------------[ cut here ]------------ WARNING: CPU: 0 PID: 4821 at net/mac80211/chan.c:92 ieee80211_chanctx_reserved_chandef net/mac80211/chan.c:90 [inline] WARNING: CPU: 0 PID: 4821 at net/mac80211/chan.c:92 ieee80211_chsw_switch_hwconf net/mac80211/chan.c:1422 [inline] WARNING: CPU: 0 PID: 4821 at net/mac80211/chan.c:92 ieee80211_vif_use_reserved_switch+0x110e/0x2900 net/mac80211/chan.c:1638 Modules linked in: CPU: 0 PID: 4821 Comm: kworker/u4:11 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Workqueue: phy8 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+0x110e/0x2900 net/mac80211/chan.c:1638 Code: 48 89 df e8 d4 44 d0 f7 e9 d6 fc ff ff e8 7a c2 77 f7 eb 24 e8 73 c2 77 f7 c7 04 24 f4 ff ff ff e9 cc f5 ff ff e8 62 c2 77 f7 <0f> 0b 0f 0b e9 b7 f5 ff ff e8 54 c2 77 f7 48 8b 7c 24 08 4c 8b 74 RSP: 0018:ffffc9000f5bf9c0 EFLAGS: 00010293 RAX: ffffffff8a0fab12 RBX: 0000000000000001 RCX: ffff888031665a00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffff88805ce5562f R09: 1ffff1100b9caac5