Thanks. Should the fuzz tester(s) enable all dissectors by default? If I “enable all protocols”, then currently the enabled_protos file lists these 3: prp, stcsig and transum. - Chris
From: Wireshark-dev [mailto:wireshark-dev-boun...@wireshark.org] On Behalf Of Pascal Quantin Sent: Tuesday, September 18, 2018 4:26 AM To: Developer support list for Wireshark <wireshark-dev@wireshark.org> Subject: Re: [Wireshark-dev] Unhandled exception https://code.wireshark.org/review/c/29715/ Cheers, Pascal. Le mar. 18 sept. 2018 à 10:22, Pascal Quantin <pascal.quan...@gmail.com<mailto:pascal.quan...@gmail.com>> a écrit : I'm uploading a patch. Pascal. Le mar. 18 sept. 2018 à 10:20, Pascal Quantin <pascal.quan...@gmail.com<mailto:pascal.quan...@gmail.com>> a écrit : Hi Anders, Le mar. 18 sept. 2018 à 10:19, Anders Broman <anders.bro...@ericsson.com<mailto:anders.bro...@ericsson.com>> a écrit : Hi, I think that the problem is that one of these fields has changed name, but debugging the registration phase is hard on Windows as the console is not open...GRR this seems to be the ssl.record.content_type field. We should check if we can make Transum more robust to this kind of errors in the future. * The following are the field ids for the protocol values used by TRANSUM. Make sure they line up with ehf_of_interest order */ HF_OF_INTEREST_INFO hf_of_interest[HF_INTEREST_END_OF_LIST] = { { -1, "ip.proto" }, { -1, "ipv6.nxt" }, { -1, "tcp.analysis.retransmission" }, { -1, "tcp.analysis.keep_alive" }, { -1, "tcp.flags.syn" }, { -1, "tcp.flags.ack" }, { -1, "tcp.flags.reset" }, { -1, "tcp.flags.urg" }, { -1, "tcp.seq" }, { -1, "tcp.srcport" }, { -1, "tcp.dstport" }, { -1, "tcp.stream" }, { -1, "tcp.len" }, { -1, "udp.srcport" }, { -1, "udp.dstport" }, { -1, "udp.stream" }, { -1, "udp.length" }, { -1, "ssl.record.content_type" }, { -1, "tds.type" }, { -1, "tds.length" }, { -1, "smb.mid" }, { -1, "smb2.sesid" }, { -1, "smb2.msg_id" }, { -1, "smb2.cmd" }, { -1, "dcerpc.ver" }, { -1, "dcerpc.pkt_type" }, { -1, "dcerpc.cn_call_id" }, { -1, "dcerpc.cn_ctx_id" }, { -1, "dns.id<http://dns.id>"}, }; Regards Anders -----Original Message----- From: Wireshark-dev <wireshark-dev-boun...@wireshark.org<mailto:wireshark-dev-boun...@wireshark.org>> On Behalf Of João Valverde Sent: den 18 september 2018 10:10 To: wireshark-dev@wireshark.org<mailto:wireshark-dev@wireshark.org> Subject: Re: [Wireshark-dev] Unhandled exception On 18/09/18 01:07, Maynard, Chris wrote: > Thanks for the tips Richard, but after some additional testing and some > head-scratching, I discovered the source of the problem was something in my > profile, because if I switched to a pristine profile, then master ran fine. > Through divide-and-conquer/trial-and-error, I discovered that it was due to > enabling the transum dissector, although I can't figure out why enabling the > transum dissector causes this, and then only for master. Enabling it for > 2.6.2 seems fine. > > Maybe someone could just confirm if they also experience this exception if > they enable the transum dissector? If confirmed, I will file a bug report. Confirmed on the latest master. Enabling transum crashes wireshark. > The exception, for reference: > > Unhandled exception ("proto.c:6497: failed assertion "(guint)hfid < > gpa_hfinfo.len" (Unregistered hf!)", group=1, code=6) > > Thanks. > - Chris > > -----Original Message----- > From: Wireshark-dev > [mailto:wireshark-dev-boun...@wireshark.org<mailto:wireshark-dev-boun...@wireshark.org>] > On Behalf Of Richard Sharpe > Sent: Monday, September 17, 2018 4:22 PM > To: Developer support list for Wireshark > <wireshark-dev@wireshark.org<mailto:wireshark-dev@wireshark.org>> > Subject: Re: [Wireshark-dev] Unhandled exception > > <snip> CONFIDENTIALITY NOTICE: This message is the property of International Game Technology PLC and/or its subsidiaries and may contain proprietary, confidential or trade secret information. This message is intended solely for the use of the addressee. If you are not the intended recipient and have received this message in error, please delete this message from your system. Any unauthorized reading, distribution, copying, or other use of this message or its attachments is strictly prohibited.
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