From 159422106fac67765d320fab46c4ee32063bf0d1 Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Wed, 13 Jan 2010 20:44:43 +0100 Subject: [PATCH] --- yaml --- r: 179287 b: refs/heads/master c: 0648f5659e2d51659bd8f42ff30f456775c3c12d h: refs/heads/master i: 179285: 56bc96e80cad6b9d5fe11ccaa761d9b350e3ea75 179283: 80b8a36c1b6ed52dfbba9dba89dbd124ed87da7b 179279: 617b5491c6dacbd3cb3ea8de7c4930222145e411 v: v3 --- [refs] | 2 +- trunk/drivers/s390/crypto/zcrypt_api.c | 4 +++- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/[refs] b/[refs] index 9220193ce063..05e7f1df328b 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 94e587f61ef5da3b4da40289cdb7e9a62d455313 +refs/heads/master: 0648f5659e2d51659bd8f42ff30f456775c3c12d diff --git a/trunk/drivers/s390/crypto/zcrypt_api.c b/trunk/drivers/s390/crypto/zcrypt_api.c index 0d4d18bdd45c..c68be24e27d9 100644 --- a/trunk/drivers/s390/crypto/zcrypt_api.c +++ b/trunk/drivers/s390/crypto/zcrypt_api.c @@ -393,10 +393,12 @@ static long zcrypt_rsa_crt(struct ica_rsa_modexpo_crt *crt) * u_mult_inv > 128 bytes. */ if (copied == 0) { - int len; + unsigned int len; spin_unlock_bh(&zcrypt_device_lock); /* len is max 256 / 2 - 120 = 8 */ len = crt->inputdatalength / 2 - 120; + if (len > sizeof(z1)) + return -EFAULT; z1 = z2 = z3 = 0; if (copy_from_user(&z1, crt->np_prime, len) || copy_from_user(&z2, crt->bp_key, len) ||