panic: pmap_san_enter_alloc_4k: no memory to grow shadow map cpuid = 0 time = 55 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe00575577b0 kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0057557910 vpanic() at vpanic+0x257/frame 0xfffffe0057557ad0 panic() at panic+0xb5/frame 0xfffffe0057557b90 pmap_san_enter_alloc_4k() at pmap_san_enter_alloc_4k+0x4b/frame 0xfffffe0057557bb0 pmap_san_enter() at pmap_san_enter+0x356/frame 0xfffffe0057557bf0 kasan_shadow_map() at kasan_shadow_map+0x98/frame 0xfffffe0057557c10 pmap_growkernel() at pmap_growkernel+0xd7/frame 0xfffffe0057557c70 vm_map_insert1() at vm_map_insert1+0x68e/frame 0xfffffe0057557db0 vm_map_find_locked() at vm_map_find_locked+0xa6f/frame 0xfffffe0057557f20 vm_map_find() at vm_map_find+0xcb/frame 0xfffffe0057557f90 kva_import() at kva_import+0xd4/frame 0xfffffe0057558070 vmem_try_fetch() at vmem_try_fetch+0x21e/frame 0xfffffe0057558150 vmem_xalloc() at vmem_xalloc+0x54c/frame 0xfffffe0057558200 kva_import_domain() at kva_import_domain+0x5f/frame 0xfffffe0057558250 vmem_try_fetch() at vmem_try_fetch+0x21e/frame 0xfffffe0057558340 vmem_xalloc() at vmem_xalloc+0x54c/frame 0xfffffe00575583f0 vmem_alloc() at vmem_alloc+0xfe/frame 0xfffffe0057558450 kmem_malloc_domainset() at kmem_malloc_domainset+0x17e/frame 0xfffffe0057558590 keg_alloc_slab() at keg_alloc_slab+0x1f1/frame 0xfffffe00575586b0 zone_import() at zone_import+0x2d9/frame 0xfffffe00575588a0 cache_alloc() at cache_alloc+0x7e5/frame 0xfffffe0057558970 cache_alloc_retry() at cache_alloc_retry+0x35/frame 0xfffffe00575589b0 vm_map_entry_create() at vm_map_entry_create+0xa8/frame 0xfffffe00575589d0 vmspace_fork() at vmspace_fork+0x9ac/frame 0xfffffe0057558af0 fork1() at fork1+0xb36/frame 0xfffffe0057558c10 sys_fork() at sys_fork+0xe3/frame 0xfffffe0057558d10 ia32_syscall() at ia32_syscall+0x488/frame 0xfffffe0057558f30 int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0xdfffcf98 KDB: enter: panic [ thread pid 1595 tid 101282 ] Stopped at kdb_enter+0x6e: movq $0,0x23eb8c7(%rip) db> db> set $lines = 0 db> set $maxwidth = 0 db> show registers cs 0x20 ds 0x3b es 0x3b fs 0x13 gs 0x1b ss 0 rax 0x12 rcx 0xfffffe00033eee30 rdx 0 rbx 0xffffffff82728720 .str.27 rsp 0xfffffe00575578f0 rbp 0xfffffe0057557910 rsi 0 rdi 0xffffffff815d0e69 printf+0x149 r8 0 r9 0xffffffff r10 0 r11 0x3f r12 0xfffffe0076656740 r13 0xfffffffffffffffe r14 0xffffffff82728720 .str.27 r15 0 rip 0xffffffff815ba74e kdb_enter+0x6e rflags 0x46 kdb_enter+0x6e: movq $0,0x23eb8c7(%rip) db> show proc Process 1595 (syz-executor) at 0xfffffe0076650ac0: state: NORMAL uid: 0 gids: 0, 0, 5 parent: pid 1546 at 0xfffffe005bbb75a0 ABI: FreeBSD ELF32 flag: 0x10000020 flag2: 0 arguments: ./syz-executor exec reaper: 0xfffffe0007a07040 reapsubtree: 1 sigparent: 20 vmspace: 0xfffffe0076639000 (map 0xfffffe0076639000) (map.pmap 0xfffffe00766390c0) (pmap 0xfffffe0076639130) threads: 1 101282 Run CPU 0 syz-executor db> ps pid ppid pgrp uid state wmesg wchan cmd 7067 7067 0 0 N syz-executor 7066 7066 0 0 N syz-executor 7065 