pespin has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-bts/+/29908 )

Change subject: osmux: Fix null ptr dereference sending UL data before the remote is configured ......................................................................

osmux: Fix null ptr dereference sending UL data before the remote is configured

Related: SYS#6161 Change-Id: I5d7971c0ed9b22d35d8965af54031a43c6388762 --- M src/common/osmux.c 1 file changed, 4 insertions(+), 0 deletions(-)

git pull ssh://gerrit.osmocom.org:29418/osmo-bts refs/changes/08/29908/1

diff --git a/src/common/osmux.c b/src/common/osmux.c index 3f137e5..acf3a1d 100644 --- a/src/common/osmux.c +++ b/src/common/osmux.c @@ -493,6 +493,10 @@ rtph = (struct rtp_hdr *)msgb_data(msg); rtph->marker = marker;

+ /* Avoid using the osmux.in if not yet connected. */ + if (!lchan_osmux_connected(lchan)) + return -1; + while ((rc = osmux_xfrm_input(lchan->abis_ip.osmux.in, msg, lchan->abis_ip.osmux.remote_cid)) > 0) { /* batch full, build and deliver it */