------------[ cut here ]------------
WARNING: CPU: 0 PID: 6723 at net/mac80211/tx.c:4944 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4944 [inline]
WARNING: CPU: 0 PID: 6723 at net/mac80211/tx.c:4944 __ieee80211_beacon_get+0x1952/0x1f50 net/mac80211/tx.c:5265
Modules linked in:
CPU: 0 PID: 6723 Comm: dhcpcd-run-hook Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4944 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1952/0x1f50 net/mac80211/tx.c:5265
Code: ff ff ff e8 50 2c eb f7 0f 0b 48 8b 7c 24 20 e8 34 6c 7f fe e9 dd e9 ff ff e8 3a 2c eb f7 0f 0b e9 f1 ee ff ff e8 2e 2c eb f7 <0f> 0b e9 61 f2 ff ff e8 22 2c eb f7 48 c7 c7 f0 11 da 8d 4c 89 f6
RSP: 0018:ffffc900000078a0 EFLAGS: 00010246
RAX: ffffffff8995b3a2 RBX: 0000000000000000 RCX: ffff88803008d940
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000007aa8 R08: ffff88803008d940 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: 1ffff92000000f2c
R13: dffffc0000000000 R14: ffff8880576d2258 R15: ffff88807d51c800
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f46aa9c8f98 CR3: 000000005c1f6000 CR4: 00000000003506f0
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:5352
 ieee80211_beacon_get include/net/mac80211.h:5264 [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+0x554/0xd60 kernel/time/hrtimer.c:1811
 hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1828
 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:add_mm_rss_vec+0x2/0x270 mm/memory.c:502
Code: 3c 08 00 74 08 48 89 df e8 ab 80 12 00 48 8b 33 4c 89 f7 5b 41 5e e9 8d b7 11 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 41 57 <41> 56 41 54 53 49 89 f6 48 89 fb 49 bc 00 00 00 00 00 fc ff df e8
RSP: 0018:ffffc900045877d0 EFLAGS: 00000293
RAX: ffffffff81bd409d RBX: 0000000000000008 RCX: ffff88803008d940
RDX: 0000000000000000 RSI: ffffc900045878e0 RDI: ffff88807526f800
RBP: ffffc90004587930 R08: dffffc0000000000 R09: ffffed1006011b29
R10: ffffed1006011b29 R11: 1ffff11006011b28 R12: 1ffff1100a0542e0
R13: 00007f9900fd3000 R14: 000000007eff0025 R15: dffffc0000000000
 zap_pte_range mm/memory.c:1509 [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+0x1f12/0x2500 mm/memory.c:1645
 unmap_vmas+0x22c/0x330 mm/memory.c:1730
 exit_mmap+0x1cc/0x8e0 mm/mmap.c:3250
 __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: 0033:0x7f9900f2e6c5
Code: Unable to access opcode bytes at 0x7f9900f2e69b.
RSP: 002b:00007fff6ebd54c8 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fff6ebd5704 RCX: 00007f9900f2e6c5
RDX: 00000000000000e7 RSI: ffffffffffffff88 RDI: 0000000000000000
RBP: 0000000000000003 R08: 00007fff6ebd55c0 R09: 0000000000000002
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 00007fff6ebd5800 R14: 00007f9901136000 R15: 00005610d8d30d98
 </TASK>
----------------
Code disassembly (best guess):
   0:	3c 08                	cmp    $0x8,%al
   2:	00 74 08 48          	add    %dh,0x48(%rax,%rcx,1)
   6:	89 df                	mov    %ebx,%edi
   8:	e8 ab 80 12 00       	call   0x1280b8
   d:	48 8b 33             	mov    (%rbx),%rsi
  10:	4c 89 f7             	mov    %r14,%rdi
  13:	5b                   	pop    %rbx
  14:	41 5e                	pop    %r14
  16:	e9 8d b7 11 00       	jmp    0x11b7a8
  1b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  22:	00 00 00
  25:	0f 1f 00             	nopl   (%rax)
  28:	41 57                	push   %r15
* 2a:	41 56                	push   %r14 <-- trapping instruction
  2c:	41 54                	push   %r12
  2e:	53                   	push   %rbx
  2f:	49 89 f6             	mov    %rsi,%r14
  32:	48 89 fb             	mov    %rdi,%rbx
  35:	49 bc 00 00 00 00 00 	movabs $0xdffffc0000000000,%r12
  3c:	fc ff df
  3f:	e8                   	.byte 0xe8