https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13197
Bug ID: 13197 Summary: RPC-over-RDMA frames with chunk lists are "Malformed" 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 15100 --> https://bugs.wireshark.org/bugzilla/attachment.cgi?id=15100&action=edit Wire capture containing RPC-over-RDMA frames with Read lists Build Information: TShark (Wireshark) 2.3.0 (v2.3.0rc0-1602-g7275c79) 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). -- A sample wire capture is attached. "tshark -V" displays the RPC-over-RDMA portion of frame 124 like this: RPC over RDMA XID: 0x8255124a Version: 0x00000001 Flow Control: 0x00000080 Message Type: RDMA_MSG (0x00000000) Reads (count: 1) Position in XDR: 0x10011d0a RDMA handle: 0x00100000 RDMA length: 0x00000008 RDMA offset: 0x53a9d00000000000 Position in XDR: 0x00000000 RDMA handle: 0x00000000 RDMA length: 0x8255124a RDMA offset: 0x0000000000000002 Position in XDR: 0x000186a3 RDMA handle: 0x00000003 RDMA length: 0x00000007 RDMA offset: 0x0000000100000034 Position in XDR: 0x0041a31f RDMA handle: 0x00000015 RDMA length: 0x6d616e65 RDMA offset: 0x742e313031356772 Position in XDR: 0x616e6765 RDMA handle: 0x722e6e65 RDMA length: 0x74000000 RDMA offset: 0x0000041600000064 Position in XDR: 0x00000002 RDMA handle: 0x0000000a RDMA length: 0x00000064 RDMA offset: 0x0000000000000000 Position in XDR: 0x00000020 RDMA handle: 0x01000601 RDMA length: 0x453cd1c2 RDMA offset: 0xe37b4c6297260204 Position in XDR: 0x7e9ed236 RDMA handle: 0x6c3e2b58 RDMA length: 0x4d570000 RDMA offset: 0x0000000000000000 Position in XDR: 0x00000000 RDMA handle: 0x00100000 RDMA length: 0x00000002 [Malformed Packet: RPCoRDMA] [Expert Info (Error/Malformed): Malformed Packet (Exception occurred)] [Malformed Packet (Exception occurred)] This is wrong. There is only one 1048576-byte Read chunk in this frame at XDR position 148. See also frame 385. Write list and Reply chunk dissection is also broken. -- You are receiving this mail because: You are watching all bug changes.
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