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| author | Eric W. Biederman <ebiederm@xmission.com> | 2012-07-27 14:56:48 +0200 |
|---|---|---|
| committer | Eric W. Biederman <ebiederm@xmission.com> | 2012-11-20 13:19:18 +0100 |
| commit | 4f326c0064b20b78b8041f4d2f6fe188a1129f18 (patch) | |
| tree | 867ddce014cb780460130ecf5924069d588fa9c9 | |
| parent | userns: For /proc/self/{uid,gid}_map derive the lower userns from the struct ... (diff) | |
| download | linux-4f326c0064b20b78b8041f4d2f6fe188a1129f18.tar.xz linux-4f326c0064b20b78b8041f4d2f6fe188a1129f18.zip | |
userns: Allow unprivilged mounts of proc and sysfs
- The context in which proc and sysfs are mounted have no
effect on the the uid/gid of their files so no conversion is
needed except allowing the mount.
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
| -rw-r--r-- | fs/proc/root.c | 1 | ||||
| -rw-r--r-- | fs/sysfs/mount.c | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/fs/proc/root.c b/fs/proc/root.c index f2f251158d35..c6e9fac26bac 100644 --- a/fs/proc/root.c +++ b/fs/proc/root.c @@ -145,6 +145,7 @@ static struct file_system_type proc_fs_type = { .name = "proc", .mount = proc_mount, .kill_sb = proc_kill_sb, + .fs_flags = FS_USERNS_MOUNT, }; void __init proc_root_init(void) diff --git a/fs/sysfs/mount.c b/fs/sysfs/mount.c index 71eb7e253927..db940a9be045 100644 --- a/fs/sysfs/mount.c +++ b/fs/sysfs/mount.c @@ -149,6 +149,7 @@ static struct file_system_type sysfs_fs_type = { .name = "sysfs", .mount = sysfs_mount, .kill_sb = sysfs_kill_sb, + .fs_flags = FS_USERNS_MOUNT, }; int __init sysfs_init(void) |