diff options
| -rw-r--r-- | src/common/oml.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/src/common/oml.c b/src/common/oml.c index 8bc31f85..e544b571 100644 --- a/src/common/oml.c +++ b/src/common/oml.c @@ -1102,10 +1102,17 @@ static int down_fom(struct gsm_bts *bts, struct msgb *msg) } if (msgb_l3len(msg) > oh->length) { - LOGP(DOML, LOGL_NOTICE, "OML message with %u extraneous bytes at end: %s\n", - msgb_l3len(msg) - oh->length, msgb_hexdump(msg)); - /* remove extra bytes at end */ - msgb_l3trim(msg, oh->length); + if (oh->mdisc == ABIS_OM_MDISC_FOM && oh->data[0] == NM_MT_GET_ATTR && + msgb_l3len(msg) == oh->length + 3) { + /* work-around a bug present in OsmoBSC before February 2019 */ + DEBUGP(DOML, "GET ATTR with off-by-3 length: Fixing up for OS#3799\n"); + oh->length += 3; + } else { + LOGP(DOML, LOGL_NOTICE, "OML message with %u extraneous bytes at end: %s\n", + msgb_l3len(msg) - oh->length, msgb_hexdump(msg)); + /* remove extra bytes at end */ + msgb_l3trim(msg, oh->length); + } } if (report_bts_number_incorrect(bts, foh, true)) |