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Coverity CID 1444952: Null pointer dereferences
author
Pauli
<paul.dale@oracle.com>
Tue, 7 May 2019 01:06:33 +0000
(11:06 +1000)
committer
Pauli
<paul.dale@oracle.com>
Tue, 7 May 2019 23:52:58 +0000
(09:52 +1000)
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/8888)
crypto/evp/evp_enc.c
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diff --git
a/crypto/evp/evp_enc.c
b/crypto/evp/evp_enc.c
index 44d88a1f048b1de1bf16eb445d90d3f50bccb797..4bc63703254f841005f43c592df7ef5b11a23489 100644
(file)
--- a/
crypto/evp/evp_enc.c
+++ b/
crypto/evp/evp_enc.c
@@
-843,6
+843,10
@@
int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl)
legacy:
*outl = 0;
+ if (ctx->cipher == NULL) {
+ EVPerr(EVP_F_EVP_DECRYPTFINAL_EX, EVP_R_NO_CIPHER_SET);
+ return 0;
+ }
if (ctx->cipher->flags & EVP_CIPH_FLAG_CUSTOM_CIPHER) {
i = ctx->cipher->do_cipher(ctx, out, NULL, 0);