------------[ 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.9.2595/15527
Modules linked in:
CPU: 1 UID: 0 PID: 15527 Comm: syz.9.2595 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:ffffc90000a086b8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 000000000000000c RCX: 0000000000000000
RDX: 00000000ffffffff RSI: 0000000000000000 RDI: ffffffff9023af70
RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000100 R12: ffff88803327a168
R13: 0000000000000000 R14: ffffffff9023af70 R15: ffff8880694c3158
FS:  00007f0c6502c6c0(0000) GS:ffff888125548000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe7537456b8 CR3: 0000000034438000 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+0x3af/0x6f0 net/mac80211/tx.c:5396
 ieee80211_beacon_get_ap+0x196a/0x2040 net/mac80211/tx.c:-1
 __ieee80211_beacon_get+0x118e/0x1880 net/mac80211/tx.c:5667
 ieee80211_beacon_get_tim+0xbd/0x2c0 net/mac80211/tx.c:5809
 ieee80211_beacon_get include/net/mac80211.h:5724 [inline]
 mac80211_hwsim_beacon_tx+0x3c5/0x870 drivers/net/wireless/virtual/mac80211_hwsim.c:2497
 __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:2531
 __run_hrtimer kernel/time/hrtimer.c:1930 [inline]
 __hrtimer_run_queues+0x3c0/0xa20 kernel/time/hrtimer.c:1994
 hrtimer_run_softirq+0x17a/0x240 kernel/time/hrtimer.c:2011
 handle_softirqs+0x22a/0x840 kernel/softirq.c:626
 __do_softirq kernel/softirq.c:660 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0xca/0x220 kernel/softirq.c:739
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:756
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1061 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1061
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:filter_irq_stacks+0x26/0xa0 kernel/stacktrace.c:397
Code: 90 90 90 90 f3 0f 1e fa 41 57 41 56 41 55 41 54 53 85 f6 74 70 49 89 fe 41 89 f4 31 db 49 bd 00 00 00 00 00 fc ff df 49 89 ff <4c> 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 64 1f 7e 00
RSP: 0018:ffffc9000d50f258 EFLAGS: 00000202
RAX: ffffffff82213b01 RBX: 0000000000000001 RCX: 0000000000000001
RDX: 0000000000140c00 RSI: 000000000000000e RDI: ffffc9000d50f320
RBP: ffffc9000d50f410 R08: ffffffff81d61d16 R09: ffffffff8e75d7e0
R10: ffffc9000d50f1f8 R11: ffffffff81b18c30 R12: 000000000000000e
R13: dffffc0000000000 R14: ffffc9000d50f320 R15: ffffc9000d50f328
 stack_depot_save_flags+0x33/0x810 lib/stackdepot.c:667
 save_stack+0x130/0x230 mm/page_owner.c:166
 __set_page_owner+0x8d/0x4c0 mm/page_owner.c:341
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x231/0x280 mm/page_alloc.c:1859
 prep_new_page mm/page_alloc.c:1867 [inline]
 get_page_from_freelist+0x2418/0x24b0 mm/page_alloc.c:3926
 __alloc_frozen_pages_noprof+0x233/0x3d0 mm/page_alloc.c:5213
 alloc_pages_mpol+0x235/0x490 mm/mempolicy.c:2484
 folio_alloc_mpol_noprof+0x39/0x160 mm/mempolicy.c:2503
 shmem_alloc_folio mm/shmem.c:1933 [inline]
 shmem_alloc_and_add_folio+0x442/0xf80 mm/shmem.c:1975
 shmem_get_folio_gfp+0x4d4/0x1420 mm/shmem.c:2552
 shmem_get_folio mm/shmem.c:2658 [inline]
 shmem_write_begin+0x16c/0x330 mm/shmem.c:3291
 generic_perform_write+0x2e2/0x8f0 mm/filemap.c:4325
 shmem_file_write_iter+0xf8/0x120 mm/shmem.c:3466
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x61d/0xb90 fs/read_write.c:688
 ksys_write+0x150/0x270 fs/read_write.c:740
 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: 0033:0x7f0c6415cfce
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007f0c6502bda8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f0c6502c6c0 RCX: 00007f0c6415cfce
RDX: 0000000001000000 RSI: 00007f0c59e00000 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 00007f0c6502bee0 R14: 00007f0c6502bea0 R15: 00007f0c59e00000
 </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