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.
Signed-off-by: Artem Savkov <[email protected]> --- security/keys/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/security/keys/Kconfig b/security/keys/Kconfig index f826e87..d942c7c 100644 --- a/security/keys/Kconfig +++ b/security/keys/Kconfig @@ -41,7 +41,7 @@ config BIG_KEYS bool "Large payload keys" depends on KEYS depends on TMPFS - select CRYPTO + depends on (CRYPTO_ANSI_CPRNG = y || CRYPTO_DRBG = y) select CRYPTO_AES select CRYPTO_ECB select CRYPTO_RNG -- 2.7.4
