Project Number Date
test_Tails_ISO_devel 3875 19 Jun 2025, 00:23

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 11:37.757 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
23.674
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 9.320
And I prepare Tails for memory erasure tests 0.502
When I start a process allocating 128 MiB of memory with a known pattern 1.699
Then patterns cover at least 128 MiB in the guest's memory 3.561 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.234
Then I find very few patterns in the guest's memory after 5 seconds 8.355 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
After features/support/hooks.rb:330 1.120
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.901
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 8.891
And I prepare Tails for memory erasure tests 0.658
And I find very few patterns in the guest's memory 3.715 
Pattern coverage: 0.000% (0 MiB out of 861 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.780
Then patterns cover at least 99% of the test FS size in the guest's memory 3.842 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.471
Then I find very few patterns in the guest's memory after 3 seconds 5.542 
Pattern coverage: 0.000% (0 MiB out of 861 MiB reference memory)
After features/support/hooks.rb:330 1.014
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.459
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 9.569
And I prepare Tails for memory erasure tests 0.698
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.210
Then I find very few patterns in the guest's memory 3.103 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.143
Then patterns cover at least 75% of the test FS size in the guest's memory 4.009 
Pattern coverage: 86.368% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.842
Then I find very few patterns in the guest's memory after 3 seconds 5.808 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
# read cache
When I mount the USB drive again 0.219
And I read the content of the test FS 0.530
Then patterns cover at least 99% of the test FS size in the guest's memory 2.975 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.640
Then I find very few patterns in the guest's memory after 3 seconds 6.708 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
After features/support/hooks.rb:330 0.964
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
1:21.370
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 9.076
And I prepare Tails for memory erasure tests 0.483
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 42.055
Then I find very few patterns in the guest's memory 2.334 
Pattern coverage: 0.000% (0 MiB out of 857 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.727
Then patterns cover at least 99% of the test FS size in the guest's memory 4.304 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.976
Then I find very few patterns in the guest's memory after 3 seconds 5.781 
Pattern coverage: 0.000% (0 MiB out of 857 MiB reference memory)
# read cache
When I mount the USB drive again 4.154
And I read the content of the test FS 0.471
Then patterns cover at least 99% of the test FS size in the guest's memory 2.728 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.199
Then I find very few patterns in the guest's memory after 3 seconds 6.076 
Pattern coverage: 0.000% (0 MiB out of 857 MiB reference memory)
After features/support/hooks.rb:330 0.962
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.560
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 8.461
And I prepare Tails for memory erasure tests 0.620
When I fill a 128 MiB file with a known pattern on the root filesystem 19.245
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.201
Then patterns cover at least 128 MiB in the guest's memory 2.551 
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 21.463 
Pattern coverage: 0.000% (0 MiB out of 864 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
7:44.790
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 7:0.188
And I prepare Tails for memory erasure tests 0.527
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.780
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 891 MiB reference memory)
After features/support/hooks.rb:330 3.518
After features/support/hooks.rb:100 0.013