DivestOS/Patches/Linux_CVEs/CVE-2016-2384/ANY/0.patch
2017-10-29 22:14:37 -04:00

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Diff

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
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>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/usb/midi.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/sound/usb/midi.c b/sound/usb/midi.c
index cc39f63..007cf58 100644
--- a/sound/usb/midi.c
+++ b/sound/usb/midi.c
@@ -2455,7 +2455,6 @@ int snd_usbmidi_create(struct snd_card *card,
else
err = snd_usbmidi_create_endpoints(umidi, endpoints);
if (err < 0) {
- snd_usbmidi_free(umidi);
return err;
}
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