------------[ cut here ]------------
no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0
WARNING: net/mac80211/rate.c:412 at __rate_control_send_low+0x652/0x900 net/mac80211/rate.c:407, CPU#0: syz.2.3913/14115
Modules linked in:
CPU: 0 UID: 0 PID: 14115 Comm: syz.2.3913 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:__rate_control_send_low+0x67c/0x900 net/mac80211/rate.c:407
Code: 48 8b 34 24 48 8b 44 24 20 42 0f b6 04 38 84 c0 0f 85 da 01 00 00 8b 0e 4c 89 f7 48 8b 74 24 10 44 8b 44 24 1c 44 8b 4c 24 0c <67> 48 0f b9 3a e9 36 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c
RSP: 0018:ffffc900000076d8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 000000000000000c RCX: 0000000000000000
RDX: 00000000ffffffff RSI: 0000000000000000 RDI: ffffffff918c79a0
RBP: ffff888067dc32c0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 8000000000000100 R12: ffff888067dc0fa0
R13: ffff8880270cd168 R14: ffffffff918c79a0 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888123abf000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3a897f CR3: 0000000037554000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 rate_control_send_low+0x1a7/0x7b0 net/mac80211/rate.c:435
 rate_control_get_rate+0x20b/0x5d0 net/mac80211/rate.c:943
 ieee80211_beacon_get_finish+0x385/0x6c0 net/mac80211/tx.c:5604
 ieee80211_beacon_get_ap+0x19d5/0x20c0 net/mac80211/tx.c:-1
 __ieee80211_beacon_get+0x1250/0x1920 net/mac80211/tx.c:5875
 ieee80211_beacon_get_tim+0xbd/0x2c0 net/mac80211/tx.c:6017
 ieee80211_beacon_get include/net/mac80211.h:5902 [inline]
 mac80211_hwsim_beacon_tx+0x378/0x820 drivers/net/wireless/virtual/mac80211_hwsim_main.c:2505
 __iterate_interfaces+0x2af/0x5a0 net/mac80211/util.c:775
 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:811
 mac80211_hwsim_beacon+0xaf/0x240 drivers/net/wireless/virtual/mac80211_hwsim_main.c:2541
 __run_hrtimer kernel/time/hrtimer.c:2074 [inline]
 __hrtimer_run_queues+0x3bc/0xa10 kernel/time/hrtimer.c:2131
 hrtimer_run_softirq+0x1e3/0x2e0 kernel/time/hrtimer.c:2148
 handle_softirqs+0x226/0x860 kernel/softirq.c:645
 __do_softirq kernel/softirq.c:679 [inline]
 invoke_softirq kernel/softirq.c:519 [inline]
 __irq_exit_rcu+0xcb/0x220 kernel/softirq.c:758
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:775
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1062
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:free_pages_and_swap_cache+0x1dd/0x490 mm/swap_state.c:586
Code: 4c 89 f7 e8 05 f9 ff ff 44 0f b6 6c 24 60 bf 1f 00 00 00 44 89 ee e8 d2 2f 98 ff 41 83 fd 1e 0f 87 7b 01 00 00 e8 43 2c 98 ff <48> 8d 84 24 a0 01 00 00 4e 8d 2c a8 4c 89 e8 48 c1 e8 03 42 0f b6
RSP: 0018:ffffc9000766f0a0 EFLAGS: 00000293
RAX: ffffffff822fe43d RBX: 00000000000001f0 RCX: ffff88802d0b9f40
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000001f
RBP: ffffc9000766f328 R08: ffffea0001677f87 R09: 1ffffd40002ceff0
R10: dffffc0000000000 R11: fffff940002ceff1 R12: dffffc0000000000
R13: 0000000000000000 R14: ffffea0001677f80 R15: 1ffff1100afe67f2
 __tlb_batch_free_encoded_pages mm/mmu_gather.c:138 [inline]
 tlb_batch_pages_flush mm/mmu_gather.c:151 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:417 [inline]
 tlb_flush_mmu+0x6d3/0xa30 mm/mmu_gather.c:424
 zap_pte_range mm/memory.c:2104 [inline]
 zap_pmd_range mm/memory.c:2151 [inline]
 zap_pud_range mm/memory.c:2179 [inline]
 zap_p4d_range mm/memory.c:2200 [inline]
 __zap_vma_range+0x418d/0x4f80 mm/memory.c:2240
 unmap_vmas+0x390/0x550 mm/memory.c:2309
 exit_mmap+0x293/0x9f0 mm/mmap.c:1315
 __mmput+0x118/0x420 kernel/fork.c:1193
 exit_mm+0x18e/0x240 kernel/exit.c:592
 do_exit+0x6cd/0x2360 kernel/exit.c:974
 do_group_exit+0x22d/0x2f0 kernel/exit.c:1129
 get_signal+0x121b/0x12c0 kernel/signal.c:3112
 arch_do_signal_or_restart+0xbb/0x860 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
 exit_to_user_mode_loop+0x10e/0x770 kernel/entry/common.c:101
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:343 [inline]
 do_syscall_64+0x328/0x520 arch/x86/entry/syscall_64.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fac6a79e559
Code: Unable to access opcode bytes at 0x7fac6a79e52f.
RSP: 002b:00007fac689f60e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fac6aa25fa8 RCX: 00007fac6a79e559
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fac6aa25fa8
RBP: 00007fac6aa25fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fac6aa26038 R14: 00007ffec85d7140 R15: 00007ffec85d7228
 </TASK>
----------------
Code disassembly (best guess):
   0:	48 8b 34 24          	mov    (%rsp),%rsi
   4:	48 8b 44 24 20       	mov    0x20(%rsp),%rax
   9:	42 0f b6 04 38       	movzbl (%rax,%r15,1),%eax
   e:	84 c0                	test   %al,%al
  10:	0f 85 da 01 00 00    	jne    0x1f0
  16:	8b 0e                	mov    (%rsi),%ecx
  18:	4c 89 f7             	mov    %r14,%rdi
  1b:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
  20:	44 8b 44 24 1c       	mov    0x1c(%rsp),%r8d
  25:	44 8b 4c 24 0c       	mov    0xc(%rsp),%r9d
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	e9 36 fe ff ff       	jmp    0xfffffe6a
  34:	89 d9                	mov    %ebx,%ecx
  36:	80 e1 07             	and    $0x7,%cl
  39:	80 c1 03             	add    $0x3,%cl
  3c:	38 c1                	cmp    %al,%cl
  3e:	0f                   	.byte 0xf
  3f:	8c                   	.byte 0x8c