ALSA: usb/quirks, fix out-of-bounds access · 4909a0caab - Gogs

ALSA: usb/quirks, fix out-of-bounds access

bootresponse in snd_usb_mbox2_boot_quirk is only 12 (decimal) u8's
long, but i9s passed to snd_usb_ctl_msg as it would be 0x12 (hexa)
long. Fix that by having proper size of the array, i.e. 0x12.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

Jiri Slaby 12 years ago

parent

c881f80ba8

commit

4909a0caab

1 changed files with 1 additions and 1 deletions

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							+ 1
							
							- 1
						
sound/usb/quirks.c
							 
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				@@ -533,7 +533,7 @@ static int snd_usb_mbox2_boot_quirk(struct usb_device *dev)
			
				 {
			
				 	struct usb_host_config *config = dev->actconfig;
			
				 	int err;
			
				-	u8 bootresponse[12];
			
				+	u8 bootresponse[0x12];
			
				 	int fwsize;
			
				 	int count;