------------[ cut here ]------------
WARNING: CPU: 0 PID: 21355 at net/mac80211/tx.c:5031 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5031 [inline]
WARNING: CPU: 0 PID: 21355 at net/mac80211/tx.c:5031 __ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5442
Modules linked in:
CPU: 0 PID: 21355 Comm: syz.2.3633 Not tainted 6.6.102-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:5031 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5442
Code: 24 4c 89 e7 e8 fe 37 d5 f7 45 31 f6 4c 8b bc 24 a0 00 00 00 e9 7a fe ff ff e8 89 12 98 f7 0f 0b e9 f6 f7 ff ff e8 7d 12 98 f7 <0f> 0b e9 48 fb ff ff e8 71 12 98 f7 48 c7 c7 c0 00 24 8e 4c 89 e6
RSP: 0018:ffffc90000007a18 EFLAGS: 00010246
RAX: ffffffff89ed78a3 RBX: ffffffff89ed66a6 RCX: ffff888023a90000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff888023a90000 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff88806786a3c0
R13: dffffc0000000000 R14: ffff88806786a8b0 R15: ffff88805c6b5024
FS:  00007fcb1a33d6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6a0d7812f8 CR3: 00000000663ba000 CR4: 00000000003506f0
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0xb8/0x560 net/mac80211/tx.c:5569
 ieee80211_beacon_get include/net/mac80211.h:5438 [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:1755 [inline]
 __hrtimer_run_queues+0x51e/0xc40 kernel/time/hrtimer.c:1819
 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1836
 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:___sys_recvmsg+0x1b6/0x510 net/socket.c:2856
Code: db 78 38 e8 9c 5b 25 f9 48 8b 8c 24 80 01 00 00 48 8b 7c 24 38 4c 89 e6 48 8b 54 24 18 45 89 f0 44 8b 4c 24 24 e8 2a f6 ff ff <89> c3 48 8b bc 24 60 01 00 00 e8 cb 80 62 f9 eb 05 e8 64 5b 25 f9
RSP: 0018:ffffc9000cccfa80 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff888023a90000
RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000cccfc70 R08: ffffc9000cccf687 R09: 1ffff92001999ed0
R10: dffffc0000000000 R11: fffff52001999ed1 R12: ffffc9000cccfd20
R13: dffffc0000000000 R14: 0000000000000002 R15: 1ffff92001999f58
 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: 0033:0x7fcb1958ebe9
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:00007fcb1a33d038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007fcb197b6090 RCX: 00007fcb1958ebe9
RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000005
RBP: 00007fcb19611e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fcb197b6128 R14: 00007fcb197b6090 R15: 00007ffd0debf578
 </TASK>
----------------
Code disassembly (best guess):
   0:	db 78 38             	fstpt  0x38(%rax)
   3:	e8 9c 5b 25 f9       	call   0xf9255ba4
   8:	48 8b 8c 24 80 01 00 	mov    0x180(%rsp),%rcx
   f:	00
  10:	48 8b 7c 24 38       	mov    0x38(%rsp),%rdi
  15:	4c 89 e6             	mov    %r12,%rsi
  18:	48 8b 54 24 18       	mov    0x18(%rsp),%rdx
  1d:	45 89 f0             	mov    %r14d,%r8d
  20:	44 8b 4c 24 24       	mov    0x24(%rsp),%r9d
  25:	e8 2a f6 ff ff       	call   0xfffff654
* 2a:	89 c3                	mov    %eax,%ebx <-- trapping instruction
  2c:	48 8b bc 24 60 01 00 	mov    0x160(%rsp),%rdi
  33:	00
  34:	e8 cb 80 62 f9       	call   0xf9628104
  39:	eb 05                	jmp    0x40
  3b:	e8 64 5b 25 f9       	call   0xf9255ba4