------------[ cut here ]------------
WARNING: net/mac80211/tx.c:5024 at __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5024 [inline], CPU#0: syz.2.1464/10613
WARNING: net/mac80211/tx.c:5024 at __ieee80211_beacon_get+0x125d/0x1630 net/mac80211/tx.c:5453, CPU#0: syz.2.1464/10613
Modules linked in:
CPU: 0 UID: 0 PID: 10613 Comm: syz.2.1464 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: 0018:ffffc900000079f8 EFLAGS: 00010246
RAX: ffffffff8ae9aaac RBX: ffffffff8ae99886 RCX: ffff88802aee9e00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88802aee9e00 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff88806b0be500
R13: dffffc0000000000 R14: ffff88806b0be9d0 R15: ffff888054cb2024
FS:  00007ff860b226c0(0000) GS:ffff888125c40000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f109a5b7bac CR3: 000000002bac0000 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:copy_from_user include/linux/uaccess.h:212 [inline]
RIP: 0010:copy_msghdr_from_user net/socket.c:2496 [inline]
RIP: 0010:recvmsg_copy_msghdr net/socket.c:2752 [inline]
RIP: 0010:___sys_recvmsg+0x11c/0x510 net/socket.c:2824
Code: 00 bf ff ff ff ff 45 89 e6 44 89 e6 e8 1d d5 79 f8 45 85 e4 78 4d 48 8d 5c 24 60 ba 38 00 00 00 48 89 df 31 f6 e8 04 00 de f8 <ba> 38 00 00 00 48 89 df 48 8b 74 24 18 e8 82 a8 7c fb 48 89 c3 31
RSP: 0018:ffffc90003097a40 EFLAGS: 00000246
RAX: ffffc90003097aa0 RBX: ffffc90003097aa0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc90003097ad8
RBP: ffffc90003097c30 R08: ffffc90003097ad7 R09: 0000000000000000
R10: ffffc90003097aa0 R11: fffff52000612f5b R12: 0000000000000002
R13: dffffc0000000000 R14: 0000000000000002 R15: 1ffff92000612f50
 do_recvmmsg+0x307/0x770 net/socket.c:2923
 __sys_recvmmsg net/socket.c:2997 [inline]
 __do_sys_recvmmsg net/socket.c:3020 [inline]
 __se_sys_recvmmsg net/socket.c:3013 [inline]
 __x64_sys_recvmmsg+0x190/0x240 net/socket.c:3013
 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: 0033:0x7ff85fd8e929
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:00007ff860b22038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007ff85ffb6080 RCX: 00007ff85fd8e929
RDX: 03fffffffffffeda RSI: 00002000000000c0 RDI: 0000000000000005
RBP: 00007ff85fe10b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ff85ffb6080 R15: 00007ffd5a33d358
 </TASK>
----------------
Code disassembly (best guess):
   0:	00 bf ff ff ff ff    	add    %bh,-0x1(%rdi)
   6:	45 89 e6             	mov    %r12d,%r14d
   9:	44 89 e6             	mov    %r12d,%esi
   c:	e8 1d d5 79 f8       	call   0xf879d52e
  11:	45 85 e4             	test   %r12d,%r12d
  14:	78 4d                	js     0x63
  16:	48 8d 5c 24 60       	lea    0x60(%rsp),%rbx
  1b:	ba 38 00 00 00       	mov    $0x38,%edx
  20:	48 89 df             	mov    %rbx,%rdi
  23:	31 f6                	xor    %esi,%esi
  25:	e8 04 00 de f8       	call   0xf8de002e
* 2a:	ba 38 00 00 00       	mov    $0x38,%edx <-- trapping instruction
  2f:	48 89 df             	mov    %rbx,%rdi
  32:	48 8b 74 24 18       	mov    0x18(%rsp),%rsi
  37:	e8 82 a8 7c fb       	call   0xfb7ca8be
  3c:	48 89 c3             	mov    %rax,%rbx
  3f:	31                   	.byte 0x31