rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
	(detected by 0, t=10502 jiffies, g=11033, q=1164)
rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4295071458-4295060956), jiffies_till_next_fqs=1, root ->qsmask 0x0
syz-executor.3  R  running task    28352  8914   8789 0x0000000c
Call Trace:
 <IRQ>
 sched_show_task+0x408/0x560 kernel/sched/core.c:5952
 print_other_cpu_stall kernel/rcu/tree_stall.h:430 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:558 [inline]
 rcu_pending kernel/rcu/tree.c:3030 [inline]
 rcu_sched_clock_irq+0x147c/0x1970 kernel/rcu/tree.c:2276
 update_process_times+0x12c/0x180 kernel/time/timer.c:1726
 tick_sched_handle kernel/time/tick-sched.c:171 [inline]
 tick_sched_timer+0x254/0x410 kernel/time/tick-sched.c:1314
 __run_hrtimer kernel/time/hrtimer.c:1517 [inline]
 __hrtimer_run_queues+0x3cf/0x7d0 kernel/time/hrtimer.c:1579
 hrtimer_interrupt+0x373/0xd60 kernel/time/hrtimer.c:1641
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1119 [inline]
 smp_apic_timer_interrupt+0x109/0x280 arch/x86/kernel/apic/apic.c:1144
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:759 [inline]
RIP: 0010:__local_bh_disable_ip+0xdd/0x150 kernel/softirq.c:130
Code: 58 d4 0a 89 48 c1 e8 03 42 80 3c 20 00 74 0c 48 c7 c7 58 d4 0a 89 e8 12 23 68 00 48 83 3d a2 0c c2 07 00 74 71 4c 89 ff 57 9d <0f> 1f 44 00 00 65 8b 05 03 56 b9 7e 25 ff ff ff 7f 39 d8 75 44 4c
RSP: 0000:ffffc90000007c60 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff1215a8b RBX: 0000000000000201 RCX: ffff88809663c040
RDX: ffff88809663c040 RSI: 0000000000000201 RDI: 0000000000000282
RBP: 0000000000000001 R08: ffffffff86f70b17 R09: ffffed1015d07004
R10: ffffed1015d07004 R11: 0000000000000000 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffffffff86f70b33 R15: 0000000000000282
 __raw_read_lock_bh include/linux/rwlock_api_smp.h:175 [inline]
 _raw_read_lock_bh+0x18/0x50 kernel/locking/spinlock.c:247
 ipv6_get_lladdr+0x153/0x340 net/ipv6/addrconf.c:1866
 addrconf_rs_timer+0x1e0/0x680 net/ipv6/addrconf.c:3878
 call_timer_fn+0x91/0x160 kernel/time/timer.c:1404
 expire_timers kernel/time/timer.c:1449 [inline]
 __run_timers+0x776/0x970 kernel/time/timer.c:1773
 run_timer_softirq+0x46/0x80 kernel/time/timer.c:1786
 __do_softirq+0x268/0x7c5 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x223/0x230 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:546 [inline]
 smp_apic_timer_interrupt+0x113/0x280 arch/x86/kernel/apic/apic.c:1146
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829
 </IRQ>
RIP: 0033:0x45c4a9
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f36322fccf8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000001 RBX: 000000000076bf28 RCX: 000000000045c4a9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 000000000076bf2c
RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000076bf2c
R13: 00007ffd554ff18f R14: 00007f36322fd9c0 R15: 000000000076bf2c
rcu: rcu_preempt kthread starved for 10502 jiffies! g11033 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: RCU grace-period kthread stack dump:
rcu_preempt     R  running task    29072    10      2 0x80004000
Call Trace: