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BACKPORT: FROMGIT: [PATCH] selinux: fix handling of uninitialized selinux state in

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get_bools/classes

If security_get_bools/classes are called before the selinux state is
initialized (i.e. before first policy load), then they should just
return immediately with no booleans/classes.

Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: Jebaitedneko <Jebaitedneko@gmail.com>
Signed-off-by: azrim <mirzaspc@gmail.com>
This commit is contained in:
Stephen Smalley 2021-06-29 15:35:09 +05:30 committed by azrim
parent d9022c4e5d
commit 92941cb641
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GPG Key ID: 497F8FB059B45D1C
1 changed files with 13 additions and 0 deletions
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13
security/selinux/ss/services.c
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@ -2831,6 +2831,13 @@ int security_get_bools(struct selinux_state *state,
struct policydb *policydb;
int i, rc;
if (!state->initialized) {
*len = 0;
*names = NULL;
*values = NULL;
return 0;
}
read_lock(&state->ss->policy_rwlock);
policydb = &state->ss->policydb;
@ -3164,6 +3171,12 @@ int security_get_classes(struct selinux_state *state,
struct policydb *policydb = &state->ss->policydb;
int rc;
if (!state->initialized) {
*nclasses = 0;
*classes = NULL;
return 0;
}
read_lock(&state->ss->policy_rwlock);
rc = -ENOMEM;