netdev - Fw: [Bug 15907] New: IP_ADD_SOURCE_MEMBERSHIP after IP_ADD_MEMBERSHIP join on same multicast-group dont return EINVAL

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Date:	Wed, 5 May 2010 08:21:38 -0700
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	netdev@...r.kernel.org
Subject: Fw: [Bug 15907] New: IP_ADD_SOURCE_MEMBERSHIP after
 IP_ADD_MEMBERSHIP join on same multicast-group dont return EINVAL



Begin forwarded message:

Date: Wed, 5 May 2010 09:48:40 GMT
From: bugzilla-daemon@...zilla.kernel.org
To: shemminger@...ux-foundation.org
Subject: [Bug 15907] New: IP_ADD_SOURCE_MEMBERSHIP after IP_ADD_MEMBERSHIP join on same multicast-group dont return EINVAL


https://bugzilla.kernel.org/show_bug.cgi?id=15907

           Summary: IP_ADD_SOURCE_MEMBERSHIP after IP_ADD_MEMBERSHIP join
                    on same multicast-group dont return EINVAL
           Product: Networking
           Version: 2.5
    Kernel Version: 2.6.34-rc6
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: IPV4
        AssignedTo: shemminger@...ux-foundation.org
        ReportedBy: mail@...ller.de
        Regression: No


Created an attachment (id=26225)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=26225)
asm+ssm join test program

When an SSM IP_ADD_SOURCE_MEMBERSHIP is done after an ASM IP_ADD_MEMBERSHIP
join on the same group(& same interface) the setsockopt operation should return
EINVAL.

The linux implementation returns successfull



https://www3.tools.ietf.org/html/rfc3678#section-4.1.3

I attached an simple C test program.

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