panic: a thread waited too long to allocate a page cpuid = 0 time = 75 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0089e72230 kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0089e72390 vpanic() at vpanic+0x257/frame 0xfffffe0089e72550 panic() at panic+0xb5/frame 0xfffffe0089e72620 vm_pageout_oom() at vm_pageout_oom+0xce4/frame 0xfffffe0089e726b0 vm_fault_allocate() at vm_fault_allocate+0xe41/frame 0xfffffe0089e72830 vm_fault() at vm_fault+0xd30/frame 0xfffffe0089e72bc0 vm_fault_trap() at vm_fault_trap+0xbd/frame 0xfffffe0089e72c10 trap_pfault() at trap_pfault+0x691/frame 0xfffffe0089e72d50 trap() at trap+0xf4b/frame 0xfffffe0089e72f30 calltrap() at calltrap+0x8/frame 0xfffffe0089e72f30 --- trap 0xc, rip = 0x2af9e9, rsp = 0x824f77f10, rbp = 0x824f77f80 --- KDB: enter: panic [ thread pid 4103 tid 105060 ] Stopped at kdb_enter+0x6e: movq $0,0x25b6f77(%rip) db> db> set $lines = 0 db> set $maxwidth = 0 db> show registers cs 0x20 ds 0x3b es 0x3b fs 0x13 gs 0x1b ss 0x28 rax 0x12 rcx 0xfffffe0002bf1850 rdx 0 rbx 0xffffffff827e1820 .str.27 rsp 0xfffffe0089e72370 rbp 0xfffffe0089e72390 rsi 0 rdi 0xffffffff816260e9 printf+0x149 r8 0 r9 0xffffffff r10 0x18f0d r11 0x17 r12 0xfffffe00893ef780 r13 0xfffffffffffffffe r14 0xffffffff827e1820 .str.27 r15 0 rip 0xffffffff8160fc1e kdb_enter+0x6e rflags 0x46 kdb_enter+0x6e: movq $0,0x25b6f77(%rip) db> show proc Process 4103 (syz-executor) at 0xfffffe00893da570: state: NORMAL uid: 0 gids: 0, 5 parent: pid 3478 at 0xfffffe007f388ab0 ABI: FreeBSD ELF64 flag: 0x10000000 flag2: 0 arguments: ./syz-executor exec reaper: 0xfffffe0007809010 reapsubtree: 1 sigparent: 20 vmspace: 0xfffffe00893d0248 (map 0xfffffe00893d0248) (map.pmap 0xfffffe00893d02e8) (pmap 0xfffffe00893d0358) threads: 1 105060 Run CPU 0 syz-executor db> ps pid ppid pgrp uid state wmesg wchan cmd 4877 4877 0 0 N syz-executor 4876 4876 0 0 N syz-executor 4875 4875 0 0 N syz-executor 4874 4874 0 0 N syz-executor 4873 4873 0 0 N syz-executor 4872 4872 0 0 N syz-executor 4871 3376 1008 0 N syz-executor 4870 3746 1008 0 N syz-executor 4869 2289 1008 0 N syz-executor 4868 3743 1008 0 N syz-executor 4867 1977 1008 0 N syz-executor 4866 3350 1008 0 N syz-executor 4865 3400 1008 0 N syz-executor 4864 3346 1008 0 N syz-executor 4863 3392 1008 0 N syz-executor 4862 3714 1008 0 N syz-executor 4861 3389 1008 0 N syz-executor 4860 3712 1008 0 N syz-executor 4859 3382 1008 0 N syz-executor 4858 3710 1008 0 N syz-executor 4857 3378 1008 0 N syz-executor 4856 3321 1008 0 N syz-executor 4855 3363 1008 0 N syz-executor 4854 3308 1008 0 N syz-executor 4853 3220 1008 0 N syz-executor 4852 3300 1008 0 N syz-executor 4851 3209 1008 0 N syz-executor 4850 3224 1008 0 N syz-executor 4849 3207 1008 0 N syz-executor 4848 3210 1008 0 N syz-executor 4847 3208 1008 0 N syz-executor 4846 3379 1008 0 N syz-executor 4845 3373 1008 0 N