diff options
author | Neil Horman <nhorman@openssl.org> | 2024-01-26 11:33:18 -0500 |
---|---|---|
committer | Neil Horman <nhorman@openssl.org> | 2024-01-30 10:28:58 -0500 |
commit | 4ee81ec4e0c2842d9ec1549a83516000b4685a4d (patch) | |
tree | cfe755a967136f9aba8a84df7ce065fc88e2a734 | |
parent | a1572c9a10bd07aee5daeb19ac97b01a21831d2d (diff) |
fix missing null check in kdf_test_ctrl
Coverity issue 1453632 noted a missing null check in kdf_test_ctrl
recently. If a malformed value is passed in from the test file that
does not contain a ':' character, the p variable will be NULL, leading
to a NULL derefence prepare_from_text
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Tom Cosgrove <tom.cosgrove@arm.com>
(Merged from https://github.com/openssl/openssl/pull/23398)
(cherry picked from commit 6ca1d3ee81b61bc973e4e1079ec68ac73331c159)
-rw-r--r-- | test/evp_test.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/test/evp_test.c b/test/evp_test.c index 782841a692..2701040dab 100644 --- a/test/evp_test.c +++ b/test/evp_test.c @@ -2773,30 +2773,33 @@ static int kdf_test_ctrl(EVP_TEST *t, EVP_KDF_CTX *kctx, if (!TEST_ptr(name = OPENSSL_strdup(value))) return 0; p = strchr(name, ':'); - if (p != NULL) + if (p == NULL) + p = ""; + else *p++ = '\0'; rv = OSSL_PARAM_allocate_from_text(kdata->p, defs, name, p, - p != NULL ? strlen(p) : 0, NULL); + strlen(p), NULL); *++kdata->p = OSSL_PARAM_construct_end(); if (!rv) { t->err = "KDF_PARAM_ERROR"; OPENSSL_free(name); return 0; } - if (p != NULL && strcmp(name, "digest") == 0) { + if (strcmp(name, "digest") == 0) { if (is_digest_disabled(p)) { TEST_info("skipping, '%s' is disabled", p); t->skip = 1; } } - if (p != NULL - && (strcmp(name, "cipher") == 0 - || strcmp(name, "cekalg") == 0) + + if ((strcmp(name, "cipher") == 0 + || strcmp(name, "cekalg") == 0) && is_cipher_disabled(p)) { TEST_info("skipping, '%s' is disabled", p); t->skip = 1; } + OPENSSL_free(name); return 1; } |