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fixed gcc analyzer warnings

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This commit is contained in:
Dominik Maier
2020-12-11 13:29:45 +01:00
parent d5ded820e5
commit 609f3d0265
5 changed files with 48 additions and 14 deletions
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24
src/afl-common.c
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@ -108,6 +108,7 @@ char **argv_cpy_dup(int argc, char **argv) {
int i = 0;
char **ret = ck_alloc((argc + 1) * sizeof(char *));
if (unlikely(!ret)) { FATAL("Amount of arguments specified is too high"); }
for (i = 0; i < argc; i++) {
@ -130,6 +131,7 @@ void argv_cpy_free(char **argv) {
while (argv[i]) {
ck_free(argv[i]);
argv[i] = NULL;
i++;
}
@ -142,8 +144,12 @@ void argv_cpy_free(char **argv) {
char **get_qemu_argv(u8 *own_loc, u8 **target_path_p, int argc, char **argv) {
if (!unlikely(own_loc)) { FATAL("BUG: param own_loc is NULL"); }
u8 *tmp, *cp = NULL, *rsl, *own_copy;
char **new_argv = ck_alloc(sizeof(char *) * (argc + 4));
u8 * tmp, *cp = NULL, *rsl, *own_copy;
if (unlikely(!new_argv)) { FATAL("Illegal amount of arguments specified"); }
memcpy(&new_argv[3], &argv[1], (int)(sizeof(char *)) * (argc - 1));
new_argv[argc + 3] = NULL;
@ -224,8 +230,12 @@ char **get_qemu_argv(u8 *own_loc, u8 **target_path_p, int argc, char **argv) {
char **get_wine_argv(u8 *own_loc, u8 **target_path_p, int argc, char **argv) {
if (!unlikely(own_loc)) { FATAL("BUG: param own_loc is NULL"); }
u8 *tmp, *cp = NULL, *rsl, *own_copy;
char **new_argv = ck_alloc(sizeof(char *) * (argc + 3));
u8 * tmp, *cp = NULL, *rsl, *own_copy;
if (unlikely(!new_argv)) { FATAL("Illegal amount of arguments specified"); }
memcpy(&new_argv[2], &argv[1], (int)(sizeof(char *)) * (argc - 1));
new_argv[argc + 2] = NULL;
@ -335,6 +345,8 @@ u8 *find_binary(u8 *fname) {
struct stat st;
if (unlikely(!fname)) { FATAL("No binary supplied"); }
if (strchr(fname, '/') || !(env_path = getenv("PATH"))) {
target_path = ck_strdup(fname);
@ -356,6 +368,14 @@ u8 *find_binary(u8 *fname) {
if (delim) {
cur_elem = ck_alloc(delim - env_path + 1);
if (unlikely(!cur_elem)) {
FATAL(
"Unexpected overflow when processing ENV. This should never "
"happend.");
}
memcpy(cur_elem, env_path, delim - env_path);
delim++;