This is a note to let you know that I've just added the patch titled
sound: oss: midi_synth: check get_user() return value
to the 2.6.32-longterm tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/longterm/longterm-queue-2.6.32.git;a=summary
The filename of the patch is:
sound-oss-midi_synth-check-get_user-return-value.patch
and it can be found in the queue-2.6.32 subdirectory.
If you, or anyone else, feels it should not be added to the 2.6.32 longterm
tree,
please let <[email protected]> know about it.
>From b3390ceab95601afc12213c3ec5551d3bc7b638f Mon Sep 17 00:00:00 2001
From: Kulikov Vasiliy <[email protected]>
Date: Wed, 28 Jul 2010 20:41:17 +0400
Subject: sound: oss: midi_synth: check get_user() return value
From: Kulikov Vasiliy <[email protected]>
commit b3390ceab95601afc12213c3ec5551d3bc7b638f upstream.
get_user() may fail, if so return -EFAULT.
Signed-off-by: Kulikov Vasiliy <[email protected]>
Signed-off-by: Takashi Iwai <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
sound/oss/midi_synth.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/sound/oss/midi_synth.c
+++ b/sound/oss/midi_synth.c
@@ -519,7 +519,9 @@ midi_synth_load_patch(int dev, int forma
{
unsigned char data;
- get_user(*(unsigned char *) &data, (unsigned char __user *)
&((addr)[hdr_size + i]));
+ if (get_user(data,
+ (unsigned char __user *)(addr + hdr_size + i)))
+ return -EFAULT;
eox_seen = (i > 0 && data & 0x80); /* End of sysex */
Patches currently in longterm-queue-2.6.32 which might be from
[email protected] are
/home/gregkh/linux/longterm/longterm-queue-2.6.32/queue-2.6.32/sound-oss-midi_synth-check-get_user-return-value.patch
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