------------[ cut here ]------------
WARNING: CPU: 1 PID: 8191 at net/mac80211/tx.c:4981 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4981 [inline]
WARNING: CPU: 1 PID: 8191 at net/mac80211/tx.c:4981 __ieee80211_beacon_get+0x1141/0x1520 net/mac80211/tx.c:5382
Modules linked in:
CPU: 1 PID: 8191 Comm: syz.5.866 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4981 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1141/0x1520 net/mac80211/tx.c:5382
Code: f7 4c 89 ef e8 60 37 01 f8 45 31 ed 4c 8b bc 24 a0 00 00 00 e9 7f fe ff ff e8 8b 6a c8 f7 0f 0b e9 61 f8 ff ff e8 7f 6a c8 f7 <0f> 0b e9 85 fb ff ff e8 73 6a c8 f7 48 c7 c7 40 13 fd 8e 4c 89 e6
RSP: 0018:ffffc900001e0a48 EFLAGS: 00010246
RAX: ffffffff89b9fe21 RBX: dffffc0000000000 RCX: ffff88802dae5a00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88802dae5a00 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff888054cc6208
R13: ffff888055897c24 R14: ffff888054cc6740 R15: ffff888055897c00
FS:  00007f70075d26c0(0000) GS:ffff8880b8d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f70075d1ff8 CR3: 0000000079555000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0x63/0x4e0 net/mac80211/tx.c:5509
 ieee80211_beacon_get include/net/mac80211.h:5338 [inline]
 mac80211_hwsim_beacon_tx+0x21c/0xae0 drivers/net/wireless/mac80211_hwsim.c:2097
 __iterate_interfaces+0x225/0x4c0 net/mac80211/util.c:788
 ieee80211_iterate_active_interfaces_atomic+0xd7/0x170 net/mac80211/util.c:824
 mac80211_hwsim_beacon+0xb7/0x1b0 drivers/net/wireless/mac80211_hwsim.c:2153
 __run_hrtimer kernel/time/hrtimer.c:1751 [inline]
 __hrtimer_run_queues+0x522/0xc90 kernel/time/hrtimer.c:1815
 hrtimer_run_softirq+0x173/0x290 kernel/time/hrtimer.c:1832
 handle_softirqs+0x291/0x910 kernel/softirq.c:596
 __do_softirq kernel/softirq.c:630 [inline]
 invoke_softirq kernel/softirq.c:470 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:679
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:_raw_spin_lock_irqsave+0x16/0x100 kernel/locking/spinlock.c:161
Code: c4 08 48 89 df 5b e9 f9 fe 23 f7 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 54 53 48 83 e4 e0 48 83 ec 60 48 89 fb <65> 48 8b 04 25 28 00 00 00 48 89 44 24 48 48 c7 04 24 b3 8a b5 41
RSP: 0018:ffffc9000e10f620 EFLAGS: 00000282
RAX: 1ffff92001c21f04 RBX: ffff8880581d29d0 RCX: 1ffff1100b03a57e
RDX: 1ffff1100b03a538 RSI: 0000000000000000 RDI: ffff8880581d29d0
RBP: ffffc9000e10f6a0 R08: ffffc9000e10f870 R09: ffffc9000e10f820
R10: dffffc0000000000 R11: fffffbfff1e4482e R12: dffffc0000000000
R13: ffff8880581d2800 R14: ffffc9000e10f820 R15: 1ffff1100b03a546
 __skb_try_recv_datagram+0x11a/0x500 net/core/datagram.c:262
 __unix_dgram_recvmsg+0x2f5/0xda0 net/unix/af_unix.c:2463
 ____sys_recvmsg+0x2c8/0x5b0 net/socket.c:-1
 ___sys_recvmsg+0x210/0x590 net/socket.c:2780
 do_recvmmsg+0x370/0x810 net/socket.c:2874
 __sys_recvmmsg net/socket.c:2953 [inline]
 __do_sys_recvmmsg net/socket.c:2976 [inline]
 __se_sys_recvmmsg net/socket.c:2969 [inline]
 __x64_sys_recvmmsg+0x195/0x250 net/socket.c:2969
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f70067a8f19
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:00007f70075d2028 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f7006a26090 RCX: 00007f70067a8f19
RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000004
RBP: 00007f7006837f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7006a26128 R14: 00007f7006a26090 R15: 00007ffe338bf488
 </TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	48 89 df             	mov    %rbx,%rdi
   3:	5b                   	pop    %rbx
   4:	e9 f9 fe 23 f7       	jmp    0xf723ff02
   9:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  10:	00 00
  12:	55                   	push   %rbp
  13:	48 89 e5             	mov    %rsp,%rbp
  16:	41 57                	push   %r15
  18:	41 56                	push   %r14
  1a:	41 54                	push   %r12
  1c:	53                   	push   %rbx
  1d:	48 83 e4 e0          	and    $0xffffffffffffffe0,%rsp
  21:	48 83 ec 60          	sub    $0x60,%rsp
  25:	48 89 fb             	mov    %rdi,%rbx
* 28:	65 48 8b 04 25 28 00 	mov    %gs:0x28,%rax <-- trapping instruction
  2f:	00 00
  31:	48 89 44 24 48       	mov    %rax,0x48(%rsp)
  36:	48 c7 04 24 b3 8a b5 	movq   $0x41b58ab3,(%rsp)
  3d:	41