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Very briefly. With IPv6 enabled, and this entry in default-address-pools (daemon.json):
default-address-pools
daemon.json
, {"base":"fd0d:0ce5::/48", "size": 80}
Dockerd fails to start, crashes with fatal error: runtime: out of memory.
fatal error: runtime: out of memory
Crash log: ubQ795Mx.txt
As can be easily found in the crash log, OOM happens while in ipamutils.splitNetworks:
ipamutils.splitNetworks
libnetwork/ipamutils/utils.go
Lines 92 to 93 in 3797618
The config shown, {"base":"fd0d:0ce5::/48", "size": 80} — denotes 2³² /80 subnets. This is over 4 billion subnets.
{"base":"fd0d:0ce5::/48", "size": 80}
Related issue: moby/moby#40275
Client: Version: 20.10.21 API version: 1.41 Go version: go1.18.1 Git commit: 20.10.21-0ubuntu1~22.04.3 Built: Thu Apr 27 05:57:17 2023 OS/Arch: linux/amd64 Context: default Experimental: true Server: Engine: Version: 20.10.21 API version: 1.41 (minimum version 1.12) Go version: go1.18.1 Git commit: 20.10.21-0ubuntu122.04.3 Built: Thu Apr 27 05:37:25 2023 OS/Arch: linux/amd64 Experimental: true containerd: Version: 1.7.12 GitCommit: runc: Version: 1.1.12-0ubuntu222.04.1 GitCommit: docker-init: Version: 0.19.0 GitCommit:
Client: Version: 20.10.21 API version: 1.41 Go version: go1.18.1 Git commit: 20.10.21-0ubuntu1~22.04.3 Built: Thu Apr 27 05:57:17 2023 OS/Arch: linux/amd64 Context: default Experimental: true
Server: Engine: Version: 20.10.21 API version: 1.41 (minimum version 1.12) Go version: go1.18.1 Git commit: 20.10.21-0ubuntu122.04.3 Built: Thu Apr 27 05:37:25 2023 OS/Arch: linux/amd64 Experimental: true containerd: Version: 1.7.12 GitCommit: runc: Version: 1.1.12-0ubuntu222.04.1 GitCommit: docker-init: Version: 0.19.0 GitCommit:
The text was updated successfully, but these errors were encountered:
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Very briefly. With IPv6 enabled, and this entry in
default-address-pools
(daemon.json
):Dockerd fails to start, crashes with
fatal error: runtime: out of memory
.Crash log: ubQ795Mx.txt
As can be easily found in the crash log, OOM happens while in
ipamutils.splitNetworks
:libnetwork/ipamutils/utils.go
Lines 92 to 93 in 3797618
The config shown,
{"base":"fd0d:0ce5::/48", "size": 80}
— denotes 2³² /80 subnets. This is over 4 billion subnets.Related issue: moby/moby#40275
docker version
The text was updated successfully, but these errors were encountered: