[PATCH 5.13 139/175] selinux: correct the return value when loads initial sids
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2021-08-10 18:08:18
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From: Xiu Jianfeng <xiujianfeng@huawei.com>
commit 4c156084daa8ee70978e4b150b5eb5fc7b1f15be upstream.
It should not return 0 when SID 0 is assigned to isids.
This patch fixes it.
Cc: stable@vger.kernel.org
Fixes: e3e0b582c321a ("selinux: remove unused initial SIDs and improve handling")
Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com>
[PM: remove changelog from description]
Signed-off-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
security/selinux/ss/policydb.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
--- a/security/selinux/ss/policydb.c
+++ b/security/selinux/ss/policydb.c@@ -874,7 +874,7 @@ int policydb_load_isids(struct policydb rc = sidtab_init(s); if (rc) { pr_err("SELinux: out of memory on SID table init\n"); - goto out; + return rc; } head = p->ocontexts[OCON_ISID];
@@ -885,7 +885,7 @@ int policydb_load_isids(struct policydb if (sid == SECSID_NULL) { pr_err("SELinux: SID 0 was assigned a context.\n"); sidtab_destroy(s); - goto out; + return -EINVAL; } /* Ignore initial SIDs unused by this kernel. */
@@ -897,12 +897,10 @@ int policydb_load_isids(struct policydb pr_err("SELinux: unable to load initial SID %s.\n", name); sidtab_destroy(s); - goto out; + return rc; } } - rc = 0; -out: - return rc; + return 0; } int policydb_class_isvalid(struct policydb *p, unsigned int class)