panic: pmap_san_enter_alloc_4k: no memory to grow shadow map cpuid = 1 time = 1752757033 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0088374750 kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe00883748b0 vpanic() at vpanic+0x257/frame 0xfffffe0088374a70 panic() at panic+0xb5/frame 0xfffffe0088374b30 pmap_san_enter_alloc_4k() at pmap_san_enter_alloc_4k+0x4b/frame 0xfffffe0088374b50 pmap_san_enter() at pmap_san_enter+0x356/frame 0xfffffe0088374b90 kasan_shadow_map() at kasan_shadow_map+0x88/frame 0xfffffe0088374bb0 pmap_growkernel() at pmap_growkernel+0xd1/frame 0xfffffe0088374c10 vm_map_insert1() at vm_map_insert1+0x672/frame 0xfffffe0088374d50 vm_map_find_locked() at vm_map_find_locked+0xa12/frame 0xfffffe0088374ec0 vm_map_find() at vm_map_find+0xc7/frame 0xfffffe0088374f30 kva_import() at kva_import+0xd4/frame 0xfffffe0088375010 vmem_try_fetch() at vmem_try_fetch+0x21e/frame 0xfffffe0088375100 vmem_xalloc() at vmem_xalloc+0x538/frame 0xfffffe00883751a0 kva_import_domain() at kva_import_domain+0x5f/frame 0xfffffe00883751f0 vmem_try_fetch() at vmem_try_fetch+0x21e/frame 0xfffffe00883752e0 vmem_xalloc() at vmem_xalloc+0x538/frame 0xfffffe0088375380 vm_thread_kstack_arena_import() at vm_thread_kstack_arena_import+0x9e/frame 0xfffffe00883753f0 vmem_try_fetch() at vmem_try_fetch+0x21e/frame 0xfffffe00883754d0 vmem_xalloc() at vmem_xalloc+0x538/frame 0xfffffe0088375570 vmem_alloc() at vmem_alloc+0xfe/frame 0xfffffe00883755d0 vm_thread_stack_create() at vm_thread_stack_create+0x2a5/frame 0xfffffe0088375900 kstack_import() at kstack_import+0x9b/frame 0xfffffe0088375950 zone_alloc_item() at zone_alloc_item+0x16a/frame 0xfffffe0088375a40 vm_thread_new() at vm_thread_new+0x91/frame 0xfffffe0088375ab0 thread_alloc() at thread_alloc+0x72/frame 0xfffffe0088375af0 fork1() at fork1+0xad6/frame 0xfffffe0088375c10 sys_fork() at sys_fork+0xe3/frame 0xfffffe0088375d10 amd64_syscall() at amd64_syscall+0x4e2/frame 0xfffffe0088375f30 fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0088375f30 --- syscall (198, FreeBSD ELF64, __syscall), rip = 0x3a1afa, rsp = 0x826f76f08, rbp = 0x826f76f80 --- KDB: enter: panic [ thread pid 5079 tid 105214 ] Stopped at kdb_enter+0x6e: movq $0,0x25c3b67(%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 0xffffffff827be6c0 .str.27 rsp 0xfffffe0088374890 rbp 0xfffffe00883748b0 rsi 0 rdi 0xffffffff81611af9 printf+0x149 r8 0 r9 0xffffffff r10 0x7 r11 0x4 r12 0xfffffe008901d780 r13 0xfffffffffffffffd r14 0xffffffff827be6c0 .str.27 r15 0 rip 0xffffffff815fb62e kdb_enter+0x6e rflags 0x46 kdb_enter+0x6e: movq $0,0x25c3b67(%rip) db> show proc Process 5079 (syz-executor) at 0xfffffe0089017560: state: NORMAL uid: 0 gids: 0, 0, 5 parent: pid 3136 at 0xfffffe0080de5040 ABI: FreeBSD ELF64 flag: 0x10000000 flag2: 0 arguments: ./syz-executor exec reaper: 0xfffffe0007809040 reapsubtree: 1 sigparent: 20 vmspace: 0xfffffe008900ddb0 (map 0xfffffe008900ddb0) (map.pmap 0xfffffe008900de50) (pmap 0xfffffe008900dec0) threads: 1 105214 Run CPU 1 syz-executor db> ps pid ppid pgrp uid state wmesg wchan cmd 7963 2726 766 0 N syz-executor 7962 2691 766 0 N syz-executor 7961 2797 766 0 N syz-executor 7960 1330 766 0 N syz-executor 7959 2216 766 0 N syz-executor 7958 2291 766 0 N syz-executor 7957 3055 766 0 N syz-executor 7956 5301 766 0 N syz-executor 7955 1749 766 0 N syz-executor 7954 1185 