------------[ cut here ]------------ WARNING: CPU: 1 PID: 42 at net/mac80211/chan.c:92 ieee80211_chanctx_reserved_chandef net/mac80211/chan.c:90 [inline] WARNING: CPU: 1 PID: 42 at net/mac80211/chan.c:92 ieee80211_chsw_switch_hwconf net/mac80211/chan.c:1422 [inline] WARNING: CPU: 1 PID: 42 at net/mac80211/chan.c:92 ieee80211_vif_use_reserved_switch+0x10e8/0x28f0 net/mac80211/chan.c:1638 Modules linked in: CPU: 1 PID: 42 Comm: kworker/u4:2 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 Workqueue: phy4 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 1a 4a d6 f7 e9 dc fc ff ff e8 90 12 7e f7 eb 24 e8 89 12 7e f7 c7 04 24 f4 ff ff ff e9 e4 f5 ff ff e8 78 12 7e f7 <0f> 0b 0f 0b e9 cf f5 ff ff e8 6a 12 7e f7 48 8b 7c 24 08 4c 8b 7c RSP: 0018:ffffc90000b2f9c0 EFLAGS: 00010293 RAX: ffffffff8a090b8e RBX: 0000000000000001 RCX: ffff8880186f1e00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffff88805d1155af R09: 1ffff1100ba22ab5 R10: dffffc0000000000 R11: ffffed100ba22ab6 R12: 0000000000000001 R13: ffff88805d1165d9 R14: ffff88807d73ac70 R15: ffff88807d73ace8 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033