------------[ cut here ]------------ WARNING: CPU: 0 PID: 39 at net/mac80211/chan.c:92 ieee80211_chanctx_reserved_chandef net/mac80211/chan.c:90 [inline] WARNING: CPU: 0 PID: 39 at net/mac80211/chan.c:92 ieee80211_chsw_switch_hwconf net/mac80211/chan.c:1422 [inline] WARNING: CPU: 0 PID: 39 at net/mac80211/chan.c:92 ieee80211_vif_use_reserved_switch+0x110e/0x2900 net/mac80211/chan.c:1638 Modules linked in: CPU: 0 PID: 39 Comm: kworker/u4:2 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 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+0x110e/0x2900 net/mac80211/chan.c:1638 Code: 48 89 df e8 a4 8d d8 f7 e9 d6 fc ff ff e8 4a 19 80 f7 eb 24 e8 43 19 80 f7 c7 04 24 f4 ff ff ff e9 cc f5 ff ff e8 32 19 80 f7 <0f> 0b 0f 0b e9 b7 f5 ff ff e8 24 19 80 f7 48 8b 7c 24 08 4c 8b 74 RSP: 0018:ffffc90000aff9c0 EFLAGS: 00010293 RAX: ffffffff8a06c812 RBX: 0000000000000001 RCX: ffff8880186e3c00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffff88805d90562f R09: 1ffff1100bb20ac5 R10: dffffc0000000000 R11: ffffed100bb20ac6 R12: 0000000000000001 R13: ffff88805d906659 R14: ffff88807cf6ad48 R15: ffff88802d779400 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa88cdb8000 CR3: 000000000cf32000 CR4: 00000000003506f0 Call Trace: