------------[ 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 0x0, CPU#0: syz.0.7881/23067
Modules linked in:
CPU: 0 UID: 0 PID: 23067 Comm: syz.0.7881 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:ffffc90000007758 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 000000000000000c RCX: 0000000000000000
RDX: 00000000ffffffff RSI: 0000000000000000 RDI: ffffffff8f92b460
RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000100 R12: ffff88802eb9d168
R13: 0000000000000000 R14: ffffffff8f92b460 R15: ffff888031eab138
FS:  00007fbfdabbd6c0(0000) GS:ffff888125e3a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000000 CR3: 0000000059386000 CR4: 00000000003526f0
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+0x27d/0x850 kernel/softirq.c:622
 __do_softirq kernel/softirq.c:656 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0xca/0x1f0 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:__sanitizer_cov_trace_pc+0x5d/0x70 kernel/kcov.c:235
Code: 48 16 00 00 83 fa 02 75 21 48 8b 91 50 16 00 00 48 8b 32 48 8d 7e 01 8b 89 4c 16 00 00 48 39 cf 73 08 48 89 3a 48 89 44 f2 08 <e9> 0e 3a 9c 09 cc 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90
RSP: 0018:ffffc9000b2073d8 EFLAGS: 00000287
RAX: ffffffff820fa40b RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc90015d9a000 RSI: 000000000001158a RDI: 000000000001158b
RBP: ffffc9000b207670 R08: ffffea0002b64f73 R09: 1ffffd400056c9ee
R10: dffffc0000000000 R11: fffff9400056c9ef R12: dffffc0000000000
R13: ffff88802f3639b0 R14: ffffea0002b64f40 R15: dffffc0000000000
 instrument_atomic_read include/linux/instrumented.h:68 [inline]
 _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
 folio_test_swapbacked include/linux/page-flags.h:578 [inline]
 mm_counter_file include/linux/mm.h:2885 [inline]
 copy_present_ptes mm/memory.c:1177 [inline]
 copy_pte_range mm/memory.c:1304 [inline]
 copy_pmd_range+0x214b/0x7e00 mm/memory.c:1392
 copy_pud_range mm/memory.c:1429 [inline]
 copy_p4d_range mm/memory.c:1453 [inline]
 copy_page_range+0xb88/0x11d0 mm/memory.c:1535
 dup_mmap+0xf4a/0x1b80 mm/mmap.c:1827
 dup_mm kernel/fork.c:1529 [inline]
 copy_mm+0x13c/0x4b0 kernel/fork.c:1581
 copy_process+0x165d/0x3950 kernel/fork.c:2221
 kernel_clone+0x21e/0x820 kernel/fork.c:2651
 __do_sys_clone kernel/fork.c:2792 [inline]
 __se_sys_clone kernel/fork.c:2776 [inline]
 __x64_sys_clone+0x18b/0x1e0 kernel/fork.c:2776
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbfd9d8f749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007fbfdabbcfe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fbfd9fe5fa0 RCX: 00007fbfd9d8f749
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000041002000
RBP: 00007fbfd9e13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007fbfd9fe6038 R14: 00007fbfd9fe5fa0 R15: 00007fbfda10fa28
 </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