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| author | Pascal Quantin <pascal.quantin@gmail.com> | 2017-06-04 16:42:48 +0200 |
|---|---|---|
| committer | Pascal Quantin <pascal.quantin@gmail.com> | 2017-06-04 15:51:01 +0000 |
| commit | 6d29f50d61de03f73a2a9336378b1c846ae65924 (patch) | |
| tree | 0dd3422ff3c79868c08679e384b47d134754ab19 | |
| parent | 88cf898c4409d4267ef11eb6676cca5c8b05c435 (diff) | |
GSM A DTAP: fix detection of missing first mandatory element
Bug: 13760
Change-Id: I1c062420f96104a46e5d1478eb054f086f942b54
Reviewed-on: https://code.wireshark.org/review/21946
Petri-Dish: Pascal Quantin <pascal.quantin@gmail.com>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Pascal Quantin <pascal.quantin@gmail.com>
| -rw-r--r-- | epan/dissectors/packet-gsm_a_dtap.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/epan/dissectors/packet-gsm_a_dtap.c b/epan/dissectors/packet-gsm_a_dtap.c index 4006bbe915..f65e3a883d 100644 --- a/epan/dissectors/packet-gsm_a_dtap.c +++ b/epan/dissectors/packet-gsm_a_dtap.c @@ -6974,14 +6974,15 @@ dissect_dtap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data) if (msg_str == NULL) return len; - if (offset >= len) return len; - /* * decode elements */ if (dtap_msg_fcn == NULL) { - proto_tree_add_item(dtap_tree, hf_gsm_a_dtap_message_elements, tvb, offset, len - offset, ENC_NA); + if (offset < len) + { + proto_tree_add_item(dtap_tree, hf_gsm_a_dtap_message_elements, tvb, offset, len - offset, ENC_NA); + } } else { |