diff options
| author | Dmitry Antipov <dmantipov@yandex.ru> | 2025-12-04 16:05:33 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2025-12-16 12:21:12 +0300 |
| commit | cbf0dc37bb4e949f1c76566657e71f8e0bdcf338 (patch) | |
| tree | 5594e18150021412a0009c0335ffb8b76c46b77a /net | |
| parent | 7623cc423e8dc6ff8dc08d140e06c31bd10d519f (diff) | |
| download | linux-cbf0dc37bb4e949f1c76566657e71f8e0bdcf338.tar.xz | |
wifi: mac80211: fix list iteration in ieee80211_add_virtual_monitor()
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>
Diffstat (limited to 'net')
| -rw-r--r-- | net/mac80211/iface.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 4f04d95c19d4..7b0aa24c1f97 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -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; |