[sr-dev] git:master:4f13c9a2: dialog: safety check for dialog hash table inside dlg_get()

[Daniel-Constantin Mierla]

Module: kamailio
Branch: master
Commit: 4f13c9a291eeeb2f3d3b7654308b13396fe020af
URL: https://github.com/kamailio/kamailio/commit/4f13c9a291eeeb2f3d3b7654308b13396fe020af

Author: Daniel-Constantin Mierla <miconda at gmail.com>
Committer: Daniel-Constantin Mierla <miconda at gmail.com>
Date: 2018-07-19T10:29:05+02:00

dialog: safety check for dialog hash table inside dlg_get()

- GH #1594

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Modified: src/modules/dialog/dlg_hash.c

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Diff:  https://github.com/kamailio/kamailio/commit/4f13c9a291eeeb2f3d3b7654308b13396fe020af.diff
Patch: https://github.com/kamailio/kamailio/commit/4f13c9a291eeeb2f3d3b7654308b13396fe020af.patch

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diff --git a/src/modules/dialog/dlg_hash.c b/src/modules/dialog/dlg_hash.c
index 23955eaf5e..a6c8cdeb7b 100644
--- a/src/modules/dialog/dlg_hash.c
+++ b/src/modules/dialog/dlg_hash.c
@@ -801,6 +801,10 @@ struct dlg_cell* get_dlg( str *callid, str *ftag, str *ttag, unsigned int *dir)
 	struct dlg_cell *dlg;
 	unsigned int he;
 
+	if(d_table==NULL) {
+		LM_ERR("dialog hash table not available\n");
+		return 0;
+	}
 	he = core_hash(callid, 0, d_table->size);
 	dlg = internal_get_dlg(he, callid, ftag, ttag, dir, 0);