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wifi: mac80211: fix use-after-free 

We've already freed the assoc_data at this point, so need
to use another copy of the AP (MLD) address instead.

Fixes: 81151ce462 ("wifi: mac80211: support MLO authentication/association with one link")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2022-08-17 10:44:05 +02:00
parent c88f1542ee
commit 40fb871290
1 changed files with 1 additions and 1 deletions
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2
net/mac80211/mlme.c
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@ -5124,7 +5124,7 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
resp.req_ies = ifmgd->assoc_req_ies; resp.req_ies = ifmgd->assoc_req_ies;
resp.req_ies_len = ifmgd->assoc_req_ies_len; resp.req_ies_len = ifmgd->assoc_req_ies_len;
if (sdata->vif.valid_links) if (sdata->vif.valid_links)
resp.ap_mld_addr = assoc_data->ap_addr; resp.ap_mld_addr = sdata->vif.cfg.ap_addr;
cfg80211_rx_assoc_resp(sdata->dev, &resp); cfg80211_rx_assoc_resp(sdata->dev, &resp);
notify_driver: notify_driver:
drv_mgd_complete_tx(sdata->local, sdata, &info); drv_mgd_complete_tx(sdata->local, sdata, &info);