rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...0: (1 GPs behind) idle=a9b4/1/0x4000000000000000 softirq=13638/13639 fqs=5250
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:        0          0            0
rcu: 	cputime:        0          0            0   ==> 52500(ms)
rcu: 	(detected by 0, t=10502 jiffies, g=7997, q=416 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 6005 Comm: syz.1.17 Not tainted 6.13.0-syzkaller-09760-g69e858e0b8b2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:iterate_chain_key kernel/locking/lockdep.c:452 [inline]
RIP: 0010:__lock_acquire+0xd49/0x3c40 kernel/locking/lockdep.c:5216
Code: 89 d3 01 c2 c1 c3 08 31 cb 89 d9 29 d8 01 d3 c1 c1 10 89 de 31 c8 89 c1 29 c2 01 d8 c1 c9 0d 31 d1 89 ca 29 ce 01 c8 c1 c2 04 <89> c0 31 f2 48 c1 e2 20 48 09 c2 48 b8 00 00 00 00 00 fc ff df 48
RSP: 0018:ffffc90000a18b38 EFLAGS: 00000007
RAX: 000000007f9ada6a RBX: 00000000fde4478f RCX: 00000000184e2100
RDX: 0000000084e21001 RSI: 00000000e596268f RDI: ffffffff96f20e10
RBP: ffffffff96ebaaa8 R08: 0000000000000000 R09: fffffbfff2dd71b9
R10: ffffffff96eb8dcf R11: 0000000000000004 R12: ffff888025f92fc9
R13: ffff888025f92440 R14: 0000000000000003 R15: ffff888025f92fd0
FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd96f59fc0 CR3: 00000000466aa000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5851
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:351 [inline]
 advance_sched+0xd8/0xc60 net/sched/sch_taprio.c:924
 __run_hrtimer kernel/time/hrtimer.c:1738 [inline]
 __hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1802
 hrtimer_interrupt+0x392/0x8e0 kernel/time/hrtimer.c:1864
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
 __sysvec_apic_timer_interrupt+0x10f/0x400 arch/x86/kernel/apic/apic.c:1055
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0x9f/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_acquire.part.0+0x155/0x380 kernel/locking/lockdep.c:5816
Code: b8 ff ff ff ff 65 0f c1 05 a0 e1 6b 7e 83 f8 01 0f 85 d0 01 00 00 9c 58 f6 c4 02 0f 85 e5 01 00 00 48 85 ed 0f 85 b6 01 00 00 <48> b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00 00 00 00 48 c7
RSP: 0018:ffffc900034476e8 EFLAGS: 00000206
RAX: 0000000000000046 RBX: 1ffff92000688ede RCX: 00000000ad59e436
RDX: 0000000000000001 RSI: ffffffff8b6cefa0 RDI: ffffffff8bd33d60
RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff2dd7198
R10: ffffffff96eb8cc7 R11: 0000000000000003 R12: 0000000000000000
R13: ffffffff8e1bcbc0 R14: 0000000000000000 R15: 0000000000000000
 rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
 rcu_read_lock include/linux/rcupdate.h:849 [inline]
 __lruvec_stat_mod_folio+0xb8/0x370 mm/memcontrol.c:799
 __folio_mod_stat mm/rmap.c:1301 [inline]
 __folio_remove_rmap mm/rmap.c:1593 [inline]
 folio_remove_rmap_ptes+0xf8/0x3c0 mm/rmap.c:1620
 zap_present_folio_ptes mm/memory.c:1535 [inline]
 zap_present_ptes mm/memory.c:1596 [inline]
 do_zap_pte_range mm/memory.c:1698 [inline]
 zap_pte_range mm/memory.c:1740 [inline]
 zap_pmd_range mm/memory.c:1823 [inline]
 zap_pud_range mm/memory.c:1852 [inline]
 zap_p4d_range mm/memory.c:1873 [inline]
 unmap_page_range+0x1b1d/0x43a0 mm/memory.c:1894
 unmap_single_vma+0x194/0x2b0 mm/memory.c:1940
 unmap_vmas+0x22f/0x490 mm/memory.c:1984
 exit_mmap+0x1c1/0xba0 mm/mmap.c:1284
 __mmput+0x12a/0x410 kernel/fork.c:1345
 mmput+0x62/0x70 kernel/fork.c:1367
 exit_mm kernel/exit.c:570 [inline]
 do_exit+0x9ba/0x2d70 kernel/exit.c:925
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087
 __do_sys_exit_group kernel/exit.c:1098 [inline]
 __se_sys_exit_group kernel/exit.c:1096 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1096
 x64_sys_call+0x151f/0x1720 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f28cb38cda9
Code: Unable to access opcode bytes at 0x7f28cb38cd7f.
RSP: 002b:00007ffd96f5b1d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f28cb38cda9
RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000003 R08: 00007ffd96f5b2cf R09: 00007f28cb576260
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f28cb576260 R14: 0000000000000003 R15: 00007ffd96f5b290
 </TASK>