fakeroot has become extremely slow inside docker #45436
Description
Description
Entering a fakeroot inside a container used to be instant but now takes about a minute.
Reproduce
docker run -it --rm alpine
apk add fakeroot
fakeroot
Expected behavior
The original behaviour - fakeroot being quick.
docker version
Client:
Version: 23.0.3
API version: 1.42
Go version: go1.20.2
Git commit: 3e7cbfdee1
Built: Wed Apr 5 13:17:36 2023
OS/Arch: linux/amd64
Context: default
Server:
Engine:
Version: 23.0.1
API version: 1.42 (minimum version 1.12)
Go version: go1.20
Git commit: bc3805a0a0
Built: Sat Feb 11 13:58:04 2023
OS/Arch: linux/amd64
Experimental: false
containerd:
Version: v1.7.0
GitCommit: 1fbd70374134b891f97ce19c70b6e50c7b9f4e0d.m
runc:
Version: 1.1.5
GitCommit:
docker-init:
Version: 0.19.0
GitCommit: de40ad0docker info
Client:
Context: default
Debug Mode: false
Plugins:
buildx: Docker Buildx (Docker Inc.)
Version: 0.10.4
Path: /usr/lib/docker/cli-plugins/docker-buildx
Server:
Containers: 95
Running: 4
Paused: 0
Stopped: 91
Images: 125
Server Version: 23.0.1
Storage Driver: overlay2
Backing Filesystem: extfs
Supports d_type: true
Using metacopy: true
Native Overlay Diff: false
userxattr: false
Logging Driver: json-file
Cgroup Driver: systemd
Cgroup Version: 2
Plugins:
Volume: local
Network: bridge host ipvlan macvlan null overlay
Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
Swarm: inactive
Runtimes: io.containerd.runc.v2 runc
Default Runtime: runc
Init Binary: docker-init
containerd version: 1fbd70374134b891f97ce19c70b6e50c7b9f4e0d.m
runc version:
init version: de40ad0
Security Options:
seccomp
Profile: builtin
cgroupns
Kernel Version: 6.2.9-1-MANJARO
Operating System: Manjaro Linux
OSType: linux
Architecture: x86_64
CPUs: 8
Total Memory: 7.495GiB
Name: manjaro-2212
ID: HBWP:AGRX:MHCB:XEVM:37M2:Z4PF:37RF:GDXA:7KP4:DERV:2JNI:XGKR
Docker Root Dir: /var/lib/docker
Debug Mode: false
Registry: https://index.docker.io/v1/
Experimental: false
Insecure Registries:
127.0.0.0/8
Live Restore Enabled: falseAdditional Info
Can also be reproduced on Fedora. Can't be reproduced with podman which is why I suspect a docker regression rather than a fakeroot one.