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wifi: mac80211: fix list iteration in ieee80211_add_virtual_monitor()

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Since 'mon_list' of 'struct ieee80211_local' is RCU-protected and
an instances of 'struct ieee80211_sub_if_data' are linked there
via 'u.mntr.list' member, adjust the corresponding list iteration
in 'ieee80211_add_virtual_monitor()' accordingly.

Reported-by: syzbot+bc1aabf52d0a31e91f96@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=bc1aabf52d0a31e91f96
Fixes: a5aa46f1ac4f ("wifi: mac80211: track MU-MIMO configuration on disabled interfaces")
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Link: https://patch.msgid.link/20251204130533.340069-1-dmantipov@yandex.ru
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Dmitry Antipov 2025-12-04 16:05:33 +03:00 committed by Johannes Berg
parent 7623cc423e
commit cbf0dc37bb
1 changed files with 1 additions and 1 deletions
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2
net/mac80211/iface.c
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@ -1251,7 +1251,7 @@ configure_monitor:
if (!creator_sdata) {
struct ieee80211_sub_if_data *other;
list_for_each_entry(other, &local->mon_list, list) {
list_for_each_entry_rcu(other, &local->mon_list, u.mntr.list) {
if (!other->vif.bss_conf.mu_mimo_owner)
continue;