From c0b37ae4c6cee96e2d6ae755b32c039cba38f4b2 Mon Sep 17 00:00:00 2001 From: Marcin Niesluchowski Date: Tue, 19 Aug 2014 14:26:32 +0200 Subject: [PATCH 37/54] Smack: Fix setting label on successful file open While opening with CAP_MAC_OVERRIDE file label is not set. Other calls may access it after CAP_MAC_OVERRIDE is dropped from process. Signed-off-by: Marcin Niesluchowski --- security/smack/smack_lsm.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index 1befb0a..97eab635 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -1477,8 +1477,10 @@ static int smack_file_open(struct file *file, const struct cred *cred) struct smk_audit_info ad; int rc; - if (smack_privileged(CAP_MAC_OVERRIDE)) + if (smack_privileged(CAP_MAC_OVERRIDE)) { + file->f_security = isp->smk_inode; return 0; + } smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_PATH); smk_ad_setfield_u_fs_path(&ad, file->f_path); -- 2.1.4