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selinux: correct the return value when loads initial sids

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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: e3e0b582c3 ("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>
This commit is contained in:
Xiu Jianfeng 2021-07-29 11:16:44 +08:00 committed by AuxXxilium
parent 9196424e89
commit 05af1b5cdd
1 changed files with 4 additions and 6 deletions
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10
security/selinux/ss/policydb.c
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@ -874,7 +874,7 @@ int policydb_load_isids(struct policydb *p, struct sidtab *s)
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 *p, struct sidtab *s)
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 *p, struct sidtab *s)
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)