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31e6ec4519
Since BIG_KEYS can't be compiled as module it requires one of the "stdrng" providers to be compiled into kernel. Otherwise big_key_crypto_init() fails on crypto_alloc_rng step and next dereference of big_key_skcipher (e.g. in big_key_preparse()) results in a NULL pointer dereference. Fixes: 13100a72f40f5748a04017e0ab3df4cf27c809ef ('Security: Keys: Big keys stored encrypted') Signed-off-by: Artem Savkov <asavkov@redhat.com> Signed-off-by: David Howells <dhowells@redhat.com> cc: Stephan Mueller <smueller@chronox.de> cc: Kirill Marinushkin <k.marinushkin@gmail.com> cc: stable@vger.kernel.org Signed-off-by: James Morris <james.l.morris@oracle.com>