In article <[EMAIL PROTECTED]> (at Thu, 08 Mar 2007 14:38:04 -0800 (PST)), David Miller <[EMAIL PROTECTED]> says:
> From: Chris Wright <[EMAIL PROTECTED]> > Date: Wed, 7 Mar 2007 23:10:48 -0800 > > > Make sure not to copy_to_user more than user's buffer can handle (we > > already checked the min, just use it) in ipv6_getsockopt_sticky. And > > while there, minor whitespace cleanup now that ipv6_getsockopt_sticky > > call can nicely fit on one line. > > > > Signed-off-by: Chris Wright <[EMAIL PROTECTED]> > > I wonder about this :-) > > This gives the user now way to figure out that ipv6_optlen(hdr) is > larger than the len they supplied. > > In other situations usually we validate the length and return -EINVAL > if it is too small. > > That might be the thing to do in this case too. We should give truncated result and return full length from the POSIX POV. --yoshfuji - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
