------------[ cut here ]------------
WARNING: CPU: 0 PID: 6088 at net/mac80211/tx.c:5031 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5031 [inline]
WARNING: CPU: 0 PID: 6088 at net/mac80211/tx.c:5031 __ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5442
Modules linked in:
CPU: 0 PID: 6088 Comm: syz.1.35 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5031 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5442
Code: 24 4c 89 e7 e8 9e 22 d4 f7 45 31 f6 4c 8b bc 24 a0 00 00 00 e9 7a fe ff ff e8 99 fd 96 f7 0f 0b e9 f6 f7 ff ff e8 8d fd 96 f7 <0f> 0b e9 48 fb ff ff e8 81 fd 96 f7 48 c7 c7 60 fd 23 8e 4c 89 e6
RSP: 0018:ffffc90000007a18 EFLAGS: 00010246
RAX: ffffffff89ee8d43 RBX: ffffffff89ee7b46 RCX: ffff888020cfbc00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff888020cfbc00 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff88805c9763c0
R13: dffffc0000000000 R14: ffff88805c9768b0 R15: ffff8880260bec24
FS:  00007fb5529d56c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2fea3d CR3: 0000000026313000 CR4: 00000000003506f0
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0xb8/0x560 net/mac80211/tx.c:5569
 ieee80211_beacon_get include/net/mac80211.h:5440 [inline]
 mac80211_hwsim_beacon_tx+0x3c7/0x780 drivers/net/wireless/virtual/mac80211_hwsim.c:2265
 __iterate_interfaces+0x243/0x500 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:1750 [inline]
 __hrtimer_run_queues+0x51e/0xc40 kernel/time/hrtimer.c:1814
 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1831
 handle_softirqs+0x280/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xc7/0x190 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+0x75d/0xd60 net/unix/af_unix.c:2458
Code: 4d 8d 67 30 4d 8d 77 34 4c 89 e0 48 c1 e8 03 49 bd 00 00 00 00 00 fc ff df 42 0f b6 04 28 84 c0 0f 85 bc 04 00 00 41 8b 04 24 <89> 44 24 6c 4c 89 f0 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 be 04
RSP: 0018:ffffc9000bea7700 EFLAGS: 00000246
RAX: 00000000ffffffff RBX: 0000000000000000 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888026c6c7a8
RBP: ffffc9000bea7898 R08: ffffc9000bea77bf R09: 0000000000000000
R10: ffffc9000bea77a0 R11: fffff520017d4ef8 R12: ffff888026c6c7b0
R13: dffffc0000000000 R14: ffff888026c6c7b4 R15: ffff888026c6c780
 sock_recvmsg_nosec+0x82/0xd0 net/socket.c:1046
 ____sys_recvmsg+0x49b/0x5b0 net/socket.c:2812
 ___sys_recvmsg+0x1b6/0x510 net/socket.c:2856
 do_recvmmsg+0x360/0x7d0 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+0x191/0x240 net/socket.c:3045
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fb55478eec9
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:00007fb5529d5038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007fb5549e6090 RCX: 00007fb55478eec9
RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000005
RBP: 00007fb554811f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb5549e6128 R14: 00007fb5549e6090 R15: 00007ffe51db4bb8
 </TASK>
----------------
Code disassembly (best guess):
   0:	4d 8d 67 30          	lea    0x30(%r15),%r12
   4:	4d 8d 77 34          	lea    0x34(%r15),%r14
   8:	4c 89 e0             	mov    %r12,%rax
   b:	48 c1 e8 03          	shr    $0x3,%rax
   f:	49 bd 00 00 00 00 00 	movabs $0xdffffc0000000000,%r13
  16:	fc ff df
  19:	42 0f b6 04 28       	movzbl (%rax,%r13,1),%eax
  1e:	84 c0                	test   %al,%al
  20:	0f 85 bc 04 00 00    	jne    0x4e2
  26:	41 8b 04 24          	mov    (%r12),%eax
* 2a:	89 44 24 6c          	mov    %eax,0x6c(%rsp) <-- trapping instruction
  2e:	4c 89 f0             	mov    %r14,%rax
  31:	48 c1 e8 03          	shr    $0x3,%rax
  35:	42 0f b6 04 28       	movzbl (%rax,%r13,1),%eax
  3a:	84 c0                	test   %al,%al
  3c:	0f                   	.byte 0xf
  3d:	85                   	.byte 0x85
  3e:	be                   	.byte 0xbe
  3f:	04                   	.byte 0x4