Project Number Date
test_Tails_ISO_feature-arti 91 16 Jun 2025, 16:53

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 11:38.958 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
23.839
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails from DVD without network and logged in 8.841
And I prepare Tails for memory erasure tests 0.642
When I start a process allocating 128 MiB of memory with a known pattern 1.257
Then patterns cover at least 128 MiB in the guest's memory 3.763 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.696
Then I find very few patterns in the guest's memory after 5 seconds 8.637 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 0.888
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.677
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 8.594
And I prepare Tails for memory erasure tests 0.495
And I find very few patterns in the guest's memory 3.303 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.575
Then patterns cover at least 99% of the test FS size in the guest's memory 5.151 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.307
Then I find very few patterns in the guest's memory after 3 seconds 6.249 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 0.874
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.266
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 8.417
And I prepare Tails for memory erasure tests 0.572
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.324
Then I find very few patterns in the guest's memory 3.119 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.567
Then patterns cover at least 75% of the test FS size in the guest's memory 4.460 
Pattern coverage: 86.763% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.507
Then I find very few patterns in the guest's memory after 3 seconds 6.536 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 0.260
And I read the content of the test FS 0.740
Then patterns cover at least 99% of the test FS size in the guest's memory 3.339 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.582
Then I find very few patterns in the guest's memory after 3 seconds 6.837 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 1.274
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.886
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 8.901
And I prepare Tails for memory erasure tests 0.502
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.160
Then I find very few patterns in the guest's memory 2.691 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.743
Then patterns cover at least 99% of the test FS size in the guest's memory 2.811 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.699
Then I find very few patterns in the guest's memory after 3 seconds 6.265 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# read cache
When I mount the USB drive again 4.328
And I read the content of the test FS 0.591
Then patterns cover at least 99% of the test FS size in the guest's memory 2.629 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.790
Then I find very few patterns in the guest's memory after 3 seconds 5.770 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 1.628
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.194
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 8.737
And I prepare Tails for memory erasure tests 0.464
When I fill a 128 MiB file with a known pattern on the root filesystem 16.119
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.158
Then patterns cover at least 128 MiB in the guest's memory 2.897 
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 20.801 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 3.738
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:52.094
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 7:6.514
And I prepare Tails for memory erasure tests 0.407
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.669
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.490 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 3.536
After features/support/hooks.rb:100 0.011