rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 5283 jiffies s: 1733 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 3808 Comm: syz.4.24 Not tainted 6.1.112-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:lockdep_recursion_finish kernel/locking/lockdep.c:467 [inline]
RIP: 0010:lock_acquire+0x1fc/0x5a0 kernel/locking/lockdep.c:5664
Code: 48 8b 7c 24 20 44 89 f6 8b 54 24 1c 48 8b 4c 24 30 4c 8b 44 24 38 6a 00 6a 00 ff 75 10 ff 74 24 40 e8 e8 04 00 00 48 83 c4 20 <48> c7 c7 c0 14 0c 8b e8 c8 3f 3c 09 b8 ff ff ff ff 65 0f c1 05 bb
RSP: 0018:ffffc900001e0580 EFLAGS: 00000082
RAX: 0000000000000001 RBX: ffffc900001e05e0 RCX: ffffffff816b3d32
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffffffff911dd220
RBP: ffffc900001e06c8 R08: dffffc0000000000 R09: fffffbfff223ba45
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff9200003c0b8
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000046
FS:  00007f84b1c126c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f70aff8 CR3: 000000005cf6c000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
 debug_object_deactivate+0x63/0x380 lib/debugobjects.c:752
 debug_hrtimer_deactivate kernel/time/hrtimer.c:426 [inline]
 debug_deactivate+0x1d/0x280 kernel/time/hrtimer.c:482
 __run_hrtimer kernel/time/hrtimer.c:1657 [inline]
 __hrtimer_run_queues+0x334/0xe50 kernel/time/hrtimer.c:1753
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1815
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x156/0x580 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1106
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:rcu_dynticks_curr_cpu_in_eqs include/linux/context_tracking.h:122 [inline]
RIP: 0010:rcu_is_watching+0x36/0xb0 kernel/rcu/tree.c:721
Code: e8 9f 5a 33 09 89 c3 83 f8 08 73 76 49 bf 00 00 00 00 00 fc ff df 4c 8d 34 dd 70 c8 d8 8c 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 <74> 08 4c 89 f7 e8 50 c8 6e 00 48 c7 c3 a8 56 03 00 49 03 1e 48 89
RSP: 0018:ffffc900001e0b60 EFLAGS: 00000246
RAX: 1ffffffff19b190f RBX: 0000000000000001 RCX: ffffffff81799301
RDX: ffff888027699dc0 RSI: ffffffff8b5d7160 RDI: ffffffff8b5d7120
RBP: ffffc900001e0c70 R08: ffffffff81799327 R09: fffffbfff1d33f2e
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff9200003c174 R14: ffffffff8cd8c878 R15: dffffc0000000000
 trace_timer_expire_entry include/trace/events/timer.h:92 [inline]
 call_timer_fn+0x181/0x6b0 kernel/time/timer.c:1503
 expire_timers kernel/time/timer.c:1549 [inline]
 __run_timers+0x67c/0x890 kernel/time/timer.c:1820
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833
 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571
 __do_softirq kernel/softirq.c:605 [inline]
 invoke_softirq kernel/softirq.c:445 [inline]
 __irq_exit_rcu+0x157/0x240 kernel/softirq.c:654
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:666
 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:early_section include/linux/mmzone.h:1764 [inline]
RIP: 0010:pfn_valid+0x1ef/0x440 include/linux/mmzone.h:1866
Code: e5 00 00 00 80 3d db 91 98 0c 01 0f 85 eb 00 00 00 e8 d5 b7 9d ff 4d 85 ff 0f 85 6b ff ff ff e9 55 ff ff ff 42 80 7c 25 00 00 <74> 08 4c 89 ff e8 f7 39 f5 ff 49 8b 1f 48 89 de 48 83 e6 08 31 ff
RSP: 0018:ffffc900048cf440 EFLAGS: 00000246
RAX: 0000000000000002 RBX: 0000000000000002 RCX: ffff888027699dc0
RDX: ffffc900059d1000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: 1ffff11027fff238 R08: ffffffff81ecf707 R09: fffffbfff223ba45
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000072f3c R14: ffffffff81ecf686 R15: ffff88813fff91c0
 page_table_check_set+0x25/0x6d0 mm/page_table_check.c:108
 page_table_check_pte_set include/linux/page_table_check.h:83 [inline]
 set_pte_at arch/x86/include/asm/pgtable.h:1009 [inline]
 copy_present_pte mm/memory.c:1000 [inline]
 copy_pte_range mm/memory.c:1091 [inline]
 copy_pmd_range mm/memory.c:1177 [inline]
 copy_pud_range mm/memory.c:1214 [inline]
 copy_p4d_range mm/memory.c:1238 [inline]
 copy_page_range+0x2d50/0x4660 mm/memory.c:1336
 dup_mmap kernel/fork.c:696 [inline]
 dup_mm kernel/fork.c:1540 [inline]
 copy_mm+0xf42/0x1990 kernel/fork.c:1589
 copy_process+0x19d5/0x4060 kernel/fork.c:2267
 kernel_clone+0x222/0x920 kernel/fork.c:2682
 __do_sys_clone kernel/fork.c:2823 [inline]
 __se_sys_clone kernel/fork.c:2807 [inline]
 __x64_sys_clone+0x231/0x280 kernel/fork.c:2807
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f84b0d7dff9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f84b1c11fe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f84b0f35f80 RCX: 00007f84b0d7dff9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040020000
RBP: 00007f84b0df0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f84b0f35f80 R15: 00007ffde17390b8
 </TASK>