wlan0: beacon TX faster than countdown (channel/color switch) completion
ip6_tunnel: ip6gre0 xmit: Local address not yet configured!
ip6_tunnel: ip6gre0 xmit: Local address not yet configured!
ip6_tunnel: ip6gre0 xmit: Local address not yet configured!
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (2 ticks this GP) idle=2d1c/1/0x4000000000000000 softirq=37362/37362 fqs=0
rcu: 	(detected by 0, t=10506 jiffies, g=29025, q=731 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 11189 Comm: syz.1.1475 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__lock_acquire+0xcb8/0xd20 kernel/locking/lockdep.c:5270
Code: 48 89 df e8 1a 04 8a ff e8 85 02 8a ff e8 60 26 95 ff e8 eb 85 03 00 45 31 ff 44 89 f8 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f <5d> e9 92 32 ac 09 cc 89 05 b3 d5 d8 11 e9 2c fe ff ff 90 0f 0b 90
RSP: 0018:ffffc90000a08b28 EFLAGS: 00000086
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 12c937de40e07000
RDX: 0000000000000000 RSI: ffff88807ae10bd0 RDI: ffff88807ae10000
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8492fd7a
R10: ffffc90000a08cb0 R11: fffff52000141198 R12: 0000000000000000
R13: ffffffff999a0428 R14: 0000000000000001 R15: 0000000000000046
FS:  0000000000000000(0000) GS:ffff888126238000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001140 CR3: 000000000dd38000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xa7/0xf0 kernel/locking/spinlock.c:162
 debug_object_deactivate+0x9a/0x250 lib/debugobjects.c:873
 debug_hrtimer_deactivate kernel/time/hrtimer.c:443 [inline]
 debug_deactivate+0x1d/0x200 kernel/time/hrtimer.c:483
 __run_hrtimer kernel/time/hrtimer.c:1745 [inline]
 __hrtimer_run_queues+0x2b0/0xc60 kernel/time/hrtimer.c:1841
 hrtimer_interrupt+0x45b/0xaa0 kernel/time/hrtimer.c:1903
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1041 [inline]
 __sysvec_apic_timer_interrupt+0x10b/0x410 arch/x86/kernel/apic/apic.c:1058
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1052 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1052
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:pte_pfn arch/x86/include/asm/pgtable.h:267 [inline]
RIP: 0010:__page_table_check_pte_clear+0x43/0x70 mm/page_table_check.c:154
Code: 8e 40 0f 95 c5 41 89 de 41 83 e6 05 bf 05 00 00 00 4c 89 f6 e8 ae 28 8f ff 49 83 fe 05 0f 94 c0 40 84 c5 74 21 e8 bd 23 8f ff <48> c1 eb 0c 48 bf ff ff ff ff ff 00 00 00 48 21 df be 01 00 00 00
RSP: 0018:ffffc90010ee75c0 EFLAGS: 00000293
RAX: ffffffff8230dff3 RBX: 800000006b965027 RCX: ffff88807ae10000
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000005
RBP: ffffc90010ee7801 R08: ffffea0001ae5947 R09: 1ffffd400035cb28
R10: dffffc0000000000 R11: fffff9400035cb29 R12: ffffea0001ae5958
R13: 1ffffd400035cb2b R14: 0000000000000005 R15: 0000000000000000
 ptep_get_and_clear_full arch/x86/include/asm/jump_label.h:-1 [inline]
 get_and_clear_full_ptes include/linux/pgtable.h:725 [inline]
 zap_present_folio_ptes mm/memory.c:1628 [inline]
 zap_present_ptes mm/memory.c:1710 [inline]
 do_zap_pte_range mm/memory.c:1811 [inline]
 zap_pte_range mm/memory.c:1855 [inline]
 zap_pmd_range mm/memory.c:1947 [inline]
 zap_pud_range mm/memory.c:1976 [inline]
 zap_p4d_range mm/memory.c:1997 [inline]
 unmap_page_range+0x344b/0x4370 mm/memory.c:2018
 unmap_single_vma mm/memory.c:2061 [inline]
 unmap_vmas+0x399/0x580 mm/memory.c:2105
 exit_mmap+0x240/0xb40 mm/mmap.c:1280
 __mmput+0x118/0x430 kernel/fork.c:1133
 exit_mm+0x1da/0x2c0 kernel/exit.c:582
 do_exit+0x648/0x2300 kernel/exit.c:954
 do_group_exit+0x21c/0x2d0 kernel/exit.c:1107
 __do_sys_exit_group kernel/exit.c:1118 [inline]
 __se_sys_exit_group kernel/exit.c:1116 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1116
 x64_sys_call+0x21f7/0x2200 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f23cf98f749
Code: Unable to access opcode bytes at 0x7f23cf98f71f.
RSP: 002b:00007ffe41c354b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f23cf98f749
RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffe41c3551c R08: 0000001a41c355af R09: 00000000000927c0
R10: 00000000000001bc R11: 0000000000000246 R12: 0000000000000135
R13: 00000000000927c0 R14: 000000000002b46a R15: 00007ffe41c35570
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10505 jiffies! g29025 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=12639
rcu: rcu_preempt kthread starved for 10506 jiffies! g29025 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:I stack:27912 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5325 [inline]
 __schedule+0x1798/0x4cc0 kernel/sched/core.c:6929
 __schedule_loop kernel/sched/core.c:7011 [inline]
 schedule+0x165/0x360 kernel/sched/core.c:7026
 schedule_timeout+0x12b/0x270 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x301/0x1540 kernel/rcu/tree.c:2083
 rcu_gp_kthread+0x99/0x390 kernel/rcu/tree.c:2285
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>