Project Number Date
test_Tails_ISO_devel 3757 27 Mar 2025, 10:28

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 11:17.244 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
21.889
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.060
And I prepare Tails for memory erasure tests 0.592
When I start a process allocating 128 MiB of memory with a known pattern 1.250
Then patterns cover at least 128 MiB in the guest's memory 3.221 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.681
Then I find very few patterns in the guest's memory after 5 seconds 8.082 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 1.025
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.747
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.481
And I prepare Tails for memory erasure tests 0.778
And I find very few patterns in the guest's memory 4.351 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.470
Then patterns cover at least 99% of the test FS size in the guest's memory 4.393 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.455
Then I find very few patterns in the guest's memory after 3 seconds 6.816 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
After features/support/hooks.rb:330 1.095
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.657
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.862
And I prepare Tails for memory erasure tests 0.457
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.091
Then I find very few patterns in the guest's memory 3.735 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.823
Then patterns cover at least 75% of the test FS size in the guest's memory 4.204 
Pattern coverage: 87.804% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.822
Then I find very few patterns in the guest's memory after 3 seconds 6.700 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# read cache
When I mount the USB drive again 0.201
And I read the content of the test FS 0.913
Then patterns cover at least 99% of the test FS size in the guest's memory 4.099 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.463
Then I find very few patterns in the guest's memory after 3 seconds 6.281 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 1.269
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.977
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.209
And I prepare Tails for memory erasure tests 0.715
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.018
Then I find very few patterns in the guest's memory 2.530 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.791
Then patterns cover at least 99% of the test FS size in the guest's memory 2.901 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.729
Then I find very few patterns in the guest's memory after 3 seconds 6.063 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 4.224
And I read the content of the test FS 0.530
Then patterns cover at least 99% of the test FS size in the guest's memory 3.575 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.652
Then I find very few patterns in the guest's memory after 3 seconds 6.034 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 1.617
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.576
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.147
And I prepare Tails for memory erasure tests 0.586
When I fill a 128 MiB file with a known pattern on the root filesystem 15.741
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.864
Then patterns cover at least 128 MiB in the guest's memory 2.514 
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 20.707 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 3.489
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:34.396
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:50.917
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 21.760
When I trigger shutdown 0.019
Then I find very few patterns in the guest's memory after 20 seconds 21.248 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 3.532
After features/support/hooks.rb:100 0.010