SCARINESS: 10 (null-deref)
    #0 0x7f9f4c611ad2  (/lib/x86_64-linux-gnu/libc.so.6+0x89ad2)
    #1 0x4bea94 in __interceptor_index /src/llvm/projects/compiler-rt/lib/asan/../sanitizer_common/sanitizer_common_interceptors.inc
    #2 0x5fafc1 in cil_fill_ipaddr /src/selinux/src/../cil/src/cil_build_ast.c:5683:6
    #3 0x5fa4a4 in cil_gen_nodecon /src/selinux/src/../cil/src/cil_build_ast.c:4511:8
    #4 0x611be7 in __cil_build_ast_node_helper /src/selinux/src/../cil/src/cil_build_ast.c:6414:8
    #5 0x6a68e0 in cil_tree_walk_core /src/selinux/src/../cil/src/cil_tree.c:272:9
    #6 0x6a6e91 in cil_tree_walk /src/selinux/src/../cil/src/cil_tree.c:316:7
    #7 0x6a6ac4 in cil_tree_walk_core /src/selinux/src/../cil/src/cil_tree.c:284:9
    #8 0x6a6e91 in cil_tree_walk /src/selinux/src/../cil/src/cil_tree.c:316:7
    #9 0x6a6ac4 in cil_tree_walk_core /src/selinux/src/../cil/src/cil_tree.c:284:9
    #10 0x6a6e91 in cil_tree_walk /src/selinux/src/../cil/src/cil_tree.c:316:7
    #11 0x614793 in cil_build_ast /src/selinux/src/../cil/src/cil_build_ast.c:6575:7
    #12 0x57fe0e in cil_compile /src/selinux/src/../cil/src/cil.c:565:7
    #13 0x553e4e in LLVMFuzzerTestOneInput /src/secilc-fuzzer.c:59:6
    #14 0x459e51 in fuzzer::Fuzzer::ExecuteCallback(unsigned char const*, unsigned long) /src/llvm/projects/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:556:15
    #15 0x444a71 in fuzzer::RunOneTest(fuzzer::Fuzzer*, char const*, unsigned long) /src/llvm/projects/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:292:6
    #16 0x44a72e in fuzzer::FuzzerDriver(int*, char***, int (*)(unsigned char const*, unsigned long)) /src/llvm/projects/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:774:9
    #17 0x4748a2 in main /src/llvm/projects/compiler-rt/lib/fuzzer/FuzzerMain.cpp:19:10
    #18 0x7f9f4c5a882f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)
    #19 0x41de28 in _start (/out/secilc-fuzzer+0x41de28)