shared linking fix
MODIFY
dynamic_list.txt
dynamic_list.txt
"__afl_auto_init";
"__afl_area_initial";
"__afl_prev_loc";
+ "__afl_prev_caller";
+ "__afl_prev_ctx";
+ "__afl_final_loc";
+ "__afl_map_addr";
+ "__afl_dictionary";
+ "__afl_dictionary_len";
+ "__afl_selective_coverage";
+ "__afl_selective_coverage_start_off";
+ "__afl_selective_coverage_temp;"
+ "__afl_coverage_discard";
+ "__afl_coverage_skip";
+ "__afl_coverage_on";
+ "__afl_coverage_off";
+ "__afl_coverage_interesting";
+ "__afl_fuzz_len";
+ "__afl_fuzz_ptr";
"__sanitizer_cov_trace_pc_guard";
"__sanitizer_cov_trace_pc_guard_init";
};

MODIFY
src/afl-cc.c
src/afl-cc.c
@@ -682,17 +682,42 @@ static void edit_params(u32 argc, char **argv, char **envp) {
/* Detect stray -v calls from ./configure scripts. */
+ u8 skip_next = 0;
while (--argc) {
u8 *cur = *(++argv);
+ if (skip_next) {
+
+ skip_next = 0;
+ continue;
+
+ }
+
if (!strncmp(cur, "--afl", 5)) continue;
if (lto_mode && !strncmp(cur, "-fuse-ld=", 9)) continue;
if (lto_mode && !strncmp(cur, "--ld-path=", 10)) continue;
if (!strncmp(cur, "-fno-unroll", 11)) continue;
if (strstr(cur, "afl-compiler-rt") || strstr(cur, "afl-llvm-rt")) continue;
- if (!strcmp(cur, "-Wl,-z,defs") || !strcmp(cur, "-Wl,--no-undefined"))
+ if (!strcmp(cur, "-Wl,-z,defs") || !strcmp(cur, "-Wl,--no-undefined") ||
+ !strcmp(cur, "--no-undefined")) {
+
+ continue;
+
+ }
+
+ if (!strcmp(cur, "-z")) {
+
+ u8 *param = *(argv + 1);
+ if (!strcmp(param, "defs")) {
+
+ skip_next = 1;
continue;
+
+ }
+
+ }
+
if (!strncmp(cur, "-fsanitize=fuzzer-", strlen("-fsanitize=fuzzer-")) ||
!strncmp(cur, "-fsanitize-coverage", strlen("-fsanitize-coverage"))) {
@@ -1015,7 +1040,7 @@ static void edit_params(u32 argc, char **argv, char **envp) {
}
#if !defined(__APPLE__) && !defined(__sun)
- if (!shared_linking)
+ if (shared_linking)
cc_params[cc_par_cnt++] =
alloc_printf("-Wl,--dynamic-list=%s/dynamic_list.txt", obj_path);
#endif

shared linking fix