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authorEric W. Biederman <ebiederm@xmission.com>2012-02-09 09:10:30 -0800
committerEric W. Biederman <ebiederm@xmission.com>2012-05-15 14:08:35 -0700
commita7c1938e22c02b008655524c766d185ae99d9d53 (patch)
treef6b862a5d187908007614e5537f4cd1e31a40df4 /fs/compat.c
parent52137abe1820196d956bfd51edebc571b3427deb (diff)
downloadlinux-a7c1938e22c02b008655524c766d185ae99d9d53.tar.gz
userns: Convert stat to return values mapped from kuids and kgids
- Store uids and gids with kuid_t and kgid_t in struct kstat - Convert uid and gids to userspace usable values with from_kuid and from_kgid Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Diffstat (limited to 'fs/compat.c')
-rw-r--r--fs/compat.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/compat.c b/fs/compat.c
index f2944ace7a7..0781e619a62 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -144,8 +144,8 @@ static int cp_compat_stat(struct kstat *stat, struct compat_stat __user *ubuf)
tmp.st_nlink = stat->nlink;
if (tmp.st_nlink != stat->nlink)
return -EOVERFLOW;
- SET_UID(tmp.st_uid, stat->uid);
- SET_GID(tmp.st_gid, stat->gid);
+ SET_UID(tmp.st_uid, from_kuid_munged(current_user_ns(), stat->uid));
+ SET_GID(tmp.st_gid, from_kgid_munged(current_user_ns(), stat->gid));
tmp.st_rdev = old_encode_dev(stat->rdev);
if ((u64) stat->size > MAX_NON_LFS)
return -EOVERFLOW;