------------[ cut here ]------------
WARNING: CPU: 1 PID: 4785 at net/mac80211/tx.c:4944 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4944 [inline]
WARNING: CPU: 1 PID: 4785 at net/mac80211/tx.c:4944 __ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5345
Modules linked in:
CPU: 1 PID: 4785 Comm: syz.4.118 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4944 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5345
Code: 24 4c 89 e7 e8 fe 3c 0b f8 45 31 f6 4c 8b bc 24 a0 00 00 00 e9 7a fe ff ff e8 19 a6 d2 f7 0f 0b e9 f6 f7 ff ff e8 0d a6 d2 f7 <0f> 0b e9 48 fb ff ff e8 01 a6 d2 f7 48 c7 c7 f0 ca fa 8d 4c 89 e6
RSP: 0000:ffffc900001e0a10 EFLAGS: 00010246
RAX: ffffffff89afcda3 RBX: ffffffff89afbba6 RCX: ffff8880791c8000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff8880791c8000 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff8880276ce228
R13: dffffc0000000000 R14: ffff8880276ce760 R15: ffff888058165024
FS:  00007f856c4cc6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8561a79000 CR3: 000000002ece2000 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:5472
 ieee80211_beacon_get include/net/mac80211.h:5335 [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:1747 [inline]
 __hrtimer_run_queues+0x560/0xd70 kernel/time/hrtimer.c:1811
 hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1828
 handle_softirqs+0x2a1/0x930 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:__sanitizer_cov_trace_pc+0x41/0x60 kernel/kcov.c:221
Code: ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 1c 16 00 00 00 74 2c 8b 91 f8 15 00 00 83 fa 02 75 21 48 8b 91 00 16 00 00 48 8b 32 <48> 8d 7e 01 8b 89 fc 15 00 00 48 39 cf 73 08 48 89 3a 48 89 44 f2
RSP: 0000:ffffc90006707ba0 EFLAGS: 00000246
RAX: ffffffff8a19760a RBX: ffff88802ec8bc18 RCX: ffff8880791c8000
RDX: ffffc90006152000 RSI: 00000000000321f6 RDI: 0000000000000002
RBP: ffff88802ec8bc20 R08: ffff8880791c8000 R09: 0000000000000003
R10: 0000000000000003 R11: 0000000000000002 R12: 0000000000000002
R13: 1ffff11005d91784 R14: 00007f8561a79000 R15: 000000000000000e
 mtree_range_walk+0x2da/0x7b0 lib/maple_tree.c:2978
 mas_state_walk lib/maple_tree.c:3903 [inline]
 mt_find+0x242/0x830 lib/maple_tree.c:6539
 find_vma+0x12c/0x1b0 mm/mmap.c:1898
 lock_mm_and_find_vma+0x71/0x2f0 mm/memory.c:5385
 do_user_addr_fault+0x2db/0xb10 arch/x86/mm/fault.c:1310
 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: 0033:0x7f856b45288e
Code: c1 49 39 4f 08 72 54 8d 4d ff 85 ed 74 3b 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 39 f0 72 1b 4d 8b 07 49 89 c1 49 29 f1 <47> 0f b6 0c 08 45 84 c9 74 08 45 88 0c 00 49 8b 47 10 48 83 c0 01
RSP: 002b:00007f856c4cb470 EFLAGS: 00010206
RAX: 0000000000682001 RBX: 00007f856c4cb530 RCX: 00000000000000c6
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 00007f856c4cb5d0
RBP: 0000000000000102 R08: 00007f85613f7000 R09: 0000000000682000
R10: 0000000000000000 R11: 00007f856c4cb540 R12: 0000000000000001
R13: 00007f856b650a20 R14: 0000000000000000 R15: 00007f856c4cb5d0
 </TASK>
----------------
Code disassembly (best guess):
   0:	ff 00                	incl   (%rax)
   2:	74 11                	je     0x15
   4:	81 fa 00 01 00 00    	cmp    $0x100,%edx
   a:	75 35                	jne    0x41
   c:	83 b9 1c 16 00 00 00 	cmpl   $0x0,0x161c(%rcx)
  13:	74 2c                	je     0x41
  15:	8b 91 f8 15 00 00    	mov    0x15f8(%rcx),%edx
  1b:	83 fa 02             	cmp    $0x2,%edx
  1e:	75 21                	jne    0x41
  20:	48 8b 91 00 16 00 00 	mov    0x1600(%rcx),%rdx
  27:	48 8b 32             	mov    (%rdx),%rsi
* 2a:	48 8d 7e 01          	lea    0x1(%rsi),%rdi <-- trapping instruction
  2e:	8b 89 fc 15 00 00    	mov    0x15fc(%rcx),%ecx
  34:	48 39 cf             	cmp    %rcx,%rdi
  37:	73 08                	jae    0x41
  39:	48 89 3a             	mov    %rdi,(%rdx)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	44                   	rex.R
  3f:	f2                   	repnz