------------[ cut here ]------------
no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0xfff with flags 0x40
WARNING: CPU: 0 PID: 21088 at net/mac80211/rate.c:385 __rate_control_send_low+0x635/0x880 net/mac80211/rate.c:380
Modules linked in:
CPU: 0 PID: 21088 Comm: syz.2.4429 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
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 a2 be 8b 48 8b 74 24 10 44 8b 44 24 1c 45 89 e1 e8 eb f3 69 f7 <0f> 0b e9 78 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 03 fa ff
RSP: 0018:ffffc90000007560 EFLAGS: 00010246
RAX: 6ce905e041e95300 RBX: 000000000000000c RCX: ffff88802731da00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000084 R08: ffffc90000007167 R09: 1ffff92000000e2c
R10: dffffc0000000000 R11: fffff52000000e2d R12: 0000000000000040
R13: dffffc0000000000 R14: ffff888078273358 R15: ffff888025b758e8
FS:  0000555566497500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3a9585f180 CR3: 000000002b0fd000 CR4: 00000000003506f0
Call Trace:
 <IRQ>
 rate_control_send_low+0x194/0x790 net/mac80211/rate.c:405
 rate_control_get_rate+0x20b/0x5c0 net/mac80211/rate.c:921
 ieee80211_beacon_get_finish+0x38d/0x6b0 net/mac80211/tx.c:5228
 ieee80211_beacon_get_ap+0x1429/0x1970 net/mac80211/tx.c:5331
 __ieee80211_beacon_get+0x10eb/0x1600 net/mac80211/tx.c:5427
 ieee80211_beacon_get_tim+0xb8/0x560 net/mac80211/tx.c:5569
 ieee80211_beacon_get include/net/mac80211.h:5440 [inline]
 mac80211_hwsim_beacon_tx+0x3c7/0x780 drivers/net/wireless/virtual/mac80211_hwsim.c:2265
 __iterate_interfaces+0x243/0x500 net/mac80211/util.c:766
 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:802
 mac80211_hwsim_beacon+0xbb/0x1b0 drivers/net/wireless/virtual/mac80211_hwsim.c:2295
 __run_hrtimer kernel/time/hrtimer.c:1755 [inline]
 __hrtimer_run_queues+0x51e/0xc40 kernel/time/hrtimer.c:1819
 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1836
 handle_softirqs+0x280/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xc7/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:get_unmapped_area+0x1ac/0x380 mm/mmap.c:1828
Code: 98 00 00 00 4d 03 2f 4c 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 4c 89 ef e8 a8 dc 11 00 49 8b 45 00 <48> 85 c0 48 0f 45 e8 4c 8b 7c 24 08 4c 8b 2c 24 eb 2d e8 6d 91 ba
RSP: 0018:ffffc90005b9fc28 EFLAGS: 00000246
RAX: ffffffff81dfab30 RBX: 00000000003c0000 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 00007ffffffff000 RDI: 00000000003c0000
RBP: ffffffff812f7e00 R08: ffff88802731da07 R09: 1ffff11004e63b40
R10: dffffc0000000000 R11: ffffed1004e63b41 R12: 1ffff11004e63b40
R13: ffffffff8abd3598 R14: ffff88802731da00 R15: ffff888023726698
 do_mmap+0x362/0x10a0 mm/mmap.c:1258
 vm_mmap_pgoff+0x1c0/0x400 mm/util.c:556
 ksys_mmap_pgoff+0x520/0x700 mm/mmap.c:1431
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f3a9598ebe3
Code: f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 41 89 ca 41 f7 c1 ff 0f 00 00 75 14 b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 25 c3 0f 1f 40 00 48 c7 c0 a8 ff ff ff 64 c7
RSP: 002b:00007fff4d335a28 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000001b2dc64000 RCX: 00007f3a9598ebe3
RDX: 0000000000000003 RSI: 00000000003c0000 RDI: 0000001b2dc64000
RBP: 0000000000400000 R08: 0000000000000004 R09: 0000000000040000
R10: 0000000000100001 R11: 0000000000000246 R12: 0000000000000419
R13: 00000000000927c0 R14: 0000000000181b97 R15: 00007fff4d335d10
 </TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	00 00                	add    %al,(%rax)
   2:	4d 03 2f             	add    (%r15),%r13
   5:	4c 89 e8             	mov    %r13,%rax
   8:	48 c1 e8 03          	shr    $0x3,%rax
   c:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  13:	fc ff df
  16:	80 3c 08 00          	cmpb   $0x0,(%rax,%rcx,1)
  1a:	74 08                	je     0x24
  1c:	4c 89 ef             	mov    %r13,%rdi
  1f:	e8 a8 dc 11 00       	call   0x11dccc
  24:	49 8b 45 00          	mov    0x0(%r13),%rax
* 28:	48 85 c0             	test   %rax,%rax <-- trapping instruction
  2b:	48 0f 45 e8          	cmovne %rax,%rbp
  2f:	4c 8b 7c 24 08       	mov    0x8(%rsp),%r15
  34:	4c 8b 2c 24          	mov    (%rsp),%r13
  38:	eb 2d                	jmp    0x67
  3a:	e8                   	.byte 0xe8
  3b:	6d                   	insl   (%dx),%es:(%rdi)
  3c:	91                   	xchg   %eax,%ecx
  3d:	ba                   	.byte 0xba