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authorIngo Tuchscherer <ingo.tuchscherer@de.ibm.com>2014-03-18 16:30:21 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2014-04-01 09:23:34 +0200
commitce1ce2f31224c18e84d859ccd5675cbb2728f57a (patch)
treeeebcf330a28c9f39a214443ec575330588c61454 /drivers/s390/crypto/zcrypt_api.c
parent01d5f3b598b18a5035426c30801adf65822dbd0c (diff)
downloadop-kernel-dev-ce1ce2f31224c18e84d859ccd5675cbb2728f57a.zip
op-kernel-dev-ce1ce2f31224c18e84d859ccd5675cbb2728f57a.tar.gz
s390/zcrypt: add length check for aligned data to avoid overflow in msg-type 6
Signed-off-by: Ingo Tuchscherer <ingo.tuchscherer@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/crypto/zcrypt_api.c')
-rw-r--r--drivers/s390/crypto/zcrypt_api.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c
index 4b824b1..5222ebe 100644
--- a/drivers/s390/crypto/zcrypt_api.c
+++ b/drivers/s390/crypto/zcrypt_api.c
@@ -626,8 +626,8 @@ static long zcrypt_send_ep11_cprb(struct ep11_urb *xcrb)
return -ENOMEM;
if (copy_from_user(ep11_dev_list.targets,
- (struct ep11_target_dev *)xcrb->targets,
- xcrb->targets_num *
+ (struct ep11_target_dev __force __user *)
+ xcrb->targets, xcrb->targets_num *
sizeof(struct ep11_target_dev)))
return -EFAULT;
}
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