syz-executor 4844 3231 1008 0 N syz-executor 4843 3199 1008 0 N syz-executor 4842 3377 1008 0 N syz-executor 4841 3197 1008 0 N syz-executor 4840 3370 1008 0 N syz-executor 4839 3194 1008 0 N syz-executor 4838 3198 1008 0 N syz-executor 4837 3192 1008 0 N syz-executor 4836 3195 1008 0 N syz-executor 4835 3190 1008 0 N syz-executor 4834 3193 1008 0 N syz-executor 4833 2704 1008 0 N syz-executor 4832 3191 1008 0 N syz-executor 4831 3337 1008 0 N syz-executor 4830 3189 1008 0 N syz-executor 4829 3187 1008 0 N syz-executor 4828 3182 1008 0 N syz-executor 4827 3333 1008 0 N syz-executor 4826 3180 1008 0 N syz-executor 4825 3181 1008 0 N syz-executor 4824 2652 1008 0 N syz-executor 4823 1396 1008 0 N syz-executor 4822 3179 1008 0 N syz-executor 4821 1535 1008 0 N syz-executor 4820 3325 1008 0 N syz-executor 4819 2552 1008 0 N syz-executor 4818 3318 1008 0 N syz-executor 4817 2074 1008 0 N syz-executor 4816 1350 1008 0 N syz-executor 4815 3167 1008 0 N syz-executor 4814 3312 1008 0 N syz-executor 4813 3161 1008 0 N syz-executor 4812 2245 1008 0 N syz-executor 4811 3159 1008 0 N syz-executor 4810 3164 1008 0 N syz-executor 4809 3154 1008 0 N syz-executor 4808 3160 1008 0 N syz-executor 4807 3137 1008 0 N syz-executor 4806 3158 1008 0 N syz-executor 4805 3134 1008 0 N syz-executor 4804 3152 1008 0 N syz-executor 4803 3276 1008 0 N syz-executor 4802 3148 1008 0 N syz-executor 4801 3272 1008 0 N syz-executor 4800 3142 1008 0 N syz-executor 4799 2865 1008 0 N syz-executor 4798 3138 1008 0 N syz-executor 4797 3112 1008 0 N syz-executor 4796 3136 1008 0 N syz-executor 4795 3107 1008 0 N syz-executor 4794 3279 1008 0 N syz-executor 4793 3274 1008 0 N syz-executor 4792 2871 1008 0 N syz-executor 4791 3114 1008 0 N syz-executor 4790 3110 1008 0 N syz-executor 4789 4758 1008 0 N syz-executor 4788 4765 1008 0 N syz-executor 4787 762 760 0 NV syz-executor 4786 2018 1008 0 N syz-executor 4785 4764 1008 0 N syz-executor 4784 4760 1008 0 N syz-executor 4783 4754 1008 0 N syz-executor 4782 4750 1008 0 N syz-executor 4781 4757 1008 0 N syz-executor 4780 4738 1008 0 N syz-executor 4779 4748 1008 0 N syz-executor 4778 4747 1008 0 N syz-executor 4777 4753 1008 0 N syz-executor 4776 4745 1008 0 N syz-executor 4775 4749 1008 0 N syz-executor 4774 4731 1008 0 N syz-executor 4773 4727 1008 0 N syz-executor 4772 4744 1008 0 N syz-executor 4771 4734 1008 0 N syz-executor 4770 4733 1008 0 N syz-executor 4769 4723 1008 0 N syz-executor 4768 4730 1008 0 N syz-executor 4767 4728 1008 0 N syz-executor 4766 4736 1008 0 N syz-executor 4765 4728 1008 0 DL vmwait 0xffffffff83003480 syz-executor 4764 4736 1008 0 DL vmwait 0xffffffff83003480 syz-executor 4763 2372 1008 0 D pfault 0xffffffff83003480 syz-executor 4762 4732 1008 0 D pfault 0xffffffff83003480 syz-executor 4761 4739 1008 0 D pfault 0xffffffff83003480 syz-executor 4760 4732 1008 0 DL vmwait 