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authorAnish Bhatt <anish@chelsio.com>2015-12-12 13:54:29 -0800
committerMichael Mann <mmann78@netscape.net>2015-12-13 12:55:13 +0000
commit23379ae3624df82c170f48e5bb3250a97ec61c13 (patch)
treec33de4a62e4fc7df00d262ba79b915742797a571 /asn1
parent4e43fc490a23086848011fd94b276949b9bfdf71 (diff)
NBAP : Verify conversation proto data exists before trying to access it
Bug 11841 Change-Id: Ic0dea6491a68a042ddc0f2dbee19739e4568b18c Reviewed-on: https://code.wireshark.org/review/12576 Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com> Tested-by: Alexis La Goutte <alexis.lagoutte@gmail.com> Reviewed-by: Michael Mann <mmann78@netscape.net>
Diffstat (limited to 'asn1')
-rw-r--r--asn1/nbap/nbap.cnf9
1 files changed, 6 insertions, 3 deletions
diff --git a/asn1/nbap/nbap.cnf b/asn1/nbap/nbap.cnf
index c1089ab1dd..f2d7c924bd 100644
--- a/asn1/nbap/nbap.cnf
+++ b/asn1/nbap/nbap.cnf
@@ -1410,6 +1410,7 @@ guint32 no_ddi_entries, i;
address dst_addr, null_addr;
conversation_t *conversation,*old_conversation = NULL;
umts_fp_conversation_info_t *umts_fp_conversation_info _U_;
+void *conv_proto_data = NULL;
transportLayerAddress_ipv4 = 0;
BindingID_port = 0;
@@ -1454,9 +1455,11 @@ BindingID_port = 0;
if(actx->pinfo->link_dir==P2P_DIR_DL){
umts_fp_conversation_info = wmem_new0(wmem_file_scope(), umts_fp_conversation_info_t);
/* Steal the old information */
- if (old_conversation)
- memcpy(umts_fp_conversation_info,conversation_get_proto_data(old_conversation, proto_fp),sizeof(umts_fp_conversation_info_t));
-
+ if (old_conversation) {
+ conv_proto_data = conversation_get_proto_data(old_conversation, proto_fp);
+ if (conv_proto_data)
+ memcpy(umts_fp_conversation_info,conv_proto_data,sizeof(umts_fp_conversation_info_t));
+ }
/* Overwrite the data */
umts_fp_conversation_info->iface_type = IuB_Interface;
umts_fp_conversation_info->division = Division_FDD;