tree 91a3ced367103422908309c6fd5bc9ebc496304e
parent cf5ff10d75f6c8f08d98f0efc0a582f26a4454ba
author Ross Lagerwall <ross.lagerwall@citrix.com> 1546972257 +0000
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1547673151 +0100

cifs: Fix potential OOB access of lock element array

commit b9a74cde94957d82003fb9f7ab4777938ca851cd upstream.

If maxBuf is small but non-zero, it could result in a zero sized lock
element array which we would then try and access OOB.

Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
CC: Stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>