------------[ 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: syz.0.1569/11815
Modules linked in:
CPU: 1 UID: 0 PID: 11815 Comm: syz.0.1569 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
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:ffffc90000a08618 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 000000000000000c RCX: 0000000000000000
RDX: 00000000ffffffff RSI: 0000000000000000 RDI: ffffffff90231a10
RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000100 R12: ffff88807e73fb68
R13: 0000000000000000 R14: ffffffff90231a10 R15: ffff888030f0b178
FS:  0000000000000000(0000) GS:ffff888125557000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3071bff8 CR3: 000000007377d000 CR4: 0000000000350ef0
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+0x3af/0x6f0 net/mac80211/tx.c:5367
 ieee80211_beacon_get_ap+0x196a/0x2040 net/mac80211/tx.c:-1
 __ieee80211_beacon_get+0x118e/0x1880 net/mac80211/tx.c:5638
 ieee80211_beacon_get_tim+0xbd/0x2c0 net/mac80211/tx.c:5780
 ieee80211_beacon_get include/net/mac80211.h:5720 [inline]
 mac80211_hwsim_beacon_tx+0x3c5/0x870 drivers/net/wireless/virtual/mac80211_hwsim.c:2361
 __iterate_interfaces+0x2ab/0x590 net/mac80211/util.c:760
 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:796
 mac80211_hwsim_beacon+0xbb/0x180 drivers/net/wireless/virtual/mac80211_hwsim.c:2395
 __run_hrtimer kernel/time/hrtimer.c:1785 [inline]
 __hrtimer_run_queues+0x53a/0xcc0 kernel/time/hrtimer.c:1849
 hrtimer_run_softirq+0x182/0x5a0 kernel/time/hrtimer.c:1866
 handle_softirqs+0x22a/0x870 kernel/softirq.c:622
 __do_softirq kernel/softirq.c:656 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0x5f/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:srso_alias_safe_ret+0x0/0x7 arch/x86/lib/retpoline.S:210
Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc <48> 8d 64 24 08 c3 cc e8 f4 ff ff ff 0f 0b cc cc cc cc cc cc cc cc
RSP: 0018:ffffc900031775d0 EFLAGS: 00000293
RAX: ffffffff82143328 RBX: 0000000000000027 RCX: 0000000000000000
RDX: ffff8880333d3d00 RSI: 0000000000000027 RDI: 0000000000000040
RBP: ffffc900031778b0 R08: ffffc900031779b0 R09: 0000000000000004
R10: 0000000000000003 R11: 0000000000000000 R12: 00007fbc3bbf0000
R13: dffffc0000000000 R14: ffff888055330000 R15: 00007fbc3bbf0000
 srso_alias_return_thunk+0x5/0xfbef5 arch/x86/lib/retpoline.S:220
 pgd_offset_pgd include/linux/pgtable.h:142 [inline]
 unmap_page_range+0x248/0x48f0 mm/memory.c:2086
 unmap_single_vma mm/memory.c:2133 [inline]
 unmap_vmas+0x48f/0x6a0 mm/memory.c:2171
 exit_mmap+0x280/0xa10 mm/mmap.c:1302
 __mmput+0x118/0x430 kernel/fork.c:1175
 exit_mm+0x168/0x220 kernel/exit.c:581
 do_exit+0x6a2/0x23c0 kernel/exit.c:964
 do_group_exit+0x21b/0x2d0 kernel/exit.c:1118
 __do_sys_exit_group kernel/exit.c:1129 [inline]
 __se_sys_exit_group kernel/exit.c:1127 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1127
 x64_sys_call+0x221a/0x2240 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbc3b99c819
Code: Unable to access opcode bytes at 0x7fbc3b99c7ef.
RSP: 002b:00007fff70e27518 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbc3b99c819
RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fff70e2757c R08: 0000000000000000 R09: 00000000000927c0
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000104
R13: 00000000000927c0 R14: 00000000000d1ee9 R15: 00007fff70e275d0
 </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