Fix race #16924 [panic: runtime error: slice bounds out of range] docker daemon crash of racing
Upstream-commit: d35a1f2868692fb351e2ea84efc0014468fff293
Component: engine
The race is between pools.Put which calls buf.Reset and exec.Cmd
doing io.Copy from the buffer; it caused a runtime crash, as
described in #16924:
``` docker-daemon cat the-tarball.xz | xz -d -c -q | docker-untar /path/to/... (aufs ) ```
When docker-untar side fails (like try to set xattr on aufs, or a broken
tar), invokeUnpack will be responsible to exhaust all input, otherwise
`xz` will be write pending for ever.
this change add a receive only channel to cmdStream, and will close it
to notify it's now safe to close the input stream;
in CmdStream the change to use Stdin / Stdout / Stderr keeps the
code simple, os/exec.Cmd will spawn goroutines and call io.Copy automatically.
the CmdStream is actually called in the same file only, change it
lowercase to mark as private.
[...]
INFO[0000] Docker daemon commit=0a8c2e3 execdriver=native-0.2 graphdriver=aufs version=1.8.2
DEBU[0006] Calling POST /build
INFO[0006] POST /v1.20/build?cgroupparent=&cpuperiod=0&cpuquota=0&cpusetcpus=&cpusetmems=&cpushares=0&dockerfile=Dockerfile&memory=0&memswap=0&rm=1&t=gentoo-x32&ulimits=null
DEBU[0008] [BUILDER] Cache miss
DEBU[0009] Couldn't untar /home/lib-docker-v1.8.2-tmp/tmp/docker-build316710953/stage3-x32-20151004.tar.xz to /home/lib-docker-v1.8.2-tmp/aufs/mnt/d909abb87150463939c13e8a349b889a72d9b14f0cfcab42a8711979be285537: Untar re-exec error: exit status 1: output: operation not supported
DEBU[0009] CopyFileWithTar(/home/lib-docker-v1.8.2-tmp/tmp/docker-build316710953/stage3-x32-20151004.tar.xz, /home/lib-docker-v1.8.2-tmp/aufs/mnt/d909abb87150463939c13e8a349b889a72d9b14f0cfcab42a8711979be285537/)
panic: runtime error: slice bounds out of range
goroutine 42 [running]:
bufio.(*Reader).fill(0xc208187800)
/usr/local/go/src/bufio/bufio.go:86 +0x2db
bufio.(*Reader).WriteTo(0xc208187800, 0x7ff39602d150, 0xc2083f11a0, 0x508000, 0x0, 0x0)
/usr/local/go/src/bufio/bufio.go:449 +0x27e
io.Copy(0x7ff39602d150, 0xc2083f11a0, 0x7ff3960261f8, 0xc208187800, 0x0, 0x0, 0x0)
/usr/local/go/src/io/io.go:354 +0xb2
github.com/docker/docker/pkg/archive.func·006()
/go/src/github.com/docker/docker/pkg/archive/archive.go:817 +0x71
created by github.com/docker/docker/pkg/archive.CmdStream
/go/src/github.com/docker/docker/pkg/archive/archive.go:819 +0x1ec
goroutine 1 [chan receive]:
main.(*DaemonCli).CmdDaemon(0xc20809da30, 0xc20800a020, 0xd, 0xd, 0x0, 0x0)
/go/src/github.com/docker/docker/docker/daemon.go:289 +0x1781
reflect.callMethod(0xc208140090, 0xc20828fce0)
/usr/local/go/src/reflect/value.go:605 +0x179
reflect.methodValueCall(0xc20800a020, 0xd, 0xd, 0x1, 0xc208140090, 0x0, 0x0, 0xc208140090, 0x0, 0x45343f, ...)
/usr/local/go/src/reflect/asm_amd64.s:29 +0x36
github.com/docker/docker/cli.(*Cli).Run(0xc208129fb0, 0xc20800a010, 0xe, 0xe, 0x0, 0x0)
/go/src/github.com/docker/docker/cli/cli.go:89 +0x38e
main.main()
/go/src/github.com/docker/docker/docker/docker.go:69 +0x428
goroutine 5 [syscall]:
os/signal.loop()
/usr/local/go/src/os/signal/signal_unix.go:21 +0x1f
created by os/signal.init·1
/usr/local/go/src/os/signal/signal_unix.go:27 +0x35
Signed-off-by: Derek Ch <denc716@gmail.com>
Upstream-commit: b48f4bf5239280b99c781a33000b4d4687967c34
Component: engine
this allows jsonfile logger to collect extra metadata from containers with
`--log-opt labels=label1,label2 --log-opt env=env1,env2`.
Extra attributes are saved into `attrs` attributes for each log data.
Signed-off-by: Daniel Dao <dqminh@cloudflare.com>
Upstream-commit: 0083f6e984894b4d3697c1ae63547c07eea697af
Component: engine
Use `net.SplitHostPort` which supports ipv6 rather than relying on
splitting on `:`
Signed-off-by: Brian Goff <cpuguy83@gmail.com>
Upstream-commit: a82e3bc7043d4bd256cc6fee76307d6286f57f0d
Component: engine
All the go-lint work forced any existing "Uid" -> "UID", but seems to
not have the same rules for Gid, so stat package has calls UID() and
Gid().
