------------[ 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#0: kworker/u8:1/13
Modules linked in:
CPU: 0 UID: 0 PID: 13 Comm: kworker/u8:1 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
Workqueue: ipv6_addrconf addrconf_dad_work
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 18 44 8b 44 24 2c 45 89 e9 <67> 48 0f b9 3a 4c 8b 74 24 30 e9 81 fe ff ff 44 89 f9 80 e1 07 80
RSP: 0018:ffffc900001263f8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 000000000000000c RCX: 0000000000000000
RDX: 00000000ffffffff RSI: 0000000000000000 RDI: ffffffff8fd31700
RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000000 R12: ffff8881163a16a8
R13: 0000000000000000 R14: ffffffff8fd31700 R15: ffff88817121b138
FS:  0000000000000000(0000) GS:ffff88818e41f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005616de153000 CR3: 000000016bc5c000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 rate_control_send_low+0x1a7/0x7b0
 rate_control_get_rate+0x20b/0x5d0
 ieee80211_tx_h_rate_ctrl+0xaf6/0x1760
 invoke_tx_handlers_late+0xba/0x18a0
 ieee80211_tx_dequeue+0x30d1/0x43e0
 ieee80211_handle_wake_tx_queue+0x132/0x2c0
 ieee80211_queue_skb+0x1a3f/0x2210
 ieee80211_tx+0x2c2/0x4b0
 __ieee80211_subif_start_xmit+0xd12/0x1660
 ieee80211_subif_start_xmit+0xf3/0x570
 dev_hard_start_xmit+0x2cd/0x7f0
 __dev_queue_xmit+0x14da/0x3230
 ip6_finish_output2+0x11c1/0x1540
 ip6_output+0x340/0x550
 ndisc_send_skb+0xbaa/0x14e0
 ndisc_send_ns+0xd7/0x160
 addrconf_dad_work+0xac4/0x14c0
 process_scheduled_works+0xaec/0x17a0
 worker_thread+0x89f/0xd90
 kthread+0x726/0x8b0
 ret_from_fork+0x5b0/0xb20
 ret_from_fork_asm+0x1a/0x30
 </TASK>
