Project Number Date
test_Tails_ISO_feature-arti 5 22 Mar 2025, 16:27

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 11:29.240 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
25.374
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 8.420
And I prepare Tails for memory erasure tests 0.428
When I start a process allocating 128 MiB of memory with a known pattern 4.051
Then patterns cover at least 128 MiB in the guest's memory 3.537 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.994
Then I find very few patterns in the guest's memory after 5 seconds 7.941 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
After features/support/hooks.rb:330 0.916
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
22.541
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 8.275
And I prepare Tails for memory erasure tests 0.472
And I find very few patterns in the guest's memory 2.974 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.526
Then patterns cover at least 99% of the test FS size in the guest's memory 3.121 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.294
Then I find very few patterns in the guest's memory after 3 seconds 5.877 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
After features/support/hooks.rb:330 0.725
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.042
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 8.629
And I prepare Tails for memory erasure tests 0.420
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.213
Then I find very few patterns in the guest's memory 2.625 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.755
Then patterns cover at least 75% of the test FS size in the guest's memory 4.351 
Pattern coverage: 86.227% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.208
Then I find very few patterns in the guest's memory after 3 seconds 6.834 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 0.348
And I read the content of the test FS 0.567
Then patterns cover at least 99% of the test FS size in the guest's memory 4.112 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.319
Then I find very few patterns in the guest's memory after 3 seconds 6.656 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 0.736
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.537
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 8.291
And I prepare Tails for memory erasure tests 0.498
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.056
Then I find very few patterns in the guest's memory 3.098 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.524
Then patterns cover at least 99% of the test FS size in the guest's memory 3.185 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.722
Then I find very few patterns in the guest's memory after 3 seconds 6.115 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
# read cache
When I mount the USB drive again 3.856
And I read the content of the test FS 0.433
Then patterns cover at least 99% of the test FS size in the guest's memory 3.367 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.462
Then I find very few patterns in the guest's memory after 3 seconds 5.924 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
After features/support/hooks.rb:330 1.514
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.921
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 8.197
And I prepare Tails for memory erasure tests 0.412
When I fill a 128 MiB file with a known pattern on the root filesystem 17.368
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.645
Then patterns cover at least 128 MiB in the guest's memory 2.560 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.719 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 3.529
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:44.822
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 6:58.004
And I prepare Tails for memory erasure tests 1.190
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.431
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.182 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 3.528
After features/support/hooks.rb:100 0.036