From: Christian Eggers <ceggers@arri.de>
Date: Wed, 25 Feb 2026 17:07:28 +0000 (+0100)
Subject: Bluetooth: SMP: make SM/PER/KDU/BI-04-C happy
X-Git-Tag: v7.0-rc5~31^2~32^2~9
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=0e4d4dcc1a6e82cc6f9abf32193558efa7e1613d;p=thirdparty%2Fkernel%2Flinux.git

Bluetooth: SMP: make SM/PER/KDU/BI-04-C happy

The last test step ("Test with Invalid public key X and Y, all set to
0") expects to get an "DHKEY check failed" instead of "unspecified".

Fixes: 6d19628f539f ("Bluetooth: SMP: Fail if remote and local public keys are identical")
Signed-off-by: Christian Eggers <ceggers@arri.de>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
---

diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index e67bf7b34ea7..485e3468bd26 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -2743,7 +2743,7 @@ static int smp_cmd_public_key(struct l2cap_conn *conn, struct sk_buff *skb)
 	if (!test_bit(SMP_FLAG_DEBUG_KEY, &smp->flags) &&
 	    !crypto_memneq(key, smp->local_pk, 64)) {
 		bt_dev_err(hdev, "Remote and local public keys are identical");
-		return SMP_UNSPECIFIED;
+		return SMP_DHKEY_CHECK_FAILED;
 	}
 
 	memcpy(smp->remote_pk, key, 64);