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Description of problem:
When the installer is executed in rescue mode and the existing system is mounted by anaconda in read-write mode, the logs stored in /mnt/sysroot/var/log/anaconda are rewritten and SELinux context of some files may be changed. This happens right after anaconda mounts the detected system.
In other words, %post scripts from https://github.com/rhinstaller/anaconda/tree/rhel-8/data/post-scripts are executed even in rescue mode, which is not expected.
Version-Release number of selected component (if applicable):
RHEL-8.8 GA
How reproducible:
Always
Steps to Reproduce:
1. Install a RHEL system
2. Create a file in /root with an unexpected SELinux context:
# touch /root/my_file
# chcon -t httpd_sys_content_t /root/my_file
3. Start the installer in rescue mode ("inst.rescue" on the kernel command line)
4. Let anaconda find and mount the existing partitions
5. Check logs in /mnt/sysroot/var/log/anaconda and SELinux context of /mnt/sysroot/root/my_file
Actual results:
/mnt/sysroot/var/log/anaconda contains logs from the current rescue mode
The SELinux context of /mnt/sysroot/root/my_file is reset to the default
Expected results:
No changes made in the system being rescued.
Additional info:
A workaround to avoid rewriting /var/log/anaconda is to append "inst.nosave=all" on the kernel command line when starting rescue mode.
Comment 3RHEL Program Management
2023-09-18 16:36:05 UTC
Issue migration from Bugzilla to Jira is in process at this time. This will be the last message in Jira copied from the Bugzilla bug.
Comment 4RHEL Program Management
2023-09-18 17:31:06 UTC
This BZ has been automatically migrated to the issues.redhat.com Red Hat Issue Tracker. All future work related to this report will be managed there.
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