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Garbage on embedded DNS port crashes daemon #20350

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lheckemann opened this issue Feb 16, 2016 · 3 comments
Closed

Garbage on embedded DNS port crashes daemon #20350

lheckemann opened this issue Feb 16, 2016 · 3 comments
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@sanimej
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area/networking kind/bug Bugs are bugs. The cause may or may not be known at triage time so debugging may be needed. priority/P1 Important: P1 issues are a top priority and a must-have for the next release.
Milestone
1.10.2

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@lheckemann
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I'm running debian stable.
uname -a:

Linux computer 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt20-1+deb8u3 (2016-01-17) x86_64 GNU/Linux

docker version:

Client:
 Version:      1.10.1
 API version:  1.22
 Go version:   go1.5.3
 Git commit:   9e83765
 Built:        Thu Feb 11 19:09:42 2016
 OS/Arch:      linux/amd64

Server:
 Version:      1.10.1
 API version:  1.22
 Go version:   go1.5.3
 Git commit:   9e83765
 Built:        Thu Feb 11 19:09:42 2016
 OS/Arch:      linux/amd64

docker info:

Containers: 11
 Running: 0
 Paused: 0
 Stopped: 11
Images: 169
Server Version: 1.10.1
Storage Driver: aufs
 Root Dir: /var/lib/docker/aufs
 Backing Filesystem: extfs
 Dirs: 202
 Dirperm1 Supported: true
Execution Driver: native-0.2
Logging Driver: json-file
Plugins: 
 Volume: local
 Network: bridge null host
Kernel Version: 3.16.0-4-amd64
Operating System: Debian GNU/Linux 8 (jessie)
OSType: linux
Architecture: x86_64
CPUs: 8
Total Memory: 15.62 GiB
Name: computer
ID: DZVQ:A2VP:KUGX:AGI5:RFIA:JDHO:HHB6:JACK:6QXK:4YRS:B6NP:VTU2

To reproduce:

$ docker network create crash
$ docker run -ti --net crash debian bash
container# apt-get update && apt-get -y install netcat-traditional
container# echo "hello" | nc -u 127.0.0.11 53

Expected results: daemon doesn't crash
Actual results: daemon crashes
@thaJeztah thaJeztah added this to the 1.10.2 milestone Feb 16, 2016
@thaJeztah thaJeztah added the kind/bug Bugs are bugs. The cause may or may not be known at triage time so debugging may be needed. label Feb 16, 2016
@thaJeztah
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I was able to reproduce this, thanks for reporting!

@thaJeztah thaJeztah added the priority/P0 Urgent: Security, critical bugs, blocking issues. drop everything until this issue is addressed. label Feb 16, 2016
@tiborvass tiborvass added priority/P1 Important: P1 issues are a top priority and a must-have for the next release. and removed priority/P0 Urgent: Security, critical bugs, blocking issues. drop everything until this issue is addressed. labels Feb 16, 2016
@sanimej sanimej mentioned this issue Feb 16, 2016
Merged
@aboch aboch mentioned this issue Feb 18, 2016
Merged
@sanimej sanimej mentioned this issue Feb 19, 2016
Merged
@tiborvass
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Reopening because it was fixed in master but not for 1.10.2

@tiborvass tiborvass reopened this Feb 19, 2016
@tiborvass
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Fixed by #20510

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@sanimej sanimej

Labels
area/networking kind/bug Bugs are bugs. The cause may or may not be known at triage time so debugging may be needed. priority/P1 Important: P1 issues are a top priority and a must-have for the next release.
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Milestone
1.10.2
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4 participants
@lheckemann @tiborvass @thaJeztah @sanimej