rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...0: (0 ticks this GP) idle=25b4/1/0x4000000000000000 softirq=91444/91444 fqs=2099
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:        0          0            0
rcu: 	cputime:        0          0            0   ==> 52500(ms)
rcu: 	(detected by 0, t=10503 jiffies, g=137133, q=894 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 28219 Comm: syz-executor.0 Not tainted 6.3.0-rc1-syzkaller-00274-g134231664868 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
RIP: 0010:debug_smp_processor_id+0xb/0x20 lib/smp_processor_id.c:60
Code: f9 e9 64 ff ff ff 48 c7 c7 c0 38 fc 8c 48 89 de e8 fa 35 c3 f9 e9 6d ff ff ff 0f 1f 44 00 00 f3 0f 1e fa 48 c7 c7 00 76 38 8b <48> c7 c6 40 76 38 8b eb 0c 66 2e 0f 1f 84 00 00 00 00 00 66 90 41
RSP: 0018:ffffc900001e0c98 EFLAGS: 00000082
RAX: 0000000000000001 RBX: 1ffff9200003c198 RCX: ffff88808bdc8000
RDX: ffff88808bdc8000 RSI: 0000000000000001 RDI: ffffffff8b387600
RBP: ffffc900001e0d50 R08: ffffffff817aa081 R09: fffffbfff1ca805e
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880b992b700
R13: ffffffff88d20e70 R14: dffffc0000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32e25000 CR3: 0000000085797000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 rcu_dynticks_curr_cpu_in_eqs include/linux/context_tracking.h:121 [inline]
 rcu_is_watching+0x15/0xb0 kernel/rcu/tree.c:694
 rcu_read_lock_held_common kernel/rcu/update.c:108 [inline]
 rcu_read_lock_sched_held+0x6f/0x130 kernel/rcu/update.c:123
 trace_hrtimer_expire_entry include/trace/events/timer.h:235 [inline]
 __run_hrtimer kernel/time/hrtimer.c:1682 [inline]
 __hrtimer_run_queues+0x54a/0xec0 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x396/0x980 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1096 [inline]
 __sysvec_apic_timer_interrupt+0x181/0x590 arch/x86/kernel/apic/apic.c:1113
 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1107
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:lock_acquire+0x29a/0x5b0 kernel/locking/lockdep.c:5673
Code: 2b 00 74 08 4c 89 f7 e8 e4 7a 76 00 f6 44 24 61 02 0f 85 d1 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
RSP: 0018:ffffc90005b0fba0 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff92000b61f80 RCX: 1ffff92000b61f20
RDX: dffffc0000000000 RSI: ffffffff8aea9c20 RDI: ffffffff8b387660
RBP: ffffc90005b0fce8 R08: dffffc0000000000 R09: fffffbfff205b839
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000b61f7c
R13: dffffc0000000000 R14: ffffc90005b0fc00 R15: 0000000000000246
 rcu_lock_acquire+0x24/0x30 include/linux/rcupdate.h:327
 rcu_read_lock include/linux/rcupdate.h:773 [inline]
 percpu_ref_put_many include/linux/percpu-refcount.h:330 [inline]
 percpu_ref_put+0x16/0x150 include/linux/percpu-refcount.h:351
 memcg_kmem_uncharge_page include/linux/memcontrol.h:1803 [inline]
 exit_task_stack_account+0x15d/0x330 kernel/fork.c:516
 do_exit+0x1825/0x2290 kernel/exit.c:911
 do_group_exit+0x206/0x2c0 kernel/exit.c:1019
 __do_sys_exit_group kernel/exit.c:1030 [inline]
 __se_sys_exit_group kernel/exit.c:1028 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1028
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f36bf08c0f9
Code: Unable to access opcode bytes at 0x7f36bf08c0cf.
RSP: 002b:00007ffeebc52098 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007f36bf08c0f9
RDX: 00007f36bf03dfab RSI: ffffffffffffffb8 RDI: 0000000000000000
RBP: 0000000000000000 R08: 00007f36bec00000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffeebc52180
 </TASK>