panic: pmap_san_enter_alloc_4k: no memory to grow shadow map cpuid = 0 time = 1762195512 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0098459730 kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0098459890 vpanic() at vpanic+0x257/frame 0xfffffe0098459a50 panic() at panic+0xb5/frame 0xfffffe0098459b10 pmap_san_enter_alloc_4k() at pmap_san_enter_alloc_4k+0x4b/frame 0xfffffe0098459b30 pmap_san_enter() at pmap_san_enter+0x353/frame 0xfffffe0098459b70 kasan_shadow_map() at kasan_shadow_map+0x78/frame 0xfffffe0098459b90 pmap_growkernel() at pmap_growkernel+0xd1/frame 0xfffffe0098459bf0 vm_map_insert1() at vm_map_insert1+0x672/frame 0xfffffe0098459d30 vm_map_find_locked() at vm_map_find_locked+0xa12/frame 0xfffffe0098459ea0 vm_map_find() at vm_map_find+0xc7/frame 0xfffffe0098459f10 kva_import() at kva_import+0xd4/frame 0xfffffe0098459ff0 vmem_try_fetch() at vmem_try_fetch+0x21e/frame 0xfffffe009845a0e0 vmem_xalloc() at vmem_xalloc+0x538/frame 0xfffffe009845a180 kva_import_domain() at kva_import_domain+0x5f/frame 0xfffffe009845a1d0 vmem_try_fetch() at vmem_try_fetch+0x21e/frame 0xfffffe009845a2c0 vmem_xalloc() at vmem_xalloc+0x538/frame 0xfffffe009845a360 vm_thread_kstack_arena_import() at vm_thread_kstack_arena_import+0x9e/frame 0xfffffe009845a3d0 vmem_try_fetch() at vmem_try_fetch+0x21e/frame 0xfffffe009845a4b0 vmem_xalloc() at vmem_xalloc+0x538/frame 0xfffffe009845a550 vmem_alloc() at vmem_alloc+0xfe/frame 0xfffffe009845a5b0 vm_thread_stack_create() at vm_thread_stack_create+0x2ce/frame 0xfffffe009845a8e0 kstack_import() at kstack_import+0x9e/frame 0xfffffe009845a930 cache_alloc() at cache_alloc+0x7e5/frame 0xfffffe009845aa00 cache_alloc_retry() at cache_alloc_retry+0x35/frame 0xfffffe009845aa40 vm_thread_new() at vm_thread_new+0x91/frame 0xfffffe009845aab0 thread_alloc() at thread_alloc+0x72/frame 0xfffffe009845aaf0 fork1() at fork1+0xad6/frame 0xfffffe009845ac10 sys_fork() at sys_fork+0xe3/frame 0xfffffe009845ad10 amd64_syscall() at amd64_syscall+0x4e2/frame 0xfffffe009845af30 fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe009845af30 --- syscall (198, FreeBSD ELF64, __syscall), rip = 0x3a6e9a, rsp = 0x826c17f08, rbp = 0x826c17f80 --- KDB: enter: panic [ thread pid 4926 tid 104671 ] Stopped at kdb_enter+0x6e: movq $0,0x2589dc7(%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 0xffffffff82825b60 .str.27 rsp 0xfffffe0098459870 rbp 0xfffffe0098459890 rsi 0 rdi 0xffffffff8165ade9 printf+0x149 r8 0 r9 0xffffffff r10 0 r11 0x3f r12 0xfffffe0098e7d000 r13 0xfffffffffffffffe r14 0xffffffff82825b60 .str.27 r15 0 rip 0xffffffff816441ce kdb_enter+0x6e rflags 0x46 kdb_enter+0x6e: movq $0,0x2589dc7(%rip) db> show proc Process 4926 (syz-executor) at 0xfffffe0098e73008: state: NORMAL uid: 0 gid: 0 supp gids: 0, 5 parent: pid 4565 at 0xfffffe00972dfac0 ABI: FreeBSD ELF64 flag: 0x10000000 flag2: 0 arguments: ./syz-executor exec reaper: 0xfffffe0007809010 reapsubtree: 1 sigparent: 20 vmspace: 0xfffffe0098e7a6d8 (map 0xfffffe0098e7a6d8) (map.pmap 0xfffffe0098e7a778) (pmap 0xfffffe0098e7a7e8) threads: 1 104671 Run CPU 0 syz-executor db> ps pid ppid pgrp uid state wmesg wchan cmd 5892 5892 0 0 N syz-executor 5891 5670 763 0 D allproc 0xffffffff83001980 syz-executor 5890 5783 763 0 R syz-executor 5889 5670 763 0 D allproc 0xffffffff83001980 syz-executor 5888 5783 763 0 R syz-executor 