set_target_v1_checkentry: 11 callbacks suppressed
Cannot find add_set index 0 as target
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-...!: (10500 ticks this GP) idle=d06/1/0x4000000000000002 softirq=220797/220797 fqs=0 
rcu: 	 (t=10500 jiffies g=275473 q=16359)
rcu: rcu_preempt kthread starved for 10500 jiffies! g275473 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1
rcu: RCU grace-period kthread stack dump:
rcu_preempt     I29208    10      2 0x80000000
Call Trace:
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x887/0x2040 kernel/sched/core.c:3517
 schedule+0x8d/0x1b0 kernel/sched/core.c:3561
 schedule_timeout+0x4cf/0xfe0 kernel/time/timer.c:1825
 rcu_gp_kthread+0xdad/0x21c0 kernel/rcu/tree.c:2202
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
NMI backtrace for cpu 1
CPU: 1 PID: 20114 Comm: syz-executor.5 Not tainted 4.19.142-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2fe lib/dump_stack.c:118
 nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x1a6/0x1eb lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
 rcu_dump_cpu_stacks+0x15f/0x19c kernel/rcu/tree.c:1340
 print_cpu_stall kernel/rcu/tree.c:1478 [inline]
 check_cpu_stall kernel/rcu/tree.c:1550 [inline]
 __rcu_pending kernel/rcu/tree.c:3293 [inline]
 rcu_pending kernel/rcu/tree.c:3336 [inline]
 rcu_check_callbacks.cold+0x62d/0xe19 kernel/rcu/tree.c:2682
 update_process_times+0x2a/0xb0 kernel/time/timer.c:1650
 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:168
 tick_sched_timer+0xfc/0x290 kernel/time/tick-sched.c:1278
 __run_hrtimer kernel/time/hrtimer.c:1401 [inline]
 __hrtimer_run_queues+0x3f6/0xe60 kernel/time/hrtimer.c:1463
 hrtimer_interrupt+0x32a/0x930 kernel/time/hrtimer.c:1521
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1067 [inline]
 smp_apic_timer_interrupt+0x10c/0x550 arch/x86/kernel/apic/apic.c:1092
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:pte_none arch/x86/include/asm/pgtable.h:709 [inline]
RIP: 0010:zap_pte_range mm/memory.c:1305 [inline]
RIP: 0010:zap_pmd_range mm/memory.c:1440 [inline]
RIP: 0010:zap_pud_range mm/memory.c:1469 [inline]
RIP: 0010:zap_p4d_range mm/memory.c:1490 [inline]
RIP: 0010:unmap_page_range+0xab5/0x2a70 mm/memory.c:1511
Code: ff ff 48 89 44 24 70 e8 69 ae d6 ff 48 8b 44 24 30 48 c1 e8 03 42 80 3c 30 00 0f 85 77 1a 00 00 48 8b 44 24 30 31 ff 4c 8b 20 <4c> 89 e3 48 83 e3 9f 48 89 de e8 cc af d6 ff 48 85 db 0f 84 12 04
RSP: 0018:ffff88819c3b7768 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: ffff8881dcde10c0 RBX: 00007f6fa1564000 RCX: ffffffff8193077f
RDX: 0000000000000000 RSI: ffffffff81930317 RDI: 0000000000000000
RBP: ffffea0002a4fdb0 R08: 0000000000000000 R09: 00007f6fa1564000
R10: 0000000000000006 R11: 0000000000000000 R12: 800000008eb95007
R13: ffffea0002a4fd80 R14: dffffc0000000000 R15: 00007f6fa1419000
 unmap_single_vma+0x198/0x300 mm/memory.c:1556
 unmap_vmas+0xa9/0x180 mm/memory.c:1586
 exit_mmap+0x2b9/0x530 mm/mmap.c:3091
 __mmput kernel/fork.c:1015 [inline]
 mmput+0x14e/0x4a0 kernel/fork.c:1036
 exit_mm kernel/exit.c:546 [inline]
 do_exit+0xab5/0x2b70 kernel/exit.c:874
 do_group_exit+0x125/0x310 kernel/exit.c:990
 get_signal+0x3f2/0x1f70 kernel/signal.c:2588
 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:821
 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
 do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45d5b9
Code: Bad RIP value.
RSP: 002b:00007f6f9eb61cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000118cf48 RCX: 000000000045d5b9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118cf48
RBP: 000000000118cf40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c
R13: 00007ffcaed39b7f R14: 00007f6f9eb629c0 R15: 000000000118cf4c