------------[ cut here ]------------
WARNING: CPU: 1 PID: 5879 at net/mac80211/tx.c:4859 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4859 [inline]
WARNING: CPU: 1 PID: 5879 at net/mac80211/tx.c:4859 __ieee80211_beacon_get+0x179f/0x2000 net/mac80211/tx.c:5083
Modules linked in:
CPU: 1 PID: 5879 Comm: syz.2.393 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4859 [inline]
RIP: 0010:__ieee80211_beacon_get+0x179f/0x2000 net/mac80211/tx.c:5083
Code: 2a f8 0f 0b 4f 89 64 2f 04 4f 89 64 2f 0c 43 c6 44 2f 14 f8 e9 19 fe ff ff e8 0d c0 2a f8 0f 0b e9 03 ef ff ff e8 01 c0 2a f8 <0f> 0b e9 76 f2 ff ff e8 15 89 6d 00 89 d9 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc90000dd08e0 EFLAGS: 00010246
RAX: ffffffff894e5f9f RBX: ffff88805f57e298 RCX: ffff8880281e8000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000dd0b08 R08: ffff8880281e8000 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff888060e5fc00
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff920001ba12c
FS:  00007eff0d96d6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3bf426 CR3: 000000002abc7000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0x48/0x840 net/mac80211/tx.c:5202
 ieee80211_beacon_get include/net/mac80211.h:4983 [inline]
 mac80211_hwsim_beacon_tx+0xf4/0x920 drivers/net/wireless/mac80211_hwsim.c:1812
 __iterate_interfaces+0x243/0x500 net/mac80211/util.c:793
 ieee80211_iterate_active_interfaces_atomic+0xb3/0x140 net/mac80211/util.c:829
 mac80211_hwsim_beacon+0x9b/0x180 drivers/net/wireless/mac80211_hwsim.c:1865
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x4eb/0xb70 kernel/time/hrtimer.c:1749
 hrtimer_run_softirq+0x176/0x240 kernel/time/hrtimer.c:1766
 handle_softirqs+0x339/0x830 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:659
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:___sys_recvmsg+0x21a/0x5c0 net/socket.c:2706
Code: 00 e8 3a fc 9e f9 48 8b 8c 24 80 01 00 00 48 8b 7c 24 38 4c 89 e6 48 8b 54 24 18 44 8b 44 24 14 44 8b 4c 24 24 e8 86 f5 ff ff <89> c3 48 8b bc 24 60 01 00 00 e8 67 6a e3 f9 e9 13 01 00 00 49 8d
RSP: 0018:ffffc9000351faa0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffff920006a3f30
RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000351fc90 R08: ffffc9000351f6e7 R09: 1ffff920006a3edc
R10: dffffc0000000000 R11: fffff520006a3edd R12: ffffc9000351fd40
R13: 1ffff920006a3f5c R14: f8f8f8f8f8f8f8f8 R15: dffffc0000000000
 do_recvmmsg+0x382/0x850 net/socket.c:2800
 __sys_recvmmsg net/socket.c:2879 [inline]
 __do_sys_recvmmsg net/socket.c:2902 [inline]
 __se_sys_recvmmsg net/socket.c:2895 [inline]
 __x64_sys_recvmmsg+0x195/0x250 net/socket.c:2895
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7eff0f732cb9
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:00007eff0d96d028 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007eff0f9ae090 RCX: 00007eff0f732cb9
RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000004
RBP: 00007eff0f7a0bf7 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007eff0f9ae128 R14: 00007eff0f9ae090 R15: 00007ffc80d8c918
 </TASK>
----------------
Code disassembly (best guess):
   0:	00 e8                	add    %ch,%al
   2:	3a fc                	cmp    %ah,%bh
   4:	9e                   	sahf
   5:	f9                   	stc
   6:	48 8b 8c 24 80 01 00 	mov    0x180(%rsp),%rcx
   d:	00
   e:	48 8b 7c 24 38       	mov    0x38(%rsp),%rdi
  13:	4c 89 e6             	mov    %r12,%rsi
  16:	48 8b 54 24 18       	mov    0x18(%rsp),%rdx
  1b:	44 8b 44 24 14       	mov    0x14(%rsp),%r8d
  20:	44 8b 4c 24 24       	mov    0x24(%rsp),%r9d
  25:	e8 86 f5 ff ff       	call   0xfffff5b0
* 2a:	89 c3                	mov    %eax,%ebx <-- trapping instruction
  2c:	48 8b bc 24 60 01 00 	mov    0x160(%rsp),%rdi
  33:	00
  34:	e8 67 6a e3 f9       	call   0xf9e36aa0
  39:	e9 13 01 00 00       	jmp    0x151
  3e:	49                   	rex.WB
  3f:	8d                   	.byte 0x8d