5887 5797 763 0 R syz-executor 5886 5783 763 0 D allproc 0xffffffff83001980 syz-executor 5885 5797 763 0 R syz-executor 5884 5783 763 0 D allproc 0xffffffff83001980 syz-executor 5883 5797 763 0 R syz-executor 5882 5783 763 0 D allproc 0xffffffff83001980 syz-executor 5881 5797 763 0 R syz-executor 5880 5783 763 0 D allproc 0xffffffff83001980 syz-executor 5879 5797 763 0 R syz-executor 5878 5779 763 0 R syz-executor 5877 5797 763 0 R syz-executor 5876 5779 763 0 R syz-executor 5875 5797 763 0 D allproc 0xffffffff83001980 syz-executor 5874 5779 763 0 R syz-executor 5873 5797 763 0 D allproc 0xffffffff83001980 syz-executor 5872 5779 763 0 R syz-executor 5871 5797 763 0 D allproc 0xffffffff83001980 syz-executor 5870 5779 763 0 D allproc 0xffffffff83001980 syz-executor 5869 5795 763 0 R syz-executor 5868 5795 763 0 R syz-executor 5867 5779 763 0 D allproc 0xffffffff83001980 syz-executor 5866 5779 763 0 D allproc 0xffffffff83001980 syz-executor 5865 5795 763 0 R syz-executor 5864 5779 763 0 D allproc 0xffffffff83001980 syz-executor 5863 5795 763 0 R syz-executor 5862 5692 763 0 R syz-executor 5861 5795 763 0 R syz-executor 5860 5692 763 0 R syz-executor 5859 5795 763 0 R syz-executor 5858 5692 763 0 D allproc 0xffffffff83001980 syz-executor 5857 5795 763 0 R syz-executor 5856 5692 763 0 D allproc 0xffffffff83001980 syz-executor 5855 5795 763 0 D allproc 0xffffffff83001980 syz-executor 5854 5692 763 0 D allproc 0xffffffff83001980 syz-executor 5853 5793 763 0 R syz-executor 5852 5692 763 0 D allproc 0xffffffff83001980 syz-executor 5851 5793 763 0 R syz-executor 5850 5778 763 0 R syz-executor 5849 5793 763 0 R syz-executor 5848 5778 763 0 R syz-executor 5847 5793 763 0 R syz-executor 5846 5778 763 0 D allproc 0xffffffff83001980 syz-executor 5845 5793 763 0 R syz-executor 5844 5778 763 0 D allproc 0xffffffff83001980 syz-executor 5843 5793 763 0 D allproc 0xffffffff83001980 syz-executor 5842 5778 763 0 D allproc 0xffffffff83001980 syz-executor 5841 5793 763 0 D allproc 0xffffffff83001980 syz-executor 5840 5778 763 0 D allproc 0xffffffff83001980 syz-executor 5839 5793 763 0 D allproc 0xffffffff83001980 syz-executor 5838 5776 763 0 D allproc 0xffffffff83001980 syz-executor 5837 5792 763 0 R syz-executor 5836 5825 763 0 R syz-executor 5835 5792 763 0 R syz-executor 5834 5825 763 0 R syz-executor 5833 5825 763 0 D allproc 0xffffffff83001980 syz-executor 5832 5792 763 0 R syz-executor 5831 5825 763 0 D allproc 0xffffffff83001980 syz-executor 5830 5792 763 0 D allproc 0xffffffff83001980 syz-executor 5829 5792 763 0 D allproc 0xffffffff83001980 syz-executor 5828 5825 763 0 D allproc 0xffffffff83001980 syz-executor 5827 5792 763 0 D allproc 0xffffffff83001980 syz-executor 5826 5774 763 0 D allproc 0xffffffff83001980 syz-executor 5825 5442 763 0 R syz-executor 5824 5774 763 0 D allproc 0xffffffff83001980 syz-executor 5823 5282 763 0 D allproc 0xffffffff83001980 syz-executor 5822 5774 763 0 D allproc 0xffffffff83001980 syz-executor 5821 5468 763 0 D allproc 0xffffffff83001980 syz-executor 5820 5121 763 0 R syz-executor 5819 5773 763 0 R syz-executor 5818 5121 763 0 R syz-executor 5817 5773 763 0 R syz-executor 5816 5121 763 0 R syz-executor 5815 5773 763 0 R syz-executor 5814 5121 763 0 R syz-executor 5813 5773 763 0 R syz-executor 5812 5121 763 0 R syz-executor 5811 5773 763 0 D allproc 0xffffffff83001980 