syzbot

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WARNING: CPU: 0 PID: 58 at net/mac80211/chan.c:92 ieee80211_chanctx_reserved_chandef net/mac80211/chan.c:90 [inline]
WARNING: CPU: 0 PID: 58 at net/mac80211/chan.c:92 ieee80211_chsw_switch_hwconf net/mac80211/chan.c:1421 [inline]
WARNING: CPU: 0 PID: 58 at net/mac80211/chan.c:92 ieee80211_vif_use_reserved_switch+0x10e8/0x28f0 net/mac80211/chan.c:1637
Modules linked in:
CPU: 0 PID: 58 Comm: kworker/u4:4 Not tainted 6.6.102-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Workqueue: phy3 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 ca b4 ea f7 e9 dc fc ff ff e8 b0 6d 93 f7 eb 24 e8 a9 6d 93 f7 c7 04 24 f4 ff ff ff e9 e4 f5 ff ff e8 98 6d 93 f7 <0f> 0b 0f 0b e9 cf f5 ff ff e8 8a 6d 93 f7 48 8b 7c 24 08 4c 8b 7c
RSP: 0018:ffffc900015979c0 EFLAGS: 00010293
RAX: ffffffff89f2198e RBX: 0000000000000001 RCX: ffff88801e2d0000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffff8880767a55af R09: 1ffff1100ecf4ab5
R10: dffffc0000000000 R11: ffffed100ecf4ab6 R12: 0000000000000001
R13: ffff8880767a65d9 R14: ffff88803125ac70 R15: ffff88803125ace8
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f092b549270 CR3: 000000000cb30000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 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
 </TASK>