Also add libelf-dev as this is needed for ORC_UNWINDER. While this is only
a feature of 4.14.x we added it to all Dockerfiles to keep things in synch.
Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
Commit 31c8c4942820 ("security/keys: add CONFIG_KEYS_COMPAT
to Kconfig") moved the KEYS_COMPAT config option to a different
section. Adjust config file.
Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
REFCOUNT_FULL enables full reference count validation. There is a
potential slow down but ti protects against certain use-after-free
attacks.
Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
On 4.13 and 4.14 kernels GCC_PLUGIN_RANDSTRUCT can be use to randomise
some kernel data structures such as structs with function pointers.
We also select GCC_PLUGIN_RANDSTRUCT_PERFORMANCE which
tries harder to restrict randomisation to cache-lines in order to reduce
performance impact.
Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
The 4.13 and 4.14 kernels support GCC_PLUGIN_STRUCTLEAK, a GCC plugin
to zero initialise any structures with the __user attribute to prevent
information exposure.
On 4.14 kernels also enable GCC_PLUGIN_STRUCTLEAK_BYREF_ALL which is
an extension of the above
Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
The recent iso9660wrap vendoring bump means this does now work, but it seems
pointless in this case so skip.
Relates to https://github.com/linuxkit/kubernetes/issues/4
Signed-off-by: Ian Campbell <ijc@docker.com>
This code was identical in the QEMU and HyperKit cases. Move it to util.go and
wrap it in a function, with minimal changes for returning an error.
Signed-off-by: Ian Campbell <ijc@docker.com>
Implements https://github.com/moby/tool/pull/181
Design for things like Kubernetes setup that requires some cgroups to
exist when the service starts but it is not running in these, other
services are, so there would be a race if they are not created in each.
Essentially it is just a sugared `mkdir` in all the cgroup dirs.
Signed-off-by: Justin Cormack <justin.cormack@docker.com>
Before the alpine base image is multi-arch and signed, the
DOCKER_CONTENT_TRUST=1 doesn't work on AArch64 for 'docker build'.
Now since the alpine base image is already multi-arch and signed,
also we've used 'push_manifest.sh' to push and sign linuxkit/image,
so we can remove this workaround.
Signed-off-by: Dennis Chen <dennis.chen@arm.com>
Currently one has to click down through a sequence of nested directories in the web UI:
↓ Container 0
↓ go/
↓ src/
↓ github.com/
↓ linuxkit/
↓ linuxkit/
↓ bin/
«actual binaries»
Which is super tedious.
Signed-off-by: Ian Campbell <ijc@docker.com>