syz-executor 5810 5121 763 0 R syz-executor 5809 5773 763 0 D allproc 0xffffffff83001980 syz-executor 5808 5121 763 0 R syz-executor 5807 5773 763 0 D allproc 0xffffffff83001980 syz-executor 5806 5121 763 0 D allproc 0xffffffff83001980 syz-executor 5805 5409 763 0 R syz-executor 5804 5514 763 0 D allproc 0xffffffff83001980 syz-executor 5803 5408 763 0 D allproc 0xffffffff83001980 syz-executor 5802 5449 763 0 D allproc 0xffffffff83001980 syz-executor 5801 5352 763 0 D allproc 0xffffffff83001980 syz-executor 5800 5412 763 0 D allproc 0xffffffff83001980 syz-executor 5799 5317 763 0 D allproc 0xffffffff83001980 syz-executor 5798 5379 763 0 D allproc 0xffffffff83001980 syz-executor 5797 5377 763 0 R syz-executor 5796 5457 763 0 D allproc 0xffffffff83001980 syz-executor 5795 5334 763 0 R syz-executor 5794 5611 763 0 D allproc 0xffffffff83001980 syz-executor 5793 5563 763 0 R syz-executor 5792 5436 763 0 R syz-executor 5791 5646 763 0 D allproc 0xffffffff83001980 syz-executor 5790 5380 763 0 D allproc 0xffffffff83001980 syz-executor 5789 5396 763 0 D allproc 0xffffffff83001980 syz-executor 5788 5342 763 0 D allproc 0xffffffff83001980 syz-executor 5787 5627 763 0 D allproc 0xffffffff83001980 syz-executor 5786 5298 763 0 D allproc 0xffffffff83001980 syz-executor 5785 5579 763 0 D allproc 0xffffffff83001980 syz-executor 5784 5269 763 0 D allproc 0xffffffff83001980 syz-executor 5783 5546 763 0 R syz-executor 5782 5423 763 0 D allproc 0xffffffff83001980 syz-executor 5781 5453 763 0 D allproc 0xffffffff83001980 syz-executor 5780 5630 763 0 D allproc 0xffffffff83001980 syz-executor 5779 5491 763 0 R syz-executor 5778 5406 763 0 R syz-executor 5777 5472 763 0 D allproc 0xffffffff83001980 syz-executor 5776 5445 763 0 D allproc 0xffffffff83001980 syz-executor 5775 5531 763 0 D allproc 0xffffffff83001980 syz-executor 5774 5440 763 0 D allproc 0xffffffff83001980 syz-executor 5773 5633 763 0 R syz-executor 5772 5564 763 0 D allproc 0xffffffff83001980 syz-executor 5771 5628 763 0 D allproc 0xffffffff83001980 syz-executor 5770 5500 763 0 D allproc 0xffffffff83001980 syz-executor 5769 5515 763 0 D allproc 0xffffffff83001980 syz-executor 5768 5455 763 0 D allproc 0xffffffff83001980 syz-executor 5767 5409 763 0 R syz-executor 5766 5455 763 0 D allproc 0xffffffff83001980 syz-executor 5765 5454 763 0 R syz-executor 5764 5409 763 0 D allproc 0xffffffff83001980 syz-executor 5763 5454 763 0 R syz-executor 5762 5409 763 0 D allproc 0xffffffff83001980 syz-executor 5761 5454 763 0 R syz-executor 5760 5409 763 0 D allproc 0xffffffff83001980 syz-executor 5759 5454 763 0 R syz-executor 5758 5409 763 0 D allproc 0xffffffff83001980 syz-executor 5757 5454 763 0 R syz-executor 5756 5547 763 0 R syz-executor 5755 5454 763 0 R syz-executor 5754 5547 763 0 R syz-executor 5753 5454 763 0 D allproc 0xffffffff83001980 syz-executor 5752 5547 763 0 R syz-executor 5751 5547 763 0 R syz-executor 5750 5454 763 0 D allproc 0xffffffff83001980 syz-executor 5749 5547 763 0 D allproc 0xffffffff83001980 syz-executor 5748 5454 763 0 D allproc 0xffffffff83001980 syz-executor 5747 5447 763 0 R syz-executor 5746 5547 763 0 D allproc 0xffffffff83001980 syz-executor 5745 5447 763 0 R syz-executor 5744 5547 763 0 D allproc 0xffffffff83001980 syz-executor 5743 5447 763 0 R syz-executor 5742 5547 763 0 D allproc 0xffffffff83001980 syz-executor 