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| author | Sascha Grunert <sgrunert@suse.com> | 2020-01-24 15:33:34 +0100 |
|---|---|---|
| committer | Sascha Grunert <sgrunert@suse.com> | 2020-01-24 15:34:47 +0100 |
| commit | c49bc1f176f0f49764f92db7f63e68037a0c0f18 (patch) | |
| tree | be931fdda8df63ebb6327793ab20f6b28a1860f2 | |
| parent | 5bad873c4cd9fab9112e1d84ba376d47073cc8bb (diff) | |
| download | podman-c49bc1f176f0f49764f92db7f63e68037a0c0f18.tar.gz podman-c49bc1f176f0f49764f92db7f63e68037a0c0f18.tar.bz2 podman-c49bc1f176f0f49764f92db7f63e68037a0c0f18.zip | |
apparmor: allow receiving of signals from 'podman 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.
Signed-off-by: Sascha Grunert <sgrunert@suse.com>
| -rw-r--r-- | pkg/apparmor/apparmor_linux_template.go | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/pkg/apparmor/apparmor_linux_template.go b/pkg/apparmor/apparmor_linux_template.go index 163ba3792..8d9a92ef7 100644 --- a/pkg/apparmor/apparmor_linux_template.go +++ b/pkg/apparmor/apparmor_linux_template.go @@ -17,6 +17,12 @@ profile {{.Name}} flags=(attach_disconnected,mediate_deleted) { file, umount, +{{if ge .Version 208096}} + # Allow signals from privileged profiles and from within the same profile + signal (receive) peer=unconfined, + signal (send,receive) peer={{.Name}}, +{{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/** deny @{PROC}/{[^1-9],[^1-9][^0-9],[^1-9s][^0-9y][^0-9s],[^1-9][^0-9][^0-9][^0-9]*}/** w, |