storm/w3m
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Prevent memory leak in fuzzer

Browse Source
This commit is contained in:
Tatsuya Kinoshita
2021-03-25 18:55:49 +09:00
parent 16d0f20fc0
commit 5a1059b6f3
1 changed files with 11 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
fuzz/fuzz-conv.c
View File

@@ -9,7 +9,7 @@
char *get_null_terminated(const uint8_t *data, size_t size) { char *get_null_terminated(const uint8_t *data, size_t size) {
char *new_str = (char *)malloc(size+1); char *new_str = (char *)malloc(size+1);
if (new_str == NULL){ if (new_str == NULL){
return NULL; exit(1);
} }
memcpy(new_str, data, size); memcpy(new_str, data, size);
new_str[size] = '\0'; new_str[size] = '\0';
@@ -57,18 +57,20 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size){
sprintf(filename, "/tmp/libfuzzer.%d", getpid()); sprintf(filename, "/tmp/libfuzzer.%d", getpid());
FILE *fp = fopen(filename, "wb"); FILE *fp = fopen(filename, "wb");
if (!fp) { if (fp) {
return 0;
}
fwrite(data, size, 1, fp); fwrite(data, size, 1, fp);
fclose(fp); fclose(fp);
}
FILE *f = fopen(filename, "r"); FILE *f = fopen(filename, "r");
if (f) {
Str s = Strfgetall(f); Str s = Strfgetall(f);
wc_Str_conv_with_detect(s, &from, from, to); wc_Str_conv_with_detect(s, &from, from, to);
if (s != NULL) { if (s != NULL) {
Strfree(s); Strfree(s);
} }
fclose(f);
}
unlink(filename); unlink(filename);