------------[ cut here ]------------ WARNING: CPU: 1 PID: 4141 at net/mac80211/ibss.c:500 ieee80211_ibss_csa_beacon+0x58e/0x640 Modules linked in: CPU: 1 PID: 4141 Comm: kworker/u4:10 Not tainted 6.1.73-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Workqueue: phy4 ieee80211_csa_finalize_work RIP: 0010:ieee80211_ibss_csa_beacon+0x58e/0x640 net/mac80211/ibss.c:500 Code: f7 c6 05 49 4b 57 04 01 48 c7 c7 70 7c fc 8b be fd 01 00 00 48 c7 c2 00 7d fc 8b e8 4c a6 62 f7 e9 7d fe ff ff e8 82 77 82 f7 <0f> 0b b8 ea ff ff ff e9 7a ff ff ff e8 71 77 82 f7 0f 0b e9 d9 fa RSP: 0018:ffffc9000a30fb58 EFLAGS: 00010293 RAX: ffffffff8a07fb3e RBX: ffff888077fb3778 RCX: ffff888073419dc0 RDX: 0000000000000000 RSI: ffffffff8aebe640 RDI: ffffffff8b3cfa80 RBP: ffff888075ee1ad2 R08: dffffc0000000000 R09: fffffbfff209225c R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888075ee1ad8 R13: ffff888075ee0c80 R14: ffff888077fb0760 R15: ffff888075ee1af8 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005610945dbc58 CR3: 000000008e588000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_set_after_csa_beacon net/mac80211/cfg.c:3495 [inline] __ieee80211_csa_finalize net/mac80211/cfg.c:3551 [inline] ieee80211_csa_finalize+0x4da/0xc50 net/mac80211/cfg.c:3574 ieee80211_csa_finalize_work+0xf8/0x140 net/mac80211/cfg.c:3599 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306