------------[ cut here ]------------
no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0
WARNING: CPU: 1 PID: 19897 at net/mac80211/rate.c:403 __rate_control_send_low+0x5df/0x820
Modules linked in:
CPU: 1 UID: 0 PID: 19897 Comm: syz.1.5610 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__rate_control_send_low+0x5df/0x820
Code: 38 0f b6 04 28 84 c0 0f 85 d7 01 00 00 41 8b 0f 48 c7 c7 80 8a b0 8c 48 8b 74 24 18 44 8b 44 24 2c 45 89 e9 e8 b2 59 92 f6 90 <0f> 0b 90 90 e9 73 fe ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c
RSP: 0018:ffffc900001e0758 EFLAGS: 00010246
RAX: c8ba326166ba9600 RBX: 000000000000000c RCX: ffff88801c713980
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: dffffc0000000000 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa1f4 R12: ffff88810fe0ef28
R13: 0000000000000000 R14: ffff888118c80e40 R15: ffff888118c830d8
FS:  00005555766ef500(0000) GS:ffff8881a3c14000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3c70a9 CR3: 0000000027618000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 rate_control_send_low+0x194/0x7a0
 rate_control_get_rate+0x20b/0x5d0
 ieee80211_beacon_get_finish+0x39a/0x6c0
 __ieee80211_beacon_get+0xd3d/0x1880
 ieee80211_beacon_get_tim+0xb4/0x2b0
 mac80211_hwsim_beacon_tx+0x3ce/0x860
 __iterate_interfaces+0x2ab/0x590
 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180
 mac80211_hwsim_beacon+0xbb/0x1c0
 __hrtimer_run_queues+0x52c/0xc60
 hrtimer_run_softirq+0x187/0x2b0
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:finish_task_switch+0x26b/0x950
Code: 0f 84 3c 01 00 00 48 85 db 0f 85 63 01 00 00 0f 1f 44 00 00 4c 8b 75 d0 4c 89 e7 e8 df f6 eb 09 e8 4a 41 36 00 fb 4c 8b 65 c0 <49> 8d bc 24 18 16 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0
RSP: 0018:ffffc90009a574b8 EFLAGS: 00000286
RAX: c8ba326166ba9600 RBX: 0000000000000000 RCX: c8ba326166ba9600
RDX: 0000000000000006 RSI: ffffffff8d9b9d08 RDI: ffffffff8be33880
RBP: ffffc90009a57510 R08: ffffffff8fa39237 R09: 1ffffffff1f47246
R10: dffffc0000000000 R11: fffffbfff1f47247 R12: ffff88801c713980
R13: dffffc0000000000 R14: ffff888024500000 R15: ffff88813663ab58
 __schedule+0x17a0/0x4cc0
 preempt_schedule_notrace+0xd1/0x110
 preempt_schedule_notrace_thunk+0x16/0x30
 kmem_cache_free+0x36e/0x400
 unlink_anon_vmas+0x2cc/0x670
 free_pgtables+0x57a/0x9c0
 exit_mmap+0x444/0xb50
 __mmput+0x118/0x420
 exit_mm+0x1da/0x2c0
 do_exit+0x648/0x2300
 do_group_exit+0x21c/0x2d0
 __x64_sys_exit_group+0x3f/0x40
 x64_sys_call+0x21f7/0x2200
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8fa758ebe9
Code: Unable to access opcode bytes at 0x7f8fa758ebbf.
RSP: 002b:00007ffd2fee8f28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8fa758ebe9
RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffd2fee8f8c R08: 000000052fee901f R09: 00000000000927c0
R10: 0000000000000001 R11: 0000000000000246 R12: 000000000000077b
R13: 00000000000927c0 R14: 000000000004e7a2 R15: 00007ffd2fee8fe0
 </TASK>
