5.10-stable review patch. If anyone has any objections, please let me know.
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From: Remi Pommarel repk@triplefau.lt
[ Upstream commit 4037c468d1b3c508d69e6df0ef47fdee3d440e39 ]
With 802.11 encapsulation offloading, ieee80211_tx_h_select_key() is called on 802.3 frames. In that case do not try to use skb data as valid 802.11 headers.
Reported-by: Bert Karwatzki spasswolf@web.de Closes: https://lore.kernel.org/linux-wireless/20250410215527.3001-1-spasswolf@web.d... Fixes: bb42f2d13ffc ("mac80211: Move reorder-sensitive TX handlers to after TXQ dequeue") Signed-off-by: Remi Pommarel repk@triplefau.lt Link: https://patch.msgid.link/1af4b5b903a5fca5ebe67333d5854f93b2be5abe.1752765971... Signed-off-by: Johannes Berg johannes.berg@intel.com Signed-off-by: Sasha Levin sashal@kernel.org --- net/mac80211/tx.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 0d6d12fc3c07..509ea77dc2bb 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -620,6 +620,12 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx) else tx->key = NULL;
+ if (info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP) { + if (tx->key && tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) + info->control.hw_key = &tx->key->conf; + return TX_CONTINUE; + } + if (tx->key) { bool skip_hw = false;