The "delba" variable is a pointer to struct rtl_80211_hdr_3addr so this addition here means we read nonsense data from beyond the end of the buffer. It could result in an oops if the memory is not mapped. Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> diff --git a/drivers/staging/rtl8192u/ieee80211/rtl819x_BAProc.c b/drivers/staging/rtl8192u/ieee80211/rtl819x_BAProc.c index 9ff8e05..c1c1a1e 100644 --- a/drivers/staging/rtl8192u/ieee80211/rtl819x_BAProc.c +++ b/drivers/staging/rtl8192u/ieee80211/rtl819x_BAProc.c @@ -592,7 +592,7 @@ int ieee80211_rx_DELBA(struct ieee80211_device *ieee, struct sk_buff *skb) IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA|IEEE80211_DL_BA, skb->data, skb->len); delba = (struct rtl_80211_hdr_3addr *)skb->data; dst = (u8 *)(&delba->addr2[0]); - delba += sizeof(struct rtl_80211_hdr_3addr); + delba++; pDelBaParamSet = (PDELBA_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
