Bug 702172 - groupadd fails to rename group file across filesystem boundary
groupadd fails to rename group file across filesystem boundary
Product: Fedora
Classification: Fedora
Component: shadow-utils (Show other bugs)
x86_64 Linux
unspecified Severity low
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Assigned To: Peter Vrabec
Fedora Extras Quality Assurance
Depends On:
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Reported: 2011-05-04 20:11 EDT by Michael Dale Long
Modified: 2012-08-16 11:07 EDT (History)
2 users (show)

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Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
: 848929 (view as bug list)
Last Closed: 2012-08-16 11:07:37 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Michael Dale Long 2011-05-04 20:11:10 EDT
Description of problem:

Attempting to add a group fails because the call to rename /etc/group+ to /path/on/other/fs/group fails.

Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
1.  Move /etc/group to another filesystem (e.g. /mnt/group).
2.  Symlink /etc/group to /mnt/group
3.  Attempt to add a group with 'groupadd test'
Actual results:

Groupadd fails to add a group:
"groupadd: failure while writing changes to /etc/group"

Expected results:

Groupadd should add the group successfully.

Additional info:

From strace output, it appears that the call to rename('/etc/group+', '/mnt/etc/group') is the failure point.  A possible solution would be to ensure group+ is created in the same directory as group.
Comment 1 Michael Dale Long 2011-05-04 20:24:25 EDT
This appears to happen to passwd, shadow, and gshadow as well, probably for similar reasons.
Comment 2 Fedora End Of Life 2012-08-16 11:07:45 EDT
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