Project Number Date
test_Tails_ISO_20979-pdfarranger 17 12 Jun 2025, 02:42

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 11:47.756 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
23.698
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 8.150
And I prepare Tails for memory erasure tests 0.378
When I start a process allocating 128 MiB of memory with a known pattern 1.295
Then patterns cover at least 128 MiB in the guest's memory 4.510 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.598
Then I find very few patterns in the guest's memory after 5 seconds 8.764 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:330 0.740
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.758
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 8.315
And I prepare Tails for memory erasure tests 0.440
And I find very few patterns in the guest's memory 3.863 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.533
Then patterns cover at least 99% of the test FS size in the guest's memory 4.167 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.289
Then I find very few patterns in the guest's memory after 3 seconds 7.149 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 0.716
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.111
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 8.155
And I prepare Tails for memory erasure tests 0.378
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.208
Then I find very few patterns in the guest's memory 3.781 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.454
Then patterns cover at least 75% of the test FS size in the guest's memory 3.991 
Pattern coverage: 86.953% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.684
Then I find very few patterns in the guest's memory after 3 seconds 6.581 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 0.230
And I read the content of the test FS 3.760
Then patterns cover at least 99% of the test FS size in the guest's memory 3.982 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.332
Then I find very few patterns in the guest's memory after 3 seconds 6.570 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 0.823
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.164
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 8.389
And I prepare Tails for memory erasure tests 0.418
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.682
Then I find very few patterns in the guest's memory 3.162 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.813
Then patterns cover at least 99% of the test FS size in the guest's memory 3.636 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.226
Then I find very few patterns in the guest's memory after 3 seconds 6.018 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# read cache
When I mount the USB drive again 3.995
And I read the content of the test FS 1.775
Then patterns cover at least 99% of the test FS size in the guest's memory 3.572 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.741
Then I find very few patterns in the guest's memory after 3 seconds 6.732 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 1.915
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.328
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 9.462
And I prepare Tails for memory erasure tests 0.661
When I fill a 128 MiB file with a known pattern on the root filesystem 18.926
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.151
Then patterns cover at least 128 MiB in the guest's memory 3.150 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.959 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 3.574
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:53.695
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:10.786
And I prepare Tails for memory erasure tests 0.413
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.261
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.221 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:330 3.501
After features/support/hooks.rb:100 0.012