------------[ cut here ]------------
WARNING: CPU: 1 PID: 7959 at net/mac80211/tx.c:5048 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5048 [inline]
WARNING: CPU: 1 PID: 7959 at net/mac80211/tx.c:5048 __ieee80211_beacon_get+0x1141/0x1520 net/mac80211/tx.c:5459
Modules linked in:
CPU: 1 PID: 7959 Comm: syz.4.424 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: 0000:ffffc900001f0a18 EFLAGS: 00010246
RAX: ffffffff8a0b01e1 RBX: dffffc0000000000 RCX: ffff888026f89e00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff888026f89e00 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff88805d6c6440
R13: ffff88807f759424 R14: ffff88805d6c6930 R15: ffff88807f759400
FS:  00007fa22bc9b6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2dd11ff8 CR3: 000000007c48d000 CR4: 00000000003506e0
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:finish_task_switch+0x267/0x8f0 kernel/sched/core.c:5256
Code: 2f 09 85 c0 0f 84 30 01 00 00 48 85 db 0f 85 4f 01 00 00 0f 1f 44 00 00 4c 89 e7 e8 93 d0 38 09 e8 1e 19 30 00 fb 4c 8b 65 b8 <49> 8d bc 24 f8 15 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0
RSP: 0000:ffffc9000d0272a0 EFLAGS: 00000286
RAX: 8060fb49ef903b00 RBX: 0000000000000000 RCX: 8060fb49ef903b00
RDX: dffffc0000000000 RSI: ffffffff8acacbe0 RDI: ffffffff8b1d0ca0
RBP: ffffc9000d0272f0 R08: ffffffff8e8c7aef R09: 1ffffffff1d18f5d
R10: dffffc0000000000 R11: fffffbfff1d18f5e R12: ffff888026f89e00
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff8164f8e0
 context_switch kernel/sched/core.c:5385 [inline]
 __schedule+0x15b6/0x4660 kernel/sched/core.c:6701
 schedule+0xbd/0x170 kernel/sched/core.c:6775
 schedule_timeout+0xc1/0x2d0 kernel/time/timer.c:2144
 unix_wait_for_peer+0x1f6/0x2f0 net/unix/af_unix.c:1515
 unix_dgram_sendmsg+0xee4/0x16e0 net/unix/af_unix.c:2107
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg net/socket.c:745 [inline]
 ____sys_sendmsg+0x61b/0x980 net/socket.c:2595
 ___sys_sendmsg+0x2a6/0x360 net/socket.c:2649
 __sys_sendmmsg+0x2ca/0x510 net/socket.c:2735
 __do_sys_sendmmsg net/socket.c:2764 [inline]
 __se_sys_sendmmsg net/socket.c:2761 [inline]
 __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2761
 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: 0033:0x7fa22ad9e019
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:00007fa22bc9b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007fa22b025fa0 RCX: 00007fa22ad9e019
RDX: 0000000000000651 RSI: 0000200000000000 RDI: 0000000000000008
RBP: 00007fa22ae3500c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa22b026038 R14: 00007fa22b025fa0 R15: 00007ffc5e9fb378
 </TASK>
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	09 85 c0 0f 84 30    	or     %eax,0x30840fc0(%rbp)
   6:	01 00                	add    %eax,(%rax)
   8:	00 48 85             	add    %cl,-0x7b(%rax)
   b:	db 0f                	fisttpl (%rdi)
   d:	85 4f 01             	test   %ecx,0x1(%rdi)
  10:	00 00                	add    %al,(%rax)
  12:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  17:	4c 89 e7             	mov    %r12,%rdi
  1a:	e8 93 d0 38 09       	call   0x938d0b2
  1f:	e8 1e 19 30 00       	call   0x301942
  24:	fb                   	sti
  25:	4c 8b 65 b8          	mov    -0x48(%rbp),%r12
* 29:	49 8d bc 24 f8 15 00 	lea    0x15f8(%r12),%rdi <-- trapping instruction
  30:	00
  31:	48 89 f8             	mov    %rdi,%rax
  34:	48 c1 e8 03          	shr    $0x3,%rax
  38:	42 0f b6 04 30       	movzbl (%rax,%r14,1),%eax
  3d:	84 c0                	test   %al,%al