------------[ cut here ]------------ WARNING: CPU: 0 PID: 48 at net/mac80211/chan.c:92 ieee80211_chanctx_reserved_chandef net/mac80211/chan.c:90 [inline] WARNING: CPU: 0 PID: 48 at net/mac80211/chan.c:92 ieee80211_chsw_switch_hwconf net/mac80211/chan.c:1421 [inline] WARNING: CPU: 0 PID: 48 at net/mac80211/chan.c:92 ieee80211_vif_use_reserved_switch+0x10e8/0x28f0 net/mac80211/chan.c:1637 Modules linked in: CPU: 0 PID: 48 Comm: kworker/u4:3 Not tainted 6.6.97-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 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:1421 [inline] RIP: 0010:ieee80211_vif_use_reserved_switch+0x10e8/0x28f0 net/mac80211/chan.c:1637 Code: 48 89 df e8 1a e1 ea f7 e9 dc fc ff ff e8 50 32 92 f7 eb 24 e8 49 32 92 f7 c7 04 24 f4 ff ff ff e9 e4 f5 ff ff e8 38 32 92 f7 <0f> 0b 0f 0b e9 cf f5 ff ff e8 2a 32 92 f7 48 8b 7c 24 08 4c 8b 7c RSP: 0018:ffffc90000b8f9c0 EFLAGS: 00010293 RAX: ffffffff89f3603e RBX: 0000000000000001 RCX: ffff88801ce71e00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffff8880737cd5af R09: 1ffff1100e6f9ab5 R10: dffffc0000000000 R11: ffffed100e6f9ab6 R12: 0000000000000001 R13: ffff8880737ce5d9 R14: ffff88802d262c70 R15: ffff88802d262ce8 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055557d31d808 CR3: 0000000023cb0000 CR4: 00000000003506f0 Call Trace: ieee80211_link_use_reserved_context+0x383/0x5c0 net/mac80211/chan.c:1926 __ieee80211_csa_finalize net/mac80211/cfg.c:3679 [inline] ieee80211_csa_finalize+0x59a/0xf00 net/mac80211/cfg.c:3718 ieee80211_csa_finalize_work+0xf6/0x140 net/mac80211/cfg.c:3743 process_one_work kernel/workqueue.c:2634 [inline] process_scheduled_works+0xa45/0x15b0 kernel/workqueue.c:2711 worker_thread+0xa55/0xfc0 kernel/workqueue.c:2792 kthread+0x2fa/0x390 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293