Commit 12559bf5 authored Jul 01, 2020 by Robert Lubos Committed by Anas Nashif May 21, 2021

net: lwm2m: Prevent infinite loop in do_write_op_tlv function

In case unsopported TLV type or malformed packet is received, the
`do_write_op_tlv` function will end up in an infinite loop. Prevent that
by returning an error code in case it does not recognize TLV type.

Signed-off-by: Robert Lubos <robert.lubos@nordicsemi.no>

parent c1af0c22

subsys/net/lib/lwm2m/lwm2m_rw_oma_tlv.c

+2 −0

Changes for subsys/net/lib/lwm2m/lwm2m_rw_oma_tlv.c: 2 added lines, 0 removed lines.
Original line number	Diff line number	Diff line
		@@ -949,6 +949,8 @@ int do_write_op_tlv(struct lwm2m_engine_obj obj, struct lwm2m_message msg)
		msg->operation == LWM2M_OP_CREATE))) {
		return ret;
		}
		} else {
		return -ENOTSUP;
		}
		}

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