The "delba" variable is a pointer to struct rtllib_hdr_3addr so this pointer math bug means that we read nonsense data from beyond the end of the buffer. It could result in a oops if the memory is not mapped. Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> diff --git a/drivers/staging/rtl8192e/rtl819x_BAProc.c b/drivers/staging/rtl8192e/rtl819x_BAProc.c index 60f536c..98e6c4e 100644 --- a/drivers/staging/rtl8192e/rtl819x_BAProc.c +++ b/drivers/staging/rtl8192e/rtl819x_BAProc.c @@ -453,7 +453,7 @@ int rtllib_rx_DELBA(struct rtllib_device *ieee, struct sk_buff *skb) #endif delba = (struct rtllib_hdr_3addr *)skb->data; dst = (u8 *)(&delba->addr2[0]); - delba += sizeof(struct rtllib_hdr_3addr); + delba++; pDelBaParamSet = (union delba_param_set *)(delba+2); pReasonCode = (u16 *)(delba+4); -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html