From: David Howells <dhowells@redhat.com>
To: Steve French <smfrench@gmail.com>
Cc: dhowells@redhat.com, Tom Talpey <tom@talpey.com>,
Steve French <sfrench@samba.org>,
Shyam Prasad N <nspmangalore@gmail.com>,
Rohith Surabattula <rohiths.msft@gmail.com>,
Long Li <longli@microsoft.com>,
Namjae Jeon <linkinjeon@kernel.org>,
Stefan Metzmacher <metze@samba.org>,
Jeff Layton <jlayton@kernel.org>,
linux-cifs@vger.kernel.org
Subject: Re: pcap of misbehaving fallocate over cifs rdma
Date: Thu, 26 Jan 2023 19:54:34 +0000 [thread overview]
Message-ID: <2896646.1674762874@warthog.procyon.org.uk> (raw)
In-Reply-To: <CAH2r5mupuFEw4hY7uOYjeHi08pS9vv3n30KppR_CTrKZ4xAdnw@mail.gmail.com>
Steve French <smfrench@gmail.com> wrote:
> I am puzzled ... you show the fallocate failing but why do you mention
> it sending data, sending writes
smb3_simple_fallocate_write_range() sends data.
> - when I try the fallocate you pasted above I see what is in the attached
> screenshot go over the network (no writes) - and your example looks like it
> simply doesn't send anything then resets the session at frame 93
Look at frame 92. That's the concluding packet of the write performed by
smb3_simple_fallocate_write_range().
74 4.568861795 192.168.6.2 -> 192.168.6.1 SMB2 250 Ioctl Request FSCTL_QUERY_ALLOCATED_RANGES File: hello
75 4.569429926 192.168.6.1 -> 192.168.6.2 SMB2 242 Ioctl Response FSCTL_QUERY_ALLOCATED_RANGES
77 4.680495774 192.168.6.2 -> 192.168.6.1 DDP/RDMA 1514 50018 > 5445 Send [more DDP segments]
78 4.680496219 192.168.6.2 -> 192.168.6.1 DDP/RDMA 1514 50018 > 5445 Send [more DDP segments]
79 4.680496364 192.168.6.2 -> 192.168.6.1 DDP/RDMA 1514 50018 > 5445 Send [more DDP segments]
80 4.680496552 192.168.6.2 -> 192.168.6.1 DDP/RDMA 1514 50018 > 5445 Send [more DDP segments]
81 4.680496698 192.168.6.2 -> 192.168.6.1 DDP/RDMA 1514 50018 > 5445 Send [more DDP segments]
82 4.680496844 192.168.6.2 -> 192.168.6.1 DDP/RDMA 1514 50018 > 5445 Send [more DDP segments]
83 4.680496989 192.168.6.2 -> 192.168.6.1 DDP/RDMA 1514 50018 > 5445 Send [more DDP segments]
84 4.680497177 192.168.6.2 -> 192.168.6.1 DDP/RDMA 1514 50018 > 5445 Send [more DDP segments]
88 4.680638842 192.168.6.2 -> 192.168.6.1 DDP/RDMA 1514 50018 > 5445 Send [more DDP segments]
89 4.680639016 192.168.6.2 -> 192.168.6.1 DDP/RDMA 1514 50018 > 5445 Send [more DDP segments]
90 4.680704523 192.168.6.1 -> 192.168.6.2 DDP/RDMA 114 5445 > 50018 Terminate [last DDP segment]
91 4.680735089 192.168.6.2 -> 192.168.6.1 DDP/RDMA 1514 50018 > 5445 Send [more DDP segments]
92 4.680735359 192.168.6.2 -> 192.168.6.1 SMB2 946 Write Request Len:16384 Off:204800 File: hello
David
next prev parent reply other threads:[~2023-01-26 19:55 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-24 17:48 cifs-rdma: KASAN-detected UAF when using rxe driver David Howells
2023-01-25 7:48 ` David Howells
2023-01-25 14:02 ` [PATCH] cifs: Fix oops due to uncleared server->smbd_conn in reconnect David Howells
2023-01-25 14:47 ` Tom Talpey
2023-01-26 15:20 ` David Howells
2023-01-26 19:22 ` Tom Talpey
2023-01-26 19:49 ` David Howells
2023-01-25 15:52 ` Tom Talpey
2023-01-25 20:41 ` David Howells
2023-01-25 22:24 ` Tom Talpey
2023-01-25 22:43 ` David Howells
2023-01-25 22:56 ` Tom Talpey
2023-01-26 14:42 ` pcap of misbehaving fallocate over cifs rdma David Howells
[not found] ` <CAH2r5mupuFEw4hY7uOYjeHi08pS9vv3n30KppR_CTrKZ4xAdnw@mail.gmail.com>
2023-01-26 19:54 ` David Howells [this message]
2023-01-26 20:29 ` Tom Talpey
2023-01-26 20:47 ` David Howells
2023-01-25 23:42 ` [PATCH] cifs: Fix oops due to uncleared server->smbd_conn in reconnect Namjae Jeon
2023-01-25 16:20 ` Steve French
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=2896646.1674762874@warthog.procyon.org.uk \
--to=dhowells@redhat.com \
--cc=jlayton@kernel.org \
--cc=linkinjeon@kernel.org \
--cc=linux-cifs@vger.kernel.org \
--cc=longli@microsoft.com \
--cc=metze@samba.org \
--cc=nspmangalore@gmail.com \
--cc=rohiths.msft@gmail.com \
--cc=sfrench@samba.org \
--cc=smfrench@gmail.com \
--cc=tom@talpey.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox