------------[ 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 net/mac80211/rate.c:401, CPU#1: modprobe/21249
Modules linked in:
CPU: 1 UID: 0 PID: 21249 Comm: modprobe Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__rate_control_send_low+0x5bb/0x800 net/mac80211/rate.c:401
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:ffffc90000a08858 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 000000000000000c RCX: 0000000000000000
RDX: 00000000ffffffff RSI: 0000000000000000 RDI: ffffffff8f92e440
RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000100 R12: ffff88807a56bde8
R13: 0000000000000000 R14: ffffffff8f92e440 R15: ffff8880625b3138
FS:  0000000000000000(0000) GS:ffff888125f1f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f703e03a6b0 CR3: 000000000dd3a000 CR4: 00000000003526f0
DR0: ffffffffffffffff DR1: 00000000000001f4 DR2: 0400000000000083
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 rate_control_send_low+0x1a7/0x7b0 net/mac80211/rate.c:429
 rate_control_get_rate+0x20b/0x5d0 net/mac80211/rate.c:943
 ieee80211_beacon_get_finish+0x39a/0x6c0 net/mac80211/tx.c:5362
 __ieee80211_beacon_get+0xd3d/0x1880 net/mac80211/tx.c:-1
 ieee80211_beacon_get_tim+0xb4/0x2b0 net/mac80211/tx.c:5776
 ieee80211_beacon_get include/net/mac80211.h:5669 [inline]
 mac80211_hwsim_beacon_tx+0x3c5/0x870 drivers/net/wireless/virtual/mac80211_hwsim.c:2361
 __iterate_interfaces+0x2ab/0x590 net/mac80211/util.c:761
 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:797
 mac80211_hwsim_beacon+0xbb/0x180 drivers/net/wireless/virtual/mac80211_hwsim.c:2395
 __run_hrtimer kernel/time/hrtimer.c:1777 [inline]
 __hrtimer_run_queues+0x51c/0xc30 kernel/time/hrtimer.c:1841
 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1858
 handle_softirqs+0x22b/0x7c0 kernel/softirq.c:622
 __do_softirq kernel/softirq.c:656 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0x60/0x150 kernel/softirq.c:723
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:739
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1056
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:free_swap_cache+0x229/0x300 mm/swap_state.c:322
Code: bd af a2 ff 40 84 ed 75 30 e8 b3 ac a2 ff eb 19 ff c5 e8 aa ac a2 ff 31 ff 89 ee e8 e1 b0 a2 ff 85 ed 7e 34 e8 98 ac a2 ff 5b <41> 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 83 ac a2 ff 48 89
RSP: 0018:ffffc9000cb47770 EFLAGS: 00000293
RAX: ffffffff821e499b RBX: ffff8880345e73b8 RCX: ffff88807d97db80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffea00004971c7 R09: 1ffffd4000092e38
R10: dffffc0000000000 R11: fffff94000092e39 R12: dffffc0000000000
R13: 1ffffd4000092e39 R14: ffffea00004971c8 R15: 1ffffd4000092e38
 free_pages_and_swap_cache+0x17a/0x520 mm/swap_state.c:348
 __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline]
 tlb_batch_pages_flush mm/mmu_gather.c:149 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:397 [inline]
 tlb_flush_mmu+0x3a0/0x680 mm/mmu_gather.c:404
 tlb_finish_mmu+0xc3/0x1d0 mm/mmu_gather.c:497
 exit_mmap+0x439/0xb10 mm/mmap.c:1290
 __mmput+0x118/0x430 kernel/fork.c:1173
 exit_mm+0x169/0x230 kernel/exit.c:581
 do_exit+0x627/0x22f0 kernel/exit.c:959
 do_group_exit+0x21c/0x2d0 kernel/exit.c:1112
 __do_sys_exit_group kernel/exit.c:1123 [inline]
 __se_sys_exit_group kernel/exit.c:1121 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1121
 x64_sys_call+0x2210/0x2210 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f703e03a6c5
Code: Unable to access opcode bytes at 0x7f703e03a69b.
RSP: 002b:00007ffeaa23a1b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f703e13bfe8 RCX: 00007f703e03a6c5
RDX: 00000000000000e7 RSI: ffffffffffffff88 RDI: 0000000000000001
RBP: 0000000000000001 R08: 00007ffeaa23a148 R09: 0000000000000000
R10: 00007ffeaa239fe0 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f703e13a680 R15: 00007f703e13c000
 </TASK>
----------------
Code disassembly (best guess):
   0:	ff 4c 8b 7c          	decl   0x7c(%rbx,%rcx,4)
   4:	24 08                	and    $0x8,%al
   6:	48 8b 44 24 38       	mov    0x38(%rsp),%rax
   b:	0f b6 04 28          	movzbl (%rax,%rbp,1),%eax
   f:	84 c0                	test   %al,%al
  11:	0f 85 d3 01 00 00    	jne    0x1ea
  17:	41 8b 0f             	mov    (%r15),%ecx
  1a:	4c 89 f7             	mov    %r14,%rdi
  1d:	48 8b 74 24 18       	mov    0x18(%rsp),%rsi
  22:	44 8b 44 24 2c       	mov    0x2c(%rsp),%r8d
  27:	45 89 e9             	mov    %r13d,%r9d
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	4c 8b 74 24 30       	mov    0x30(%rsp),%r14
  34:	e9 81 fe ff ff       	jmp    0xfffffeba
  39:	44 89 f9             	mov    %r15d,%ecx
  3c:	80 e1 07             	and    $0x7,%cl
  3f:	80                   	.byte 0x80