Re: btrfs bio linked list corruption.

From: Dave Jones
Date: Tue Oct 11 2016 - 11:20:55 EST

On Tue, Oct 11, 2016 at 04:11:39PM +0100, Al Viro wrote:
> On Tue, Oct 11, 2016 at 10:45:08AM -0400, Dave Jones wrote:
> > This is from Linus' current tree, with Al's iovec fixups on top.
> Those iovec fixups are in the current tree...

ah yeah, git quietly dropped my local copy when I rebased so I didn't notice.

> TBH, I don't see anything
> in splice-related stuff that could come anywhere near that (short of
> some general memory corruption having random effects of that sort).
> Could you try to bisect that sucker, or is it too hard to reproduce?

Only hit it the once overnight so far. Will see if I can find a better way to
reproduce today.