------------[ cut here ]------------
WARNING: CPU: 1 PID: 16461 at net/mac80211/tx.c:4961 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4961 [inline]
WARNING: CPU: 1 PID: 16461 at net/mac80211/tx.c:4961 __ieee80211_beacon_get+0x1141/0x1520 net/mac80211/tx.c:5362
Modules linked in:
CPU: 1 PID: 16461 Comm: syz.5.2459 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4961 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1141/0x1520 net/mac80211/tx.c:5362
Code: f7 4c 89 ef e8 80 75 07 f8 45 31 ed 4c 8b bc 24 a0 00 00 00 e9 7f fe ff ff e8 db d0 ce f7 0f 0b e9 61 f8 ff ff e8 cf d0 ce f7 <0f> 0b e9 85 fb ff ff e8 c3 d0 ce f7 48 c7 c7 a0 fc fb 8d 4c 89 e6
RSP: 0000:ffffc900001e0a48 EFLAGS: 00010246
RAX: ffffffff89b35d51 RBX: dffffc0000000000 RCX: ffff8880300f8000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff8880300f8000 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff88803eb3a228
R13: ffff888024512024 R14: ffff88803eb3a760 R15: ffff888024512000
FS:  000055558f287500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c31a20b CR3: 00000000663ba000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0x63/0x4e0 net/mac80211/tx.c:5489
 ieee80211_beacon_get include/net/mac80211.h:5335 [inline]
 mac80211_hwsim_beacon_tx+0x21c/0xae0 drivers/net/wireless/mac80211_hwsim.c:2091
 __iterate_interfaces+0x225/0x4c0 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:1751 [inline]
 __hrtimer_run_queues+0x522/0xc90 kernel/time/hrtimer.c:1815
 hrtimer_run_softirq+0x173/0x290 kernel/time/hrtimer.c:1832
 handle_softirqs+0x291/0x910 kernel/softirq.c:596
 __do_softirq kernel/softirq.c:630 [inline]
 invoke_softirq kernel/softirq.c:470 [inline]
 __irq_exit_rcu+0x13b/0x230 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:write_comp_data kernel/kcov.c:244 [inline]
RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x4/0x80 kernel/kcov.c:320
Code: 77 22 89 ff 89 f6 49 ff c0 4c 89 01 48 c7 44 11 08 05 00 00 00 48 89 7c 11 10 48 89 74 11 18 48 89 44 11 20 c3 90 48 8b 04 24 <65> 48 8b 0d 34 3d 80 7e 65 8b 15 35 3d 80 7e 81 e2 00 01 ff 00 74
RSP: 0000:ffffc9000c137a50 EFLAGS: 00000246
RAX: ffffffff81bffacd RBX: 0000000000000000 RCX: ffffffff81bffaa4
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffea0001a4a747 R09: 1ffffd40003494e8
R10: dffffc0000000000 R11: fffff940003494e9 R12: dffffc0000000000
R13: 1ffffd40003494e9 R14: ffffea0001a4a708 R15: 00fff9800000205f
 mm_counter_file+0xfd/0x2c0 include/linux/mm.h:2216
 do_set_pte+0x27d/0x460 mm/memory.c:4421
 filemap_map_pages+0xd73/0x11e0 mm/filemap.c:3513
 do_fault_around mm/memory.c:4598 [inline]
 do_read_fault mm/memory.c:4624 [inline]
 do_fault mm/memory.c:4758 [inline]
 handle_pte_fault mm/memory.c:5029 [inline]
 __handle_mm_fault mm/memory.c:5171 [inline]
 handle_mm_fault+0x25e5/0x3d40 mm/memory.c:5292
 do_user_addr_fault+0x58e/0xb20 arch/x86/mm/fault.c:1338
 handle_page_fault arch/x86/mm/fault.c:1429 [inline]
 exc_page_fault+0x60/0x100 arch/x86/mm/fault.c:1482
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:608
RIP: 0033:0x7f5ea56728b6
Code: ff 48 83 e8 01 48 89 de bf 01 00 00 00 48 c1 e0 0e 48 c1 ee 06 48 01 c8 48 89 d9 81 e6 ff 3f 00 00 48 c1 e9 03 83 e1 07 d3 e7 <40> 84 bc 06 20 20 00 00 0f 85 20 fe ff ff e9 d4 fd ff ff 0f 1f 80
RSP: 002b:00007fffc88ba370 EFLAGS: 00010246
RAX: 000000110c318000 RBX: ffffffff89807ac4 RCX: 0000000000000000
RDX: 0000000000001ac4 RSI: 00000000000001eb RDI: 0000000000000001
RBP: 0000000000000000 R08: 00007f5ea5a10000 R09: 00007f5ea5a12000
R10: 0000000089807ac8 R11: 0000000000000000 R12: 00007f5ea5a26038
R13: 00000000000000ef R14: ffffffff89807c63 R15: 00007f5ea6555720
 </TASK>
----------------
Code disassembly (best guess):
   0:	77 22                	ja     0x24
   2:	89 ff                	mov    %edi,%edi
   4:	89 f6                	mov    %esi,%esi
   6:	49 ff c0             	inc    %r8
   9:	4c 89 01             	mov    %r8,(%rcx)
   c:	48 c7 44 11 08 05 00 	movq   $0x5,0x8(%rcx,%rdx,1)
  13:	00 00
  15:	48 89 7c 11 10       	mov    %rdi,0x10(%rcx,%rdx,1)
  1a:	48 89 74 11 18       	mov    %rsi,0x18(%rcx,%rdx,1)
  1f:	48 89 44 11 20       	mov    %rax,0x20(%rcx,%rdx,1)
  24:	c3                   	ret
  25:	90                   	nop
  26:	48 8b 04 24          	mov    (%rsp),%rax
* 2a:	65 48 8b 0d 34 3d 80 	mov    %gs:0x7e803d34(%rip),%rcx        # 0x7e803d66 <-- trapping instruction
  31:	7e
  32:	65 8b 15 35 3d 80 7e 	mov    %gs:0x7e803d35(%rip),%edx        # 0x7e803d6e
  39:	81 e2 00 01 ff 00    	and    $0xff0100,%edx
  3f:	74                   	.byte 0x74