7065 0 0 N syz-executor 7064 7064 0 0 N syz-executor 7063 7063 0 0 N syz-executor 7062 7062 0 0 N syz-executor 7061 7061 0 0 N syz-executor 7060 7060 0 0 N syz-executor 7059 7059 0 0 N syz-executor 7058 7058 0 0 N syz-executor 7057 7057 0 0 N syz-executor 7056 7056 0 0 N syz-executor 7055 7055 0 0 N syz-executor 7054 7054 0 0 N syz-executor 7053 7053 0 0 N syz-executor 7052 7052 0 0 N syz-executor 7051 7051 0 0 N syz-executor 7050 7050 0 0 N syz-executor 7049 7049 0 0 N syz-executor 7048 7048 0 0 N syz-executor 7047 7047 0 0 N syz-executor 7046 7046 0 0 N syz-executor 7045 7045 0 0 N syz-executor 7044 7044 0 0 N syz-executor 7043 7043 0 0 N syz-executor 7042 7042 0 0 N syz-executor 7041 7041 0 0 N syz-executor 7040 7040 0 0 N syz-executor 7039 7039 0 0 N syz-executor 7038 7038 0 0 N syz-executor 7037 7037 0 0 N syz-executor 7036 7036 0 0 N syz-executor 7035 7035 0 0 N syz-executor 7034 7034 0 0 N syz-executor 7033 7033 0 0 N syz-executor 7032 7032 0 0 N syz-executor 7031 7031 0 0 N syz-executor 7030 7030 0 0 N syz-executor 7029 7029 0 0 N syz-executor 7028 7028 0 0 N syz-executor 7027 7027 0 0 N syz-executor 7026 7026 0 0 N syz-executor 7025 7025 0 0 N syz-executor 7024 7024 0 0 N syz-executor 7023 7023 0 0 N syz-executor 7022 7022 0 0 N syz-executor 7021 7021 0 0 N syz-executor 7020 7020 0 0 N syz-executor 7019 7019 0 0 N syz-executor 7018 7018 0 0 N syz-executor 7017 7017 0 0 N syz-executor 7016 7016 0 0 N syz-executor 7015 7015 0 0 N syz-executor 7014 7014 0 0 N syz-executor 7013 7013 0 0 N syz-executor 7012 7012 0 0 N syz-executor 7011 7011 0 0 N syz-executor 7010 7010 0 0 N syz-executor 7009 7009 0 0 N syz-executor 7008 7008 0 0 N syz-executor 7007 7007 0 0 N syz-executor 7006 7006 0 0 N syz-executor 7005 7005 0 0 N syz-executor 7004 7004 0 0 N syz-executor 7003 7003 0 0 N syz-executor 7002 7002 0 0 N syz-executor 7001 7001 0 0 N syz-executor 7000 7000 0 0 N syz-executor 6999 6999 0 0 N syz-executor 6998 6998 0 0 N syz-executor 6997 6997 0 0 N syz-executor 6996 6996 0 0 N syz-executor 6995 6995 0 0 N syz-executor 6994 6994 0 0 N syz-executor 6993 6993 0 0 N syz-executor 6992 6992 0 0 N syz-executor 6991 6991 0 0 N syz-executor 6990 6990 0 0 N syz-executor 6989 6989 0 0 N syz-executor 6988 6988 0 0 N syz-executor 6987 6987 0 0 N syz-executor 6986 6986 0 0 N syz-executor 6985 6985 0 0 N syz-executor 6984 6984 0 0 N syz-executor 6983 6983 0 0 N syz-executor 6982 6982 0 0 N syz-executor 6981 6981 0 0 N syz-executor 6980 6980 0 0 N syz-executor 6979 6979 0 0 N syz-executor 6978 6978 0 0 N syz-executor 6977 6977 0 0 N syz-executor 6976 6976 0 0 N syz-executor 6975 6975 0 0 N syz-executor 6974 6974 0 0 N syz-executor 6973 6973 0 0 N syz-executor 6972 6972 0 0 N syz-executor 6971 6971 0 0 N syz-executor 6970 6970 0 0 N syz-executor 6969 6969 0 0 N syz-executor 6968 6968 0 0 N syz-executor 6967 6967 0 0 N syz-executor 6966 6966 0 0 N syz-executor 6965 6965 0 0 N syz-executor 6964 6964 0 0 N syz-executor 6963 6963 0 0 N syz-executor 6962 6962 0 0 N syz-executor 6961 6961 0 0 N syz-executor 