------------[ cut here ]------------
WARNING: CPU: 1 PID: 6917 at net/mac80211/tx.c:4934 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4934 [inline]
WARNING: CPU: 1 PID: 6917 at net/mac80211/tx.c:4934 __ieee80211_beacon_get+0x1952/0x1f50 net/mac80211/tx.c:5255
Modules linked in:
CPU: 1 PID: 6917 Comm: syz.5.837 Not tainted 6.1.142-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4934 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1952/0x1f50 net/mac80211/tx.c:5255
Code: ff ff ff e8 b0 ce e3 f7 0f 0b 48 8b 7c 24 20 e8 e4 94 7f fe e9 dd e9 ff ff e8 9a ce e3 f7 0f 0b e9 f1 ee ff ff e8 8e ce e3 f7 <0f> 0b e9 61 f2 ff ff e8 82 ce e3 f7 48 c7 c7 70 69 fa 8d 4c 89 f6
RSP: 0018:ffffc900001e08a0 EFLAGS: 00010246
RAX: ffffffff899d08f2 RBX: 0000000000000000 RCX: ffff88802afc1dc0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900001e0aa8 R08: ffff88802afc1dc0 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: 1ffff9200003c12c
R13: dffffc0000000000 R14: ffff888018316258 R15: ffff888079b5f800
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f96f68f3253 CR3: 00000000183fa000 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:5342
 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:__tlb_remove_page_size+0x1a1/0x3f0 mm/mmu_gather.c:104
Code: 20 84 c0 0f 85 b5 01 00 00 45 8b 37 89 ef 44 89 f6 e8 e3 1c be ff 44 39 f5 0f 87 36 02 00 00 e8 75 1b be ff 31 c0 48 83 c4 18 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 48 8b 5c 24 10 48 83 c3 24 49 89
RSP: 0018:ffffc900039a77a8 EFLAGS: 00000282
RAX: 0000000000000000 RBX: ffff888027fe5010 RCX: ffff88802afc1dc0
RDX: 0000000000000000 RSI: 00000000000001fe RDI: 00000000000000e9
RBP: 00000000000000e9 R08: dffffc0000000000 R09: fffff9400030103f
R10: fffff9400030103f R11: 1ffffd400030103e R12: dffffc0000000000
R13: 00000000000001fe R14: 00000000000001fe R15: ffff888027fe500c
 __tlb_remove_page include/asm-generic/tlb.h:444 [inline]
 zap_pte_range mm/memory.c:1456 [inline]
 zap_pmd_range mm/memory.c:1574 [inline]
 zap_pud_range mm/memory.c:1603 [inline]
 zap_p4d_range mm/memory.c:1624 [inline]
 unmap_page_range+0x125c/0x2500 mm/memory.c:1645
 unmap_vmas+0x22c/0x330 mm/memory.c:1730
 exit_mmap+0x1cc/0x8e0 mm/mmap.c:3246
 __mmput+0x118/0x3c0 kernel/fork.c:1200
 exit_mm+0x1e6/0x2c0 kernel/exit.c:565
 do_exit+0x8c1/0x2400 kernel/exit.c:867
 do_group_exit+0x217/0x2d0 kernel/exit.c:1022
 __do_sys_exit_group kernel/exit.c:1033 [inline]
 __se_sys_exit_group kernel/exit.c:1031 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1031
 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: 0033:0x7f842e98e929
Code: Unable to access opcode bytes at 0x7f842e98e8ff.
RSP: 002b:00007ffd7a821488 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f842e98e929
RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffd7a8214ec R08: 000000057a82157f R09: 000000000000005a
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000044
R13: 000000000000005a R14: 000000000003997c R15: 00007ffd7a821540
 </TASK>
----------------
Code disassembly (best guess):
   0:	20 84 c0 0f 85 b5 01 	and    %al,0x1b5850f(%rax,%rax,8)
   7:	00 00                	add    %al,(%rax)
   9:	45 8b 37             	mov    (%r15),%r14d
   c:	89 ef                	mov    %ebp,%edi
   e:	44 89 f6             	mov    %r14d,%esi
  11:	e8 e3 1c be ff       	call   0xffbe1cf9
  16:	44 39 f5             	cmp    %r14d,%ebp
  19:	0f 87 36 02 00 00    	ja     0x255
  1f:	e8 75 1b be ff       	call   0xffbe1b99
  24:	31 c0                	xor    %eax,%eax
  26:	48 83 c4 18          	add    $0x18,%rsp
* 2a:	5b                   	pop    %rbx <-- trapping instruction
  2b:	41 5c                	pop    %r12
  2d:	41 5d                	pop    %r13
  2f:	41 5e                	pop    %r14
  31:	41 5f                	pop    %r15
  33:	5d                   	pop    %rbp
  34:	c3                   	ret
  35:	48 8b 5c 24 10       	mov    0x10(%rsp),%rbx
  3a:	48 83 c3 24          	add    $0x24,%rbx
  3e:	49                   	rex.WB
  3f:	89                   	.byte 0x89