diff options
| author | Neels Hofmeyr <neels@hofmeyr.de> | 2017-12-27 17:29:04 +0100 |
|---|---|---|
| committer | Neels Hofmeyr <nhofmeyr@sysmocom.de> | 2018-01-11 11:05:32 +0000 |
| commit | 188a91c35a843e2eef1c3a7eb6d365963114d851 (patch) | |
| tree | 1152d74f9b0fdf64c2694fa7a6a7eafbd9310918 | |
| parent | e0ed7d949f3b647282848749381a2ddd1afdbb54 (diff) | |
gprs_llc: tx dl ud: make mismatching LLE not crash osmo-sgsn
On 34c3, osmo-sgsn keeps restarting. At least once, it hits the assertion that
this patch replaces with an error message, to not disrupt operation.
Change-Id: I07a40960920dbc594192530c3a145f9a5d2a9c81
| -rw-r--r-- | src/gprs/gprs_llc.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/gprs/gprs_llc.c b/src/gprs/gprs_llc.c index 1a7cf3db8..6c92f8334 100644 --- a/src/gprs/gprs_llc.c +++ b/src/gprs/gprs_llc.c @@ -372,8 +372,15 @@ static int _bssgp_tx_dl_ud(struct msgb *msg, struct sgsn_mm_ctx *mmctx) dup.ms_ra_cap.v = mmctx->ms_radio_access_capa.buf; /* make sure we only send it to the right llme */ - OSMO_ASSERT(msgb_tlli(msg) == mmctx->gb.llme->tlli - || msgb_tlli(msg) == mmctx->gb.llme->old_tlli); + if (!(msgb_tlli(msg) == mmctx->gb.llme->tlli + || msgb_tlli(msg) == mmctx->gb.llme->old_tlli)) { + LOGP(DLLC, LOGL_ERROR, + "_bssgp_tx_dl_ud(): Attempt to send Downlink Unitdata to wrong LLME:" + " msgb_tlli=0x%x mmctx->gb.llme->tlli=0x%x ->old_tlli=0x%x\n", + msgb_tlli(msg), mmctx->gb.llme->tlli, mmctx->gb.llme->old_tlli); + msgb_free(msg); + return -EINVAL; + } } memcpy(&dup.qos_profile, qos_profile_default, sizeof(qos_profile_default)); |