diff options
| author | José Bollo <jobol@nonadev.net> | 2016-01-12 21:23:40 +0100 |
|---|---|---|
| committer | Casey Schaufler <casey@schaufler-ca.com> | 2016-02-16 09:56:35 -0800 |
| commit | 8012495e177bbf67eba8915e266a6f897bedbd53 (patch) | |
| tree | e4bacef53ca7675d7d5a567d43e3806ef65fd064 | |
| parent | 491a0b08d38e7f0961a1850d43d0dea02f918d66 (diff) | |
| download | lwn-8012495e177bbf67eba8915e266a6f897bedbd53.tar.gz lwn-8012495e177bbf67eba8915e266a6f897bedbd53.zip | |
smack: fix cache of access labels
Before this commit, removing the access property of
a file, aka, the extended attribute security.SMACK64
was not effictive until the cache had been cleaned.
This patch fixes that problem.
Signed-off-by: José Bollo <jobol@nonadev.net>
Acked-by: Casey Schaufler <casey@schaufler-ca.com>
| -rw-r--r-- | security/smack/smack_lsm.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index 2775d658b767..11f79013ae1f 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -1442,9 +1442,13 @@ static int smack_inode_removexattr(struct dentry *dentry, const char *name) * Don't do anything special for these. * XATTR_NAME_SMACKIPIN * XATTR_NAME_SMACKIPOUT - * XATTR_NAME_SMACKEXEC */ - if (strcmp(name, XATTR_NAME_SMACK) == 0) + if (strcmp(name, XATTR_NAME_SMACK) == 0) { + struct super_block *sbp = d_backing_inode(dentry)->i_sb; + struct superblock_smack *sbsp = sbp->s_security; + + isp->smk_inode = sbsp->smk_default; + } else if (strcmp(name, XATTR_NAME_SMACKEXEC) == 0) isp->smk_task = NULL; else if (strcmp(name, XATTR_NAME_SMACKMMAP) == 0) isp->smk_mmap = NULL; |