Commit 1fc4a3ee authored by Johannes Berg's avatar Johannes Berg
Browse files

wifi: mac80211: mesh: check element parsing succeeded 



ieee802_11_parse_elems() can return NULL, so we must
check for the return value.

Fixes: 5d24828d ("mac80211: always allocate struct ieee802_11_elems")
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
Signed-off-by: default avatarMiri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20231211085121.93dea364f3d3.Ie87781c6c48979fb25a744b90af4a33dc2d83a28@changeid


Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 98849ba2

net/mac80211/mesh_plink.c

+4 −2
Original line number Diff line number Diff line
@@ -1247,6 +1247,8 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, 
			return;

	}

	elems = ieee802_11_parse_elems(baseaddr, len - baselen, true, NULL);

	if (elems) {

		mesh_process_plink_frame(sdata, mgmt, elems, rx_status);

		kfree(elems);

	}

}