------------[ cut here ]------------
WARNING: CPU: 0 PID: 25869 at net/mac80211/tx.c:5048 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5048 [inline]
WARNING: CPU: 0 PID: 25869 at net/mac80211/tx.c:5048 __ieee80211_beacon_get+0x1141/0x1520 net/mac80211/tx.c:5459
Modules linked in:
CPU: 0 PID: 25869 Comm: syz.1.5044 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5048 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1141/0x1520 net/mac80211/tx.c:5459
Code: f7 4c 89 ef e8 70 5b ba f7 45 31 ed 4c 8b bc 24 a0 00 00 00 e9 7f fe ff ff e8 ab 6f 7c f7 0f 0b e9 61 f8 ff ff e8 9f 6f 7c f7 <0f> 0b e9 85 fb ff ff e8 93 6f 7c f7 48 c7 c7 60 bd 65 8e 4c 89 e6
RSP: 0018:ffffc90000007a18 EFLAGS: 00010246
RAX: ffffffff8a0b01e1 RBX: dffffc0000000000 RCX: ffff88802b768000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88802b768000 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff88805d8d6440
R13: ffff888058fe3024 R14: ffff88805d8d6930 R15: ffff888058fe3000
FS:  00007f3a87c4b6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000d6d030 CR3: 000000002ced0000 CR4: 00000000003506f0
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0xbf/0x580 net/mac80211/tx.c:5586
 ieee80211_beacon_get include/net/mac80211.h:5440 [inline]
 mac80211_hwsim_beacon_tx+0x3bd/0x770 drivers/net/wireless/virtual/mac80211_hwsim.c:2265
 __iterate_interfaces+0x225/0x4c0 net/mac80211/util.c:766
 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:802
 mac80211_hwsim_beacon+0xbb/0x1b0 drivers/net/wireless/virtual/mac80211_hwsim.c:2295
 __run_hrtimer kernel/time/hrtimer.c:1754 [inline]
 __hrtimer_run_queues+0x525/0xc10 kernel/time/hrtimer.c:1818
 hrtimer_run_softirq+0x177/0x290 kernel/time/hrtimer.c:1835
 handle_softirqs+0x27d/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:__unix_dgram_recvmsg+0x73a/0xd90 net/unix/af_unix.c:2458
Code: 4a f8 eb 17 e8 f7 9a 4a f8 48 8b 7c 24 18 48 8b 74 24 20 4c 89 fa e8 d5 98 3a ff ba 20 00 00 00 48 8d bc 24 80 00 00 00 31 f6 <e8> 41 1f a3 f8 49 8d 7f 28 48 89 f8 48 c1 e8 03 42 80 3c 28 00 74
RSP: 0018:ffffc900051f7720 EFLAGS: 00000246
RAX: ffffffff893cd682 RBX: 0000000000000000 RCX: 0000000000080000
RDX: 0000000000000020 RSI: 0000000000000000 RDI: ffffc900051f77a0
RBP: ffffc900051f7898 R08: ffff88807c2f4067 R09: 1ffff1100f85e80c
R10: dffffc0000000000 R11: ffffed100f85e80d R12: 1ffff92000a3eef0
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880246d9280
 sock_recvmsg_nosec+0x82/0xd0 net/socket.c:1047
 ____sys_recvmsg+0x4d7/0x5d0 net/socket.c:2812
 ___sys_recvmsg+0x214/0x590 net/socket.c:2856
 do_recvmmsg+0x377/0x810 net/socket.c:2950
 __sys_recvmmsg net/socket.c:3029 [inline]
 __do_sys_recvmmsg net/socket.c:3052 [inline]
 __se_sys_recvmmsg net/socket.c:3045 [inline]
 __x64_sys_recvmmsg+0x199/0x250 net/socket.c:3045
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f3a86d9e0d9
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:00007f3a87c4b028 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f3a87026090 RCX: 00007f3a86d9e0d9
RDX: 03fffffffffffcb5 RSI: 00002000000000c0 RDI: 0000000000000003
RBP: 00007f3a86e35024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3a87026128 R14: 00007f3a87026090 R15: 00007ffe503f2008
 </TASK>
----------------
Code disassembly (best guess):
   0:	4a f8                	rex.WX clc
   2:	eb 17                	jmp    0x1b
   4:	e8 f7 9a 4a f8       	call   0xf84a9b00
   9:	48 8b 7c 24 18       	mov    0x18(%rsp),%rdi
   e:	48 8b 74 24 20       	mov    0x20(%rsp),%rsi
  13:	4c 89 fa             	mov    %r15,%rdx
  16:	e8 d5 98 3a ff       	call   0xff3a98f0
  1b:	ba 20 00 00 00       	mov    $0x20,%edx
  20:	48 8d bc 24 80 00 00 	lea    0x80(%rsp),%rdi
  27:	00
  28:	31 f6                	xor    %esi,%esi
* 2a:	e8 41 1f a3 f8       	call   0xf8a31f70 <-- trapping instruction
  2f:	49 8d 7f 28          	lea    0x28(%r15),%rdi
  33:	48 89 f8             	mov    %rdi,%rax
  36:	48 c1 e8 03          	shr    $0x3,%rax
  3a:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1)
  3f:	74                   	.byte 0x74