[gstreamer-bugs] [Bug 608901] New: Problem using gnomevfssrc and ssh protocol

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=608901
  GStreamer | gst-plugins-base | 0.10.25

           Summary: Problem using gnomevfssrc and ssh protocol
    Classification: Desktop
           Product: GStreamer
           Version: 0.10.25
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-base
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: tiagokatcipis at gmail.com
         QAContact: gstreamer-bugs at lists.sourceforge.net
      GNOME target: ---
     GNOME version: ---


Created an attachment (id=152933)
 --> (https://bugzilla.gnome.org/attachment.cgi?id=152933)
source code that reproduces the error.

I'm developing an application that does heavy use on the gnomevfssrc plugin to
load urls from different protocols, most of the urls are ssh. Everything was
going fine since we started to notice an odd behaviour on our tests, when the
application receives the request to open the same ssh url multiple times it
gives a lot of warnings, and sometimes it even crash.

Because of that odd behaviour i made a simple application reproducing this
problem, basically you pass a url and how many pipes reading that url at the
same time you want, it is just a gnomevfssrc ! fakesink pipe (on more complex
pipelines the error is the same). With this code test if you open even a
hundred times the same http address it works fine, but if you open 3 or more
times the same ssh url, it gets this error (it is the same error i get on the
real application, sometimes the errors are bigger but it is the same warnings
multiple times before the crash):

(gnomevfs_ssh:5316): gnome-vfs-modules-CRITICAL **: Message length too long:
1761607680
(gnomevfs_ssh:5316): gnome-vfs-modules-WARNING **: ID mismatch (15 != 5)
(gnomevfs_ssh:5316): gnome-vfs-modules-CRITICAL **: Message length too long:
1728053248
(gnomevfs_ssh:5316): gnome-vfs-modules-CRITICAL **: Message length too long:
100663312
(gnomevfs_ssh:5316): gnome-vfs-modules-CRITICAL **: Could not read 1 bytes
(gnomevfs_ssh:5316): gnome-vfs-modules-CRITICAL **: Could not read 4 bytes
(gnomevfs_ssh:5316): gnome-vfs-modules-CRITICAL **: ID mismatch (4286513152 !=
8)
(gnomevfs_ssh:5316): gnome-vfs-modules-CRITICAL **: Expected
SSH2_FXP_HANDLE(102) packet, got 0
(gnomevfs_ssh:5316): gnome-vfs-modules-CRITICAL **: Could not read 4 bytes
GLib-ERROR **: /build/buildd/glib2.0-2.22.3/glib/gmem.c:136: failed to allocate
18446744073701097472 bytes
aborting...
Aborted

I don't know if it is something that i am doing wrong, but i suppose i am
allowed to open the same url multiple times to do different processing on that
url, so it sens like a bug on gnomevfssrc, the fact that file and http
protocols works fine is an indicative that the problem is related to
gnomevfssrc and ssh (i didn't tested with others protocols like smb or ftp, but
the test code can test any of these).

Of course when the test is run with only one pipeline reading the ssh url it
works just fine, no warnings or errors are given, 2 or more makes things go
ugly.

The tests have been made on Ubuntu 9.10 32 bits and 64 bits with gstreamer
0.10.25 (same error on both).

the source code of the test can be found on:
https://svn.inf.ufsc.br/katcipis/c/gstreamer/gnomevfs_ssh_bug/

or on the attachment.

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