------------[ cut here ]------------
no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0
WARNING: CPU: 2 PID: 10774 at net/mac80211/rate.c:398 __rate_control_send_low+0x661/0x780 net/mac80211/rate.c:398
Modules linked in:
CPU: 2 UID: 0 PID: 10774 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__rate_control_send_low+0x661/0x780 net/mac80211/rate.c:398
Code: a4 a0 d4 00 00 00 e8 9e 58 b1 f6 44 8b 44 24 24 45 89 e9 89 d9 48 8b 74 24 08 44 89 e2 48 c7 c7 00 07 09 8d e8 30 fd 6f f6 90 <0f> 0b 90 90 e9 26 fd ff ff 48 8b 3c 24 e8 ad b7 17 f7 e9 fb fc ff
RSP: 0018:ffffc90000648930 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817a4388
RDX: ffff888029e0a440 RSI: ffffffff817a4395 RDI: 0000000000000001
RBP: ffff888054972028 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffff
R13: 0000000000000000 R14: 000000000000000c R15: ffff888054972030
FS:  000055557a341500(0000) GS:ffff8880d68b2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff6463ecf8 CR3: 000000004d9d3000 CR4: 0000000000352ef0
Call Trace:
 <IRQ>
 rate_control_send_low+0x29a/0x820 net/mac80211/rate.c:423
 rate_control_get_rate+0x1be/0x5e0 net/mac80211/rate.c:934
 ieee80211_beacon_get_finish+0x467/0x670 net/mac80211/tx.c:5263
 __ieee80211_beacon_get+0xc56/0x1e40 net/mac80211/tx.c:5566
 ieee80211_beacon_get_tim+0xa6/0x280 net/mac80211/tx.c:5677
 ieee80211_beacon_get include/net/mac80211.h:5663 [inline]
 mac80211_hwsim_beacon_tx+0x4d9/0xa40 drivers/net/wireless/virtual/mac80211_hwsim.c:2319
 __iterate_interfaces+0x2e5/0x650 net/mac80211/util.c:761
 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 net/mac80211/util.c:797
 mac80211_hwsim_beacon+0x105/0x200 drivers/net/wireless/virtual/mac80211_hwsim.c:2353
 __run_hrtimer kernel/time/hrtimer.c:1761 [inline]
 __hrtimer_run_queues+0x202/0xad0 kernel/time/hrtimer.c:1825
 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1842
 handle_softirqs+0x219/0x8e0 kernel/softirq.c:579
 __do_softirq kernel/softirq.c:613 [inline]
 invoke_softirq kernel/softirq.c:453 [inline]
 __irq_exit_rcu+0x109/0x170 kernel/softirq.c:680
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1050
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_acquire+0x62/0x350 kernel/locking/lockdep.c:5872
Code: 06 3f 12 83 f8 07 0f 87 bc 02 00 00 89 c0 48 0f a3 05 22 99 13 0f 0f 82 74 02 00 00 8b 35 da ca 13 0f 85 f6 0f 85 8d 00 00 00 <48> 8b 44 24 30 65 48 2b 05 79 06 3f 12 0f 85 c7 02 00 00 48 83 c4
RSP: 0018:ffffc90005fb7660 EFLAGS: 00000206
RAX: 0000000000000046 RBX: ffffffff8e5c15a0 RCX: 0000000025a6d233
RDX: 0000000000000000 RSI: ffffffff8de2d6e8 RDI: ffffffff8c163300
RBP: 0000000000000002 R08: e46e3c6b1d77a18c R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
 rcu_read_lock include/linux/rcupdate.h:841 [inline]
 class_rcu_constructor include/linux/rcupdate.h:1155 [inline]
 unwind_next_frame+0xd1/0x20a0 arch/x86/kernel/unwind_orc.c:479
 arch_stack_walk+0x94/0x100 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
 kasan_save_track+0x14/0x30 mm/kasan/common.c:68
 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:576
 poison_slab_object mm/kasan/common.c:243 [inline]
 __kasan_slab_free+0x60/0x70 mm/kasan/common.c:275
 kasan_slab_free include/linux/kasan.h:233 [inline]
 slab_free_hook mm/slub.c:2422 [inline]
 slab_free mm/slub.c:4695 [inline]
 kfree+0x2b4/0x4d0 mm/slub.c:4894
 simple_xattr_free fs/xattr.c:1213 [inline]
 simple_xattrs_free+0x105/0x180 fs/xattr.c:1575
 shmem_evict_inode+0x182/0xbe0 mm/shmem.c:1418
 evict+0x3e6/0x920 fs/inode.c:810
 iput_final fs/inode.c:1897 [inline]
 iput fs/inode.c:1923 [inline]
 iput+0x521/0x880 fs/inode.c:1909
 do_unlinkat+0x518/0x6a0 fs/namei.c:4657
 __do_sys_unlink fs/namei.c:4696 [inline]
 __se_sys_unlink fs/namei.c:4694 [inline]
 __x64_sys_unlink+0xc5/0x110 fs/namei.c:4694
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4e0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1d3258e157
Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 57 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff6463f4a8 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1d3258e157
RDX: 00007fff6463f4d0 RSI: 00007fff6463f560 RDI: 00007fff6463f560
RBP: 00007fff6463f560 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000206 R12: 00007fff646405f0
R13: 00007f1d32611c05 R14: 000000000002d141 R15: 00007fff64640630
 </TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	12 83 f8 07 0f 87    	adc    -0x78f0f808(%rbx),%al
   6:	bc 02 00 00 89       	mov    $0x89000002,%esp
   b:	c0 48 0f a3          	rorb   $0xa3,0xf(%rax)
   f:	05 22 99 13 0f       	add    $0xf139922,%eax
  14:	0f 82 74 02 00 00    	jb     0x28e
  1a:	8b 35 da ca 13 0f    	mov    0xf13cada(%rip),%esi        # 0xf13cafa
  20:	85 f6                	test   %esi,%esi
  22:	0f 85 8d 00 00 00    	jne    0xb5
* 28:	48 8b 44 24 30       	mov    0x30(%rsp),%rax <-- trapping instruction
  2d:	65 48 2b 05 79 06 3f 	sub    %gs:0x123f0679(%rip),%rax        # 0x123f06ae
  34:	12
  35:	0f 85 c7 02 00 00    	jne    0x302
  3b:	48                   	rex.W
  3c:	83                   	.byte 0x83
  3d:	c4                   	.byte 0xc4