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temporary fix for cmplog

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This commit is contained in:
van Hauser
2020-08-07 10:37:28 +02:00
parent fb14e55cc9
commit 420b202124
1 changed files with 7 additions and 5 deletions
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12
llvm_mode/afl-llvm-rt.o.c
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@ -905,6 +905,8 @@ void __sanitizer_cov_trace_pc_guard_init(uint32_t *start, uint32_t *stop) {
u32 inst_ratio = 100; u32 inst_ratio = 100;
char *x; char *x;
fprintf(stderr, "Running __sanitizer_cov_trace_pc_guard_init: %p-%p\n", start, stop);
if (start == stop || *start) return; if (start == stop || *start) return;
x = getenv("AFL_INST_RATIO"); x = getenv("AFL_INST_RATIO");
@ -940,7 +942,7 @@ void __sanitizer_cov_trace_pc_guard_init(uint32_t *start, uint32_t *stop) {
void __cmplog_ins_hook1(uint8_t arg1, uint8_t arg2) { void __cmplog_ins_hook1(uint8_t arg1, uint8_t arg2) {
if (!__afl_cmp_map) return; if (!__afl_cmp_map || __afl_cmp_map == __afl_area_initial) return;
uintptr_t k = (uintptr_t)__builtin_return_address(0); uintptr_t k = (uintptr_t)__builtin_return_address(0);
k = (k >> 4) ^ (k << 8); k = (k >> 4) ^ (k << 8);
@ -984,7 +986,7 @@ void __cmplog_ins_hook2(uint16_t arg1, uint16_t arg2) {
void __cmplog_ins_hook4(uint32_t arg1, uint32_t arg2) { void __cmplog_ins_hook4(uint32_t arg1, uint32_t arg2) {
if (!__afl_cmp_map) return; if (!__afl_cmp_map || __afl_cmp_map == __afl_area_initial) return;
uintptr_t k = (uintptr_t)__builtin_return_address(0); uintptr_t k = (uintptr_t)__builtin_return_address(0);
k = (k >> 4) ^ (k << 8); k = (k >> 4) ^ (k << 8);
@ -1005,7 +1007,7 @@ void __cmplog_ins_hook4(uint32_t arg1, uint32_t arg2) {
void __cmplog_ins_hook8(uint64_t arg1, uint64_t arg2) { void __cmplog_ins_hook8(uint64_t arg1, uint64_t arg2) {
if (!__afl_cmp_map) return; if (!__afl_cmp_map || __afl_cmp_map == __afl_area_initial) return;
uintptr_t k = (uintptr_t)__builtin_return_address(0); uintptr_t k = (uintptr_t)__builtin_return_address(0);
k = (k >> 4) ^ (k << 8); k = (k >> 4) ^ (k << 8);
@ -1056,7 +1058,7 @@ void __sanitizer_cov_trace_cmp8(uint64_t arg1, uint64_t arg2)
void __sanitizer_cov_trace_switch(uint64_t val, uint64_t *cases) { void __sanitizer_cov_trace_switch(uint64_t val, uint64_t *cases) {
if (!__afl_cmp_map) return; if (!__afl_cmp_map || __afl_cmp_map == __afl_area_initial) return;
for (uint64_t i = 0; i < cases[0]; i++) { for (uint64_t i = 0; i < cases[0]; i++) {
@ -1095,7 +1097,7 @@ static int area_is_mapped(void *ptr, size_t len) {
void __cmplog_rtn_hook(u8 *ptr1, u8 *ptr2) { void __cmplog_rtn_hook(u8 *ptr1, u8 *ptr2) {
if (!__afl_cmp_map) return; if (!__afl_cmp_map || __afl_cmp_map == __afl_area_initial) return;
if (!area_is_mapped(ptr1, 32) || !area_is_mapped(ptr2, 32)) return; if (!area_is_mapped(ptr1, 32) || !area_is_mapped(ptr2, 32)) return;