Review at https://gerrit.osmocom.org/5662
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
---
M src/gprs/gprs_llc.c
1 file changed, 9 insertions(+), 2 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-sgsn refs/changes/62/5662/1
diff --git a/src/gprs/gprs_llc.c b/src/gprs/gprs_llc.c
index 1a7cf3d..6c92f83 100644
--- a/src/gprs/gprs_llc.c
+++ b/src/gprs/gprs_llc.c
@@ -372,8 +372,15 @@
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));
--
To view, visit https://gerrit.osmocom.org/5662
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Gerrit-MessageType: newchange
Gerrit-Change-Id: I07a40960920dbc594192530c3a145f9a5d2a9c81
Gerrit-PatchSet: 1
Gerrit-Project: osmo-sgsn
Gerrit-Branch: master
Gerrit-Owner: Neels Hofmeyr <[email protected]>
