[openssl/openssl] 726070: kdf objects missing a return if malloc fails.

[slontis]

  Branch: refs/heads/master
  Home:   https://github.openssl.org/openssl/openssl
  Commit: 7260709e9ef155c8b3fccaa32e8ba496a3059905
      https://github.openssl.org/openssl/openssl/commit/7260709e9ef155c8b3fccaa32e8ba496a3059905
  Author: slontis <shane.lontis at oracle.com>
  Date:   2022-06-28 (Tue, 28 Jun 2022)

  Changed paths:
    M providers/implementations/kdfs/tls1_prf.c
    M providers/implementations/kdfs/x942kdf.c

  Log Message:
  -----------
  kdf objects missing a return if malloc fails.

I have searched through all references of ERR_R_MALLOC_FAILURE for any
other instances..

Reviewed-by: Tomas Mraz <tomas at openssl.org>
Reviewed-by: Paul Dale <pauli at openssl.org>
Reviewed-by: Hugo Landau <hlandau at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18638)