------------[ cut here ]------------
WARNING: CPU: 1 PID: 5779 at net/mac80211/tx.c:5031 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5031 [inline]
WARNING: CPU: 1 PID: 5779 at net/mac80211/tx.c:5031 __ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5442
Modules linked in:
CPU: 1 PID: 5779 Comm: syz-executor Not tainted 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 0e 88 d4 f7 45 31 f6 4c 8b bc 24 a0 00 00 00 e9 7a fe ff ff e8 19 65 97 f7 0f 0b e9 f6 f7 ff ff e8 0d 65 97 f7 <0f> 0b e9 48 fb ff ff e8 01 65 97 f7 48 c7 c7 a0 09 24 8e 4c 89 e6
RSP: 0000:ffffc900001f0a18 EFLAGS: 00010246
RAX: ffffffff89ee2a93 RBX: ffffffff89ee1896 RCX: ffff888021a71e00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff888021a71e00 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff88805e81a3c0
R13: dffffc0000000000 R14: ffff88805e81a8b0 R15: ffff88802e5b2024
FS:  000055559188c500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e216ff8 CR3: 0000000063aba000 CR4: 00000000003506e0
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: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:exit_to_user_mode_loop+0x40/0x110 kernel/entry/common.c:164
Code: fb eb 1d e8 42 86 fb 08 65 48 8b 05 1a 32 91 7e 4c 8b 30 41 f7 c6 0e 30 02 00 0f 84 c4 00 00 00 e8 f5 6a 19 00 fb 41 f6 c6 08 <74> 05 e8 b9 b2 03 09 41 f7 c6 00 10 00 00 74 08 48 89 df e8 58 e6
RSP: 0000:ffffc9000457ff10 EFLAGS: 00000202

RAX: c3b82d361f3fdb00 RBX: ffffc9000457ff58 RCX: c3b82d361f3fdb00
RDX: dffffc0000000000 RSI: ffffffff8aaaba20 RDI: ffffffff8afc7040
RBP: 0000000000000000 R08: ffffffff8e4a8f2f R09: 1ffffffff1c951e5
R10: dffffc0000000000 R11: fffffbfff1c951e6 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000008 R15: ffff888021a71e00
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
 irqentry_exit_to_user_mode+0x9/0x40 kernel/entry/common.c:315
 asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:692
RIP: 0033:0x7ff1c1984e57
Code: 89 7c 24 10 48 89 4c 24 18 e8 45 1b 03 00 4c 8b 54 24 18 8b 54 24 14 41 89 c0 48 8b 74 24 08 8b 7c 24 10 b8 3d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 89 44 24 10 e8 95 1b 03 00 8b 44
RSP: 002b:00007fff4900c470 EFLAGS: 00000293
RAX: 0000000000000023 RBX: 0000000000000023 RCX: 00007ff1c1984e57
RDX: 0000000040000001 RSI: 00007fff4900c4dc RDI: 00000000ffffffff
RBP: 00007fff4900c4dc R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000001388
R13: 00000000000927c0 R14: 0000000000014fdb R15: 00007fff4900c530
 </TASK>
----------------
Code disassembly (best guess):
   0:	fb                   	sti
   1:	eb 1d                	jmp    0x20
   3:	e8 42 86 fb 08       	call   0x8fb864a
   8:	65 48 8b 05 1a 32 91 	mov    %gs:0x7e91321a(%rip),%rax        # 0x7e91322a
   f:	7e
  10:	4c 8b 30             	mov    (%rax),%r14
  13:	41 f7 c6 0e 30 02 00 	test   $0x2300e,%r14d
  1a:	0f 84 c4 00 00 00    	je     0xe4
  20:	e8 f5 6a 19 00       	call   0x196b1a
  25:	fb                   	sti
  26:	41 f6 c6 08          	test   $0x8,%r14b
* 2a:	74 05                	je     0x31 <-- trapping instruction
  2c:	e8 b9 b2 03 09       	call   0x903b2ea
  31:	41 f7 c6 00 10 00 00 	test   $0x1000,%r14d
  38:	74 08                	je     0x42
  3a:	48 89 df             	mov    %rbx,%rdi
  3d:	e8                   	.byte 0xe8
  3e:	58                   	pop    %rax
  3f:	e6                   	.byte 0xe6