diff mbox series

[BlueZ,2/4] mesh: Verify padding bits in Friend Poll messages

Message ID 20221004082530.25719-3-isak.westin@loytec.com
State New
Headers show
Series Mesh: Fixes for friendship procedures | expand

Commit Message

Isak Westin Oct. 4, 2022, 8:25 a.m. UTC 
The padding bits in a Friend Poll message must be zero.
See MshPRFv1.0.1 section 3.6.5.1.
---
 mesh/net.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/mesh/net.c b/mesh/net.c
index 379a6e250..a8a527c2f 100644
--- a/mesh/net.c
+++ b/mesh/net.c
@@ -2059,7 +2059,7 @@  static bool ctl_received(struct mesh_net *net, uint32_t net_key_id,
 		break;
 
 	case NET_OP_FRND_POLL:
-		if (len != 1 || ttl)
+		if (len != 1 || ttl || pkt[0] > 1)
 			return false;
 
 		print_packet("Rx-NET_OP_FRND_POLL", pkt, len);