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Harald Welte gerrit-no-reply at lists.osmocom.orgHarald Welte has submitted this change and it was merged. Change subject: paging: Drop + Log paging requests for non-existant paging groups ...................................................................... paging: Drop + Log paging requests for non-existant paging groups Change-Id: Id02c8fea51c1260f1baae8566c67bafc5bdb970e Related: OS#2992 --- M src/common/paging.c 1 file changed, 9 insertions(+), 0 deletions(-) Approvals: Harald Welte: Looks good to me, approved; Verified diff --git a/src/common/paging.c b/src/common/paging.c index d796176..c5c23d7 100644 --- a/src/common/paging.c +++ b/src/common/paging.c @@ -35,6 +35,7 @@ #include <osmocom/gsm/protocol/gsm_04_08.h> #include <osmocom/gsm/gsm0502.h> +#include <osmocom/gsm/gsm48.h> #include <osmo-bts/bts.h> #include <osmo-bts/rsl.h> @@ -177,10 +178,18 @@ const uint8_t *identity_lv, uint8_t chan_needed) { struct llist_head *group_q = &ps->paging_queue[paging_group]; + int blocks = gsm48_number_of_paging_subchannels(&ps->chan_desc); struct paging_record *pr; rate_ctr_inc2(ps->btsb->bts->ctrs, BTS_CTR_PAGING_RCVD); + if (paging_group >= blocks) { + LOGP(DPAG, LOGL_ERROR, "BSC Send PAGING for group %u, but number of paging " + "sub-channels is only %u\n", paging_group, blocks); + rate_ctr_inc2(ps->btsb->bts->ctrs, BTS_CTR_PAGING_DROP); + return -EINVAL; + } + if (ps->num_paging >= ps->num_paging_max) { LOGP(DPAG, LOGL_NOTICE, "Dropping paging, queue full (%u)\n", ps->num_paging); -- To view, visit https://gerrit.osmocom.org/6880 To unsubscribe, visit https://gerrit.osmocom.org/settings Gerrit-MessageType: merged Gerrit-Change-Id: Id02c8fea51c1260f1baae8566c67bafc5bdb970e Gerrit-PatchSet: 3 Gerrit-Project: osmo-bts Gerrit-Branch: master Gerrit-Owner: Harald Welte <laforge at gnumonks.org> Gerrit-Reviewer: Harald Welte <laforge at gnumonks.org> Gerrit-Reviewer: Jenkins Builder