5741 5447 763 0 R syz-executor 5740 5547 763 0 D allproc 0xffffffff83001980 syz-executor 5739 5434 763 0 R syz-executor 5738 5447 763 0 R syz-executor 5737 5434 763 0 R syz-executor 5736 5447 763 0 R syz-executor 5735 5434 763 0 R syz-executor 5734 5447 763 0 D allproc 0xffffffff83001980 syz-executor 5733 5434 763 0 R syz-executor 5732 5447 763 0 D allproc 0xffffffff83001980 syz-executor 5731 5434 763 0 D allproc 0xffffffff83001980 syz-executor 5730 5447 763 0 D allproc 0xffffffff83001980 syz-executor 5729 5444 763 0 R syz-executor 5728 5434 763 0 D allproc 0xffffffff83001980 syz-executor 5727 5444 763 0 R syz-executor 5726 5434 763 0 D allproc 0xffffffff83001980 syz-executor 5725 5444 763 0 R syz-executor 5724 5434 763 0 D allproc 0xffffffff83001980 syz-executor 5723 5444 763 0 R syz-executor 5722 5434 763 0 D allproc 0xffffffff83001980 syz-executor 5721 5444 763 0 R syz-executor 5720 5362 763 0 R syz-executor 5719 5444 763 0 D allproc 0xffffffff83001980 syz-executor 5718 5362 763 0 R syz-executor 5717 5444 763 0 D allproc 0xffffffff83001980 syz-executor 5716 5362 763 0 R syz-executor 5715 5362 763 0 R syz-executor 5714 5444 763 0 D allproc 0xffffffff83001980 syz-executor 5713 5443 763 0 R syz-executor 5712 5362 763 0 R syz-executor 5711 5443 763 0 D allproc 0xffffffff83001980 syz-executor 5710 5362 763 0 D allproc 0xffffffff83001980 syz-executor 5709 5443 763 0 D allproc 0xffffffff83001980 syz-executor 5708 5362 763 0 D allproc 0xffffffff83001980 syz-executor 5707 5360 763 0 R syz-executor 5706 5362 763 0 D allproc 0xffffffff83001980 syz-executor 5705 5360 763 0 D allproc 0xffffffff83001980 syz-executor 5704 5362 763 0 D allproc 0xffffffff83001980 syz-executor 5703 4592 763 0 R syz-executor 5702 5360 763 0 D allproc 0xffffffff83001980 syz-executor 5701 5410 763 0 R syz-executor 5700 4592 763 0 R syz-executor 5699 5410 763 0 D allproc 0xffffffff83001980 syz-executor 5698 4592 763 0 R syz-executor 5697 5410 763 0 D allproc 0xffffffff83001980 syz-executor 5696 4592 763 0 R syz-executor 5695 5695 0 0 N syz-executor 5694 4592 763 0 D allproc 0xffffffff83001980 syz-executor 5693 5326 763 0 D allproc 0xffffffff83001980 syz-executor 5692 5671 763 0 R syz-executor 5691 5643 763 0 D allproc 0xffffffff83001980 syz-executor 5690 5596 763 0 D allproc 0xffffffff83001980 syz-executor 5689 5326 763 0 D allproc 0xffffffff83001980 syz-executor 5688 5438 763 0 D allproc 0xffffffff83001980 syz-executor 5687 5596 763 0 D allproc 0xffffffff83001980 syz-executor 5686 5438 763 0 D allproc 0xffffffff83001980 syz-executor 5685 5596 763 0 D allproc 0xffffffff83001980 syz-executor 5684 5433 763 0 R syz-executor 5683 5312 763 0 R syz-executor 5682 5433 763 0 R syz-executor 5681 5312 763 0 R syz-executor 5680 5433 763 0 R syz-executor 5679 5312 763 0 R syz-executor 5678 5433 763 0 R syz-executor 5677 5312 763 0 R syz-executor 5676 5433 763 0 R syz-executor 5675 5312 763 0 D allproc 0xffffffff83001980 syz-executor 5674 5433 763 0 D allproc 0xffffffff83001980 syz-executor 5673 5312 763 0 D allproc 0xffffffff83001980 syz-executor 5672 5312 763 0 D allproc 0xffffffff83001980 syz-executor 5671 5433 763 0 D allproc 0xffffffff83001980 syz-executor 5670 5295 763 0 D allproc 0xffffffff83001980 syz-executor 5669 5121 763 0 D allproc 0xffffffff83001980 syz-executor 5668 5474 763 0 D allproc 0xffffffff83001980 syz-executor 