5cdf4743564d98292042ec21af7 Mon Sep 17 00:00:00 2001
From: Andrey Konovalov <andreyknvl@gmail.com>
Date: Sat, 13 Feb 2016 11:08:06 +0300
Subject: ALSA: usb-audio: avoid freeing umidi object twice
From: Andrey Konovalov <andreyknvl@gmail.com>
commit 07d86ca93db7e5cdf4743564d98292042ec21af7 upstream.
The 'umidi' object will be free'd on the error path by snd_usbmidi_free()
when tearing down the rawmidi interface. So we shouldn't try to free it
in snd_usbmidi_create() after having registered the rawmidi interface.
Found by KASAN.
Signed-off-by: Andrey Konovalov <andreyknvl@gmail.com>
Acked-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
sound/usb/midi.c | 1 -
1 file changed, 1 deletion(-)
--- a/sound/usb/midi.c
+++ b/sound/usb/midi.c
@@ -2365,7 +2365,6 @@ int snd_usbmidi_create(struct snd_card *
else
err = snd_usbmidi_create_endpoints(umidi, endpoints);
if (err < 0) {
- snd_usbmidi_free(umidi);
return err;
}
Patches currently in stable-queue which might be from andreyknvl@gmail.com are
queue-3.14/alsa-usb-audio-avoid-freeing-umidi-object-twice.patch
reply other threads:[~2016-02-14 19:46 UTC|newest]
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