On Thu, May 23, 2019 at 10:06:34AM +0800, Liu Bo wrote: > Reported by fstests/generic/467. > > open_by_handle_at() called from fuse inside guest can carry fuse mount > point to daemon but lo_do_lookup() doesn't know its inode info because > it's out of fuse's scope, thus lo_inode(req, parent) ends up with > returning a NULL dir and breaks virtiofsd immediately. > > Note that it'd break applications that uses open_by_handle_at. > > It seems to me that nothing could be done to support open_by_handle_at in > this case. > > This simply tells fuse a ENOENT error so that open_by_handle_at() in guest > can get a ESTALE. > > Signed-off-by: Liu Bo <[email protected]> > --- > contrib/virtiofsd/passthrough_ll.c | 8 ++++++++ > 1 file changed, 8 insertions(+)
Reviewed-by: Stefan Hajnoczi <[email protected]>
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