------------[ cut here ]------------
WARNING: net/mac80211/tx.c:5024 at __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5024 [inline], CPU#1: syz.1.5172/21835
WARNING: net/mac80211/tx.c:5024 at __ieee80211_beacon_get+0x125d/0x1630 net/mac80211/tx.c:5453, CPU#1: syz.1.5172/21835
Modules linked in:
CPU: 1 UID: 0 PID: 21835 Comm: syz.1.5172 Not tainted 6.16.0-rc2-next-20250616-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5024 [inline]
RIP: 0010:__ieee80211_beacon_get+0x125d/0x1630 net/mac80211/tx.c:5453
Code: e7 e8 27 f2 2f f7 45 31 f6 4c 8b bc 24 a0 00 00 00 e9 78 fe ff ff e8 92 bf d6 f6 90 0f 0b 90 e9 e0 f7 ff ff e8 84 bf d6 f6 90 <0f> 0b 90 e9 38 fb ff ff e8 76 bf d6 f6 48 c7 c7 a0 5c 79 8f 4c 89
RSP: 0000:ffffc90000a089f8 EFLAGS: 00010246
RAX: ffffffff8ae9aaac RBX: ffffffff8ae99886 RCX: ffff888067d60000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff888067d60000 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff8880652fa500
R13: dffffc0000000000 R14: ffff8880652fa9d0 R15: ffff888059327c24
FS:  00007fd3d016a6c0(0000) GS:ffff888125d40000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000ea030 CR3: 00000000624fa000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0xb4/0x2b0 net/mac80211/tx.c:5580
 ieee80211_beacon_get include/net/mac80211.h:5638 [inline]
 mac80211_hwsim_beacon_tx+0x3ce/0x860 drivers/net/wireless/virtual/mac80211_hwsim.c:2319
 __iterate_interfaces+0x2a8/0x590 net/mac80211/util.c:761
 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:797
 mac80211_hwsim_beacon+0xbb/0x1c0 drivers/net/wireless/virtual/mac80211_hwsim.c:2353
 __run_hrtimer kernel/time/hrtimer.c:1761 [inline]
 __hrtimer_run_queues+0x529/0xc60 kernel/time/hrtimer.c:1825
 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1842
 handle_softirqs+0x283/0x870 kernel/softirq.c:579
 __do_softirq kernel/softirq.c:613 [inline]
 invoke_softirq kernel/softirq.c:453 [inline]
 __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:end_current_label_crit_section+0x0/0x180 security/apparmor/include/cred.h:128
Code: a7 8d e8 83 12 04 fd 90 0f 0b 90 90 e9 3a fc ff ff e8 a4 c1 e9 06 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <55> 41 57 41 56 41 54 53 48 89 fb 49 bc 00 00 00 00 00 fc ff df e8
RSP: 0000:ffffc90004e17670 EFLAGS: 00000246
RAX: ffffffff847fb7f5 RBX: 0000000000000000 RCX: 0000000000000002
RDX: ffff888067d60000 RSI: 0000000000000000 RDI: ffff88801b68f500
RBP: 0000000000000000 R08: ffff88806b2639c0 R09: ffff88806b264200
R10: dffffc0000000000 R11: ffffed100d64c745 R12: ffff88802f275100
R13: ffff88801b68f500 R14: ffff88806b2639c0 R15: ffff88801b68f500
 apparmor_unix_may_send+0x322/0x380 security/apparmor/lsm.c:1175
 security_unix_may_send+0xbe/0x290 security/security.c:4536
 unix_dgram_sendmsg+0xa5e/0x1870 net/unix/af_unix.c:2175
 sock_sendmsg_nosec net/socket.c:712 [inline]
 __sock_sendmsg+0x219/0x270 net/socket.c:727
 ____sys_sendmsg+0x52d/0x830 net/socket.c:2566
 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2620
 __sys_sendmmsg+0x227/0x430 net/socket.c:2709
 __do_sys_sendmmsg net/socket.c:2736 [inline]
 __se_sys_sendmmsg net/socket.c:2733 [inline]
 __x64_sys_sendmmsg+0xa0/0xc0 net/socket.c:2733
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd3cf38e929
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:00007fd3d016a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007fd3cf5b5fa0 RCX: 00007fd3cf38e929
RDX: 0000000000000651 RSI: 0000200000000000 RDI: 0000000000000005
RBP: 00007fd3cf410b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fd3cf5b5fa0 R15: 00007fff7f0d81d8
 </TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	e8 83 12 04 fd       	call   0xfd041288
   5:	90                   	nop
   6:	0f 0b                	ud2
   8:	90                   	nop
   9:	90                   	nop
   a:	e9 3a fc ff ff       	jmp    0xfffffc49
   f:	e8 a4 c1 e9 06       	call   0x6e9c1b8
  14:	0f 1f 40 00          	nopl   0x0(%rax)
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	90                   	nop
  1c:	90                   	nop
  1d:	90                   	nop
  1e:	90                   	nop
  1f:	90                   	nop
  20:	90                   	nop
  21:	90                   	nop
  22:	90                   	nop
  23:	90                   	nop
  24:	90                   	nop
  25:	90                   	nop
  26:	90                   	nop
  27:	90                   	nop
* 28:	55                   	push   %rbp <-- trapping instruction
  29:	41 57                	push   %r15
  2b:	41 56                	push   %r14
  2d:	41 54                	push   %r12
  2f:	53                   	push   %rbx
  30:	48 89 fb             	mov    %rdi,%rbx
  33:	49 bc 00 00 00 00 00 	movabs $0xdffffc0000000000,%r12
  3a:	fc ff df
  3d:	e8                   	.byte 0xe8