Project Number Date
test_Tails_ISO_stable 5739 25 Jun 2025, 17:57

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 11:5.694 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
21.922
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 8.563
And I prepare Tails for memory erasure tests 0.511
When I start a process allocating 128 MiB of memory with a known pattern 1.420
Then patterns cover at least 128 MiB in the guest's memory 3.116 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.759
Then I find very few patterns in the guest's memory after 5 seconds 7.550 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 0.899
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.149
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 8.524
And I prepare Tails for memory erasure tests 0.401
And I find very few patterns in the guest's memory 2.641 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.930
Then patterns cover at least 99% of the test FS size in the guest's memory 3.268 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.478
Then I find very few patterns in the guest's memory after 3 seconds 5.904 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 0.977
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.715
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 8.409
And I prepare Tails for memory erasure tests 0.405
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.041
Then I find very few patterns in the guest's memory 2.693 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.575
Then patterns cover at least 75% of the test FS size in the guest's memory 3.099 
Pattern coverage: 88.042% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.192
Then I find very few patterns in the guest's memory after 3 seconds 5.725 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 0.442
And I read the content of the test FS 0.832
Then patterns cover at least 99% of the test FS size in the guest's memory 3.664 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.992
Then I find very few patterns in the guest's memory after 3 seconds 5.638 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 1.099
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.532
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 8.903
And I prepare Tails for memory erasure tests 0.733
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.941
Then I find very few patterns in the guest's memory 3.077 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.301
Then patterns cover at least 99% of the test FS size in the guest's memory 2.631 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.045
Then I find very few patterns in the guest's memory after 3 seconds 5.216 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# read cache
When I mount the USB drive again 4.394
And I read the content of the test FS 0.437
Then patterns cover at least 99% of the test FS size in the guest's memory 3.043 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.558
Then I find very few patterns in the guest's memory after 3 seconds 5.245 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:330 1.049
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.747
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 8.438
And I prepare Tails for memory erasure tests 0.527
When I fill a 128 MiB file with a known pattern on the root filesystem 19.585
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.978
Then patterns cover at least 128 MiB in the guest's memory 2.481 
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 20.721 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 3.553
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:21.627
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 6:38.199
And I prepare Tails for memory erasure tests 0.935
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.230
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.248 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 3.518
After features/support/hooks.rb:100 0.011