------------[ cut here ]------------
WARNING: CPU: 0 PID: 6529 at net/mac80211/tx.c:5040 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5040 [inline]
WARNING: CPU: 0 PID: 6529 at net/mac80211/tx.c:5040 __ieee80211_beacon_get+0x1202/0x15c0 net/mac80211/tx.c:5469
Modules linked in:
CPU: 0 UID: 0 PID: 6529 Comm: syz.5.118 Not tainted 6.13.0-rc3-syzkaller-00209-g499551201b5f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5040 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1202/0x15c0 net/mac80211/tx.c:5469
Code: e8 33 1a 5c f6 eb 0d e8 2c 1a 5c f6 4c 8b bc 24 98 00 00 00 4c 89 ef e8 7c dc b6 f6 45 31 ed e9 4c fe ff ff e8 0f 1a 5c f6 90 <0f> 0b 90 e9 00 f7 ff ff e8 01 1a 5c f6 90 0f 0b 90 e9 e8 f8 ff ff
RSP: 0018:ffffc900000079e0 EFLAGS: 00010246
RAX: ffffffff8b4359e1 RBX: 0000000000000000 RCX: ffff88802a313c00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff8b4350dd R09: ffffffff8b434ae0
R10: 0000000000000003 R11: ffff88802a313c00 R12: ffff88802c74e500
R13: ffff88814332ec00 R14: ffff88802c74e9d0 R15: ffff88802c74cd80
FS:  00007fac5bdb66c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c43bf32 CR3: 000000002a05c000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0xb4/0x320 net/mac80211/tx.c:5596
 ieee80211_beacon_get include/net/mac80211.h:5635 [inline]
 mac80211_hwsim_beacon_tx+0x39d/0x850 drivers/net/wireless/virtual/mac80211_hwsim.c:2311
 __iterate_interfaces+0x299/0x570 net/mac80211/util.c:758
 ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 net/mac80211/util.c:794
 mac80211_hwsim_beacon+0xd4/0x1f0 drivers/net/wireless/virtual/mac80211_hwsim.c:2345
 __run_hrtimer kernel/time/hrtimer.c:1739 [inline]
 __hrtimer_run_queues+0x59d/0xd30 kernel/time/hrtimer.c:1803
 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1820
 handle_softirqs+0x2d6/0x9b0 kernel/softirq.c:561
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__refcount_sub_and_test include/linux/refcount.h:269 [inline]
RIP: 0010:__refcount_dec_and_test include/linux/refcount.h:307 [inline]
RIP: 0010:refcount_dec_and_test include/linux/refcount.h:325 [inline]
RIP: 0010:skb_unref include/linux/skbuff.h:1233 [inline]
RIP: 0010:consume_skb+0x49/0xf0 net/core/skbuff.c:1432
Code: 00 4c 89 f7 be 04 00 00 00 e8 03 4c 79 f8 bd ff ff ff ff f0 0f c1 ab e4 00 00 00 bf 01 00 00 00 89 ee e8 aa ec 12 f8 83 fd 01 <75> 60 48 8b 74 24 18 48 89 df e8 98 36 00 00 48 89 df e8 d0 08 00
RSP: 0018:ffffc900033876e0 EFLAGS: 00000202
RAX: 0000000000000002 RBX: ffff8880292e3dc0 RCX: ffffffff898c8b6d
RDX: ffff88802a313c00 RSI: 0000000000000002 RDI: 0000000000000001
RBP: 0000000000000002 R08: ffffffff898c8b86 R09: 1ffff1100525c7d4
R10: dffffc0000000000 R11: ffffed100525c7d5 R12: 0000000000000000
R13: ffff8880292e3dc0 R14: ffff8880292e3ea4 R15: 1ffff92000670ef4
 __unix_dgram_recvmsg+0xcea/0x12f0 net/unix/af_unix.c:2521
 sock_recvmsg_nosec+0x190/0x1d0 net/socket.c:1033
 ____sys_recvmsg+0x3cd/0x480 net/socket.c:2801
 ___sys_recvmsg net/socket.c:2845 [inline]
 do_recvmmsg+0x426/0xab0 net/socket.c:2940
 __sys_recvmmsg net/socket.c:3014 [inline]
 __do_sys_recvmmsg net/socket.c:3037 [inline]
 __se_sys_recvmmsg net/socket.c:3030 [inline]
 __x64_sys_recvmmsg+0x199/0x250 net/socket.c:3030
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fac5af85d29
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:00007fac5bdb6038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007fac5b176080 RCX: 00007fac5af85d29
RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 00007fac5b001aa8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fac5b176080 R15: 00007ffd07a9ad28
 </TASK>
----------------
Code disassembly (best guess):
   0:	00 4c 89 f7          	add    %cl,-0x9(%rcx,%rcx,4)
   4:	be 04 00 00 00       	mov    $0x4,%esi
   9:	e8 03 4c 79 f8       	call   0xf8794c11
   e:	bd ff ff ff ff       	mov    $0xffffffff,%ebp
  13:	f0 0f c1 ab e4 00 00 	lock xadd %ebp,0xe4(%rbx)
  1a:	00
  1b:	bf 01 00 00 00       	mov    $0x1,%edi
  20:	89 ee                	mov    %ebp,%esi
  22:	e8 aa ec 12 f8       	call   0xf812ecd1
  27:	83 fd 01             	cmp    $0x1,%ebp
* 2a:	75 60                	jne    0x8c <-- trapping instruction
  2c:	48 8b 74 24 18       	mov    0x18(%rsp),%rsi
  31:	48 89 df             	mov    %rbx,%rdi
  34:	e8 98 36 00 00       	call   0x36d1
  39:	48 89 df             	mov    %rbx,%rdi
  3c:	e8                   	.byte 0xe8
  3d:	d0 08                	rorb   (%rax)