0xffffffff83003480 syz-executor 4759 4739 1008 0 D pfault 0xffffffff83003480 syz-executor 4758 4739 1008 0 DL vmwait 0xffffffff83003480 syz-executor 4757 4732 1008 0 DL vmwait 0xffffffff83003480 syz-executor 4756 4737 1008 0 D pfault 0xffffffff83003480 syz-executor 4755 4724 1008 0 D pfault 0xffffffff83003480 syz-executor 4754 4737 1008 0 DL vmwait 0xffffffff83003480 syz-executor 4753 4724 1008 0 DL vmwait 0xffffffff83003480 syz-executor 4752 4735 1008 0 D pfault 0xffffffff83003480 syz-executor 4751 4725 1008 0 D pfault 0xffffffff83003480 syz-executor 4750 4735 1008 0 DL vmwait 0xffffffff83003480 syz-executor 4749 4725 1008 0 DL vmwait 0xffffffff83003480 syz-executor 4748 4735 1008 0 DL vmwait 0xffffffff83003480 syz-executor 4747 4725 1008 0 DL vmwait 0xffffffff83003480 syz-executor 4746 4729 1008 0 D pfault 0xffffffff83003480 syz-executor 4745 4729 1008 0 DL vmwait 0xffffffff83003480 syz-executor 4744 4729 1008 0 DL vmwait 0xffffffff83003480 syz-executor 4743 4726 1008 0 N syz-executor 4740 1 4740 0 Ds+ pfault 0xffffffff83003480 init 4739 4733 1008 0 D pfault 0xffffffff83003480 syz-executor 4738 4732 1008 0 DL vmwait 0xffffffff83003480 syz-executor 4737 4727 1008 0 D pfault 0xffffffff83003480 syz-executor 4736 4728 1008 0 DL vmwait 0xffffffff83003480 syz-executor 4735 4726 1008 0 D pfault 0xffffffff83003480 syz-executor 4734 4725 1008 0 DL vmwait 0xffffffff83003480 syz-executor 4733 4726 1008 0 DL vmwait 0xffffffff83003480 syz-executor 4732 4725 1008 0 D pfault 0xffffffff83003480 syz-executor 4731 2018 1008 0 DL vmwait 0xffffffff83003480 syz-executor 4730 4724 1008 0 DL vmwait 0xffffffff83003480 syz-executor 4729 4723 1008 0 D pfault 0xffffffff83003480 syz-executor 4728 4723 1008 0 DL vmwait 0xffffffff83003480 syz-executor 4727 4724 1008 0 DL vmwait 0xffffffff83003480 syz-executor 4726 4724 1008 0 DL vmwait 0xffffffff83003480 syz-executor 4725 4723 1008 0 D pfault 0xffffffff83003480 syz-executor 4724 2018 1008 0 D pfault 0xffffffff83003480 syz-executor 4723 2018 1008 0 DL vmwait 0xffffffff83003480 syz-executor 4722 4722 0 0 N syz-executor 4721 4721 0 0 N syz-executor 4720 4720 0 0 N syz-executor 4719 4719 0 0 N syz-executor 4718 4718 0 0 N syz-executor 4717 4717 0 0 N syz-executor 4716 4716 0 0 N syz-executor 4715 4715 0 0 N syz-executor 4714 4714 0 0 N syz-executor 4713 4713 0 0 N syz-executor 4712 4712 0 0 N syz-executor 4711 4711 0 0 N syz-executor 4710 4710 0 0 N syz-executor 4709 4709 0 0 N syz-executor 4708 4708 0 0 N syz-executor 4707 4707 0 0 N syz-executor 4706 4706 0 0 N syz-executor 4705 4705 0 0 N syz-executor 4704 4704 0 0 N syz-executor 4703 4703 0 0 N syz-executor 4702 4702 0 0 N syz-executor 4701 4701 0 0 N syz-executor 4700 4700 0 0 N syz-executor 4699 4699 0 0 N syz-executor 4698 4698 0 0 N syz-executor 4697 4697 0 0 N syz-executor 4696 4696 0 0 N syz-executor 4695 4695 0 0 N syz-executor 