diff options
| author | Jan Kara <[email protected]> | 2019-10-23 17:00:45 -0700 |
|---|---|---|
| committer | Darrick J. Wong <[email protected]> | 2019-10-24 08:05:24 -0700 |
| commit | 3dd4d40b420846dd35869ccc8f8627feef2cff32 (patch) | |
| tree | 2b21c851747494281c0f6c3100678d54992f58f7 | |
| parent | 1aa6300638e74c15bca3e1f94e04c64eafe81f27 (diff) | |
xfs: Sanity check flags of Q_XQUOTARM call
Flags passed to Q_XQUOTARM were not sanity checked for invalid values.
Fix that.
Fixes: 9da93f9b7cdf ("xfs: fix Q_XQUOTARM ioctl")
Reported-by: Yang Xu <[email protected]>
Signed-off-by: Jan Kara <[email protected]>
Reviewed-by: Eric Sandeen <[email protected]>
Reviewed-by: Darrick J. Wong <[email protected]>
Signed-off-by: Darrick J. Wong <[email protected]>
| -rw-r--r-- | fs/xfs/xfs_quotaops.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/xfs/xfs_quotaops.c b/fs/xfs/xfs_quotaops.c index cd6c7210a373..c7de17deeae6 100644 --- a/fs/xfs/xfs_quotaops.c +++ b/fs/xfs/xfs_quotaops.c @@ -201,6 +201,9 @@ xfs_fs_rm_xquota( if (XFS_IS_QUOTA_ON(mp)) return -EINVAL; + if (uflags & ~(FS_USER_QUOTA | FS_GROUP_QUOTA | FS_PROJ_QUOTA)) + return -EINVAL; + if (uflags & FS_USER_QUOTA) flags |= XFS_DQ_USER; if (uflags & FS_GROUP_QUOTA) |