------------[ cut here ]------------ WARNING: CPU: 0 PID: 5026 at net/mac80211/ibss.c:503 ieee80211_ibss_csa_beacon+0x544/0x620 net/mac80211/ibss.c:503 Modules linked in: CPU: 0 PID: 5026 Comm: kworker/u4:8 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 Workqueue: phy14 ieee80211_iface_work RIP: 0010:ieee80211_ibss_csa_beacon+0x544/0x620 net/mac80211/ibss.c:503 Code: f8 c6 05 76 fb 30 04 01 48 c7 c7 50 3f 39 8b be 01 02 00 00 48 c7 c2 e0 3f 39 8b e8 b6 e5 6b 00 e9 62 fe ff ff e8 1c ee 33 f8 <0f> 0b b8 ea ff ff ff e9 7a ff ff ff e8 0b ee 33 f8 0f 0b e9 23 fb RSP: 0018:ffffc90003c4f4d0 EFLAGS: 00010283 RAX: ffffffff89453184 RBX: ffff888060121b08 RCX: 0000000000100000 RDX: ffffc90003421000 RSI: 00000000000008c7 RDI: 00000000000008c8 RBP: dffffc0000000000 R08: ffffffff901d118f R09: 1ffffffff203a231 R10: dffffc0000000000 R11: fffffbfff203a232 R12: ffff888060121288 R13: ffff88801b1b85c0 R14: ffff888060120c80 R15: 1ffff1100c024251 FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000000fe030 CR3: 000000004961b000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000001800 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_set_csa_beacon+0x6b0/0x9c0 net/mac80211/cfg.c:3383 __ieee80211_channel_switch net/mac80211/cfg.c:3513 [inline] ieee80211_channel_switch+0x7dc/0xcc0 net/mac80211/cfg.c:3551 ieee80211_ibss_process_chanswitch+0xa7b/0xcd0 net/mac80211/ibss.c:892 ieee80211_rx_mgmt_spectrum_mgmt net/mac80211/ibss.c:931 [inline] ieee80211_ibss_rx_queued_mgmt+0xed1/0x2ab0 net/mac80211/ibss.c:1667 ieee80211_iface_process_skb net/mac80211/iface.c:1459 [inline] ieee80211_iface_work+0x70e/0xc60 net/mac80211/iface.c:1513 process_one_work+0x85f/0x1010 kernel/workqueue.c:2310 worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457 kthread+0x436/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287