Project Number Date
test_Tails_ISO_stable 5639 10 May 2025, 12:49

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 12:32.135 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
25.896
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 9.359
And I prepare Tails for memory erasure tests 0.537
When I start a process allocating 128 MiB of memory with a known pattern 2.944
Then patterns cover at least 128 MiB in the guest's memory 3.729 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.582
Then I find very few patterns in the guest's memory after 5 seconds 8.742 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 0.802
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.689
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 8.676
And I prepare Tails for memory erasure tests 0.416
And I find very few patterns in the guest's memory 3.445 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.647
Then patterns cover at least 99% of the test FS size in the guest's memory 4.975 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.528
Then I find very few patterns in the guest's memory after 3 seconds 6.998 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 0.801
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.178
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 22.421
And I prepare Tails for memory erasure tests 0.557
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.850
Then I find very few patterns in the guest's memory 4.513 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.831
Then patterns cover at least 75% of the test FS size in the guest's memory 5.232 
Pattern coverage: 88.174% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.101
Then I find very few patterns in the guest's memory after 3 seconds 7.541 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# read cache
When I mount the USB drive again 0.322
And I read the content of the test FS 1.239
Then patterns cover at least 99% of the test FS size in the guest's memory 4.973 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.401
Then I find very few patterns in the guest's memory after 3 seconds 12.189 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 1.183
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:23.541
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 10.401
And I prepare Tails for memory erasure tests 0.491
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.652
Then I find very few patterns in the guest's memory 3.651 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.694
Then patterns cover at least 99% of the test FS size in the guest's memory 3.817 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.726
Then I find very few patterns in the guest's memory after 3 seconds 6.425 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 5.379
And I read the content of the test FS 1.107
Then patterns cover at least 99% of the test FS size in the guest's memory 3.592 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.520
Then I find very few patterns in the guest's memory after 3 seconds 6.080 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 1.159
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.301
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 8.285
And I prepare Tails for memory erasure tests 0.909
When I fill a 128 MiB file with a known pattern on the root filesystem 16.068
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.930
Then patterns cover at least 128 MiB in the guest's memory 3.082 
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 21.009 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 3.645
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:8.528
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 7:24.432
And I prepare Tails for memory erasure tests 0.529
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.144
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.407 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 3.578
After features/support/hooks.rb:100 0.010