------------[ cut here ]------------
WARNING: CPU: 1 PID: 3948 at net/mac80211/tx.c:4849 __ieee80211_beacon_get+0x183d/0x2080 net/mac80211/tx.c:5073
Modules linked in:
CPU: 1 PID: 3948 Comm: syz-executor180 Not tainted 5.15.115-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4849 [inline]
RIP: 0010:__ieee80211_beacon_get+0x183d/0x2080 net/mac80211/tx.c:5073
Code: ff e8 17 5a cd f7 0f 0b e9 4b fa ff ff e8 0b 5a cd f7 0f 0b e9 3b fe ff ff e8 ff 59 cd f7 0f 0b e9 06 ee ff ff e8 f3 59 cd f7 <0f> 0b e9 91 f0 ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 2d ea
RSP: 0018:ffffc90000dd0840 EFLAGS: 00010246
RAX: ffffffff89b29f5d RBX: 0000000000000000 RCX: ffff88801c233b80
RDX: 0000000080000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000dd0a70 R08: ffffffff89b28fe8 R09: ffffffff89b289bb
R10: 0000000000000003 R11: ffff88801c233b80 R12: dffffc0000000000
R13: ffff88801f988c80 R14: ffff88801f98a298 R15: 1ffff920001ba118
FS:  00007fa81ebca700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020377030 CR3: 000000001a38a000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0xb7/0x950 net/mac80211/tx.c:5192
 ieee80211_beacon_get include/net/mac80211.h:4981 [inline]
 mac80211_hwsim_beacon_tx+0xe2/0x8a0 drivers/net/wireless/mac80211_hwsim.c:1812
 __iterate_interfaces+0x21e/0x4b0 net/mac80211/util.c:793
 ieee80211_iterate_active_interfaces_atomic+0xaf/0x140 net/mac80211/util.c:829
 mac80211_hwsim_beacon+0xa7/0x180 drivers/net/wireless/mac80211_hwsim.c:1865
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x598/0xcf0 kernel/time/hrtimer.c:1749
 hrtimer_run_softirq+0x196/0x2c0 kernel/time/hrtimer.c:1766
 __do_softirq+0x3b3/0x93a kernel/softirq.c:558
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x155/0x240 kernel/softirq.c:636
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648
 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__refcount_sub_and_test include/linux/refcount.h:277 [inline]
RIP: 0010:__refcount_dec_and_test include/linux/refcount.h:315 [inline]
RIP: 0010:refcount_dec_and_test include/linux/refcount.h:333 [inline]
RIP: 0010:skb_unref include/linux/skbuff.h:1109 [inline]
RIP: 0010:consume_skb+0xcf/0x140 net/core/skbuff.c:910
Code: df 5b 41 5e 41 5f 5d e9 af e2 ff ff e8 ba 00 54 f9 eb 4b 4c 89 f7 be 04 00 00 00 e8 eb 5c 9d f9 bd ff ff ff ff f0 41 0f c1 2e <bf> 01 00 00 00 89 ee e8 f5 03 54 f9 83 fd 01 75 11 e8 8b 00 54 f9
RSP: 0018:ffffc90003cdf6f0 EFLAGS: 00000213
RAX: 0000000000000001 RBX: ffff88801d56aa00 RCX: ffffffff882bf8a5
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff88801d56aadc
RBP: 0000000000000002 R08: dffffc0000000000 R09: ffffed1003aad55c
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88801d56aa00 R14: ffff88801d56aadc R15: dffffc0000000000
 skb_free_datagram+0x24/0xe0 net/core/datagram.c:325
 __unix_dgram_recvmsg+0xcb3/0x1260 net/unix/af_unix.c:2397
 ____sys_recvmsg+0x286/0x530
 ___sys_recvmsg+0x1ec/0x690 net/socket.c:2673
 do_recvmmsg+0x36f/0x8f0 net/socket.c:2767
 __sys_recvmmsg net/socket.c:2846 [inline]
 __do_sys_recvmmsg net/socket.c:2869 [inline]
 __se_sys_recvmmsg net/socket.c:2862 [inline]
 __x64_sys_recvmmsg+0x195/0x240 net/socket.c:2862
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fa81ec3afc9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 15 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa81ebca308 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007fa81ecc3438 RCX: 00007fa81ec3afc9
RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 00007fa81ecc3430 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 00007fa81ec901c4
R13: 00007fa81ecc343c R14: 0031313230386c6e R15: 0000000000022000
 </TASK>
----------------
Code disassembly (best guess):
   0:	df 5b 41             	fistps 0x41(%rbx)
   3:	5e                   	pop    %rsi
   4:	41 5f                	pop    %r15
   6:	5d                   	pop    %rbp
   7:	e9 af e2 ff ff       	jmpq   0xffffe2bb
   c:	e8 ba 00 54 f9       	callq  0xf95400cb
  11:	eb 4b                	jmp    0x5e
  13:	4c 89 f7             	mov    %r14,%rdi
  16:	be 04 00 00 00       	mov    $0x4,%esi
  1b:	e8 eb 5c 9d f9       	callq  0xf99d5d0b
  20:	bd ff ff ff ff       	mov    $0xffffffff,%ebp
  25:	f0 41 0f c1 2e       	lock xadd %ebp,(%r14)
* 2a:	bf 01 00 00 00       	mov    $0x1,%edi <-- trapping instruction
  2f:	89 ee                	mov    %ebp,%esi
  31:	e8 f5 03 54 f9       	callq  0xf954042b
  36:	83 fd 01             	cmp    $0x1,%ebp
  39:	75 11                	jne    0x4c
  3b:	e8 8b 00 54 f9       	callq  0xf95400cb