From: Dave Jiang <[EMAIL PROTECTED]>
Date: Wed, 17 Aug 2005 10:19:20 -0700

> Should the kernel intercept the flags field at the point where it knows 
> whether it's invoking a 32bit call or 64bit and strip the flag if it 
> shouldn't be there to prevent something like this?

The flags field should be checked for invalid bits at
the socket call level before any of the MSG_CMSG_COMPAT
stuff runs.
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