------------[ cut here ]------------
no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0
WARNING: net/mac80211/rate.c:406 at __rate_control_send_low+0x524/0x800, CPU#1: syz.1.556/7111
Modules linked in:
CPU: 1 UID: 0 PID: 7111 Comm: syz.1.556 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
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+0x5bb/0x800
Code: ff 4c 8b 7c 24 08 48 8b 44 24 38 0f b6 04 28 84 c0 0f 85 d3 01 00 00 41 8b 0f 4c 89 f7 48 8b 74 24 10 44 8b 44 24 24 45 89 e9 <67> 48 0f b9 3a 4c 8b 74 24 28 e9 81 fe ff ff 44 89 f9 80 e1 07 80
RSP: 0018:ffffc90000a08658 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 000000000000000c RCX: 0000000000000000
RDX: 00000000ffffffff RSI: 0000000000000000 RDI: ffffffff9022eb10
RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000100 R12: ffff8881a68a2628
R13: 0000000000000000 R14: ffffffff9022eb10 R15: ffff88810fcc3138
FS:  0000555568a00500(0000) GS:ffff8882a9452000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000356ffc CR3: 000000000e54c000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 rate_control_send_low+0x1a7/0x7b0
 rate_control_get_rate+0x20b/0x5d0
 ieee80211_beacon_get_finish+0x385/0x6c0
 ieee80211_beacon_get_ap+0x19d5/0x20c0
 __ieee80211_beacon_get+0x1250/0x1920
 ieee80211_beacon_get_tim+0xbd/0x2c0
 mac80211_hwsim_beacon_tx+0x3bb/0x870
 __iterate_interfaces+0x2af/0x5a0
 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180
 mac80211_hwsim_beacon+0xbb/0x180
 __hrtimer_run_queues+0x527/0xc90
 hrtimer_run_softirq+0x182/0x580
 handle_softirqs+0x225/0x870
 __irq_exit_rcu+0x5f/0x150
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__sanitizer_cov_trace_pc+0x8/0x70
Code: 8b 3d 04 61 56 0c 48 89 de 5b e9 13 9e 5e 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 <65> 48 8b 0d 28 e1 57 11 65 8b 15 49 e1 57 11 81 e2 00 01 ff 00 74
RSP: 0018:ffffc900046b75d8 EFLAGS: 00000293
RAX: ffffffff823b6623 RBX: 8000000115ec7007 RCX: ffff88816a581d80
RDX: 8000000115ec7007 RSI: 00007fda744c4000 RDI: ffff8881b6ddc980
RBP: ffffc900046b78d0 R08: ffffea000457b1c7 R09: 1ffffd40008af638
R10: dffffc0000000000 R11: fffff940008af639 R12: 00007fda744c4000
R13: dffffc0000000000 R14: ffff8881b6ddc980 R15: ffff8881adec6620
 __page_table_check_pte_clear+0x13/0x70
 unmap_page_range+0x3404/0x48f0
 unmap_vmas+0x462/0x680
 exit_mmap+0x292/0xa20
 __mmput+0x118/0x420
 exit_mm+0x160/0x210
 do_exit+0x6cd/0x2460
 do_group_exit+0x22d/0x2f0
 __x64_sys_exit_group+0x3f/0x40
 x64_sys_call+0x221a/0x2240
 do_syscall_64+0x170/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fda74b9e019
Code: Unable to access opcode bytes at 0x7fda74b9dfef.
RSP: 002b:00007ffc8c9795f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fda74b9e019
RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffc8c97965c R08: 0000000000000000 R09: 00000000000927c0
R10: 0000000000000001 R11: 0000000000000246 R12: 00000000000000f5
R13: 00000000000927c0 R14: 0000000000016867 R15: 00007ffc8c9796b0
 </TASK>
