Project Number Date
test_Tails_ISO_devel 3739 14 Mar 2025, 13:39

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 12:7.611 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
27.569
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 8.420
And I prepare Tails for memory erasure tests 0.406
When I start a process allocating 128 MiB of memory with a known pattern 4.176
Then patterns cover at least 128 MiB in the guest's memory 4.355 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.600
Then I find very few patterns in the guest's memory after 5 seconds 8.610 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:330 1.029
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
31.582
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 8.884
And I prepare Tails for memory erasure tests 0.458
And I find very few patterns in the guest's memory 3.587 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.995
Then patterns cover at least 99% of the test FS size in the guest's memory 4.353 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.903
Then I find very few patterns in the guest's memory after 3 seconds 11.398 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 0.855
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.228
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 8.732
And I prepare Tails for memory erasure tests 0.550
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.399
Then I find very few patterns in the guest's memory 3.753 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.964
Then patterns cover at least 75% of the test FS size in the guest's memory 4.650 
Pattern coverage: 87.023% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.338
Then I find very few patterns in the guest's memory after 3 seconds 7.095 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# read cache
When I mount the USB drive again 0.251
And I read the content of the test FS 0.824
Then patterns cover at least 99% of the test FS size in the guest's memory 4.288 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.779
Then I find very few patterns in the guest's memory after 3 seconds 6.601 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 2.104
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:32.681
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 8.321
And I prepare Tails for memory erasure tests 0.424
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.996
Then I find very few patterns in the guest's memory 2.633 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.663
Then patterns cover at least 99% of the test FS size in the guest's memory 2.929 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.909
Then I find very few patterns in the guest's memory after 3 seconds 9.155 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 9.974
And I read the content of the test FS 0.815
Then patterns cover at least 99% of the test FS size in the guest's memory 8.137 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.313
Then I find very few patterns in the guest's memory after 3 seconds 10.405 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 1.657
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.328
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 9.262
And I prepare Tails for memory erasure tests 0.537
When I fill a 128 MiB file with a known pattern on the root filesystem 19.867
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.746
Then patterns cover at least 128 MiB in the guest's memory 3.982 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.918 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 3.577
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:46.220
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 7:0.075
And I prepare Tails for memory erasure tests 0.444
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.375
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.312 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:330 3.488
After features/support/hooks.rb:100 0.009