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docker/bsc1073877-0001-apparmor-allow-receiving-of-signals-from-docker-kill.patch
Valentin Rothberg 7e7d9a111a Accepting request 598526 from home:cyphar:containers:docker-apparmor
- Fix up the AppArmor 'docker kill' patch to work on older AppArmor versions.
  boo#1089732
  * bsc1073877-0001-apparmor-allow-receiving-of-signals-from-docker-kill.patch

OBS-URL: https://build.opensuse.org/request/show/598526
OBS-URL: https://build.opensuse.org/package/show/Virtualization:containers/docker?expand=0&rev=243
2018-04-19 12:32:33 +00:00

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Diff

From fb59d17b2617ebee34f91786428f63571a19bb74 Mon Sep 17 00:00:00 2001
From: Aleksa Sarai <asarai@suse.de>
Date: Sun, 8 Apr 2018 20:21:30 +1000
Subject: [PATCH] apparmor: allow receiving of signals from 'docker kill'
In newer kernels, AppArmor will reject attempts to send signals to a
container because the signal originated from outside of that AppArmor
profile. Correct this by allowing all unconfined signals to be received.
SUSE-Bugs: bsc#1073877 boo#1089732
Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
Signed-off-by: Aleksa Sarai <asarai@suse.de>
---
components/engine/profiles/apparmor/template.go | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/components/engine/profiles/apparmor/template.go b/components/engine/profiles/apparmor/template.go
index c5ea4584de6b..47c1b0659a15 100644
--- a/components/engine/profiles/apparmor/template.go
+++ b/components/engine/profiles/apparmor/template.go
@@ -17,6 +17,10 @@ profile {{.Name}} flags=(attach_disconnected,mediate_deleted) {
capability,
file,
umount,
+{{if ge .Version 208096}}
+{{/* Allow 'docker kill' to actually send signals to container processes. */}}
+ signal (receive) peer=unconfined,
+{{end}}
deny @{PROC}/* w, # deny write for all files directly in /proc (not in a subdir)
# deny write to files not in /proc/<number>/** or /proc/sys/**
--
2.16.3