rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...0: (1 GPs behind) idle=629/1/0x4000000000000000 softirq=54383/54386 fqs=5245 
	(detected by 0, t=10502 jiffies, g=86209, q=795)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 27140 Comm: syz-executor.4 Not tainted 5.16.0-rc8-next-20220104-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:rcu_lockdep_current_cpu_online kernel/rcu/tree.c:1196 [inline]
RIP: 0010:rcu_lockdep_current_cpu_online+0xdc/0x140 kernel/rcu/tree.c:1178
Code: 48 8b 5b 18 48 8d 7b 70 48 89 fa 48 c1 ea 03 80 3c 02 00 75 5a 48 8b 53 70 b8 01 00 00 00 48 85 d5 74 0c 65 ff 0d 74 ec 9e 7e <74> 21 5b 5d c3 be 04 00 00 00 48 c7 c7 80 c7 b8 8b e8 5e 82 5f 00
RSP: 0018:ffffc90000dc0ce0 EFLAGS: 00000002
RAX: 0000000000000001 RBX: ffffffff8bb8bf00 RCX: ffffffff815ce201
RDX: 0000000000000003 RSI: 0000000000010003 RDI: ffffffff8bb8bf70
RBP: 0000000000000002 R08: 0000000000000000 R09: ffffffff8d936c97
R10: fffffbfff1b26d92 R11: 0000000000000000 R12: 0000000000000001
R13: 178796ef2f0f2dde R14: ffff888023f344a0 R15: 178796ef2f0f2dde
FS:  00007fb89b581700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5539427008 CR3: 0000000038246000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 rcu_read_lock_held_common kernel/rcu/update.c:112 [inline]
 rcu_read_lock_held_common kernel/rcu/update.c:102 [inline]
 rcu_read_lock_sched_held+0x25/0x70 kernel/rcu/update.c:123
 trace_lock_release include/trace/events/lock.h:58 [inline]
 lock_release+0x522/0x720 kernel/locking/lockdep.c:5650
 rcu_lock_release include/linux/rcupdate.h:273 [inline]
 rcu_read_unlock include/linux/rcupdate.h:727 [inline]
 advance_sched+0x507/0x9a0 net/sched/sch_taprio.c:769
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x609/0xe50 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
 __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1103
 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1097
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x38/0x70 kernel/locking/spinlock.c:194
Code: 74 24 10 e8 9a f6 03 f8 48 89 ef e8 52 6c 04 f8 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 <e8> 53 26 f7 f7 65 8b 05 cc 84 a9 76 85 c0 74 0a 5b 5d c3 e8 a0 61
RSP: 0018:ffffc9000588fd98 EFLAGS: 00000206
RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff1b26821
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffffff8bba2a00 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff817e4cd8 R11: 0000000000000000 R12: 1ffff92000b11fbc
R13: 0000000000000000 R14: ffffffff9e2b61fe R15: 000000001560f1b4
 do_settimeofday64 kernel/time/timekeeping.c:1323 [inline]
 do_settimeofday64+0x3af/0x5b0 kernel/time/timekeeping.c:1293
 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+0x1a1/0x280 kernel/time/posix-timers.c:1067
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fb89cc0be99
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb89b581168 EFLAGS: 00000246 ORIG_RAX: 00000000000000e3
RAX: ffffffffffffffda RBX: 00007fb89cd1ef60 RCX: 00007fb89cc0be99
RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000000
RBP: 00007fb89cc65ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc10420b7f R14: 00007fb89b581300 R15: 0000000000022000
 </TASK>
----------------
Code disassembly (best guess):
   0:	48 8b 5b 18          	mov    0x18(%rbx),%rbx
   4:	48 8d 7b 70          	lea    0x70(%rbx),%rdi
   8:	48 89 fa             	mov    %rdi,%rdx
   b:	48 c1 ea 03          	shr    $0x3,%rdx
   f:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
  13:	75 5a                	jne    0x6f
  15:	48 8b 53 70          	mov    0x70(%rbx),%rdx
  19:	b8 01 00 00 00       	mov    $0x1,%eax
  1e:	48 85 d5             	test   %rdx,%rbp
  21:	74 0c                	je     0x2f
  23:	65 ff 0d 74 ec 9e 7e 	decl   %gs:0x7e9eec74(%rip)        # 0x7e9eec9e
* 2a:	74 21                	je     0x4d <-- trapping instruction
  2c:	5b                   	pop    %rbx
  2d:	5d                   	pop    %rbp
  2e:	c3                   	retq
  2f:	be 04 00 00 00       	mov    $0x4,%esi
  34:	48 c7 c7 80 c7 b8 8b 	mov    $0xffffffff8bb8c780,%rdi
  3b:	e8 5e 82 5f 00       	callq  0x5f829e