On Tue, Nov 22, 2016 at 07:58:29PM -0800, Alexei Starovoitov wrote:
> Hi Al,
>
> it seems the following commit 523ac9afc73a ("switch
> default_file_splice_read() to use of pipe-backed iov_iter")
> breaks sendfile from 9p fs into af_alg socket.
> sendfile into af_alg is used by iproute2/tc.
> I'm not sure whether it's 9p or crypto or vfs problem, but happy to test any
> patches.Could you try -rc6 (or anything that contains 680bb946a1ae04, for that matter)?

