------------[ cut here ]------------
WARNING: CPU: 0 PID: 6752 at net/mac80211/tx.c:5040 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5040 [inline]
WARNING: CPU: 0 PID: 6752 at net/mac80211/tx.c:5040 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5035 [inline]
WARNING: CPU: 0 PID: 6752 at net/mac80211/tx.c:5040 __ieee80211_beacon_get+0x14ac/0x16b0 net/mac80211/tx.c:5469
Modules linked in:
CPU: 0 UID: 0 PID: 6752 Comm: syz.2.188 Not tainted 6.14.0-rc7-syzkaller-00186-gd07de43e3f05 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5040 [inline]
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5035 [inline]
RIP: 0010:__ieee80211_beacon_get+0x14ac/0x16b0 net/mac80211/tx.c:5469
Code: 00 89 df 44 89 e6 e8 e3 c8 e0 f6 44 38 e3 72 a1 e8 f9 ce e0 f6 48 89 ef e8 a1 34 39 f7 31 ed e9 9c fe ff ff e8 e5 ce e0 f6 90 <0f> 0b 90 e9 86 f6 ff ff 48 89 c6 48 c7 c7 e0 f1 2f 90 48 89 04 24
RSP: 0018:ffffc90000007b70 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8ad91812
RDX: ffff888062f32440 RSI: ffffffff8ad9218b RDI: 0000000000000001
RBP: ffffc90000007c20 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888033df7800
R13: 0000000000000041 R14: ffff88806a3e0d80 R15: ffff88806a3e29d0
FS:  00007f604f6a76c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000392030 CR3: 0000000022f78000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0xa7/0x280 net/mac80211/tx.c:5596
 ieee80211_beacon_get include/net/mac80211.h:5641 [inline]
 mac80211_hwsim_beacon_tx+0x4ea/0xa10 drivers/net/wireless/virtual/mac80211_hwsim.c:2311
 __iterate_interfaces+0x2e5/0x640 net/mac80211/util.c:761
 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 net/mac80211/util.c:797
 mac80211_hwsim_beacon+0x105/0x200 drivers/net/wireless/virtual/mac80211_hwsim.c:2345
 __run_hrtimer kernel/time/hrtimer.c:1801 [inline]
 __hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1865
 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1882
 handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu+0x109/0x170 kernel/softirq.c:662
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0xc/0x20 kernel/kcov.c:314
Code: 00 e9 58 fe ff ff 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 0c 24 89 f2 89 fe <bf> 05 00 00 00 e9 2a fe ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 90
RSP: 0018:ffffc9000bc6fa30 EFLAGS: 00000246
RAX: 0000000000000007 RBX: ffffffff8bd31980 RCX: ffffffff8202d972
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00000000000000a2 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000000 R12: 0000000000000000
R13: ffffc9000bc6faa8 R14: ffffc9000bc6fb90 R15: ffffc9000bc6faa8
 __might_fault+0x62/0x190 mm/memory.c:6834
 _inline_copy_from_user include/linux/uaccess.h:162 [inline]
 _copy_from_user+0x29/0xd0 lib/usercopy.c:18
 copy_from_user include/linux/uaccess.h:212 [inline]
 copy_msghdr_from_user+0x99/0x160 net/socket.c:2503
 recvmsg_copy_msghdr net/socket.c:2759 [inline]
 ___sys_recvmsg+0xdc/0x1a0 net/socket.c:2831
 do_recvmmsg+0x2f8/0x740 net/socket.c:2930
 __sys_recvmmsg net/socket.c:3004 [inline]
 __do_sys_recvmmsg net/socket.c:3027 [inline]
 __se_sys_recvmmsg net/socket.c:3020 [inline]
 __x64_sys_recvmmsg+0x239/0x290 net/socket.c:3020
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f604e78d169
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:00007f604f6a7038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f604e9a6080 RCX: 00007f604e78d169
RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000003
RBP: 00007f604e80e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f604e9a6080 R15: 00007ffea43f8e38
 </TASK>
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	e9 58 fe ff ff       	jmp    0xfffffe5d
   5:	0f 1f 84 00 00 00 00 	nopl   0x0(%rax,%rax,1)
   c:	00
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	90                   	nop
  1c:	90                   	nop
  1d:	f3 0f 1e fa          	endbr64
  21:	48 8b 0c 24          	mov    (%rsp),%rcx
  25:	89 f2                	mov    %esi,%edx
  27:	89 fe                	mov    %edi,%esi
* 29:	bf 05 00 00 00       	mov    $0x5,%edi <-- trapping instruction
  2e:	e9 2a fe ff ff       	jmp    0xfffffe5d
  33:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  3a:	00 00 00
  3d:	90                   	nop
  3e:	90                   	nop