SYZFAIL: failed to send rpc fd=3 want=248 sent=0 n=-1 (errno 32: Broken pipe) panic: pmap_san_enter_alloc_4k: no memory to grow shadow map cpuid = 1 time = 51 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0056d00bf0 kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0056d00d50 vpanic() at vpanic+0x257/frame 0xfffffe0056d00f10 panic() at panic+0xb5/frame 0xfffffe0056d00fd0 pmap_san_enter_alloc_4k() at pmap_san_enter_alloc_4k+0x4b/frame 0xfffffe0056d00ff0 pmap_san_enter() at pmap_san_enter+0x353/frame 0xfffffe0056d01030 kasan_shadow_map() at kasan_shadow_map+0x78/frame 0xfffffe0056d01050 pmap_growkernel() at pmap_growkernel+0xd1/frame 0xfffffe0056d010b0 vm_map_insert1() at vm_map_insert1+0x672/frame 0xfffffe0056d011f0 vm_map_find_locked() at vm_map_find_locked+0xa12/frame 0xfffffe0056d01360 vm_map_find() at vm_map_find+0xc7/frame 0xfffffe0056d013d0 kva_import() at kva_import+0xd4/frame 0xfffffe0056d014b0 vmem_try_fetch() at vmem_try_fetch+0x21e/frame 0xfffffe0056d01590 vmem_xalloc() at vmem_xalloc+0x538/frame 0xfffffe0056d01630 kva_alloc() at kva_alloc+0xaa/frame 0xfffffe0056d016e0 kcov_ioctl() at kcov_ioctl+0x92/frame 0xfffffe0056d01730 devfs_ioctl() at devfs_ioctl+0x266/frame 0xfffffe0056d01820 VOP_IOCTL_APV() at VOP_IOCTL_APV+0x87/frame 0xfffffe0056d01850 vn_ioctl() at vn_ioctl+0x3c7/frame 0xfffffe0056d01a60 devfs_ioctl_f() at devfs_ioctl_f+0x69/frame 0xfffffe0056d01ab0 kern_ioctl() at kern_ioctl+0x4ca/frame 0xfffffe0056d01b90 sys_ioctl() at sys_ioctl+0x36e/frame 0xfffffe0056d01d10 amd64_syscall() at amd64_syscall+0x4e2/frame 0xfffffe0056d01f30 fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0056d01f30 --- syscall (54, FreeBSD ELF64, ioctl), rip = 0x3a4fba, rsp = 0x820a5fef8, rbp = 0x820a5ff10 --- KDB: enter: panic [ thread pid 4688 tid 100100 ] Stopped at kdb_enter+0x6e: movq $0,0x259ef57(%rip) 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 0xffffffff82804960 .str.27 rsp 0xfffffe0056d00d30 rbp 0xfffffe0056d00d50 rsi 0 rdi 0xffffffff81642109 printf+0x149 r8 0 r9 0xffffffff r10 0x7 r11 0x4 r12 0xfffffe00540e6780 r13 0xfffffffffffffffd --More-- r14 0xffffffff82804960 .str.27 r15 0 rip 0xffffffff8162bc3e kdb_enter+0x6e rflags 0x46 kdb_enter+0x6e: movq $0,0x259ef57(%rip) db> proc No such command; use "help" to list available commands db> ps pid ppid pgrp uid state wmesg wchan cmd 4819 4713 1152 0 N syz-executor 4818 4719 1152 0 N syz-executor 4817 4603 1152 0 N syz-executor 4816 4677 1152 0 N syz-executor 4815 4815 0 0 N syz-executor 4814 4724 1152 0 N syz-executor 4813 4581 1152 0 N syz-executor 4812 4678 1152 0 N syz-executor 4811 4692 1152 0 N syz-executor 4810 4697 1152 0 N syz-executor 4809 4597 1152 0 N syz-executor 4808 4695 1152 0 N syz-executor 4807 4666 1152 0 N syz-executor 4806 4621 1152 0 N syz-executor 4805 4650 1152 0 N