------------[ cut here ]------------
WARNING: CPU: 0 PID: 11905 at net/mac80211/tx.c:4877 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4877 [inline]
WARNING: CPU: 0 PID: 11905 at net/mac80211/tx.c:4877 __ieee80211_beacon_get+0x178a/0x1ff0 net/mac80211/tx.c:5101
Modules linked in:
CPU: 0 PID: 11905 Comm: syz.9.1430 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4877 [inline]
RIP: 0010:__ieee80211_beacon_get+0x178a/0x1ff0 net/mac80211/tx.c:5101
Code: 24 f8 0f 0b 4f 89 64 2f 04 4f 89 64 2f 0c 43 c6 44 2f 14 f8 e9 19 fe ff ff e8 82 de 24 f8 0f 0b e9 16 ef ff ff e8 76 de 24 f8 <0f> 0b e9 7c f2 ff ff e8 ca d1 6d 00 89 d9 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc900000078c0 EFLAGS: 00010246
RAX: ffffffff895444ea RBX: ffff88807271a200 RCX: ffff888049f99dc0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000007af8 R08: ffff888049f99dc0 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: f8f8f8f8f8f8f8f8
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff92000000f28
FS:  00007fc7948506c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f71ca20c4e8 CR3: 0000000067128000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0x48/0x840 net/mac80211/tx.c:5220
 ieee80211_beacon_get include/net/mac80211.h:4983 [inline]
 mac80211_hwsim_beacon_tx+0x104/0x900 drivers/net/wireless/mac80211_hwsim.c:1812
 __iterate_interfaces+0x225/0x4c0 net/mac80211/util.c:793
 ieee80211_iterate_active_interfaces_atomic+0xb3/0x140 net/mac80211/util.c:829
 mac80211_hwsim_beacon+0x9b/0x180 drivers/net/wireless/mac80211_hwsim.c:1865
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x4ea/0xb60 kernel/time/hrtimer.c:1749
 hrtimer_run_softirq+0x176/0x240 kernel/time/hrtimer.c:1766
 handle_softirqs+0x336/0x830 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:659
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:get_next_corpse net/netfilter/nf_conntrack_core.c:-1 [inline]
RIP: 0010:nf_ct_iterate_cleanup+0x82/0x3c0 net/netfilter/nf_conntrack_core.c:2395
Code: 0f 84 27 03 00 00 49 bc 00 00 00 00 00 fc ff df 31 db 89 d8 89 d9 25 ff 03 00 00 c1 e0 06 48 8d 80 80 48 e6 8c 48 89 44 24 08 <48> 89 0c 24 48 8d 04 cd 00 00 00 00 48 89 44 24 18 48 8b 1d 7e 75
RSP: 0018:ffffc90002f6f1c8 EFLAGS: 00000206
RAX: ffffffff8ce6a940 RBX: 0000000000012d83 RCX: 0000000000012d83
RDX: ffffc900124fe000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: 1ffff110057d2d82 R08: ffffffff91015157 R09: 1ffffffff2202a2a
R10: dffffc0000000000 R11: fffffbfff2202a2b R12: dffffc0000000000
R13: 0000000000000001 R14: ffffc90002f6f260 R15: ffffffff88295140
 nf_ct_iterate_cleanup_net+0x11d/0x190 net/netfilter/nf_conntrack_core.c:2479
 nft_ct_timeout_obj_destroy+0x7a/0x110 net/netfilter/nft_ct.c:936
 nft_obj_destroy net/netfilter/nf_tables_api.c:7534 [inline]
 nf_tables_abort_release net/netfilter/nf_tables_api.c:9792 [inline]
 __nf_tables_abort net/netfilter/nf_tables_api.c:9998 [inline]
 nf_tables_abort+0x5866/0x6480 net/netfilter/nf_tables_api.c:10012
 nfnetlink_rcv_batch net/netfilter/nfnetlink.c:580 [inline]
 nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:634 [inline]
 nfnetlink_rcv+0x1d00/0x2450 net/netfilter/nfnetlink.c:652
 netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline]
 netlink_unicast+0x78f/0x940 net/netlink/af_netlink.c:1340
 netlink_sendmsg+0x8ba/0xbe0 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:706 [inline]
 __sock_sendmsg net/socket.c:718 [inline]
 ____sys_sendmsg+0x5be/0x8f0 net/socket.c:2446
 ___sys_sendmsg+0x236/0x2e0 net/socket.c:2500
 __sys_sendmsg net/socket.c:2529 [inline]
 __do_sys_sendmsg net/socket.c:2538 [inline]
 __se_sys_sendmsg+0x1b7/0x2a0 net/socket.c:2536
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fc7966191d9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc794850028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fc7968a1090 RCX: 00007fc7966191d9
RDX: 0000000000000000 RSI: 0000200000000c40 RDI: 0000000000000008
RBP: 00007fc7966b0888 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc7968a1128 R14: 00007fc7968a1090 R15: 00007ffe03c0aa88
 </TASK>
----------------
Code disassembly (best guess):
   0:	0f 84 27 03 00 00    	je     0x32d
   6:	49 bc 00 00 00 00 00 	movabs $0xdffffc0000000000,%r12
   d:	fc ff df
  10:	31 db                	xor    %ebx,%ebx
  12:	89 d8                	mov    %ebx,%eax
  14:	89 d9                	mov    %ebx,%ecx
  16:	25 ff 03 00 00       	and    $0x3ff,%eax
  1b:	c1 e0 06             	shl    $0x6,%eax
  1e:	48 8d 80 80 48 e6 8c 	lea    -0x7319b780(%rax),%rax
  25:	48 89 44 24 08       	mov    %rax,0x8(%rsp)
* 2a:	48 89 0c 24          	mov    %rcx,(%rsp) <-- trapping instruction
  2e:	48 8d 04 cd 00 00 00 	lea    0x0(,%rcx,8),%rax
  35:	00
  36:	48 89 44 24 18       	mov    %rax,0x18(%rsp)
  3b:	48                   	rex.W
  3c:	8b                   	.byte 0x8b
  3d:	1d                   	.byte 0x1d
  3e:	7e 75                	jle    0xb5