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| author | Stefan Berger <stefanb@linux.ibm.com> | 2024-02-23 12:25:05 -0500 |
|---|---|---|
| committer | Mimi Zohar <zohar@linux.ibm.com> | 2024-04-09 17:14:57 -0400 |
| commit | 3253804773c0613a1bad5bfea2edf172b760d8b6 (patch) | |
| tree | d3f6b1b665725dbf66221496577d3030b9a9692f /fs/overlayfs | |
| parent | c21632b66895eb23c05e4eeedb68128fb243d168 (diff) | |
| download | linux-3253804773c0613a1bad5bfea2edf172b760d8b6.tar.gz linux-3253804773c0613a1bad5bfea2edf172b760d8b6.tar.bz2 linux-3253804773c0613a1bad5bfea2edf172b760d8b6.zip | |
security: allow finer granularity in permitting copy-up of security xattrs
Copying up xattrs is solely based on the security xattr name. For finer
granularity add a dentry parameter to the security_inode_copy_up_xattr
hook definition, allowing decisions to be based on the xattr content as
well.
Co-developed-by: Mimi Zohar <zohar@linux.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Acked-by: Amir Goldstein <amir73il@gmail.com>
Acked-by: Paul Moore <paul@paul-moore.com> (LSM,SELinux)
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
Diffstat (limited to 'fs/overlayfs')
| -rw-r--r-- | fs/overlayfs/copy_up.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c index 0762575a1e70..a5ef2005a2cc 100644 --- a/fs/overlayfs/copy_up.c +++ b/fs/overlayfs/copy_up.c @@ -114,7 +114,7 @@ int ovl_copy_xattr(struct super_block *sb, const struct path *oldpath, struct de if (ovl_is_private_xattr(sb, name)) continue; - error = security_inode_copy_up_xattr(name); + error = security_inode_copy_up_xattr(old, name); if (error < 0 && error != -EOPNOTSUPP) break; if (error == 1) { |