rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...0: (1 GPs behind) idle=85a/1/0x4000000000000000 softirq=10878/10879 fqs=5250 
	(detected by 1, t=10502 jiffies, g=10525, q=4077)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 6837 Comm: syz-executor468 Not tainted 5.8.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:rcu_lockdep_current_cpu_online+0x21/0x110 kernel/rcu/tree.c:1137
Code: 2e 0f 1f 84 00 00 00 00 00 65 8b 15 89 44 a1 7e 81 e2 00 00 f0 00 b8 01 00 00 00 75 0a 8b 15 ea 18 4e 09 85 d2 75 01 c3 55 53 <48> 83 ec 08 65 ff 05 64 44 a1 7e e8 9f 1d 85 06 48 c7 c3 00 6c 03
RSP: 0018:ffffc90000007dc0 EFLAGS: 00000002
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 1ffffffff1303928
RDX: 0000000000000001 RSI: 0000000000010003 RDI: ffff8880ae636cd8
RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff8aaed24f
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
R13: ffff8880ae627840 R14: ffff88809f111340 R15: dffffc0000000000
FS:  000000000078d880(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000610 CR3: 00000000a15d3000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 rcu_read_lock_held_common kernel/rcu/update.c:122 [inline]
 rcu_read_lock_held_common kernel/rcu/update.c:112 [inline]
 rcu_read_lock_sched_held+0x25/0xb0 kernel/rcu/update.c:133
 trace_hrtimer_expire_entry include/trace/events/timer.h:232 [inline]
 __run_hrtimer kernel/time/hrtimer.c:1517 [inline]
 __hrtimer_run_queues+0xd9f/0xfc0 kernel/time/hrtimer.c:1584
 hrtimer_interrupt+0x32a/0x930 kernel/time/hrtimer.c:1646
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1080 [inline]
 __sysvec_apic_timer_interrupt+0x142/0x5e0 arch/x86/kernel/apic/apic.c:1097
 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:711
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline]
 sysvec_apic_timer_interrupt+0xe0/0x120 arch/x86/kernel/apic/apic.c:1091
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:585
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:770 [inline]
RIP: 0010:on_each_cpu+0x149/0x240 kernel/smp.c:702
Code: 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 e6 00 00 00 48 83 3d 0f 0e 4c 08 00 0f 84 af 00 00 00 e8 0c ea 0a 00 48 89 df 57 9d <0f> 1f 44 00 00 e8 fd e9 0a 00 bf 01 00 00 00 e8 13 a0 e6 ff 31 ff
RSP: 0018:ffffc90001077d70 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000293 RCX: 0000000000000000
RDX: ffff8880a253e440 RSI: ffffffff8168d284 RDI: 0000000000000293
RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffffc90001077ed0 R15: ffffffffa0e5a582
 clock_was_set+0x18/0x20 kernel/time/hrtimer.c:872
 do_settimeofday64 kernel/time/timekeeping.c:1257 [inline]
 do_settimeofday64+0x350/0x4e0 kernel/time/timekeeping.c:1223
 do_sys_settimeofday64 kernel/time/time.c:195 [inline]
 do_sys_settimeofday64+0x1de/0x260 kernel/time/time.c:169
 __do_sys_clock_settime kernel/time/posix-timers.c:1079 [inline]
 __se_sys_clock_settime kernel/time/posix-timers.c:1067 [inline]
 __x64_sys_clock_settime+0x197/0x260 kernel/time/posix-timers.c:1067
 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:384
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x443849
Code: Bad RIP value.
RSP: 002b:00007ffd8ef9e198 EFLAGS: 00000246 ORIG_RAX: 00000000000000e3
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443849
RDX: 0000000000443849 RSI: 0000000020000400 RDI: 0000000000000000
RBP: 00007ffd8ef9e1a0 R08: 0000000001bbbbbb R09: 0000000001bbbbbb
R10: 0000000001bbbbbb R11: 0000000000000246 R12: 00007ffd8ef9e1b0
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000