Fixes CVE-2021-30465: runc 1.0.0-rc94 and earlier are vulnerable to a symlink
exchange attack whereby an attacker can request a seemingly-innocuous container
configuration that actually results in the host filesystem being bind-mounted
into the container, allowing for a container escape.
Signed-off-by: Christian Stewart <christian@paral.in>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
(cherry picked from commit 96c23d1d0f)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
10c2e6c588