6960 6960 0 0 N syz-executor 6959 6959 0 0 N syz-executor 6958 6958 0 0 N syz-executor 6957 6957 0 0 N syz-executor 6956 6956 0 0 N syz-executor 6955 6955 0 0 N syz-executor 6954 6954 0 0 N syz-executor 6953 6953 0 0 N syz-executor 6952 6952 0 0 N syz-executor 6951 6951 0 0 N syz-executor 6950 6950 0 0 N syz-executor 6949 6949 0 0 N syz-executor 6948 6948 0 0 N syz-executor 6947 1676 765 0 N syz-executor 6946 6946 0 0 N syz-executor 6945 6945 0 0 N syz-executor 6944 6944 0 0 N syz-executor 6943 6943 0 0 N syz-executor 6942 6942 0 0 N syz-executor 6941 6941 0 0 N syz-executor 6940 6940 0 0 N syz-executor 6939 6939 0 0 N syz-executor 6938 6938 0 0 N syz-executor 6937 6937 0 0 N syz-executor 6936 6936 0 0 N syz-executor 6935 6935 0 0 N syz-executor 6934 6934 0 0 N syz-executor 6933 6933 0 0 N syz-executor 6932 6932 0 0 N syz-executor 6931 6931 0 0 N syz-executor 6930 6930 0 0 N syz-executor 6929 6929 0 0 N syz-executor 6928 6928 0 0 N syz-executor 6927 6927 0 0 N syz-executor 6926 6926 0 0 N syz-executor 6925 6925 0 0 N syz-executor 6924 6924 0 0 N syz-executor 6923 6923 0 0 N syz-executor 6922 6922 0 0 N syz-executor 6921 6921 0 0 N syz-executor 6920 6920 0 0 N syz-executor 6919 6919 0 0 N syz-executor 6918 6918 0 0 N syz-executor 6917 6917 0 0 N syz-executor 6916 6916 0 0 N syz-executor 6915 6915 0 0 N syz-executor 6914 6914 0 0 N syz-executor 6913 6913 0 0 N syz-executor 6912 6912 0 0 N syz-executor 6911 1555 765 0 N syz-executor 6910 1776 765 0 N syz-executor 6909 3130 765 0 N syz-executor 6902 3401 765 0 N syz-executor 6908 1584 765 0 N syz-executor 6907 3127 765 0 N syz-executor 6906 4041 765 0 N syz-executor 6905 1696 765 0 N syz-executor 6904 4125 765 0 N syz-executor 6903 2082 765 0 N syz-executor 6901 3388 765 0 N syz-executor 6900 3048 765 0 N syz-executor 6899 1581 765 0 N syz-executor 6898 1534 765 0 N syz-executor 6897 2304 765 0 N syz-executor 6896 3410 765 0 N syz-executor 6895 2507 765 0 N syz-executor 6894 1675 765 0 N syz-executor 6893 2067 765 0 N syz-executor 6892 6892 0 0 N syz-executor 6891 1657 765 0 N syz-executor 6890 1655 765 0 N syz-executor 6889 1653 765 0 N syz-executor 6888 2942 765 0 N syz-executor 6887 2923 765 0 N syz-executor 6886 1642 765 0 N syz-executor 6885 1638 765 0 N syz-executor 6884 1634 765 0 N syz-executor 6883 1620 765 0 N syz-executor 6882 1621 765 0 N syz-executor 6881 1617 765 0 N syz-executor 6880 1612 765 0 N syz-executor 6879 1616 765 0 N syz-executor 6878 1614 765 0 N syz-executor 6877 1609 765 0 N syz-executor 6876 1601 765 0 N syz-executor 6875 1607 765 0 N syz-executor 6874 1588 765 0 N syz-executor 6873 1591 765 0 N syz-executor 6872 1592 765 0 N syz-executor 6871 1705 765 0 N syz-executor 6870 2349 765 0 N syz-executor 6869 3544 765 0 N syz-executor 6868 1563 765 0 N syz-executor 6867 2435 765 0 D pfault 0xffffffff82e07700 syz-executor 6866 2518 765 0 D pfault 0xffffffff82e07700 syz-executor 6865 1580 765 0 D pfault 0xffffffff82e07700 syz-executor 6864 1521 765 0 D fork 0xffffffff8272d960 syz-executor 6863 1514 765 0 D fork