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Resolve hash new leak due to improper heap hint check. Make sure isAllocated is initialized to 0.

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This commit is contained in:
David Garske
2024-09-24 17:01:42 -07:00
parent 7989dd8713
commit 0bb41e1eb4
1 changed files with 3 additions and 1 deletions
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4
wolfcrypt/src/hash.c
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@ -710,6 +710,7 @@ int wc_HashInit_ex(wc_HashAlg* hash, enum wc_HashType type, void* heap,
if (hash == NULL) if (hash == NULL)
return BAD_FUNC_ARG; return BAD_FUNC_ARG;
hash->isAllocated = 0;
switch (type) { switch (type) {
case WC_HASH_TYPE_MD5: case WC_HASH_TYPE_MD5:
#ifndef NO_MD5 #ifndef NO_MD5
@ -1146,8 +1147,9 @@ int wc_HashFree(wc_HashAlg* hash, enum wc_HashType type)
ret = BAD_FUNC_ARG; ret = BAD_FUNC_ARG;
}; };
if (isAllocated && heap) if (isAllocated) {
XFREE(hash, heap, DYNAMIC_TYPE_HASHES); XFREE(hash, heap, DYNAMIC_TYPE_HASHES);
}
return ret; return ret;
} }