Project Number Date
test_Tails_ISO_stable 5509 12 Mar 2025, 10:28

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 11:22.111 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
27.157
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 8.847
And I prepare Tails for memory erasure tests 0.453
When I start a process allocating 128 MiB of memory with a known pattern 3.806
Then patterns cover at least 128 MiB in the guest's memory 4.215 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.573
Then I find very few patterns in the guest's memory after 5 seconds 8.260 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
After features/support/hooks.rb:330 0.765
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.782
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 8.488
And I prepare Tails for memory erasure tests 0.559
And I find very few patterns in the guest's memory 3.089 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.019
Then patterns cover at least 99% of the test FS size in the guest's memory 3.700 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.743
Then I find very few patterns in the guest's memory after 3 seconds 6.182 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 0.720
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.201
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 8.566
And I prepare Tails for memory erasure tests 0.597
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.032
Then I find very few patterns in the guest's memory 3.217 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.406
Then patterns cover at least 75% of the test FS size in the guest's memory 4.696 
Pattern coverage: 86.999% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.442
Then I find very few patterns in the guest's memory after 3 seconds 6.474 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 0.532
And I read the content of the test FS 0.590
Then patterns cover at least 99% of the test FS size in the guest's memory 3.872 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.602
Then I find very few patterns in the guest's memory after 3 seconds 6.170 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 0.932
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.111
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 8.194
And I prepare Tails for memory erasure tests 0.608
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.178
Then I find very few patterns in the guest's memory 2.949 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.974
Then patterns cover at least 99% of the test FS size in the guest's memory 3.082 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.938
Then I find very few patterns in the guest's memory after 3 seconds 5.762 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# read cache
When I mount the USB drive again 5.482
And I read the content of the test FS 0.450
Then patterns cover at least 99% of the test FS size in the guest's memory 2.948 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.840
Then I find very few patterns in the guest's memory after 3 seconds 5.701 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 1.661
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.887
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 8.472
And I prepare Tails for memory erasure tests 0.651
When I fill a 128 MiB file with a known pattern on the root filesystem 16.204
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.792
Then patterns cover at least 128 MiB in the guest's memory 2.871 
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 20.878 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 3.487
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:34.969
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 6:49.939
And I prepare Tails for memory erasure tests 0.410
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.326
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.280 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 3.473
After features/support/hooks.rb:100 0.014