Change in osmo-bsc[master]: abis_rsl: fix NULL pointer dereference in abis_rsl_rx_rll()

fixeria has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-bsc/+/27860 ) Change subject: abis_rsl: fix NULL pointer dereference in abis_rsl_rx_rll() ...................................................................... abis_rsl: fix NULL pointer dereference in abis_rsl_rx_rll() Found with GCC's static analyzer (-fanalyzer). Change-Id: I620538388f6971418980b03a6a1b2384e7c87e15 --- M src/osmo-bsc/abis_rsl.c 1 file changed, 2 insertions(+), 0 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-bsc refs/changes/60/27860/1 diff --git a/src/osmo-bsc/abis_rsl.c b/src/osmo-bsc/abis_rsl.c index 03e409d..5c8be50 100644 --- a/src/osmo-bsc/abis_rsl.c +++ b/src/osmo-bsc/abis_rsl.c @@ -2520,6 +2520,8 @@ sapi = rllh->link_id & 0x7; msg->lchan = lchan_lookup(sign_link->trx, rllh->chan_nr, "Abis RSL rx RLL: "); + if (OSMO_UNLIKELY(msg->lchan == NULL)) + return -1; switch (rllh->c.msg_type) { case RSL_MT_DATA_IND: -- To view, visit https://gerrit.osmocom.org/c/osmo-bsc/+/27860 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-bsc Gerrit-Branch: master Gerrit-Change-Id: I620538388f6971418980b03a6a1b2384e7c87e15 Gerrit-Change-Number: 27860 Gerrit-PatchSet: 1 Gerrit-Owner: fixeria <vyanitskiy(a)sysmocom.de> Gerrit-MessageType: newchange