------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0xfff with flags 0x20 WARNING: CPU: 0 PID: 75 at net/mac80211/rate.c:385 __rate_control_send_low+0x635/0x880 net/mac80211/rate.c:380 Modules linked in: CPU: 0 PID: 75 Comm: kworker/u4:4 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 Workqueue: phy5 ieee80211_iface_work RIP: 0010:__rate_control_send_low+0x635/0x880 net/mac80211/rate.c:380 Code: 30 42 0f b6 04 28 84 c0 0f 85 e6 01 00 00 41 8b 0e 48 c7 c7 60 31 86 8b 48 8b 74 24 10 44 8b 44 24 1c 45 89 e1 e8 6b a9 be f7 <0f> 0b e9 78 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 03 fa ff RSP: 0018:ffffc90000007600 EFLAGS: 00010246 RAX: 4ba53a7f30358300 RBX: 000000000000000c RCX: ffff888018793b80 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002 RBP: 0000000000000084 R08: dffffc0000000000 R09: fffff52000000e51 R10: fffff52000000e51 R11: 1ffff92000000e50 R12: 0000000000000020 R13: dffffc0000000000 R14: ffff8880545fb378 R15: ffff888078af7de8 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c3c04f3 CR3: 000000000c68e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rate_control_send_low+0x194/0x790 net/mac80211/rate.c:405 rate_control_get_rate+0x207/0x5c0 net/mac80211/rate.c:921 ieee80211_beacon_get_finish+0x37c/0x6a0 net/mac80211/tx.c:5131 ieee80211_beacon_get_ap+0xf3e/0x1600 net/mac80211/tx.c:5234 __ieee80211_beacon_get+0x10eb/0x1600 net/mac80211/tx.c:5330 ieee80211_beacon_get_tim+0x63/0x4e0 net/mac80211/tx.c:5472 ieee80211_beacon_get include/net/mac80211.h:5335 [inline] mac80211_hwsim_beacon_tx+0x21c/0xae0 drivers/net/wireless/mac80211_hwsim.c:2091 __iterate_interfaces+0x243/0x500 net/mac80211/util.c:788 ieee80211_iterate_active_interfaces_atomic+0xd7/0x170 net/mac80211/util.c:824 mac80211_hwsim_beacon+0xb7/0x1b0 drivers/net/wireless/mac80211_hwsim.c:2147 __run_hrtimer kernel/time/hrtimer.c:1747 [inline] __hrtimer_run_queues+0x554/0xd60 kernel/time/hrtimer.c:1811 hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1828 handle_softirqs+0x2a1/0x920 kernel/softirq.c:596 do_softirq+0x13b/0x200 kernel/softirq.c:497 __local_bh_enable_ip+0x174/0x1b0 kernel/softirq.c:421 spin_unlock_bh include/linux/spinlock.h:396 [inline] cfg80211_bss_update+0x1c79/0x2250 net/wireless/scan.c:1936 cfg80211_inform_single_bss_frame_data net/wireless/scan.c:2512 [inline] cfg80211_inform_bss_frame_data+0x9f4/0x1370 net/wireless/scan.c:2545 ieee80211_bss_info_update+0x734/0xbc0 net/mac80211/scan.c:190 ieee80211_rx_bss_info net/mac80211/ibss.c:1120 [inline] ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1609 [inline] ieee80211_ibss_rx_queued_mgmt+0x17b4/0x2b10 net/mac80211/ibss.c:1638 ieee80211_iface_process_skb net/mac80211/iface.c:1679 [inline] ieee80211_iface_work+0x726/0xc80 net/mac80211/iface.c:1733 process_one_work+0x898/0x1160 kernel/workqueue.c:2292 worker_thread+0xaa2/0x1250 kernel/workqueue.c:2439 kthread+0x29d/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295