766 0 N syz-executor 7953 2922 766 0 N syz-executor 7952 3524 766 0 N syz-executor 7951 3009 766 0 N syz-executor 7950 2612 766 0 N syz-executor 7949 1423 766 0 N syz-executor 7948 2304 766 0 N syz-executor 7947 2032 766 0 N syz-executor 7946 1708 766 0 N syz-executor 7945 2986 766 0 N syz-executor 7944 2708 766 0 N syz-executor 7943 5044 766 0 N syz-executor 7942 2846 766 0 N syz-executor 7941 2643 766 0 N syz-executor 7940 2024 766 0 N syz-executor 7939 2084 766 0 N syz-executor 7938 1884 766 0 N syz-executor 7937 2133 766 0 N syz-executor 7936 3236 766 0 N syz-executor 7935 2633 766 0 N syz-executor 7934 1828 766 0 N syz-executor 7933 2569 766 0 N syz-executor 7932 1910 766 0 N syz-executor 7931 4785 766 0 N syz-executor 7930 1368 766 0 N syz-executor 7929 4787 766 0 N syz-executor 7928 5600 766 0 N syz-executor 7927 1521 766 0 N syz-executor 7926 5640 766 0 N syz-executor 7925 2826 766 0 N syz-executor 7924 2665 766 0 D pfault 0xffffffff83003480 syz-executor 7923 2665 766 0 D pfault 0xffffffff83003480 syz-executor 7922 2665 766 0 D pfault 0xffffffff83003480 syz-executor 7921 2665 766 0 D pfault 0xffffffff83003480 syz-executor 7920 2665 766 0 D pfault 0xffffffff83003480 syz-executor 7919 2822 766 0 N syz-executor 7918 1473 766 0 N syz-executor 7917 5258 766 0 N syz-executor 7916 2109 766 0 N syz-executor 7915 2531 766 0 N syz-executor 7914 7757 766 0 N syz-executor 7913 6325 766 0 N syz-executor 7912 6313 766 0 N syz-executor 7911 6311 766 0 N syz-executor 7910 7910 0 0 N syz-executor 7909 3542 766 0 N syz-executor 7908 3538 766 0 N syz-executor 7907 3533 766 0 N syz-executor 7906 3529 766 0 N syz-executor 7905 3522 766 0 N syz-executor 7904 3505 766 0 N syz-executor 7903 3500 766 0 N syz-executor 7902 3487 766 0 N syz-executor 7901 3479 766 0 N syz-executor 7900 3472 766 0 N syz-executor 7899 3466 766 0 N syz-executor 7898 3456 766 0 N syz-executor 7897 3452 766 0 N syz-executor 7896 3416 766 0 N syz-executor 7895 3408 766 0 N syz-executor 7894 3400 766 0 N syz-executor 7893 3388 766 0 N syz-executor 7892 3380 766 0 N syz-executor 7891 3373 766 0 N syz-executor 7890 3368 766 0 N syz-executor 7889 3360 766 0 N syz-executor 7888 4201 766 0 N syz-executor 7887 3277 766 0 N syz-executor 7886 3269 766 0 N syz-executor 7885 3262 766 0 N syz-executor 7884 3254 766 0 N syz-executor 7883 3248 766 0 N syz-executor 7882 3241 766 0 D pfault 0xffffffff83003480 syz-executor 7881 3232 766 0 D pfault 0xffffffff83003480 syz-executor 7880 3225 766 0 D pfault 0xffffffff83003480 syz-executor 7879 3218 766 0 D pfault 0xffffffff83003480 syz-executor 7878 3211 766 0 D pfault 0xffffffff83003480 syz-executor 7877 3205 766 0 D pfault 0xffffffff83003480 syz-executor 7876 2586 766 0 D pfault 0xffffffff83003480 syz-executor 7875 3080 766 0 D pfault 0xffffffff83003480 syz-executor 7874 4138 766 0 D pfault 0xffffffff83003480 syz-executor 7873 4133 766 0 D pfault 0xffffffff83003480 syz-executor 7872 4427 766 0 D pfault 0xffffffff83003480 syz-executor 7871 4116 766 0 D pfault 0xffffffff83003480 syz-executor 7870 4107 766 0 D pfault 0xffffffff83003480 syz-executor 7869 4101 766 0 D pfault 0xffffffff83003480 syz-executor 7868 4097 766 0 D pfault 0xffffffff83003480 syz-executor 7867 4092 766 0 D pfault 0xffffffff83003480 syz-executor 7866 3763 766 0 D pfault 0xffffffff83003480 syz-executor 7865 3757 766 0 D pfault 0xffffffff83003480 