------------[ cut here ]------------
WARNING: CPU: 1 PID: 6520 at net/mac80211/tx.c:5040 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5040 [inline]
WARNING: CPU: 1 PID: 6520 at net/mac80211/tx.c:5040 __ieee80211_beacon_get+0x1202/0x15c0 net/mac80211/tx.c:5469
Modules linked in:
CPU: 1 UID: 0 PID: 6520 Comm: syz.2.132 Not tainted 6.13.0-rc3-next-20241220-syzkaller #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 b3 65 52 f6 eb 0d e8 ac 65 52 f6 4c 8b bc 24 98 00 00 00 4c 89 ef e8 5c 3f ad f6 45 31 ed e9 4c fe ff ff e8 8f 65 52 f6 90 <0f> 0b 90 e9 00 f7 ff ff e8 81 65 52 f6 90 0f 0b 90 e9 e8 f8 ff ff
RSP: 0018:ffffc90000a189e0 EFLAGS: 00010246
RAX: ffffffff8b6cbe91 RBX: 0000000000000000 RCX: ffff88802b775a00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff8b6cb58d R09: ffffffff8b6caf90
R10: 0000000000000003 R11: ffff88802b775a00 R12: ffff888030276500
R13: ffff8880202fb400 R14: ffff8880302769d0 R15: ffff888030274d80
FS:  00007f0f151366c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0f15136d58 CR3: 0000000079d46000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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+0x297/0x570 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+0x59b/0xd30 kernel/time/hrtimer.c:1803
 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1820
 handle_softirqs+0x2d4/0x9b0 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:__sanitizer_cov_trace_pc+0x5d/0x70 kernel/kcov.c:235
Code: 00 16 00 00 83 fa 02 75 21 48 8b 91 08 16 00 00 48 8b 32 48 8d 7e 01 8b 89 04 16 00 00 48 39 cf 73 08 48 89 3a 48 89 44 f2 08 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 90
RSP: 0018:ffffc90005697620 EFLAGS: 00000246
RAX: ffffffff89b70114 RBX: dffffc0000000000 RCX: 0000000000080000
RDX: ffffc9000dce6000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: 0000000000000000 R08: ffffffff89b700f6 R09: ffffffff89b70680
R10: dffffc0000000000 R11: fffffbfff203563f R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
 __skb_datagram_iter+0x7d4/0x900 net/core/datagram.c:466
 skb_copy_datagram_iter+0xd1/0x250 net/core/datagram.c:538
 skb_copy_datagram_msg include/linux/skbuff.h:4136 [inline]
 __unix_dgram_recvmsg+0x7e3/0x12f0 net/unix/af_unix.c:2476
 sock_recvmsg_nosec+0x18e/0x1d0 net/socket.c:1044
 ____sys_recvmsg+0x3cd/0x480 net/socket.c:2812
 ___sys_recvmsg net/socket.c:2856 [inline]
 do_recvmmsg+0x426/0xab0 net/socket.c:2951
 __sys_recvmmsg net/socket.c:3025 [inline]
 __do_sys_recvmmsg net/socket.c:3048 [inline]
 __se_sys_recvmmsg net/socket.c:3041 [inline]
 __x64_sys_recvmmsg+0x199/0x250 net/socket.c:3041
 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: 0033:0x7f0f14385d29
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:00007f0f15136038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f0f14576080 RCX: 00007f0f14385d29
RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000005
RBP: 00007f0f14401aa8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f0f14576080 R15: 00007ffd608909f8
 </TASK>
----------------
Code disassembly (best guess):
   0:	00 16                	add    %dl,(%rsi)
   2:	00 00                	add    %al,(%rax)
   4:	83 fa 02             	cmp    $0x2,%edx
   7:	75 21                	jne    0x2a
   9:	48 8b 91 08 16 00 00 	mov    0x1608(%rcx),%rdx
  10:	48 8b 32             	mov    (%rdx),%rsi
  13:	48 8d 7e 01          	lea    0x1(%rsi),%rdi
  17:	8b 89 04 16 00 00    	mov    0x1604(%rcx),%ecx
  1d:	48 39 cf             	cmp    %rcx,%rdi
  20:	73 08                	jae    0x2a
  22:	48 89 3a             	mov    %rdi,(%rdx)
  25:	48 89 44 f2 08       	mov    %rax,0x8(%rdx,%rsi,8)
* 2a:	c3                   	ret <-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00
  39:	0f 1f 40 00          	nopl   0x0(%rax)
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop