On Tue, Apr 11, 2017 at 04:53:36PM -0400, Dave Jones wrote:
> > if (WARN_ON(pipe->nrbufs)) {
> > printk(KERN_ERR "->splice_write = %p",
> > sd->u.file->f_op->splice_write);
> > }
> > }
>
> Ah, missed adding this 2nd WARN_ON.
Good - it means that we don't have to chase memory corruption yet. That
smells like some ->splice_write() claiming it has copied more than it
has drained from the pipe.
> I'll turn it back off, and retry with the missing WARN from above added.
Please, do. And it would be nice if you printed sd->u.file->f_op as well
(in the same printk).
