------------[ 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:1422 [inline] WARNING: CPU: 0 PID: 48 at net/mac80211/chan.c:92 ieee80211_vif_use_reserved_switch+0x10e8/0x28f0 net/mac80211/chan.c:1638 Modules linked in: CPU: 0 PID: 48 Comm: kworker/u4:3 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 Workqueue: phy13 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 06 ea f7 e9 dc fc ff ff e8 f0 bf 92 f7 eb 24 e8 e9 bf 92 f7 c7 04 24 f4 ff ff ff e9 e4 f5 ff ff e8 d8 bf 92 f7 <0f> 0b 0f 0b e9 cf f5 ff ff e8 ca bf 92 f7 48 8b 7c 24 08 4c 8b 7c RSP: 0000:ffffc90000b8f9c0 EFLAGS: 00010293 RAX: ffffffff89f2cbce RBX: 0000000000000001 RCX: ffff88801b243c00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffff888060ead5af R09: 1ffff1100c1d5ab5 R10: dffffc0000000000 R11: ffffed100c1d5ab6 R12: 0000000000000001 R13: ffff888060eae5d9 R14: ffff88807918ac70 R15: ffff88807918ace8 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f93c6a01000 CR3: 000000005e17f000 CR4: 00000000003506f0 Call Trace: ieee80211_link_use_reserved_context+0x383/0x5c0 net/mac80211/chan.c:1927 __ieee80211_csa_finalize net/mac80211/cfg.c:3679 [inline] ieee80211_csa_finalize+0x59a/0xf00 net/mac80211/cfg.c:3718