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This commit is contained in:
van Hauser
2021-01-04 23:13:56 +01:00
parent d367b033a2
commit 6c095b3937
15 changed files with 63 additions and 46 deletions
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19
instrumentation/afl-compiler-rt.o.c
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@ -691,17 +691,26 @@ static void __afl_start_forkserver(void) {
void (*old_sigchld_handler)(int) = 0; // = signal(SIGCHLD, SIG_DFL); void (*old_sigchld_handler)(int) = 0; // = signal(SIGCHLD, SIG_DFL);
if (__afl_map_size <= FS_OPT_MAX_MAPSIZE) if (__afl_map_size <= FS_OPT_MAX_MAPSIZE) {
status_for_fsrv |= (FS_OPT_SET_MAPSIZE(__afl_map_size) | FS_OPT_MAPSIZE); status_for_fsrv |= (FS_OPT_SET_MAPSIZE(__afl_map_size) | FS_OPT_MAPSIZE);
if (__afl_dictionary_len && __afl_dictionary) status_for_fsrv |= FS_OPT_AUTODICT;
if (__afl_sharedmem_fuzzing != 0) status_for_fsrv |= FS_OPT_SHDMEM_FUZZ; }
if (status_for_fsrv) status_for_fsrv |= (FS_OPT_ENABLED);
if (__afl_dictionary_len && __afl_dictionary) {
status_for_fsrv |= FS_OPT_AUTODICT;
}
if (__afl_sharedmem_fuzzing != 0) { status_for_fsrv |= FS_OPT_SHDMEM_FUZZ; }
if (status_for_fsrv) { status_for_fsrv |= (FS_OPT_ENABLED); }
memcpy(tmp, &status_for_fsrv, 4); memcpy(tmp, &status_for_fsrv, 4);
/* Phone home and tell the parent that we're OK. If parent isn't there, /* Phone home and tell the parent that we're OK. If parent isn't there,
assume we're not running in forkserver mode and just execute program. */ assume we're not running in forkserver mode and just execute program. */
if (write(FORKSRV_FD + 1, tmp, 4) != 4) return; if (write(FORKSRV_FD + 1, tmp, 4) != 4) { return; }
if (__afl_sharedmem_fuzzing || (__afl_dictionary_len && __afl_dictionary)) { if (__afl_sharedmem_fuzzing || (__afl_dictionary_len && __afl_dictionary)) {

3
instrumentation/compare-transform-pass.so.cc
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@ -106,6 +106,7 @@ bool CompareTransform::transformCmps(Module &M, const bool processStrcmp,
FunctionCallee tolowerFn; FunctionCallee tolowerFn;
#endif #endif
{ {
#if LLVM_VERSION_MAJOR < 9 #if LLVM_VERSION_MAJOR < 9
Constant * Constant *
#else #else
@ -122,7 +123,9 @@ bool CompareTransform::transformCmps(Module &M, const bool processStrcmp,
#else #else
tolowerFn = c; tolowerFn = c;
#endif #endif
} }
/* iterate over all functions, bbs and instruction and add suitable calls to /* iterate over all functions, bbs and instruction and add suitable calls to
* strcmp/memcmp/strncmp/strcasecmp/strncasecmp */ * strcmp/memcmp/strncmp/strcasecmp/strncasecmp */
for (auto &F : M) { for (auto &F : M) {

3
src/afl-cc.c
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@ -121,9 +121,12 @@ char compiler_mode_string[7][12] = {
u8 *getthecwd() { u8 *getthecwd() {
if (getcwd(cwd, sizeof(cwd)) == NULL) { if (getcwd(cwd, sizeof(cwd)) == NULL) {
static u8 fail[] = ""; static u8 fail[] = "";
return fail; return fail;
} }
return cwd; return cwd;
} }

3
src/afl-fuzz-redqueen.c
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@ -446,7 +446,8 @@ static void try_to_add_to_dict(afl_state_t *afl, u64 v, u8 shape) {
u32 k; u32 k;
u8 cons_ff = 0, cons_0 = 0; u8 cons_ff = 0, cons_0 = 0;
if (shape > sizeof(v)) FATAL("shape is greater than %zu, please report!", sizeof(v)); if (shape > sizeof(v))
FATAL("shape is greater than %zu, please report!", sizeof(v));
for (k = 0; k < shape; ++k) { for (k = 0; k < shape; ++k) {

3
src/afl-fuzz.c
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@ -299,7 +299,8 @@ int main(int argc, char **argv_orig, char **envp) {
s32 opt, i, auto_sync = 0 /*, user_set_cache = 0*/; s32 opt, i, auto_sync = 0 /*, user_set_cache = 0*/;
u64 prev_queued = 0; u64 prev_queued = 0;
u32 sync_interval_cnt = 0, seek_to = 0, show_help = 0, map_size = get_map_size(); u32 sync_interval_cnt = 0, seek_to = 0, show_help = 0,
map_size = get_map_size();
u8 *extras_dir[4]; u8 *extras_dir[4];
u8 mem_limit_given = 0, exit_1 = 0, debug = 0, u8 mem_limit_given = 0, exit_1 = 0, debug = 0,
extras_dir_cnt = 0 /*, have_p = 0*/; extras_dir_cnt = 0 /*, have_p = 0*/;