common: Add NULL checks for malloc_cache_aligned in autoboot.c
- Check return value of malloc_cache_aligned for presskey and sha.
- Return -ENOMEM if memory allocation fails.
- Free allocated memory in error paths."
Triggers found by static analyzer Svace.
Signed-off-by: Anton Moryakov <ant.v.moryakov@gmail.com>
diff --git a/common/autoboot.c b/common/autoboot.c
index 898a57b..0a25449 100644
--- a/common/autoboot.c
+++ b/common/autoboot.c
@@ -186,10 +186,15 @@
ret = hash_parse_string(algo_name, sha_env_str, sha_env);
if (ret) {
printf("Hash %s not supported!\n", algo_name);
+ free(presskey);
return 0;
}
sha = malloc_cache_aligned(SHA256_SUM_LEN);
+ if (!sha) {
+ free(presskey);
+ return -ENOMEM;
+ }
size = SHA256_SUM_LEN;
/*
* We don't know how long the stop-string is, so we need to