Project Number Date
test_Tails_ISO_stable 5651 16 May 2025, 12:54

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 12:39.790 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
24.603
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 8.325
And I prepare Tails for memory erasure tests 0.510
When I start a process allocating 128 MiB of memory with a known pattern 1.285
Then patterns cover at least 128 MiB in the guest's memory 4.371 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.195
Then I find very few patterns in the guest's memory after 5 seconds 8.914 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 1.167
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.608
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 9.321
And I prepare Tails for memory erasure tests 0.453
And I find very few patterns in the guest's memory 3.752 
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 1.891
Then patterns cover at least 99% of the test FS size in the guest's memory 4.646 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.436
Then I find very few patterns in the guest's memory after 3 seconds 7.106 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 1.152
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.560
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 9.231
And I prepare Tails for memory erasure tests 0.489
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.300
Then I find very few patterns in the guest's memory 3.912 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.906
Then patterns cover at least 75% of the test FS size in the guest's memory 4.165 
Pattern coverage: 85.153% (108 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.448
Then I find very few patterns in the guest's memory after 3 seconds 6.878 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 0.326
And I read the content of the test FS 0.945
Then patterns cover at least 99% of the test FS size in the guest's memory 4.402 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.561
Then I find very few patterns in the guest's memory after 3 seconds 6.991 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 1.146
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:26.430
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 10.013
And I prepare Tails for memory erasure tests 0.538
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 42.997
Then I find very few patterns in the guest's memory 3.532 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.830
Then patterns cover at least 99% of the test FS size in the guest's memory 3.753 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.817
Then I find very few patterns in the guest's memory after 3 seconds 6.380 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# read cache
When I mount the USB drive again 4.739
And I read the content of the test FS 0.631
Then patterns cover at least 99% of the test FS size in the guest's memory 4.143 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.800
Then I find very few patterns in the guest's memory after 3 seconds 6.252 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 1.746
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.647
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 8.869
And I prepare Tails for memory erasure tests 0.520
When I fill a 128 MiB file with a known pattern on the root filesystem 18.291
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.686
Then patterns cover at least 128 MiB in the guest's memory 3.301 
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 20.960 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 3.505
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:34.940
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 7:49.979
And I prepare Tails for memory erasure tests 0.482
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.147
When I trigger shutdown 0.020
Then I find very few patterns in the guest's memory after 20 seconds 21.309 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:330 3.559
After features/support/hooks.rb:100 0.014