Docker-DCO-1.1-Signed-off-by: Phil Estes <estesp@linux.vnet.ibm.com> (github: estesp)
Upstream-commit: 79240b9eafa08001912d5b360a654b1ad9cd1d20
Component: engine
Adds support for the daemon to handle user namespace maps as a
per-daemon setting.
Support for handling uid/gid mapping is added to the builder,
archive/unarchive packages and functions, all graphdrivers (except
Windows), and the test suite is updated to handle user namespace daemon
rootgraph changes.
Docker-DCO-1.1-Signed-off-by: Phil Estes <estesp@linux.vnet.ibm.com> (github: estesp)
Upstream-commit: 442b45628ee12ebd8e8bd08497896d5fa8eec4bd
Component: engine
The `pkg/idtools` package supports the creation of user(s) for
retrieving /etc/sub{u,g}id ranges and creation of the UID/GID mappings
provided to clone() to add support for user namespaces in Docker.
Docker-DCO-1.1-Signed-off-by: Phil Estes <estesp@linux.vnet.ibm.com> (github: estesp)
Upstream-commit: 9a3ab0358ecd657e3754677ff52250fd6cca4422
Component: engine
This leverages recent additions to libkv enabling client
authentication via TLS so the discovery back-end can be locked
down with mutual TLS. Example usage:
docker daemon [other args] \
--cluster-advertise 192.168.122.168:2376 \
--cluster-store etcd://192.168.122.168:2379 \
--cluster-store-opt kv.cacertfile=/path/to/ca.pem \
--cluster-store-opt kv.certfile=/path/to/cert.pem \
--cluster-store-opt kv.keyfile=/path/to/key.pem
Signed-off-by: Daniel Hiltgen <daniel.hiltgen@docker.com>
Upstream-commit: 124792a8714425283226c599ee69cbeac2e4d650
Component: engine
also fix a typo in pkg/truncindex package comment
Signed-off-by: Antonio Murdaca <amurdaca@redhat.com>
Upstream-commit: 292a1564dca2f32b9158a6886fadee1cc184f987
Component: engine
progressreader.Broadcaster becomes broadcaster.Buffered and
broadcastwriter.Writer becomes broadcaster.Unbuffered.
The package broadcastwriter is thus renamed to broadcaster.
Signed-off-by: Tibor Vass <tibor@docker.com>
Upstream-commit: 2391233404e2e6892c79a24f31cc99715c086b21
Component: engine
This patch creates interfaces in builder/ for building Docker images.
It is a first step in a series of patches to remove the daemon
dependency on builder and later allow a client-side Dockerfile builder
as well as potential builder plugins.
It is needed because we cannot remove the /build API endpoint, so we
need to keep the server-side Dockerfile builder, but we also want to
reuse the same Dockerfile parser and evaluator for both server-side and
client-side.
builder/dockerfile/ and api/server/builder.go contain implementations
of those interfaces as a refactoring of the current code.
Signed-off-by: Tibor Vass <tibor@docker.com>
Upstream-commit: e0ef11a4c2c6789e08b61df082b5b9aa70898e7a
Component: engine
Finally here is the patch to implement deferred deletion functionality.
Deferred deleted devices are marked as "Deleted" in device meta file.
First we try to delete the device and only if deletion fails and user has
enabled deferred deletion, device is marked for deferred deletion.
When docker starts up again, we go through list of deleted devices and
try to delete these again.
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Upstream-commit: d929589c1fc4538dcd1b2a7a3dc7d4afbdfa72fd
Component: engine
Got merged with it, removing it as it doesn't add anything.
Signed-off-by: Vincent Demeester <vincent@sbr.pm>
Upstream-commit: 1dcb7d9e40d0ee5f9ab068fed55d3072246ce8ec
Component: engine
Although having a request ID available throughout the codebase is very
valuable, the impact of requiring a Context as an argument to every
function in the codepath of an API request, is too significant and was
not properly understood at the time of the review.
Furthermore, mixing API-layer code with non-API-layer code makes the
latter usable only by API-layer code (one that has a notion of Context).
This reverts commit de4164043546d2b9ee3bf323dbc41f4979c84480, reversing
changes made to 7daeecd42d7bb112bfe01532c8c9a962bb0c7967.
Signed-off-by: Tibor Vass <tibor@docker.com>
Conflicts:
api/server/container.go
builder/internals.go
daemon/container_unix.go
daemon/create.go
Upstream-commit: b08f071e18043abe8ce15f56826d38dd26bedb78
Component: engine
This fixes the case where directory is removed in
aufs and then the same layer is imported to a
different graphdriver.
Currently when you do `rm -rf /foo && mkdir /foo`
in a layer in aufs the files under `foo` would
only be be hidden on aufs.
The problems with this fix:
1) When a new diff is recreated from non-aufs driver
the `opq` files would not be there. This should not
mean layer differences for the user but still
different content in the tar (one would have one
`opq` file, the others would have `.wh.*` for every
file inside that folder). This difference also only
happens if the tar-split file isn’t stored for the
layer.
2) New files that have the filenames before `.wh..wh..opq`
when they are sorted do not get picked up by non-aufs
graphdrivers. Fixing this would require a bigger
refactoring that is planned in the future.
Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
Upstream-commit: 00e3277107a63218b656a36457caf380f9cabf37
Component: engine
