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selinux: Print 'sclass' as string when unrecognized netlink message occurs

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commit cded3fffbeab777e6ad2ec05d4a3b62c5caca0f3 upstream.

This prints the 'sclass' field as string instead of index in unrecognized netlink message.
The textual representation makes it easier to distinguish the right class.

Signed-off-by: Marek Milkovic <mmilkovi@redhat.com>
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
[PM: 80-char width fixes]
Signed-off-by: Paul Moore <pmoore@redhat.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Kevin F. Haggerty <haggertk@lineageos.org>
Change-Id: If381135745d2b7ab4c838542fcfc0ca0fd148db2
This commit is contained in:
Marek Milkovic
2020-08-08 16:42:46 +02:00
committed by matteo0026
parent b9fa31d38f
commit 2fa1eb694c
1 changed files with 3 additions and 2 deletions
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security/selinux/hooks.c
+3 -2
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@@ -4776,8 +4776,9 @@ static int selinux_nlmsg_perm(struct sock *sk, struct sk_buff *skb)
if (err == -EINVAL) {
printk(KERN_WARNING
"SELinux: unrecognized netlink message:"
" protocol=%hu nlmsg_type=%hu sclass=%hu\n",
sk->sk_protocol, nlh->nlmsg_type, sksec->sclass);
" protocol=%hu nlmsg_type=%hu sclass=%s\n",
sk->sk_protocol, nlh->nlmsg_type,
secclass_map[sksec->sclass - 1].name);
#ifdef CONFIG_ALWAYS_ENFORCE
if (security_get_allow_unknown())
#else