syz-executor 7864 3743 766 0 D pfault 0xffffffff83003480 syz-executor 7863 3972 766 0 D pfault 0xffffffff83003480 syz-executor 7862 3720 766 0 D pfault 0xffffffff83003480 syz-executor 7861 3714 766 0 D pfault 0xffffffff83003480 syz-executor 7860 3706 766 0 D pfault 0xffffffff83003480 syz-executor 7859 2334 766 0 D pfault 0xffffffff83003480 syz-executor 7858 4440 766 0 D pfault 0xffffffff83003480 syz-executor 7857 5063 766 0 D pfault 0xffffffff83003480 syz-executor 7856 2999 766 0 D pfault 0xffffffff83003480 syz-executor 7855 5140 766 0 D pfault 0xffffffff83003480 syz-executor 7854 2208 766 0 D pfault 0xffffffff83003480 syz-executor 7853 5065 766 0 D pfault 0xffffffff83003480 syz-executor 7852 4905 766 0 D pfault 0xffffffff83003480 syz-executor 7851 2295 766 0 D pfault 0xffffffff83003480 syz-executor 7850 2286 766 0 D pfault 0xffffffff83003480 syz-executor 7849 1677 766 0 D pfault 0xffffffff83003480 syz-executor 7848 2094 766 0 D pfault 0xffffffff83003480 syz-executor 7847 3319 766 0 D pfault 0xffffffff83003480 syz-executor 7846 1770 766 0 D pfault 0xffffffff83003480 syz-executor 7845 2356 766 0 D pfault 0xffffffff83003480 syz-executor 7844 1740 766 0 D pfault 0xffffffff83003480 syz-executor 7843 5163 766 0 D pfault 0xffffffff83003480 syz-executor 7842 1705 766 0 D pfault 0xffffffff83003480 syz-executor 7841 3222 766 0 D pfault 0xffffffff83003480 syz-executor 7840 1366 766 0 D pfault 0xffffffff83003480 syz-executor 7839 3247 766 0 D pfault 0xffffffff83003480 syz-executor 7838 7810 766 0 D pfault 0xffffffff83003480 syz-executor 7837 1837 766 0 D pfault 0xffffffff83003480 syz-executor 7836 7809 766 0 D pfault 0xffffffff83003480 syz-executor 7835 2027 766 0 D pfault 0xffffffff83003480 syz-executor 7834 7811 766 0 D pfault 0xffffffff83003480 syz-executor 7833 2893 766 0 D pfault 0xffffffff83003480 syz-executor 7832 3000 766 0 D pfault 0xffffffff83003480 syz-executor 7831 2756 766 0 D pfault 0xffffffff83003480 syz-executor 7830 7805 766 0 D pfault 0xffffffff83003480 syz-executor 7829 2482 766 0 D pfault 0xffffffff83003480 syz-executor 7828 7804 766 0 D pfault 0xffffffff83003480 syz-executor 7827 1767 766 0 D pfault 0xffffffff83003480 syz-executor 7826 7801 766 0 D pfault 0xffffffff83003480 syz-executor 7825 1305 766 0 D pfault 0xffffffff83003480 syz-executor 7824 7799 766 0 D pfault 0xffffffff83003480 syz-executor 7823 1280 766 0 D pfault 0xffffffff83003480 syz-executor 7822 7797 766 0 D pfault 0xffffffff83003480 syz-executor 7821 2750 766 0 D pfault 0xffffffff83003480 syz-executor 7820 7792 766 0 D pfault 0xffffffff83003480 syz-executor 7819 7807 766 0 D pfault 0xffffffff83003480 syz-executor 7818 1724 766 0 D pfault 0xffffffff83003480 syz-executor 7817 5527 766 0 D pfault 0xffffffff83003480 syz-executor 7816 2752 766 0 D pfault 0xffffffff83003480 syz-executor 7815 5511 766 0 D pfault 0xffffffff83003480 syz-executor 7814 2890 766 0 D pfault 0xffffffff83003480 syz-executor 7813 5488 766 0 D pfault 0xffffffff83003480 syz-executor 7812 1657 766 0 D pfault 0xffffffff83003480 syz-executor 7811 7808 766 0 D pfault 0xffffffff83003480 syz-executor 7810 7808 766 0 D pfault 0xffffffff83003480 syz-executor 7809 7805 766 0 D pfault 0xffffffff83003480 syz-executor 7808 7805 766 0 D pfault 0xffffffff83003480 syz-executor 7807 2750 766 0 D pfault 0xffffffff83003480 syz-executor 7806 2750 766 0 D pfault 