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Smack:- Use overlay inode label in smack_inode_copy_up()

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[ Upstream commit 387ef96446 ]

Currently in "smack_inode_copy_up()" function, process label is
changed with the label on parent inode. Due to which,
process is assigned directory label and whatever file or directory
created by the process are also getting directory label
which is wrong label.

Changes has been done to use label of overlay inode instead
of parent inode.

Signed-off-by: Vishal Goel <vishal.goel@samsung.com>
Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Vishal Goel 2021-09-17 13:08:14 +05:30 committed by Greg Kroah-Hartman
parent 0e3450487f
commit efce75bd2d
1 changed files with 1 additions and 1 deletions
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2
security/smack/smack_lsm.c
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@ -4663,7 +4663,7 @@ static int smack_inode_copy_up(struct dentry *dentry, struct cred **new)
/*
* Get label from overlay inode and set it in create_sid
*/
isp = smack_inode(d_inode(dentry->d_parent));
isp = smack_inode(d_inode(dentry));
skp = isp->smk_inode;
tsp->smk_task = skp;
*new = new_creds;