From 826c28fa983a0534fba5e78b4d5d1a4ae50673f1 Mon Sep 17 00:00:00 2001 From: "Bjoern A. Zeeb" Date: Thu, 30 Nov 2023 18:20:22 +0000 Subject: [PATCH] net80211: ieee80211_dump_node() check for channel to be set Avoid panics in case ieee80211_dump_node() gets called before a channel context is set. Sponsored by: The FreeBSD Foundation (cherry picked from commit c93be3079be5f07fe3596ec389826e45f5dc82bd) --- sys/net80211/ieee80211_node.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/sys/net80211/ieee80211_node.c b/sys/net80211/ieee80211_node.c index f277293ceb1..123da34ad3f 100644 --- a/sys/net80211/ieee80211_node.c +++ b/sys/net80211/ieee80211_node.c @@ -2647,7 +2647,8 @@ ieee80211_dump_node(struct ieee80211_node_table *nt __unused, printf("\tbssid %s essid \"%.*s\" channel %u:0x%x\n", ether_sprintf(ni->ni_bssid), ni->ni_esslen, ni->ni_essid, - ni->ni_chan->ic_freq, ni->ni_chan->ic_flags); + (ni->ni_chan != IEEE80211_CHAN_ANYC) ? ni->ni_chan->ic_freq : 0, + (ni->ni_chan != IEEE80211_CHAN_ANYC) ? ni->ni_chan->ic_flags : 0); printf("\tinact %u inact_reload %u txrate %u\n", ni->ni_inact, ni->ni_inact_reload, ni->ni_txrate); printf("\thtcap %x htparam %x htctlchan %u ht2ndchan %u\n",