4694 4694 0 0 N syz-executor 4693 4693 0 0 N syz-executor 4692 4692 0 0 N syz-executor 4691 4691 0 0 N syz-executor 4690 4690 0 0 N syz-executor 4689 4689 0 0 N syz-executor 4688 4688 0 0 N syz-executor 4687 4687 0 0 N syz-executor 4686 4686 0 0 N syz-executor 4685 4685 0 0 N syz-executor 4684 4684 0 0 N syz-executor 4683 4683 0 0 N syz-executor 4682 4682 0 0 N syz-executor 4681 4681 0 0 N syz-executor 4680 4680 0 0 N syz-executor 4679 4679 0 0 N syz-executor 4678 4678 0 0 N syz-executor 4677 4677 0 0 N syz-executor 4676 4676 0 0 N syz-executor 4675 4675 0 0 N syz-executor 4674 4674 0 0 N syz-executor 4673 4673 0 0 N syz-executor 4672 4672 0 0 N syz-executor 4671 4671 0 0 N syz-executor 4670 4670 0 0 N syz-executor 4669 4669 0 0 N syz-executor 4668 4668 0 0 N syz-executor 4667 4667 0 0 N syz-executor 4666 4666 0 0 N syz-executor 4665 4665 0 0 N syz-executor 4664 4664 0 0 N syz-executor 4663 4663 0 0 N syz-executor 4662 4662 0 0 N syz-executor 4661 4661 0 0 N syz-executor 4660 4660 0 0 N syz-executor 4659 4659 0 0 N syz-executor 4658 4658 0 0 N syz-executor 4657 4657 0 0 N syz-executor 4656 4656 0 0 N syz-executor 4655 4655 0 0 N syz-executor 4654 4654 0 0 N syz-executor 4653 4653 0 0 N syz-executor 4652 4652 0 0 N syz-executor 4651 4651 0 0 N syz-executor 4650 4650 0 0 N syz-executor 4649 4649 0 0 N syz-executor 4648 4648 0 0 N syz-executor 4647 4647 0 0 N syz-executor 4646 4646 0 0 N syz-executor 4645 4645 0 0 N syz-executor 4644 4644 0 0 N syz-executor 4643 4643 0 0 N syz-executor 4642 4642 0 0 N syz-executor 4641 4641 0 0 N syz-executor 4640 4640 0 0 N syz-executor 4639 4639 0 0 N syz-executor 4638 4638 0 0 N syz-executor 4637 4637 0 0 N syz-executor 4636 4636 0 0 N syz-executor 4635 4635 0 0 N syz-executor 4634 4634 0 0 N syz-executor 4633 4633 0 0 N syz-executor 4632 4632 0 0 N syz-executor 4631 4631 0 0 N syz-executor 4630 4630 0 0 N syz-executor 4629 4629 0 0 N syz-executor 4628 4628 0 0 N syz-executor 4627 4627 0 0 N syz-executor 4626 4626 0 0 N syz-executor 4625 4625 0 0 N syz-executor 4624 4624 0 0 N syz-executor 4623 4623 0 0 N syz-executor 4622 4622 0 0 N syz-executor 4621 4621 0 0 N syz-executor 4620 4620 0 0 N syz-executor 4619 4619 0 0 N syz-executor 4618 4618 0 0 N syz-executor 4617 4617 0 0 N syz-executor 4616 4616 0 0 N syz-executor 4615 4615 0 0 N syz-executor 4614 4614 0 0 N syz-executor 4613 4613 0 0 N syz-executor 4612 4612 0 0 N syz-executor 4611 4611 0 0 N syz-executor 4610 4610 0 0 N syz-executor 4609 4609 0 0 N syz-executor 4608 4608 0 0 N syz-executor 4607 4607 0 0 N syz-executor 4606 4606 0 0 N syz-executor 4605 4605 0 0 N syz-executor 4604 4604 0 0 N syz-executor 4603 4603 0 0 N syz-executor 4602 4602 0 0 N syz-executor 4601 4601 0 0 N syz-executor 4600 4600 0 0 N syz-executor 4599 4599 0 0 N syz-executor 4598 4598 0 0 N syz-executor 4597 4597 0 0 N serialport: VM disconnected.