Bug 1480795 - /dev/shm/ecryptfs-USER-Private is modified even if mount/umount of ~/Private fails
Summary: /dev/shm/ecryptfs-USER-Private is modified even if mount/umount of ~/Private ...
Keywords:
Status: CLOSED EOL
Alias: None
Product: Fedora
Classification: Fedora
Component: ecryptfs-utils
Version: 26
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: ---
Assignee: Michal Hlavinka
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2017-08-11 22:05 UTC by Andre Costa
Modified: 2018-05-29 11:45 UTC (History)
3 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
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Clone Of:
Environment:
Last Closed: 2018-05-29 11:45:17 UTC
Type: Bug
Embargoed:


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Description Andre Costa 2017-08-11 22:05:26 UTC
Description of problem:
ecryptfs-mount-private and ecryptfs-umount-private both increment/decrement /dev/shm/ecryptfs-$USER-Private even if they fail

Version-Release number of selected component (if applicable):
ecryptfs-utils-111-2.fc25.x86_64

How reproducible:
When ecryptfs-mount-private fails because passphrase signature is not on root's keyring (see bug #1480793)

Steps to Reproduce:
1. try to mount ~/.Private if mount passphrase is not on root's keyring
2.
3.

Actual results:
mount operation fails, and /dev/shm/ecryptfs-$USER-Private is incremented

Expected results:
Since the operation failed, /dev/shm/ecryptfs-$USER-Private should not be incremented. Now, trying to umount ~/.Private gives an error:

~ ecryptfs-umount-private 
Sessions still open, not unmounting

Additional info:
The error is cumulative: the more I run ecryptfs-mount-private, the more the counter is incremented. On the other hand, ecryptfs-umount-private also decrements the counter even if it fails:

~ ecryptfs-mount-private 
Enter your login passphrase:
Inserted auth tok with sig [XXX] into the user session keyring
mount: No such file or directory

~ cat /dev/shm/ecryptfs-costa-Private 
1

~ ecryptfs-mount-private 
Enter your login passphrase:
Inserted auth tok with sig [XXX] into the user session keyring
mount: No such file or directory

~ cat /dev/shm/ecryptfs-costa-Private 
3

~ ecryptfs-umount-private 
Sessions still open, not unmounting
~ cat /dev/shm/ecryptfs-costa-Private 
2

~ ecryptfs-umount-private 
Sessions still open, not unmounting
~ cat /dev/shm/ecryptfs-costa-Private 
1

~ ecryptfs-umount-private 

~ cat /dev/shm/ecryptfs-costa-Private 
0

~ ecryptfs-umount-private 

~ cat /dev/shm/ecryptfs-costa-Private 
0

Comment 1 Fedora End Of Life 2018-05-03 08:19:36 UTC
This message is a reminder that Fedora 26 is nearing its end of life.
Approximately 4 (four) weeks from now Fedora will stop maintaining
and issuing updates for Fedora 26. It is Fedora's policy to close all
bug reports from releases that are no longer maintained. At that time
this bug will be closed as EOL if it remains open with a Fedora  'version'
of '26'.

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version prior this bug is closed as described in the policy above.

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Comment 2 Fedora End Of Life 2018-05-29 11:45:17 UTC
Fedora 26 changed to end-of-life (EOL) status on 2018-05-29. Fedora 26
is no longer maintained, which means that it will not receive any
further security or bug fix updates. As a result we are closing this bug.

If you can reproduce this bug against a currently maintained version of
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bug.

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