------------[ cut here ]------------
no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0xfff with flags 0x40
WARNING: CPU: 1 PID: 19448 at net/mac80211/rate.c:385 __rate_control_send_low+0x635/0x880 net/mac80211/rate.c:380
Modules linked in:
CPU: 1 PID: 19448 Comm: syz.2.4351 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:__rate_control_send_low+0x635/0x880 net/mac80211/rate.c:380
Code: 30 42 0f b6 04 28 84 c0 0f 85 e6 01 00 00 41 8b 0e 48 c7 c7 a0 94 a6 8b 48 8b 74 24 10 44 8b 44 24 1c 45 89 e1 e8 cb fd a5 f7 <0f> 0b e9 78 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 03 fa ff
RSP: 0000:ffffc900001e0560 EFLAGS: 00010246
RAX: e8a556490477fe00 RBX: 000000000000000c RCX: ffff88801eef0000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000084 R08: ffffc900001e01e7 R09: 1ffff9200003c03c
R10: dffffc0000000000 R11: fffff5200003c03d R12: 0000000000000040
R13: dffffc0000000000 R14: ffff888057983378 R15: ffff8880506ea528
FS:  00007fd0425856c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd04184e9d3 CR3: 00000000514bd000 CR4: 00000000003506e0
DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 rate_control_send_low+0x194/0x790 net/mac80211/rate.c:405
 rate_control_get_rate+0x207/0x5c0 net/mac80211/rate.c:921
 ieee80211_beacon_get_finish+0x391/0x6d0 net/mac80211/tx.c:5131
 ieee80211_beacon_get_ap+0xff9/0x1700 net/mac80211/tx.c:5234
 __ieee80211_beacon_get+0x10eb/0x1600 net/mac80211/tx.c:5330
 ieee80211_beacon_get_tim+0x63/0x4e0 net/mac80211/tx.c:5472
 ieee80211_beacon_get include/net/mac80211.h:5335 [inline]
 mac80211_hwsim_beacon_tx+0x21c/0xae0 drivers/net/wireless/mac80211_hwsim.c:2091
 __iterate_interfaces+0x243/0x500 net/mac80211/util.c:788
 ieee80211_iterate_active_interfaces_atomic+0xd7/0x170 net/mac80211/util.c:824
 mac80211_hwsim_beacon+0xb7/0x1b0 drivers/net/wireless/mac80211_hwsim.c:2147
 __run_hrtimer kernel/time/hrtimer.c:1747 [inline]
 __hrtimer_run_queues+0x560/0xd70 kernel/time/hrtimer.c:1811
 hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1828
 handle_softirqs+0x2a1/0x930 kernel/softirq.c:596
 __do_softirq kernel/softirq.c:630 [inline]
 invoke_softirq kernel/softirq.c:470 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:679
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:pmd_page_vaddr arch/x86/include/asm/pgtable.h:799 [inline]
RIP: 0010:pte_offset_kernel include/linux/pgtable.h:92 [inline]
RIP: 0010:filemap_map_pages+0x8d6/0x11c0 mm/filemap.c:3482
Code: f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 12 4c 89 ff e8 27 4c 26 00 48 b9 00 00 00 00 00 fc ff df 4d 8b 3f <4c> 21 f3 45 89 e5 41 c1 ed 09 41 81 e5 f8 0f 00 00 49 be 00 00 00
RSP: 0000:ffffc90003707ae0 EFLAGS: 00000246
RAX: 1ffffd40002dcb9d RBX: 000ffffffffff000 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003707c70 R08: ffffea0001c7db07 R09: 1ffffd400038fb60
R10: dffffc0000000000 R11: fffff9400038fb61 R12: 00007fd041840000
R13: 00000000016e5cc0 R14: 000000005b973067 R15: ffff888026764d80
 do_fault_around mm/memory.c:4598 [inline]
 do_read_fault mm/memory.c:4624 [inline]
 do_fault mm/memory.c:4758 [inline]
 handle_pte_fault mm/memory.c:5029 [inline]
 __handle_mm_fault mm/memory.c:5171 [inline]
 handle_mm_fault+0x2991/0x3ee0 mm/memory.c:5292
 do_user_addr_fault+0x51f/0xb10 arch/x86/mm/fault.c:1338
 handle_page_fault arch/x86/mm/fault.c:1429 [inline]
 exc_page_fault+0x60/0x100 arch/x86/mm/fault.c:1482
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:608
RIP: 0033:0x7fd04177689f
Code: 00 00 00 0f 1f 84 00 00 00 00 00 c5 f9 6e c6 89 f8 25 ff 0f 00 00 c4 e2 7d 78 c0 c5 f1 ef c9 3d e0 0f 00 00 0f 87 91 01 00 00 <c5> fe 6f 17 c5 fd 74 da c5 f5 74 d2 c5 ed eb db c5 fd d7 c3 85 c0
RSP: 002b:00007fd0425849f8 EFLAGS: 00010287
RAX: 00000000000009d3 RBX: 00007fd042584f30 RCX: 0000000000000000
RDX: 00007fd042584ff0 RSI: 0000000000000025 RDI: 00007fd04184e9d3
RBP: 00007fd042566000 R08: 00007fd0425850f3 R09: 00007ffc78e83b77
R10: 0000000000000008 R11: 0000000000000202 R12: 00007fd0425850d0
R13: 0000000000000000 R14: 00007fd04184e9d3 R15: 00007fd042584ff0
 </TASK>
----------------
Code disassembly (best guess):
   0:	f8                   	clc
   1:	48 c1 e8 03          	shr    $0x3,%rax
   5:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
   c:	fc ff df
   f:	80 3c 08 00          	cmpb   $0x0,(%rax,%rcx,1)
  13:	74 12                	je     0x27
  15:	4c 89 ff             	mov    %r15,%rdi
  18:	e8 27 4c 26 00       	call   0x264c44
  1d:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  24:	fc ff df
  27:	4d 8b 3f             	mov    (%r15),%r15
* 2a:	4c 21 f3             	and    %r14,%rbx <-- trapping instruction
  2d:	45 89 e5             	mov    %r12d,%r13d
  30:	41 c1 ed 09          	shr    $0x9,%r13d
  34:	41 81 e5 f8 0f 00 00 	and    $0xff8,%r13d
  3b:	49                   	rex.WB
  3c:	be                   	.byte 0xbe
  3d:	00 00                	add    %al,(%rax)