Backport of drivers/exec: Fix handling of capabilities for unprivileged tasks into release/1.5.x #16697
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Backport
This PR is auto-generated from #16643 to be assessed for backporting due to the inclusion of the label backport/1.5.x.
The below text is copied from the body of the original PR.
Currently, the
exec
driver is only setting the Bounding set, which isnot sufficient to actually enable the requisite capabilities for the
task process. In order for the capabilities to survive
execve
performed by libcontainer, the
Permitted
,Inheritable
, andAmbient
sets must also be set.
Per CAPABILITIES (7):
Fixes: #16642