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Date: Tue, 27 Nov 2012 13:23:43 +0000 From: Steve Glendinning <steve.glendinning@...well.net> To: netdev@...r.kernel.org Cc: dan.carpenter@...cle.com, Steve Glendinning <steve.glendinning@...well.net> Subject: [PATCH] smsc95xx: fix suspend buffer overflow This patch fixes a buffer overflow introduced by bbd9f9e, where the filter_mask array is accessed beyond its bounds. Reported-by: Dan Carpenter <dan.carpenter@...cle.com> Signed-off-by: Steve Glendinning <steve.glendinning@...well.net> --- drivers/net/usb/smsc95xx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index 79d495d..6cdc504 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -1281,7 +1281,7 @@ static int smsc95xx_suspend(struct usb_interface *intf, pm_message_t message) } if (pdata->wolopts & (WAKE_BCAST | WAKE_MCAST | WAKE_ARP | WAKE_UCAST)) { - u32 *filter_mask = kzalloc(32, GFP_KERNEL); + u32 *filter_mask = kzalloc(sizeof(u32) * 32, GFP_KERNEL); u32 command[2]; u32 offset[2]; u32 crc[4]; -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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