------------[ cut here ]------------
WARNING: CPU: 1 PID: 9621 at net/mac80211/tx.c:4944 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4944 [inline]
WARNING: CPU: 1 PID: 9621 at net/mac80211/tx.c:4944 __ieee80211_beacon_get+0x1952/0x1f50 net/mac80211/tx.c:5265
Modules linked in:
CPU: 1 PID: 9621 Comm: syz.4.1135 Not tainted 6.1.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4944 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1952/0x1f50 net/mac80211/tx.c:5265
Code: ff ff ff e8 40 21 e5 f7 0f 0b 48 8b 7c 24 20 e8 e4 cf 7f fe e9 dd e9 ff ff e8 2a 21 e5 f7 0f 0b e9 f1 ee ff ff e8 1e 21 e5 f7 <0f> 0b e9 61 f2 ff ff e8 12 21 e5 f7 48 c7 c7 70 5f fa 8d 4c 89 f6
RSP: 0018:ffffc900001e08a0 EFLAGS: 00010246
RAX: ffffffff899b9d42 RBX: 0000000000000000 RCX: ffff88802bb53b80
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900001e0aa8 R08: ffff88802bb53b80 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: 1ffff9200003c12c
R13: dffffc0000000000 R14: ffff8880601e2258 R15: ffff888025b69a00
FS:  00007f572476e6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2ccc45 CR3: 00000000579bf000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0x5b/0x4d0 net/mac80211/tx.c:5352
 ieee80211_beacon_get include/net/mac80211.h:5262 [inline]
 mac80211_hwsim_beacon_tx+0x21c/0xae0 drivers/net/wireless/mac80211_hwsim.c:2091
 __iterate_interfaces+0x243/0x500 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:2147
 __run_hrtimer kernel/time/hrtimer.c:1752 [inline]
 __hrtimer_run_queues+0x554/0xd60 kernel/time/hrtimer.c:1816
 hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1833
 handle_softirqs+0x2a1/0x920 kernel/softirq.c:596
 __do_softirq kernel/softirq.c:630 [inline]
 invoke_softirq kernel/softirq.c:470 [inline]
 __irq_exit_rcu+0x12f/0x220 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:get_current arch/x86/include/asm/current.h:15 [inline]
RIP: 0010:pagefault_disabled include/linux/uaccess.h:228 [inline]
RIP: 0010:__might_fault+0x1e/0x120 mm/memory.c:5848
Code: 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 41 57 41 56 41 55 41 54 53 89 f5 49 89 fe 49 bc 00 00 00 00 00 fc ff df e8 92 6c c2 ff <65> 48 8b 1d 6a 1d 44 7e 4c 8d bb 70 17 00 00 4c 89 f8 48 c1 e8 03
RSP: 0018:ffffc90003327a18 EFLAGS: 00000246
RAX: ffffffff81be51ce RBX: 0000000000000038 RCX: 0000000000080000
RDX: ffffc9000d4ba000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: 000000000000000e R08: dffffc0000000000 R09: ffffc90003327ae0
R10: fffff52000664f63 R11: 1ffff92000664f5c R12: dffffc0000000000
R13: dffffc0000000000 R14: ffffffff8adeb6a0 R15: 0000200000940f80
 _copy_from_user+0x27/0x170 lib/usercopy.c:14
 copy_from_user include/linux/uaccess.h:161 [inline]
 copy_msghdr_from_user net/socket.c:2449 [inline]
 recvmsg_copy_msghdr net/socket.c:2704 [inline]
 ___sys_recvmsg+0x12b/0x510 net/socket.c:2776
 do_recvmmsg+0x359/0x7d0 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+0x18d/0x240 net/socket.c:2969
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f572398ebe9
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:00007f572476e038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f5723bb6090 RCX: 00007f572398ebe9
RDX: 000000000400034f RSI: 0000200000000480 RDI: 0000000000000003
RBP: 00007f5723a11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5723bb6128 R14: 00007f5723bb6090 R15: 00007ffdbfe88608
 </TASK>
----------------
Code disassembly (best guess):
   0:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   7:	00 00 00
   a:	66 90                	xchg   %ax,%ax
   c:	55                   	push   %rbp
   d:	41 57                	push   %r15
   f:	41 56                	push   %r14
  11:	41 55                	push   %r13
  13:	41 54                	push   %r12
  15:	53                   	push   %rbx
  16:	89 f5                	mov    %esi,%ebp
  18:	49 89 fe             	mov    %rdi,%r14
  1b:	49 bc 00 00 00 00 00 	movabs $0xdffffc0000000000,%r12
  22:	fc ff df
  25:	e8 92 6c c2 ff       	call   0xffc26cbc
* 2a:	65 48 8b 1d 6a 1d 44 	mov    %gs:0x7e441d6a(%rip),%rbx        # 0x7e441d9c <-- trapping instruction
  31:	7e
  32:	4c 8d bb 70 17 00 00 	lea    0x1770(%rbx),%r15
  39:	4c 89 f8             	mov    %r15,%rax
  3c:	48 c1 e8 03          	shr    $0x3,%rax