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authorSteve French2016-09-22 00:39:34 -0500
committerSteve French2016-10-12 12:08:32 -0500
commitfa70b87cc6641978b20e12cc5d517e9ffc0086d4 (patch)
treec5ef0b1540ee5c4ed891ff2ecc0d95aa216039f7 /fs/cifs/smb2pdu.c
parentc2afb8147e69819885493edf3a7c1ce03aaf2d4e (diff)
SMB3: GUIDs should be constructed as random but valid uuids
GUIDs although random, and 16 bytes, need to be generated as proper uuids. Signed-off-by: Steve French <steve.french@primarydata.com> Reviewed-by: Aurelien Aptel <aaptel@suse.com> Reported-by: David Goebels <davidgoe@microsoft.com> CC: Stable <stable@vger.kernel.org>
Diffstat (limited to 'fs/cifs/smb2pdu.c')
-rw-r--r--fs/cifs/smb2pdu.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index e8638432a233..3eec96ca87d9 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -1183,7 +1183,7 @@ create_durable_v2_buf(struct cifs_fid *pfid)
buf->dcontext.Timeout = 0; /* Should this be configurable by workload */
buf->dcontext.Flags = cpu_to_le32(SMB2_DHANDLE_FLAG_PERSISTENT);
- get_random_bytes(buf->dcontext.CreateGuid, 16);
+ generate_random_uuid(buf->dcontext.CreateGuid);
memcpy(pfid->create_guid, buf->dcontext.CreateGuid, 16);
/* SMB2_CREATE_DURABLE_HANDLE_REQUEST is "DH2Q" */