0xffffffff83003480 syz-executor 7805 2750 766 0 D pfault 0xffffffff83003480 syz-executor 7804 2094 766 0 D pfault 0xffffffff83003480 syz-executor 7803 2094 766 0 D pfault 0xffffffff83003480 syz-executor 7802 7800 766 0 D pfault 0xffffffff83003480 syz-executor 7801 7800 766 0 D pfault 0xffffffff83003480 syz-executor 7800 7795 766 0 D pfault 0xffffffff83003480 syz-executor 7799 7794 766 0 D pfault 0xffffffff83003480 syz-executor 7798 7794 766 0 D pfault 0xffffffff83003480 syz-executor 7797 7793 766 0 D pfault 0xffffffff83003480 syz-executor 7796 7793 766 0 D pfault 0xffffffff83003480 syz-executor 7795 2094 766 0 D pfault 0xffffffff83003480 syz-executor 7794 2094 766 0 D pfault 0xffffffff83003480 syz-executor 7793 2094 766 0 D pfault 0xffffffff83003480 syz-executor 7792 2094 766 0 D pfault 0xffffffff83003480 syz-executor 7791 3702 766 0 N syz-executor 7790 3696 766 0 N syz-executor 7789 3686 766 0 D pfault 0xffffffff83003480 syz-executor 7788 3682 766 0 N syz-executor 7787 3678 766 0 N syz-executor 7786 3673 766 0 N syz-executor 7785 3668 766 0 N syz-executor 7784 3664 766 0 D pfault 0xffffffff83003480 syz-executor 7783 3660 766 0 N syz-executor 7782 3657 766 0 D pfault 0xffffffff83003480 syz-executor 7781 3651 766 0 N syz-executor 7780 3892 766 0 D pfault 0xffffffff83003480 syz-executor 7779 3882 766 0 D pfault 0xffffffff83003480 syz-executor 7778 3631 766 0 N syz-executor 7777 3627 766 0 D pfault 0xffffffff83003480 syz-executor 7776 3624 766 0 N syz-executor 7775 3619 766 0 D pfault 0xffffffff83003480 syz-executor 7774 3614 766 0 D pfault 0xffffffff83003480 syz-executor 7773 3610 766 0 N syz-executor 7772 1504 766 0 D pfault 0xffffffff83003480 syz-executor 7771 3604 766 0 N syz-executor 7770 3599 766 0 D pfault 0xffffffff83003480 syz-executor 7769 3598 766 0 D pfault 0xffffffff83003480 syz-executor 7768 3595 766 0 N syz-executor 7767 3591 766 0 N syz-executor 7766 3579 766 0 N syz-executor 7765 3584 766 0 D pfault 0xffffffff83003480 syz-executor 7764 3581 766 0 D pfault 0xffffffff83003480 syz-executor 7763 3578 766 0 D pfault 0xffffffff83003480 syz-executor 7762 3574 766 0 D pfault 0xffffffff83003480 syz-executor 7761 4756 766 0 D fork 0xffffffff827c3aa1 syz-executor 7760 3417 766 0 D fork 0xffffffff827c3aa1 syz-executor 7759 3415 766 0 D fork 0xffffffff827c3aa0 syz-executor 7758 3413 766 0 R syz-executor 7757 2424 766 0 DL vmwait 0xffffffff83003480 syz-executor 7443 3048 766 0 D pfault 0xffffffff83003480 syz-executor 7442 3043 766 0 D fork 0xffffffff827c3aa0 syz-executor 7441 3039 766 0 D pfault 0xffffffff83003480 syz-executor 7756 3068 766 0 D pfault 0xffffffff83003480 syz-executor 7755 5933 766 0 D fork 0xffffffff827c3aa1 syz-executor 7754 3815 766 0 D pfault 0xffffffff83003480 syz-executor 7753 3571 766 0 D pfault 0xffffffff83003480 syz-executor 7752 3568 766 0 D fork 0xffffffff827c3aa0 syz-executor 7751 3570 766 0 D fork 0xffffffff827c3aa1 syz-executor 7750 3045 766 0 D pfault 0xffffffff83003480 syz-executor 7749 3027 766 0 D fork 0xffffffff827c3aa1 syz-executor 7748 3566 766 0 D pfault 0xffffffff83003480 syz-executor 7747 3563 766 0 D pfault 0xffffffff83003480 syz-executor 7746 3061 766 0 D fork 0xffffffff827c3aa1 syz-executor 7745 3561 766 0 D pfault 0xffffffff83003480 syz-executor 7744 3056 766 0 D pfault 0xffffffff83003480 syz-executor 7743 3036 766 0 D fork 0xffffffserialport: VM disconnected.