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Fix possible free-memory ref in e75069f79a

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This commit is contained in:
Simon Kelley
2021-01-24 22:25:13 +00:00
parent 807e82343a
commit 20295012b8
1 changed files with 4 additions and 1 deletions
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5
src/hash_questions.c
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@@ -36,8 +36,11 @@ static unsigned char *digest;
void hash_questions_init(void) void hash_questions_init(void)
{ {
if (!(hash = hash_find("sha256")) || !hash_init(hash, &ctx, &digest)) if (!(hash = hash_find("sha256")))
die(_("Failed to create SHA-256 hash object"), NULL, EC_MISC); die(_("Failed to create SHA-256 hash object"), NULL, EC_MISC);
ctx = safe_malloc(hash->context_size);
digest = safe_malloc(hash->digest_size);
} }
unsigned char *hash_questions(struct dns_header *header, size_t plen, char *name) unsigned char *hash_questions(struct dns_header *header, size_t plen, char *name)