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vanhauser-thc 2025-05-17 00:05:31 +02:00
parent 7f7d5ff29b
commit 3ee3b5c384
6 changed files with 18 additions and 14 deletions
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7
instrumentation/afl-compiler-rt.o.c
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@ -299,14 +299,18 @@ static void __afl_map_shm_fuzz() {
size_t shm_fuzz_map_size = SHM_FUZZ_MAP_SIZE_DEFAULT;
char *map_size_env = getenv(SHM_FUZZ_MAP_SIZE_ENV_VAR);
if (map_size_env != NULL) {
char *endptr;
errno = 0;
shm_fuzz_map_size = (size_t)strtoul(map_size_env, &endptr, 10);
if (errno != 0 || shm_fuzz_map_size == 0) {
perror("shm_fuzz mapping size parsing");
send_forkserver_error(FS_ERROR_SHM_OPEN);
_exit(1);
}
}
const char *shm_file_path = id_str;
@ -322,8 +326,7 @@ static void __afl_map_shm_fuzz() {
}
map =
(u8 *)mmap(0, shm_fuzz_map_size, PROT_READ, MAP_SHARED, shm_fd, 0);
map = (u8 *)mmap(0, shm_fuzz_map_size, PROT_READ, MAP_SHARED, shm_fd, 0);
#else
u32 shm_id = atoi(id_str);

1
src/afl-fuzz-init.c
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@ -1412,7 +1412,6 @@ void perform_dry_run(afl_state_t *afl) {
q = afl->queue_buf[idx];
if (!q || q->disabled || q->cal_failed || !q->exec_cksum) { continue; }
u32 done = 0;
for (i = idx + 1; likely(i < afl->queued_items && afl->queue_buf[i]); ++i) {

10
utils/aflpp_driver/aflpp_driver.c
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@ -65,9 +65,12 @@ extern "C" {
#endif
#if defined(__APPLE__) && defined(__MACH__)
#define SECTION_RODATA __attribute__((used, retain)) __attribute__((section ("__RODATA,__rodata")))
#define SECTION_RODATA \
__attribute__((used, retain)) __attribute__((section("__RODATA,__" \
"rodata")))
#else
#define SECTION_RODATA __attribute__((used, retain)) __attribute__((section (".rodata")))
#define SECTION_RODATA \
__attribute__((used, retain)) __attribute__((section(".rodata")))
#endif
// AFL++ shared memory fuzz cases
@ -112,8 +115,7 @@ __attribute__((weak)) void __asan_unpoison_memory_region(
__attribute__((weak)) void *__asan_region_is_poisoned(void *beg, size_t size);
// Notify AFL about persistent mode.
SECTION_RODATA static const char AFL_PERSISTENT[] =
"##SIG_AFL_PERSISTENT##";
SECTION_RODATA static const char AFL_PERSISTENT[] = "##SIG_AFL_PERSISTENT##";
int __afl_persistent_loop(unsigned int);
// Notify AFL about deferred forkserver.