syz-executor 4804 4598 1152 0 N syz-executor 4803 4643 1152 0 N syz-executor 4802 4637 1152 0 N syz-executor 4801 4630 1152 0 N syz-executor --More-- 4800 4615 1152 0 N syz-executor 4799 4610 1152 0 N syz-executor 4798 4608 1152 0 N syz-executor 4797 4583 1152 0 N syz-executor 4796 4572 1152 0 N syz-executor 4795 4577 1152 0 N syz-executor 4794 4619 1152 0 N syz-executor 4793 4625 1152 0 N syz-executor 4792 4726 1152 0 N syz-executor 4791 4696 1152 0 N syz-executor 4790 4671 1152 0 N syz-executor 4789 4711 1152 0 N syz-executor 4788 4725 1152 0 N syz-executor 4787 4723 1152 0 N syz-executor 4786 4714 1152 0 N syz-executor 4785 4669 1152 0 N syz-executor 4784 4700 1152 0 N syz-executor 4783 4690 1152 0 N syz-executor 4782 4689 1152 0 N syz-executor 4781 4682 1152 0 N syz-executor --More-- 4780 4668 1152 0 N syz-executor 4779 4680 1152 0 N syz-executor 4778 4720 1152 0 N syz-executor 4777 4375 1152 0 N syz-executor 4776 4673 1152 0 N syz-executor 4775 4627 1152 0 N syz-executor 4774 4660 1152 0 N syz-executor 4773 4645 1152 0 N syz-executor 4772 4641 1152 0 N syz-executor 4771 4638 1152 0 N syz-executor 4770 4676 1152 0 N syz-executor 4769 4629 1152 0 N syz-executor 4768 4717 1152 0 N syz-executor 4767 4691 1152 0 N syz-executor 4766 4632 1152 0 N syz-executor 4765 4732 1152 0 N syz-executor 4764 4728 1152 0 N syz-executor 4763 4741 1152 0 N syz-executor 4762 4759 1152 0 N syz-executor 4761 4730 1152 0 N syz-executor --More-- 4760 681 0 0 NE sshd --More-- 4759 4726 1152 0 DL vmwait 0xffffffff83003480 syz-executor 4758 4750 1152 0 N syz-executor 4757 4744 1152 0 N syz-executor 4756 3355 1152 0 N syz-executor 4755 4736 1152 0 N syz-executor 4754 4751 1152 0 N syz-executor 4753 4748 1152 0 N syz-executor 4752 4743 1152 0 D pfault 0xffffffff83003480 syz-executor 4751 4746 1152 0 DL vmwait 0xffffffff83003480 syz-executor 4750 3355 1152 0 DL vmwait 0xffffffff83003480 syz-executor 4749 4740 1152 0 D pfault 0xffffffff83003480 syz-executor 4748 3355 1152 0 DL vmwait 0xffffffff83003480 syz-executor 4747 4737 1152 0 N syz-executor 4746 3355 1152 0 D fork 0xffffffff82809040 syz-executor 4745 4734 1152 0 D pfault 0xffffffff83003480 syz-executor 4744 4741 1152 0 DL vmwait 0xffffffff83003480 syz-executor 4743 4733 1152 0 D pfault 0xffffffff83003480 syz-executor 4742 4739 1152 0 D pfault 0xffffffff83003480 syz-executor 4741 3355 1152 0 DL vmwait 0xffffffff83003480 syz-executor 4740 4729 1152 0 D pfault 0xffffffff83003480 syz-executor --More-- 4739 4734 1152 0 D pfault 0xffffffff83003480 syz-executor --More-- 4738 4722 1152 0 D pfault 0xffffffff83003480 syz-executor 4737 4732 1152 0 DL vmwait 0xffffffff83003480 syz-executor 4736 4730 1152 0 DL vmwait 0xffffffff83003480 syz-executor 4735 4731 1152 0 D pfault 0xffffffff83003480 syz-executor 4734 4729 1152 0 D pfault 0xffffffff83003480 