rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...0: (1 GPs behind) idle=013/1/0x4000000000000000 softirq=10330/10333 fqs=5247 
	(detected by 1, t=10502 jiffies, g=12425, q=1731)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5298 Comm: dhcpcd-run-hook Not tainted 5.15.185-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:arch_irqs_disabled_flags arch/x86/include/asm/irqflags.h:127 [inline]
RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:134 [inline]
RIP: 0010:lock_acquire+0x1d1/0x3f0 kernel/locking/lockdep.c:5626
Code: b8 ff ff ff ff 65 0f c1 05 cc 91 a6 7e 83 f8 01 0f 85 fa 00 00 00 48 c7 84 24 80 00 00 00 00 00 00 00 9c 8f 84 24 80 00 00 00 <f6> 84 24 81 00 00 00 02 0f 85 f6 00 00 00 41 f7 c6 00 02 00 00 74
RSP: 0018:ffffc90000007b60 EFLAGS: 00000046
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 6028acbcf6eaa200
RDX: 0000000000000000 RSI: ffffffff8a0b2460 RDI: ffffffff8a59a740
RBP: ffffc90000007c68 R08: dffffc0000000000 R09: fffffbfff1ff361a
R10: fffffbfff1ff361a R11: 1ffffffff1ff3619 R12: ffff8880b902a218
R13: 1ffff92000000f78 R14: 0000000000000046 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2e6e8f5440 CR3: 0000000059854000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline]
 _raw_spin_lock_irq+0x9f/0xe0 kernel/locking/spinlock.c:170
 __run_hrtimer kernel/time/hrtimer.c:1694 [inline]
 __hrtimer_run_queues+0x5ff/0xc40 kernel/time/hrtimer.c:1754
 hrtimer_interrupt+0x3bb/0x8d0 kernel/time/hrtimer.c:1816
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline]
 __sysvec_apic_timer_interrupt+0x137/0x4a0 arch/x86/kernel/apic/apic.c:1114
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:rb_next+0x4/0xd0 lib/rbtree.c:493
Code: 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 e3 4c 89 f7 e8 b0 6b bf fd eb d9 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 57 41 56 <53> 48 89 fb 49 bf 00 00 00 00 00 fc ff df 48 89 f8 48 c1 e8 03 42
RSP: 0018:ffffc9000309f8d0 EFLAGS: 00000293
RAX: ffffffff81afb6de RBX: dffffc0000000000 RCX: ffff88802b848000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880240b8440
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffff888073792340
R10: ffffed100e6f246a R11: 1ffff1100e6f2468 R12: 0000000000000000
R13: 0000000000000000 R14: ffff8880240b8440 R15: ffff8880240b8420
 validate_mm_rb+0x1e6/0x230 mm/mmap.c:382
 vma_rb_insert mm/mmap.c:457 [inline]
 __vma_link_rb+0x527/0x550 mm/mmap.c:656
 __vma_link mm/mmap.c:682 [inline]
 __insert_vm_struct mm/mmap.c:718 [inline]
 __vma_adjust+0xe0b/0x1a90 mm/mmap.c:924
 vma_adjust include/linux/mm.h:2553 [inline]
 __split_vma+0x34b/0x410 mm/mmap.c:-1
 __do_munmap+0x3eb/0xdc0 mm/mmap.c:2853
 do_munmap mm/mmap.c:2898 [inline]
 munmap_vma_range mm/mmap.c:602 [inline]
 __mmap_region mm/mmap.c:1745 [inline]
 mmap_region+0x762/0x15e0 mm/mmap.c:2921
 do_mmap+0x77a/0xdf0 mm/mmap.c:1574
 vm_mmap_pgoff+0x1b2/0x2b0 mm/util.c:551
 ksys_mmap_pgoff+0x542/0x780 mm/mmap.c:1623
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f2e6ebcf242
Code: 08 00 04 00 00 eb e2 90 41 f7 c1 ff 0f 00 00 75 27 55 89 cd 53 48 89 fb 48 85 ff 74 33 41 89 ea 48 89 df b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5e 5b 5d c3 0f 1f 00 c7 05 46 40 01 00 16 00
RSP: 002b:00007fff059d5df8 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f2e6e8ed000 RCX: 00007f2e6ebcf242
RDX: 0000000000000003 RSI: 0000000000002000 RDI: 00007f2e6e8ed000
RBP: 0000000000000812 R08: 0000000000000003 R09: 000000000000d000
R10: 0000000000000812 R11: 0000000000000206 R12: 00007fff059d5eb8
R13: 00007f2e6ebac580 R14: 00007fff059d6270 R15: 00000fffe0b3abc2
 </TASK>