[openssl/openssl] 7d486b: kdf: avoid NULL dereference on malloc failure in s...

[pauli]

  Branch: refs/heads/openssl-3.0
  Home:   https://github.openssl.org/openssl/openssl
  Commit: 7d486b2c0ea43227b5d9b6d3b66a5f4365ecdbae
      https://github.openssl.org/openssl/openssl/commit/7d486b2c0ea43227b5d9b6d3b66a5f4365ecdbae
  Author: Pauli <pauli at openssl.org>
  Date:   2022-04-11 (Mon, 11 Apr 2022)

  Changed paths:
    M providers/implementations/kdfs/sshkdf.c

  Log Message:
  -----------
  kdf: avoid NULL dereference on malloc failure in sshkdf

Fixes #18009

Reviewed-by: Tomas Mraz <tomas at openssl.org>
Reviewed-by: Shane Lontis <shane.lontis at oracle.com>
(Merged from https://github.com/openssl/openssl/pull/18011)

(cherry picked from commit 148176ca323e3dfce5d5cdb5578c113c8d2440bb)