Project Number Date
test_Tails_ISO_20524-warn-danger-unplug-usb-stick 60 09 Dec 2024, 07:06

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 11:9.225 Passed
Tags: @product @slow @not_release_blocker
Feature System memory erasure on shutdown
As a Tails user when I shutdown Tails I want the system memory to be free from sensitive data.
Tags: @product @slow @not_release_blocker
19.892
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.152
And I prepare Tails for memory erasure tests 0.442
When I start a process allocating 128 MiB of memory with a known pattern 1.300
Then patterns cover at least 128 MiB in the guest's memory 3.391 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.981
Then I find very few patterns in the guest's memory after 3 seconds 5.625 
Pattern coverage: 0.000% (0 MiB out of 691 MiB reference memory)
After features/support/hooks.rb:326 0.719
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.131
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.229
And I prepare Tails for memory erasure tests 0.391
And I find very few patterns in the guest's memory 2.952 
Pattern coverage: 0.000% (0 MiB out of 699 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.203
Then patterns cover at least 99% of the test FS size in the guest's memory 3.239 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.263
Then I find very few patterns in the guest's memory after 3 seconds 5.852 
Pattern coverage: 0.000% (0 MiB out of 699 MiB reference memory)
After features/support/hooks.rb:326 1.537
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.281
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.376
And I prepare Tails for memory erasure tests 0.451
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.168
Then I find very few patterns in the guest's memory 2.702 
Pattern coverage: 0.000% (0 MiB out of 704 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.603
Then patterns cover at least 75% of the test FS size in the guest's memory 3.397 
Pattern coverage: 82.061% (104 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.137
Then I find very few patterns in the guest's memory after 3 seconds 6.059 
Pattern coverage: 0.000% (0 MiB out of 704 MiB reference memory)
# read cache
When I mount the USB drive again 0.236
And I read the content of the test FS 0.811
Then patterns cover at least 99% of the test FS size in the guest's memory 4.042 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.400
Then I find very few patterns in the guest's memory after 3 seconds 6.894 
Pattern coverage: 0.000% (0 MiB out of 704 MiB reference memory)
After features/support/hooks.rb:326 0.711
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.733
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.355
And I prepare Tails for memory erasure tests 0.423
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.021
Then I find very few patterns in the guest's memory 2.905 
Pattern coverage: 0.000% (0 MiB out of 705 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.704
Then patterns cover at least 99% of the test FS size in the guest's memory 2.670 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.090
Then I find very few patterns in the guest's memory after 3 seconds 5.634 
Pattern coverage: 0.000% (0 MiB out of 705 MiB reference memory)
# read cache
When I mount the USB drive again 4.557
And I read the content of the test FS 0.404
Then patterns cover at least 99% of the test FS size in the guest's memory 2.901 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.626
Then I find very few patterns in the guest's memory after 3 seconds 5.437 
Pattern coverage: 0.000% (0 MiB out of 705 MiB reference memory)
After features/support/hooks.rb:326 1.095
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.585
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.297
And I prepare Tails for memory erasure tests 0.496
When I fill a 128 MiB file with a known pattern on the root filesystem 15.996
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.221
Then patterns cover at least 128 MiB in the guest's memory 2.828 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.729 
Pattern coverage: 0.000% (0 MiB out of 701 MiB reference memory)
After features/support/hooks.rb:326 3.562
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:35.601
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:51.585
And I prepare Tails for memory erasure tests 0.450
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.336
When I trigger shutdown 0.020
Then I find very few patterns in the guest's memory after 20 seconds 21.207 
Pattern coverage: 0.000% (0 MiB out of 749 MiB reference memory)
After features/support/hooks.rb:326 3.546
After features/support/hooks.rb:100 0.011