This is a note to let you know that I've just added the patch titled
wifi: mac80211: free skb on error path in ieee80211_beacon_get_ap()
to the 6.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
wifi-mac80211-free-skb-on-error-path-in-ieee80211_be.patch
and it can be found in the queue-6.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 1ed8d766ab15e822f93a242a2f5f7df5d20d8370
Author: Dmitry Antipov <dmantipov@xxxxxxxxx>
Date: Mon Aug 5 17:20:35 2024 +0300
wifi: mac80211: free skb on error path in ieee80211_beacon_get_ap()
[ Upstream commit 786c5be9ac29a39b6f37f1fdd2ea59d0fe35d525 ]
In 'ieee80211_beacon_get_ap()', free allocated skb in case of error
returned by 'ieee80211_beacon_protect()'. Compile tested only.
Signed-off-by: Dmitry Antipov <dmantipov@xxxxxxxxx>
Link: https://patch.msgid.link/20240805142035.227847-1-dmantipov@xxxxxxxxx
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index edba4a31844fb..bca7b341dd772 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -5348,8 +5348,10 @@ ieee80211_beacon_get_ap(struct ieee80211_hw *hw,
if (beacon->tail)
skb_put_data(skb, beacon->tail, beacon->tail_len);
- if (ieee80211_beacon_protect(skb, local, sdata, link) < 0)
+ if (ieee80211_beacon_protect(skb, local, sdata, link) < 0) {
+ dev_kfree_skb(skb);
return NULL;
+ }
ieee80211_beacon_get_finish(hw, vif, link, offs, beacon, skb,
chanctx_conf, csa_off_base);
