From: Felix Fietkau <nbd@xxxxxxxx>
commit 8f0149a8ac59c12cd47271ac625c27dac5621d3a upstream.
Linearize packets (needed for forwarding A-MSDU subframes).
Fixes: 986e43b19ae9 ("wifi: mac80211: fix receiving A-MSDU frames on mesh interfaces")
Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
Link: https://lore.kernel.org/r/20230324120924.38412-1-nbd@xxxxxxxx
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/mac80211/rx.c | 3 +++
1 file changed, 3 insertions(+)
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -2838,6 +2838,9 @@ ieee80211_rx_mesh_data(struct ieee80211_
if (skb_cow_head(fwd_skb, hdrlen - sizeof(struct ethhdr)))
return RX_DROP_UNUSABLE;
+
+ if (skb_linearize(fwd_skb))
+ return RX_DROP_UNUSABLE;
}
fwd_hdr = skb_push(fwd_skb, hdrlen - sizeof(struct ethhdr));
Patches currently in stable-queue which might be from nbd@xxxxxxxx are
queue-6.1/wifi-cfg80211-fix-receiving-mesh-packets-without-rfc1042-header.patch
queue-6.1/wifi-mac80211-fix-potential-null-pointer-dereference.patch
queue-6.1/udp-fix-receiving-fraglist-gso-packets.patch
queue-6.1/wifi-mac80211-fix-mesh-path-discovery-based-on-unicast-packets.patch
queue-6.1/wifi-mac80211-fix-mesh-forwarding.patch
queue-6.1/wifi-mac80211-fix-receiving-a-msdu-frames-on-mesh-in.patch
queue-6.1/wifi-mac80211-fix-flow-dissection-for-forwarded-packets.patch
queue-6.1/wifi-mac80211-drop-bogus-static-keywords-in-a-msdu-rx.patch
queue-6.1/wifi-cfg80211-factor-out-bridge-tunnel-rfc1042-heade.patch
queue-6.1/wifi-mac80211-fix-receiving-mesh-packets-in-forwarding-0-networks.patch
queue-6.1/wifi-mac80211-fix-and-simplify-unencrypted-drop-chec.patch
queue-6.1/wifi-mac80211-remove-mesh-forwarding-congestion-chec.patch
queue-6.1/wifi-cfg80211-move-a-msdu-check-in-ieee80211_data_to.patch
queue-6.1/wifi-mac80211-add-a-workaround-for-receiving-non-sta.patch