5667 5282 763 0 D allproc 0xffffffff83001980 syz-executor 5666 5469 763 0 D allproc 0xffffffff83001980 syz-executor 5665 5310 763 0 R syz-executor 5664 4656 763 0 R syz-executor 5663 5310 763 0 R syz-executor 5662 4656 763 0 R syz-executor 5661 5310 763 0 D allproc 0xffffffff83001980 syz-executor 5660 4656 763 0 R syz-executor 5659 5310 763 0 D allproc 0xffffffff83001980 syz-executor 5658 4656 763 0 R syz-executor 5657 5310 763 0 D allproc 0xffffffff83001980 syz-executor 5656 4656 763 0 R syz-executor 5655 5310 763 0 D allproc 0xffffffff83001980 syz-executor 5654 4656 763 0 D allproc 0xffffffff83001980 syz-executor 5653 5462 763 0 R syz-executor 5652 5281 763 0 R syz-executor 5651 5462 763 0 R syz-executor 5650 5281 763 0 D allproc 0xffffffff83001980 syz-executor 5649 5462 763 0 D allproc 0xffffffff83001980 syz-executor 5648 5270 763 0 D allproc 0xffffffff83001980 syz-executor 5647 5462 763 0 D allproc 0xffffffff83001980 syz-executor 5646 5270 763 0 D allproc 0xffffffff83001980 syz-executor 5645 5462 763 0 D allproc 0xffffffff83001980 syz-executor 5644 5045 763 0 R syz-executor 5643 5462 763 0 D allproc 0xffffffff83001980 syz-executor 5642 5463 763 0 R syz-executor 5641 5045 763 0 R syz-executor 5640 5463 763 0 D allproc 0xffffffff83001980 syz-executor 5639 5045 763 0 R syz-executor 5638 5463 763 0 D allproc 0xffffffff83001980 syz-executor 5637 5045 763 0 R syz-executor 5636 5463 763 0 D allproc 0xffffffff83001980 syz-executor 5635 5045 763 0 R syz-executor 5634 5463 763 0 D allproc 0xffffffff83001980 syz-executor 5633 5045 763 0 D allproc 0xffffffff83001980 syz-executor 5632 5461 763 0 D allproc 0xffffffff83001980 syz-executor 5631 5480 763 0 D allproc 0xffffffff83001980 syz-executor 5630 5461 763 0 D allproc 0xffffffff83001980 syz-executor 5629 5480 763 0 D allproc 0xffffffff83001980 syz-executor 5628 5461 763 0 D allproc 0xffffffff83001980 syz-executor 5627 5480 763 0 D allproc 0xffffffff83001980 syz-executor 5626 5460 763 0 R syz-executor 5625 5479 763 0 R syz-executor 5624 5460 763 0 R syz-executor 5623 5479 763 0 R syz-executor 5622 5479 763 0 R syz-executor 5621 5460 763 0 R syz-executor 5620 5479 763 0 R syz-executor 5619 5460 763 0 R syz-executor 5618 5479 763 0 R syz-executor 5617 5460 763 0 D allproc 0xffffffff83001980 syz-executor 5616 5479 763 0 R syz-executor 5615 5460 763 0 D allproc 0xffffffff83001980 syz-executor 5614 5479 763 0 D allproc 0xffffffff83001980 syz-executor 5613 5460 763 0 D allproc 0xffffffff83001980 syz-executor 5612 5479 763 0 D allproc 0xffffffff83001980 syz-executor 5611 5460 763 0 D allproc 0xffffffff83001980 syz-executor 5610 5478 763 0 R syz-executor 5609 5458 763 0 R syz-executor 5608 5458 763 0 R syz-executor 5607 5478 763 0 R syz-executor 5606 5458 763 0 R syz-executor 5605 5478 763 0 R syz-executor 5604 5458 763 0 R syz-executor 5603 5478 763 0 R syz-executor 5602 5458 763 0 D allproc 0xffffffff83001980 syz-executor 5601 5478 763 0 R syz-executor 5600 5458 763 0 D allproc 0xffffffff83001980 syz-executor 5599 5478 763 0 R syz-executor 5598 5458 763 0 D allproc 0xffffffff83001980 syz-executor 5597 5478 763 0 D allproc 0xffffffff83001980 syz-executor 5596 5458 763 0 R syz-executor 5595 5478 763 0 D allproc 0xffffffff83001980 syz-executor 5594 5456 763 0 R syz-executor 5593 5477 763 0 R syz-executor 5592 5456 763 serialport: VM disconnected.