[Podman] Re: Why can't I run a simple /bin/bash command from root on RHEL 8.5?

Saving the lives of countless bits by chopping the debug output down. This smells like it might be a conmon issue,  Peter Hunt, have you run into this in the past? INFO[0000] Running conmon under slice machine.slice and unitName libpod-conmon-c198a57f8fb8eebb2c8f391341fbb8bf0c02b84be2ee5b8b648e675adf07fb72.scope INFO[0000] Got Conmon PID as 527872 */bin/bash: error while loading shared libraries: libtinfo.so.6: cannot change memory protections* * * t On 1/28/22 14:37, Peter Portante wrote: > > > On Fri, Jan 28, 2022 at 11:30 AM Nalin Dahyabhai <nalin(a)redhat.com&gt; > wrote: > > On Thu, Jan 27, 2022 at 12:17:52PM -0500, Peter Portante wrote: > > We are struggling to understand why we can run rootless > containers on RHEL > > 8.5. > > > > Why can't I do the following (as described at [1]) as a > non-root user: > > > > [pportant@intlab-006 ~]$ podman run --rm --name=myubi -it > > registry.access.redhat.com/ubi8/ubi > <http://registry.access.redhat.com/ubi8/ubi> /bin/bash > > [pportant@intlab-006 ~]$ echo $? > > 0 > > > > Shouldn't that start an interactive shell in the container? > > > > When I run as root I see: > > > > [root@intlab-006 ~]# podman run --rm --name=myubi -it > > registry.access.redhat.com/ubi8/ubi > <http://registry.access.redhat.com/ubi8/ubi> /bin/bash > > [root@intlab-006 ~]# echo $? > > 127 > > > > While on another RHEL 8.5 host it works just fine: > > > > [pportant@intlabproxy-002 ~]$ podman run --rm --name=myubi -it > > registry.access.redhat.com/ubi8/ubi > <http://registry.access.redhat.com/ubi8/ubi> /bin/bash > > [root@a9ef24a2578b /]# > > > > Any help would be appreciated. > > What differences do you see between the two situations when you > pass a > --log-level=info, or --log-level=debug, to podman? > > > *[root@intlab-006 ~]# podman --log-level=info run --rm --name=myubi > -it registry.access.redhat.com/ubi8/ubi > <http://registry.access.redhat.com/ubi8/ubi> /bin/bash > *INFO[0000] podman filtering at log level info > INFO[0000] Not using native diff for overlay, this may cause degraded > performance for building images: kernel has > CONFIG_OVERLAY_FS_REDIRECT_DIR enabled > INFO[0000] Found CNI network podman (type=bridge) at > /etc/cni/net.d/87-podman-bridge.conflist > INFO[0000] Setting parallel job count to 97 > INFO[0000] Got pod network &{Name:myubi Namespace:myubi > ID:c198a57f8fb8eebb2c8f391341fbb8bf0c02b84be2ee5b8b648e675adf07fb72 > NetNS:/run/netns/cni-e0647a42-5e73-d803-a59b-b6d7102a61d3 > Networks:[{Name:podman Ifname:eth0}] RuntimeConfig:map[podman:{IP: > MAC: PortMappings:[] Bandwidth:<nil> IpRanges:[]}] Aliases:map[]} > INFO[0000] Adding pod myubi_myubi to CNI network "podman" (type=bridge) > INFO[0000] Running conmon under slice machine.slice and unitName > libpod-conmon-c198a57f8fb8eebb2c8f391341fbb8bf0c02b84be2ee5b8b648e675adf07fb72.scope > INFO[0000] Got Conmon PID as 527872 > */bin/bash: error while loading shared libraries: libtinfo.so.6: > cannot change memory protections > * >

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