syz-executor 4733 3355 1152 0 R syz-executor 4732 4728 1152 0 DL vmwait 0xffffffff83003480 syz-executor 4731 4727 1152 0 D pfault 0xffffffff83003480 syz-executor 4730 3355 1152 0 DL vmwait 0xffffffff83003480 syz-executor 4729 4727 1152 0 D fork 0xffffffff82809040 syz-executor 4728 3355 1152 0 DL vmwait 0xffffffff83003480 syz-executor 4727 3355 1152 0 D fork 0xffffffff82809041 syz-executor 4726 4722 1152 0 DL vmwait 0xffffffff83003480 syz-executor 4725 4706 1152 0 DL vmwait 0xffffffff83003480 syz-executor 4724 4717 1152 0 DL vmwait 0xffffffff83003480 syz-executor 4723 4719 1152 0 DL vmwait 0xffffffff83003480 syz-executor 4722 4717 1152 0 D pfault 0xffffffff83003480 syz-executor 4721 4693 1152 0 R syz-executor 4720 4693 1152 0 DL vmwait 0xffffffff83003480 syz-executor 4719 4713 1152 0 DL vmwait 0xffffffff83003480 syz-executor --More-- 4718 4712 1152 0 R syz-executor --More-- 4717 4693 1152 0 DL vmwait 0xffffffff83003480 syz-executor 4716 4603 1152 0 R syz-executor 4715 4701 1152 0 R syz-executor 4714 4701 1152 0 DL vmwait 0xffffffff83003480 syz-executor 4713 4712 1152 0 DL vmwait 0xffffffff83003480 syz-executor 4712 4696 1152 0 R syz-executor 4711 4625 1152 0 DL vmwait 0xffffffff83003480 syz-executor 4710 4710 0 0 N syz-executor 4709 4705 1152 0 R syz-executor 4708 4705 1152 0 R syz-executor 4707 4705 1152 0 R syz-executor 4706 4616 1152 0 R syz-executor 4705 4701 1152 0 R syz-executor 4704 4678 1152 0 R syz-executor 4703 4669 1152 0 R syz-executor 4702 4692 1152 0 R syz-executor 4701 4700 1152 0 R syz-executor 4700 4678 1152 0 DL vmwait 0xffffffff83003480 syz-executor 4699 4697 1152 0 D pfault 0xffffffff83003480 syz-executor 4698 4597 1152 0 D pfault 0xffffffff83003480 syz-executor --More-- 4697 4690 1152 0 DL vmwait 0xffffffff83003480 syz-executor 4696 4603 1152 0 DL vmwait 0xffffffff83003480 syz-executor 4695 4679 1152 0 DL vmwait 0xffffffff83003480 syz-executor 4694 4666 1152 0 R syz-executor 4693 4599 1152 0 R syz-executor 4692 4679 1152 0 DL vmwait 0xffffffff83003480 syz-executor 4691 4597 1152 0 DL vmwait 0xffffffff83003480 syz-executor 4690 4689 1152 0 DL vmwait 0xffffffff83003480 syz-executor 4689 4682 1152 0 DL vmwait 0xffffffff83003480 syz-executor 4688 1 4688 0 R CPU 1 syz-executor 4687 1 4687 0 D vmwait 0xffffffff83003480 syz-executor 4686 4675 1152 0 R syz-executor 4685 4675 1152 0 D fork 0xffffffff82809040 syz-executor 4684 4668 1152 0 D pfault 0xffffffff83003480 syz-executor 4683 4656 1152 0 R syz-executor 4682 4675 1152 0 DL vmwait 0xffffffff83003480 syz-executor 4681 4656 1152 0 D fork 0xffffffff82809040 syz-executor 4680 4628 1152 0 DL vmwait 0xffffffff83003480 syz-executor 4679 4628 1152 0 R syz-executor 4678 4628 1152 0 DL vmwait 0xffffffff83003480 syz-executor --More-- 4677 4592 1152 0 DL vmwait 0xffffffff83003480 syz-executor --More--