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authorEric Paris <eparis@redhat.com>2014-02-20 10:56:45 -0500
committerPaul Moore <pmoore@redhat.com>2014-02-20 12:07:58 -0500
commit9085a6422900092886da8c404e1c5340c4ff1cbf (patch)
tree453d7a50745b254265182b602b2818d8b925d4bf /security
parent2172fa709ab32ca60e86179dc67d0857be8e2c98 (diff)
downloadop-kernel-dev-9085a6422900092886da8c404e1c5340c4ff1cbf.zip
op-kernel-dev-9085a6422900092886da8c404e1c5340c4ff1cbf.tar.gz
SELinux: bigendian problems with filename trans rules
When writing policy via /sys/fs/selinux/policy I wrote the type and class of filename trans rules in CPU endian instead of little endian. On x86_64 this works just fine, but it means that on big endian arch's like ppc64 and s390 userspace reads the policy and converts it from le32_to_cpu. So the values are all screwed up. Write the values in le format like it should have been to start. Signed-off-by: Eric Paris <eparis@redhat.com> Acked-by: Stephen Smalley <sds@tycho.nsa.gov> Cc: stable@vger.kernel.org Signed-off-by: Paul Moore <pmoore@redhat.com>
Diffstat (limited to 'security')
-rw-r--r--security/selinux/ss/policydb.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c
index c0f4988..9c5cdc2ca 100644
--- a/security/selinux/ss/policydb.c
+++ b/security/selinux/ss/policydb.c
@@ -3338,10 +3338,10 @@ static int filename_write_helper(void *key, void *data, void *ptr)
if (rc)
return rc;
- buf[0] = ft->stype;
- buf[1] = ft->ttype;
- buf[2] = ft->tclass;
- buf[3] = otype->otype;
+ buf[0] = cpu_to_le32(ft->stype);
+ buf[1] = cpu_to_le32(ft->ttype);
+ buf[2] = cpu_to_le32(ft->tclass);
+ buf[3] = cpu_to_le32(otype->otype);
rc = put_entry(buf, sizeof(u32), 4, fp);
if (rc)
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