https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13198
Bug ID: 13198
Summary: tshark fails to pass RPC-over-RDMA frames to RPC
subdissector
Product: Wireshark
Version: unspecified
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: Normal
Priority: Low
Component: TShark
Assignee: bugzilla-ad...@wireshark.org
Reporter: chuck.le...@oracle.com
Created attachment 15101
--> https://bugs.wireshark.org/bugzilla/attachment.cgi?id=15101&action=edit
Capture containing frames which should be displayed as NFS
Build Information:
TShark (Wireshark) 2.3.0 (v2.3.0rc0-1604-g11894f8)
Copyright 1998-2016 Gerald Combs <ger...@wireshark.org> and contributors.
License GPLv2+: GNU GPL version 2 or later
<http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Compiled (64-bit) with libpcap, with POSIX capabilities (Linux), with libnl 3,
with GLib 2.48.2, with zlib 1.2.8, with SMI 0.4.8, with c-ares 1.12.0, without
Lua, with GnuTLS 3.4.16, with Gcrypt 1.6.6, with MIT Kerberos, with GeoIP,
without nghttp2, without LZ4, without Snappy.
Running on Linux 4.8.10-200.fc24.x86_64, with Intel(R) Core(TM) i7-5557U CPU @
3.10GHz (with SSE4.2), with 1981 MB of physical memory, with locale
en_US.UTF-8,
with libpcap version 1.7.4, with GnuTLS 3.4.16, with Gcrypt 1.6.6, with zlib
1.2.8.
Built using gcc 6.2.1 20160916 (Red Hat 6.2.1-2).
--
With "tshark -V" the RPC-over-RDMA dissector passes the RPC payload to the RPC
dissector (and then it passes the payload to the correct RPC program
dissector).
Without "-V", the RPC-over-RDMA dissector does not pass the payload on for more
dissection.
A sample wire capture is attached. See frames 54ff.
54 0.005801 LID: 11 → LID: 5 RPCoRDMA 94 RDMA_MSG XID
0x7155124a[Malformed Packet]
55 0.005802 LID: 5 → LID: 11 InfiniBand 30 RC Acknowledge
QP=0x000224
56 0.005826 LID: 5 → LID: 11 RPCoRDMA 78 RDMA_MSG XID
0x7155124a[Malformed Packet]
57 0.005828 LID: 11 → LID: 5 InfiniBand 30 RC Acknowledge
QP=0x00020f
58 0.006610 LID: 11 → LID: 5 RPCoRDMA 166 RDMA_MSG XID
0x7255124a[Malformed Packet]
59 0.006610 LID: 5 → LID: 11 InfiniBand 30 RC Acknowledge
QP=0x000224
60 0.006650 LID: 5 → LID: 11 RPCoRDMA 134 RDMA_MSG XID
0x7255124a[Malformed Packet]
61 0.006651 LID: 11 → LID: 5 InfiniBand 30 RC Acknowledge
QP=0x00020f
These are valid RPC, and should be further dissected as RPC and NFS frames.
--
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