On Thu, May 8, 2014 at 2:45 AM, Michael Kerrisk (man-pages) <mtk.manpages@xxxxxxxxx> wrote: > On 08/09/2013 08:58 PM, Andy Lutomirski wrote: >> The current text reflects the general worry in the kernel about >> recipients of O_PATH fds being able to hardlink the referenced files. >> It turns out that it was possible to link these files regardless of >> any possible security concerns. >> >> Linux 3.11 removes the capability chech in AT_EMPTY_PATH. I expect >> that this functionality will be generally useful, so let's document it >> better. > > Andy, > > Again, long after the fact, sorry. But, I've applied this now (with > your spelling "chech" fixed in the change log, as you mentioned in the > follow-on mail). > > Nicely constructed patch by the way: I liked the way that the additions > to the linkat() text explained why capability check (and thus the man > page text describing the need for that check) was removed. Thanks. Unfortunately, this was reverted in f0cc6ffb8ce8961db587e5072168cac0cbc25f05 due to never-quite-explained security issues. :( --Andy -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
