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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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11
instrumentation/afl-compiler-rt.o.c
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@ -297,16 +297,20 @@ static void __afl_map_shm_fuzz() {
// Newer afl-fuzz versions will set a shm_fuzz page size env, else fall back
size_t shm_fuzz_map_size = SHM_FUZZ_MAP_SIZE_DEFAULT;
char *map_size_env = getenv(SHM_FUZZ_MAP_SIZE_ENV_VAR);
char *map_size_env = getenv(SHM_FUZZ_MAP_SIZE_ENV_VAR);
if (map_size_env != NULL) {
char* endptr;
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);