| commit | 4dd6ce478003525df8618750d30f0b90380047a7 | [log] [tgz] |
|---|---|---|
| author | Dan Carpenter <dan.carpenter@oracle.com> | Tue Nov 03 13:16:23 2020 +0300 |
| committer | Joerg Roedel <jroedel@suse.de> | Tue Nov 03 14:55:51 2020 +0100 |
| tree | f436e88e80c3a0ff7a07d6abb4a98f5b96ef41bd | |
| parent | 71cd8e2d16703a9df5c86a9e19f4cba99316cc53 [diff] |
iommu: Fix a check in iommu_check_bind_data()
The "data->flags" variable is a u64 so if one of the high 32 bits is
set the original code will allow it, but it should be rejected. The
fix is to declare "mask" as a u64 instead of a u32.
Fixes: d90573812eea ("iommu/uapi: Handle data and argsz filled by users")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20201103101623.GA1127762@mwanda
Signed-off-by: Joerg Roedel <jroedel@suse.de>