Bug 185090
| Summary: | "install" command terribly slow when no -P option used (selinux related bug) | ||
|---|---|---|---|
| Product: | [Fedora] Fedora | Reporter: | Tomasz Ostrowski <tometzky+redhat> |
| Component: | coreutils | Assignee: | Tim Waugh <twaugh> |
| Status: | CLOSED NOTABUG | QA Contact: | |
| Severity: | low | Docs Contact: | |
| Priority: | medium | ||
| Version: | 4 | CC: | meyering |
| Target Milestone: | --- | ||
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Bug Fix | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2006-03-27 18:18:27 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
When SELinux is enabled, the two choices are: 1. set the context to be the default based on the target location 2. preserve the original file context Option 1 is the default; -P switches to option 2. If neither of these is performed, the resulting file context may well be incorrect. |
Description of problem: install command is terribly slow when no -P option is used. Version-Release number of selected component (if applicable): coreutils-5.2.1-48.1 How reproducible: Always. Steps to Reproduce: 1. touch /tmp/example1 2. time install /tmp/example1 /tmp/example2 Actual results: real 0m0.672s user 0m0.452s sys 0m0.220s Expected results: real 0m0.010s user 0m0.004s sys 0m0.004s Additional info: This delay is caused by over 1300 cycles of opening, writing and closing of "/selinux/context", seen by strace: open("/selinux/context", O_RDWR|O_LARGEFILE) = 5 write(5, "system_u:object_r:default_t\0", 28) = 28 close(5) = 0 Why does "install" do this is beyond my understanding.