rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...0: (0 ticks this GP) idle=19a/1/0x4000000000000000 softirq=9303/9303 fqs=5250 
	(detected by 1, t=10502 jiffies, g=10465, q=4135)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 6960 Comm: syz-executor260 Not tainted 5.8.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:hrtimer_get_softexpires_tv64 include/linux/hrtimer.h:291 [inline]
RIP: 0010:__hrtimer_run_queues+0x357/0xfc0 kernel/time/hrtimer.c:1581
Code: 4d 8b 75 50 4d 85 f6 0f 84 e9 08 00 00 e8 71 b0 0f 00 48 8b 9c 24 a8 00 00 00 e8 64 b0 0f 00 49 8d 7e 20 48 89 f8 48 c1 e8 03 <42> 80 3c 38 00 0f 85 be 0a 00 00 49 8b 6e 20 48 89 de 48 89 ef e8
RSP: 0018:ffffc90000007de8 EFLAGS: 00000806
RAX: 1ffff11014480f6c RBX: 1bc16d674ec8a703 RCX: ffffffff83af66b4
RDX: ffff8880a336a340 RSI: ffffffff816406fc RDI: ffff8880a2407b60
RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff8aae594f
R10: ffff8880a2407b40 R11: 0000000000000000 R12: ffff8880ae627740
R13: ffff8880ae627840 R14: ffff8880a2407b40 R15: dffffc0000000000
FS:  000000000192f880(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000610 CR3: 000000008c59c000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 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:596
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:765 [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 57 12 4c 08 00 0f 84 af 00 00 00 e8 6c e9 0a 00 48 89 df 57 9d <0f> 1f 44 00 00 e8 5d e9 0a 00 bf 01 00 00 00 e8 83 a4 e6 ff 31 ff
RSP: 0018:ffffc90001697d70 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000293 RCX: 0000000000000000
RDX: ffff8880a336a340 RSI: ffffffff8168cdf4 RDI: 0000000000000293
RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffffc90001697ed0 R15: ffffffffa0f9fc0f
 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:359
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x443859
Code: Bad RIP value.
RSP: 002b:00007ffdac9b4378 EFLAGS: 00000246 ORIG_RAX: 00000000000000e3
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443859
RDX: 0000000000443859 RSI: 0000000020000400 RDI: 0000000000000000
RBP: 00007ffdac9b4380 R08: 0000000001bbbbbb R09: 0000000001bbbbbb
R10: 0000000001bbbbbb R11: 0000000000000246 R12: 00007ffdac9b4390
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000