rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2661 jiffies s: 14513 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 7220 Comm: syz-executor.4 Not tainted 6.1.92-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:__lock_acquire+0x81b/0x1f80 kernel/locking/lockdep.c:4999
Code: 8b 03 41 38 c7 41 0f b6 cf 41 89 c7 44 0f 42 f9 84 c0 44 0f 44 f9 49 ff c6 48 8b 44 24 28 0f b6 04 10 84 c0 0f 85 be 00 00 00 <48> 8b 44 24 18 48 63 00 48 83 c5 28 49 83 c5 28 41 ff c4 49 39 c6
RSP: 0018:ffffc900000079e0 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffffffff90196858 RCX: 0000000000000002
RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffffffff9049c228
RBP: ffff88807e7fa910 R08: dffffc0000000000 R09: fffffbfff2093846
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000002
R13: ffff88807e7fa910 R14: 0000000000000003 R15: 0000000000000002
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3cd9ce66e4 CR3: 0000000021aff000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
 __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_activate+0x68/0x4e0 lib/debugobjects.c:697
 debug_hrtimer_activate kernel/time/hrtimer.c:420 [inline]
 debug_activate kernel/time/hrtimer.c:475 [inline]
 enqueue_hrtimer+0x30/0x410 kernel/time/hrtimer.c:1084
 __run_hrtimer kernel/time/hrtimer.c:1703 [inline]
 __hrtimer_run_queues+0x728/0xe50 kernel/time/hrtimer.c:1750
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812
 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+0x8c/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:page_mapcount include/linux/mm.h:869 [inline]
RIP: 0010:zap_pte_range mm/memory.c:1454 [inline]
RIP: 0010:zap_pmd_range mm/memory.c:1574 [inline]
RIP: 0010:zap_pud_range mm/memory.c:1603 [inline]
RIP: 0010:zap_p4d_range mm/memory.c:1624 [inline]
RIP: 0010:unmap_page_range+0x128e/0x2740 mm/memory.c:1645
Code: ff df 41 80 3c 06 00 74 08 4c 89 ff e8 4b cd 15 00 49 8b 1f 48 89 de 48 83 e6 01 31 ff e8 9a 51 be ff 48 83 e3 01 4c 8b 34 24 <0f> 85 0f 06 00 00 e8 a7 4d be ff 4c 89 e3 48 83 c3 30 48 89 df be
RSP: 0018:ffffc90003a87320 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88807e7f9dc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003a87510 R08: ffffffff81cc3f96 R09: fffff94000106179
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea0000830bc0
R13: ffff888060c14300 R14: 00007f3cd8460000 R15: ffffea0000830bc8
 unmap_vmas+0x48b/0x640 mm/memory.c:1730
 exit_mmap+0x252/0x9f0 mm/mmap.c:3227
 __mmput+0x115/0x3c0 kernel/fork.c:1199
 exit_mm+0x226/0x300 kernel/exit.c:563
 do_exit+0x9f6/0x26a0 kernel/exit.c:856
 do_group_exit+0x202/0x2b0 kernel/exit.c:1019
 get_signal+0x16f7/0x17d0 kernel/signal.c:2862
 arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f3cd90a8375
Code: Unable to access opcode bytes at 0x7f3cd90a834b.
RSP: 002b:00007ffff6f995b0 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: 0000000000000000 RBX: 0000000000000137 RCX: 00007f3cd90a8375
RDX: 00007ffff6f995f0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffff6f9966c R08: 0000000000000000 R09: 0000000000000010
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032
R13: 000000000003bc20 R14: 000000000003bba0 R15: 0000000000000007
 </TASK>