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Add __afl_set_persistent_mode

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2021-11-17 20:27:45 +00:00
parent 43458f7e8b
commit e88509ac22
3 changed files with 12 additions and 10 deletions
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12
frida_mode/src/js/js_api.c
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@ -11,6 +11,10 @@
#include "stats.h"
#include "util.h"
typedef uint8_t u8;
extern void __afl_set_persistent_mode(u8 mode);
__attribute__((visibility("default"))) void js_api_done() {
js_done = TRUE;
@ -47,13 +51,7 @@ __attribute__((visibility("default"))) void js_api_set_persistent_address(
persistent_start = GPOINTER_TO_SIZE(address);
if (getenv("__AFL_PERSISTENT") == NULL) {
FATAL(
"You must set __AFL_PERSISTENT manually if using persistent mode "
"configured using JS");
}
__afl_set_persistent_mode(1);
}

1
frida_mode/test/png/persistent/hook/GNUmakefile
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@ -144,7 +144,6 @@ frida_entry_slow: $(AFLPP_DRIVER_DUMMY_INPUT) $(AFLPP_FRIDA_DRIVER_HOOK_OBJ) | $
frida_js_load: $(AFLPP_DRIVER_DUMMY_INPUT) $(AFLPP_FRIDA_DRIVER_HOOK_OBJ) | $(BUILD_DIR)
AFL_PRELOAD=$(AFL_PRELOAD) \
__AFL_PERSISTENT=1 \
AFL_FRIDA_JS_SCRIPT=load.js \
$(ROOT)afl-fuzz \
-D \

9
instrumentation/afl-compiler-rt.o.c
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@ -1904,8 +1904,7 @@ void __cmplog_rtn_hook_n(u8 *ptr1, u8 *ptr2, u64 len) {
if (unlikely(!len)) return;
int l = MIN(31, len);
if ((l = area_is_valid(ptr1, l)) <= 0 ||
(l = area_is_valid(ptr2, l)) <= 0)
if ((l = area_is_valid(ptr1, l)) <= 0 || (l = area_is_valid(ptr2, l)) <= 0)
return;
// fprintf(stderr, "RTN2 %u\n", l);
@ -2247,5 +2246,11 @@ void __afl_coverage_interesting(u8 val, u32 id) {
}
void __afl_set_persistent_mode(u8 mode) {
is_persistent = mode;
}
#undef write_error