On Tue, May 9, 2017 at 6:03 PM, Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote: > On Tue, May 09, 2017 at 06:02:50AM -0700, Christoph Hellwig wrote: >> On Tue, May 09, 2017 at 06:00:01AM -0700, Andy Lutomirski wrote: >> > fs/splice.c has some, ahem, interesting uses that have been the source >> > of nasty exploits in the past. Converting them to use iov_iter >> > properly would be really, really nice. Christoph, I don't suppose >> > you'd like to do that? >> >> I can take care of all the fs code including this one. > > I spent the afternoon hacking up where I'd like this to head. It's > completely untested as of now: > > http://git.infradead.org/users/hch/vfs.git/shortlog/refs/heads/setfs-elimination My older time64_t syscall series has the side-effect of doing something like this to the time-related compat handlers in kernel/compat.c. If nobody else has started looking at removing set_fs from those, I can extract the relevant parts from my series. Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-s390" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
