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authorChristian Brauner <christian.brauner@ubuntu.com>2021-01-21 14:19:45 +0100
committerChristian Brauner <christian.brauner@ubuntu.com>2021-01-24 14:27:20 +0100
commita2d2329e30e224ea68d575d2525b866df9805ea0 (patch)
tree5c56b6472bcb77840030918e5d0ea28077762365 /fs/attr.c
parent3cee6079f62f4d3a37d9dda2e0851677e08028ff (diff)
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ima: handle idmapped mounts
IMA does sometimes access the inode's i_uid and compares it against the rules' fowner. Enable IMA to handle idmapped mounts by passing down the mount's user namespace. We simply make use of the helpers we introduced before. If the initial user namespace is passed nothing changes so non-idmapped mounts will see identical behavior as before. Link: https://lore.kernel.org/r/20210121131959.646623-27-christian.brauner@ubuntu.com Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Diffstat (limited to 'fs/attr.c')
-rw-r--r--fs/attr.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/attr.c b/fs/attr.c
index 41abd0d973d8..87ef39db1c34 100644
--- a/fs/attr.c
+++ b/fs/attr.c
@@ -401,7 +401,7 @@ int notify_change(struct user_namespace *mnt_userns, struct dentry *dentry,
if (!error) {
fsnotify_change(dentry, ia_valid);
- ima_inode_post_setattr(dentry);
+ ima_inode_post_setattr(mnt_userns, dentry);
evm_inode_post_setattr(dentry, ia_valid);
}