From: Stephan Mueller <smueller@chronox.de>
Date: Fri, 26 May 2017 12:11:31 +0200
Subject: [PATCH] crypto: drbg - Fixes panic in wait_for_completion call
References: bnc#1060662
Patch-mainline: 4.12.1
Git-commit: b61929c654f2e725644935737c4c1ea9c741e2f8
commit b61929c654f2e725644935737c4c1ea9c741e2f8 upstream.
Initialise ctr_completion variable before use.
Cc: <stable@vger.kernel.org>
Signed-off-by: Harsh Jain <harshjain.prof@gmail.com>
Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
crypto/drbg.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/crypto/drbg.c b/crypto/drbg.c
index cdb27ac4b226..633a88e93ab0 100644
--- a/crypto/drbg.c
+++ b/crypto/drbg.c
@@ -1691,6 +1691,7 @@ static int drbg_init_sym_kernel(struct drbg_state *drbg)
return PTR_ERR(sk_tfm);
}
drbg->ctr_handle = sk_tfm;
+ init_completion(&drbg->ctr_completion);
req = skcipher_request_alloc(sk_tfm, GFP_KERNEL);
if (!req) {
--
2.14.2