Project Number Date
test_Tails_ISO_stable 5645 13 May 2025, 19:27

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 12:44.638 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
35.943
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 9.867
And I prepare Tails for memory erasure tests 0.434
When I start a process allocating 128 MiB of memory with a known pattern 2.321
Then patterns cover at least 128 MiB in the guest's memory 10.736 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.139
Then I find very few patterns in the guest's memory after 5 seconds 11.443 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 0.918
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
38.828
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 9.616
And I prepare Tails for memory erasure tests 0.439
And I find very few patterns in the guest's memory 12.265 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.888
Then patterns cover at least 99% of the test FS size in the guest's memory 7.831 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.496
Then I find very few patterns in the guest's memory after 3 seconds 6.290 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 0.823
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.705
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 8.560
And I prepare Tails for memory erasure tests 0.460
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.201
Then I find very few patterns in the guest's memory 4.045 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.337
Then patterns cover at least 75% of the test FS size in the guest's memory 4.357 
Pattern coverage: 86.940% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.939
Then I find very few patterns in the guest's memory after 3 seconds 6.654 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 0.403
And I read the content of the test FS 3.018
Then patterns cover at least 99% of the test FS size in the guest's memory 5.253 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.986
Then I find very few patterns in the guest's memory after 3 seconds 8.486 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 0.910
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:33.518
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 9.685
And I prepare Tails for memory erasure tests 0.432
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 48.007
Then I find very few patterns in the guest's memory 3.357 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.158
Then patterns cover at least 99% of the test FS size in the guest's memory 3.909 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.736
Then I find very few patterns in the guest's memory after 3 seconds 6.392 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# read cache
When I mount the USB drive again 6.476
And I read the content of the test FS 0.524
Then patterns cover at least 99% of the test FS size in the guest's memory 3.612 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.752
Then I find very few patterns in the guest's memory after 3 seconds 6.472 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 1.234
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.819
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 9.823
And I prepare Tails for memory erasure tests 0.405
When I fill a 128 MiB file with a known pattern on the root filesystem 19.614
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.954
Then patterns cover at least 128 MiB in the guest's memory 3.159 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.845 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 3.541
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:4.822
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 7:20.997
And I prepare Tails for memory erasure tests 0.526
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.941
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.342 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:330 3.543
After features/support/hooks.rb:100 0.013