cgroup2: allow mounting /sys/fs/cgroup in UserNS without unsharing CgroupNS #2159
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…roupNS Bind-mount /sys/fs/cgroup when we are in UserNS but CgroupNS is not unshared, because we cannot mount cgroup2. This behavior correspond to crun v0.10.2. Fix opencontainers#2158 Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
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Bind-mount
/sys/fs/cgroupwhen we are in UserNS but CgroupNS is not unshared,because we cannot mount
cgroup2.This behavior correspond to crun v0.10.2.
https://github.com/containers/crun/blob/4325a78320852aa5dacb4d403ae01b241413068c/src/libcrun/linux.c#L433-L459
Fix #2158
Signed-off-by: Akihiro Suda akihiro.suda.cz@hco.ntt.co.jp