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require llvm 10.0.1+ for enhanced pcguard, correct 1MB checks

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This commit is contained in:
van Hauser
2020-11-05 08:53:16 +01:00
parent a8de605637
commit 6abe4d124e
2 changed files with 6 additions and 6 deletions
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8
src/afl-cc.c
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@ -501,7 +501,7 @@ static void edit_params(u32 argc, char **argv, char **envp) {
if (instrument_mode == INSTRUMENT_PCGUARD) {
#if LLVM_MAJOR >= 10
#if LLVM_MAJOR >= 10 || (LLVM_MAJOR == 10 && LLVM_MINOR > 0)
cc_params[cc_par_cnt++] = "-Xclang";
cc_params[cc_par_cnt++] = "-load";
cc_params[cc_par_cnt++] = "-Xclang";
@ -511,7 +511,7 @@ static void edit_params(u32 argc, char **argv, char **envp) {
#if LLVM_MAJOR >= 4
if (!be_quiet)
SAYF(
"Using unoptimized trace-pc-guard, upgrade to llvm 10+ for "
"Using unoptimized trace-pc-guard, upgrade to llvm 10.0.1+ for "
"enhanced version.\n");
cc_params[cc_par_cnt++] = "-fsanitize-coverage=trace-pc-guard";
#else
@ -715,14 +715,14 @@ static void edit_params(u32 argc, char **argv, char **envp) {
"int __afl_sharedmem_fuzzing = 1;"
"extern unsigned int *__afl_fuzz_len;"
"extern unsigned char *__afl_fuzz_ptr;"
"unsigned char __afl_fuzz_alt[1024000];"
"unsigned char __afl_fuzz_alt[1048576];"
"unsigned char *__afl_fuzz_alt_ptr = __afl_fuzz_alt;";
cc_params[cc_par_cnt++] =
"-D__AFL_FUZZ_TESTCASE_BUF=(__afl_fuzz_ptr ? __afl_fuzz_ptr : "
"__afl_fuzz_alt_ptr)";
cc_params[cc_par_cnt++] =
"-D__AFL_FUZZ_TESTCASE_LEN=(__afl_fuzz_ptr ? *__afl_fuzz_len : "
"(*__afl_fuzz_len = read(0, __afl_fuzz_alt_ptr, 1024000)) == 0xffffffff "
"(*__afl_fuzz_len = read(0, __afl_fuzz_alt_ptr, 1048576)) == 0xffffffff "
"? 0 : *__afl_fuzz_len)";
cc_params[cc_par_cnt++] =

4
src/afl-fuzz.c
View File

@ -1064,13 +1064,13 @@ int main(int argc, char **argv_orig, char **envp) {
} else if (afl->q_testcase_max_cache_size < 2 * MAX_FILE) {
FATAL("AFL_TESTCACHE_SIZE must be set to %u or more, or 0 to disable",
(2 * MAX_FILE) % 1024000 == 0 ? (2 * MAX_FILE) / 1048576
(2 * MAX_FILE) % 1048576 == 0 ? (2 * MAX_FILE) / 1048576
: 1 + ((2 * MAX_FILE) / 1048576));
} else {
OKF("Enabled testcache with %llu MB",
afl->q_testcase_max_cache_size / 1024000);
afl->q_testcase_max_cache_size / 1048576);
}