------------[ cut here ]------------ WARNING: CPU: 0 PID: 2947 at net/mac80211/chan.c:92 ieee80211_chanctx_reserved_chandef net/mac80211/chan.c:90 [inline] WARNING: CPU: 0 PID: 2947 at net/mac80211/chan.c:92 ieee80211_chsw_switch_hwconf net/mac80211/chan.c:1422 [inline] WARNING: CPU: 0 PID: 2947 at net/mac80211/chan.c:92 ieee80211_vif_use_reserved_switch+0x10e8/0x28f0 net/mac80211/chan.c:1638 Modules linked in: CPU: 0 PID: 2947 Comm: kworker/u4:9 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 Workqueue: phy5 ieee80211_csa_finalize_work RIP: 0010:ieee80211_chanctx_reserved_chandef net/mac80211/chan.c:92 [inline] RIP: 0010:ieee80211_chsw_switch_hwconf net/mac80211/chan.c:1422 [inline] RIP: 0010:ieee80211_vif_use_reserved_switch+0x10e8/0x28f0 net/mac80211/chan.c:1638 Code: 48 89 df e8 fa 70 d7 f7 e9 dc fc ff ff e8 20 42 7f f7 eb 24 e8 19 42 7f f7 c7 04 24 f4 ff ff ff e9 e4 f5 ff ff e8 08 42 7f f7 <0f> 0b 0f 0b e9 cf f5 ff ff e8 fa 41 7f f7 48 8b 7c 24 08 4c 8b 7c RSP: 0018:ffffc9000c0779c0 EFLAGS: 00010293 RAX: ffffffff8a07d65e RBX: 0000000000000001 RCX: ffff88802c295a00