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wifi: mac80211: Don't translate MLD addresses for multicast

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[ Upstream commit daf8fb4295 ]

MLD address translation should be done only for individually addressed
frames. Otherwise, AAD calculation would be wrong and the decryption
would fail.

Fixes: e66b7920aa ("wifi: mac80211: fix initialization of rx->link and rx->link_sta")
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Link: https://lore.kernel.org/r/20230214101048.792414-1-andrei.otcheretianski@intel.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Andrei Otcheretianski
2023-02-14 12:10:48 +02:00
committed by Greg Kroah-Hartman
parent 1d7e57d794
commit 1ee0a1d7fb
1 changed files with 2 additions and 1 deletions
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3
net/mac80211/rx.c
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@@ -4861,7 +4861,8 @@ static bool ieee80211_prepare_and_rx_handle(struct ieee80211_rx_data *rx,
hdr = (struct ieee80211_hdr *)rx->skb->data;
}
if (unlikely(rx->sta && rx->sta->sta.mlo)) {
if (unlikely(rx->sta && rx->sta->sta.mlo) &&
is_unicast_ether_addr(hdr->addr1)) {
/* translate to MLD addresses */
if (ether_addr_equal(link->conf->addr, hdr->addr1))
ether_addr_copy(hdr->addr1, rx->sdata->vif.addr);