------------[ cut here ]------------
WARNING: CPU: 0 PID: 10151 at net/mac80211/tx.c:5033 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5033 [inline]
WARNING: CPU: 0 PID: 10151 at net/mac80211/tx.c:5033 __ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5444
Modules linked in:
CPU: 0 PID: 10151 Comm: syz.1.1076 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5033 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5444
Code: 24 4c 89 e7 e8 0e 75 c0 f7 45 31 f6 4c 8b bc 24 a0 00 00 00 e9 7a fe ff ff e8 09 b3 82 f7 0f 0b e9 f6 f7 ff ff e8 fd b2 82 f7 <0f> 0b e9 48 fb ff ff e8 f1 b2 82 f7 48 c7 c7 20 89 64 8e 4c 89 e6
RSP: 0018:ffffc90000007a18 EFLAGS: 00010246
RAX: ffffffff8a047053 RBX: ffffffff8a045e56 RCX: ffff88802a95da00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88802a95da00 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff88805e8ea3c0
R13: dffffc0000000000 R14: ffff88805e8ea8b0 R15: ffff88805f308424
FS:  00007f246e85b6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000002f447000 CR4: 00000000003506f0
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0xbf/0x580 net/mac80211/tx.c:5571
 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:1750 [inline]
 __hrtimer_run_queues+0x520/0xc40 kernel/time/hrtimer.c:1814
 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1831
 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+0xd3/0x190 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:debug_lockdep_rcu_enabled+0x29/0x30 kernel/rcu/update.c:320
Code: cc f3 0f 1e fa 31 c0 83 3d ef a9 04 04 00 74 1d 83 3d 76 dd 04 04 00 74 14 65 48 8b 0d c0 44 7d 75 31 c0 83 b9 dc 0a 00 00 00 <0f> 94 c0 c3 cc cc cc 66 0f 1f 00 48 8b 3c 24 e8 43 fb ff ff 66 90
RSP: 0018:ffffc900054076c8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff88802a95da00
RDX: ffff88802a95da00 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffea000160dd77 R09: 1ffffd40002c1bae
R10: dffffc0000000000 R11: fffff940002c1baf R12: 1ffff92000a80f15
R13: ffffc900054078a8 R14: 0000000000000000 R15: ffff88807ce29160
 rcu_read_lock_held_common kernel/rcu/update.c:104 [inline]
 rcu_read_lock_held+0xa/0x40 kernel/rcu/update.c:348
 xa_entry include/linux/xarray.h:1216 [inline]
 xas_next_entry+0x202/0x3d0 include/linux/xarray.h:1708
 next_uptodate_folio+0x33/0xad0 mm/filemap.c:3481
 filemap_map_pages+0xfd4/0x1970 mm/filemap.c:3674
 do_fault_around mm/memory.c:4595 [inline]
 do_read_fault mm/memory.c:4628 [inline]
 do_fault mm/memory.c:4775 [inline]
 do_pte_missing mm/memory.c:3689 [inline]
 handle_pte_fault mm/memory.c:5047 [inline]
 __handle_mm_fault mm/memory.c:5188 [inline]
 handle_mm_fault+0x3b05/0x4c00 mm/memory.c:5353
 faultin_page mm/gup.c:868 [inline]
 __get_user_pages+0x5d0/0x1380 mm/gup.c:1167
 populate_vma_page_range+0x2c1/0x380 mm/gup.c:1593
 __mm_populate+0x260/0x390 mm/gup.c:1696
 mm_populate include/linux/mm.h:3383 [inline]
 vm_mmap_pgoff+0x2da/0x3f0 mm/util.c:561
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f246d99ce59
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:00007f246e85b028 EFLAGS: 00000246
 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f246dc15fa0 RCX: 00007f246d99ce59
RDX: b635773f06ebbeee RSI: 0000000000b36000 RDI: 0000200000000000
RBP: 00007f246da32d6f R08: ffffffffffffffff R09: 0000000002000000
R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f246dc16038 R14: 00007f246dc15fa0 R15: 00007ffe828542c8
 </TASK>
----------------
Code disassembly (best guess):
   0:	cc                   	int3
   1:	f3 0f 1e fa          	endbr64
   5:	31 c0                	xor    %eax,%eax
   7:	83 3d ef a9 04 04 00 	cmpl   $0x0,0x404a9ef(%rip)        # 0x404a9fd
   e:	74 1d                	je     0x2d
  10:	83 3d 76 dd 04 04 00 	cmpl   $0x0,0x404dd76(%rip)        # 0x404dd8d
  17:	74 14                	je     0x2d
  19:	65 48 8b 0d c0 44 7d 	mov    %gs:0x757d44c0(%rip),%rcx        # 0x757d44e1
  20:	75
  21:	31 c0                	xor    %eax,%eax
  23:	83 b9 dc 0a 00 00 00 	cmpl   $0x0,0xadc(%rcx)
* 2a:	0f 94 c0             	sete   %al <-- trapping instruction
  2d:	c3                   	ret
  2e:	cc                   	int3
  2f:	cc                   	int3
  30:	cc                   	int3
  31:	66 0f 1f 00          	nopw   (%rax)
  35:	48 8b 3c 24          	mov    (%rsp),%rdi
  39:	e8 43 fb ff ff       	call   0xfffffb81
  3e:	66 90                	xchg   %ax,%ax