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Merge remote-tracking branches 'asoc/fix/blackfin', 'asoc/fix/da9055', 'asoc/fix...
[firefly-linux-kernel-4.4.55.git]
/
security
/
selinux
/
ss
/
services.c
diff --git
a/security/selinux/ss/services.c
b/security/selinux/ss/services.c
index c93c21127f0cc5b6bc55c2930fdfe2441dc2a19c..5d0144ee8ed6d58e1f75043edcd7995cf1ca3a0e 100644
(file)
--- a/
security/selinux/ss/services.c
+++ b/
security/selinux/ss/services.c
@@
-1232,6
+1232,10
@@
static int security_context_to_sid_core(const char *scontext, u32 scontext_len,
struct context context;
int rc = 0;
+ /* An empty security context is never valid. */
+ if (!scontext_len)
+ return -EINVAL;
+
if (!ss_initialized) {
int i;