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selinux: default to security isid in sel_make_bools() if no sid is found 

Use SECINITSID_SECURITY as the default SID for booleans which don't have
a matching SID returned from security_genfs_sid(), also update the
error message to a warning which matches this.

This prevents the policy failing to load (and consequently the system
failing to boot) when there is no default genfscon statement matched for
the selinuxfs in the new policy.

Signed-off-by: Gary Tierney <gary.tierney@gmx.com>
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: Paul Moore <paul@paul-moore.com>
zero-colors
Gary Tierney 2017-01-09 10:07:32 -05:00 committed by Paul Moore
parent 4262fb51c9
commit 900fde06cb
1 changed files with 3 additions and 3 deletions
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6
security/selinux/selinuxfs.c
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@ -1311,9 +1311,9 @@ static int sel_make_bools(void)
isec = (struct inode_security_struct *)inode->i_security;
ret = security_genfs_sid("selinuxfs", page, SECCLASS_FILE, &sid);
if (ret) {
pr_err("SELinux: failed to lookup sid for %s\n", page);
goto out;
pr_warn_ratelimited("SELinux: no sid found, defaulting to security isid for %s\n",
page);
sid = SECINITSID_SECURITY;
}
isec->sid = sid;