Project Number Date
test_Tails_ISO_stable 5632 07 May 2025, 18:25

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 12:0.876 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
25.850
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 8.297
And I prepare Tails for memory erasure tests 0.588
When I start a process allocating 128 MiB of memory with a known pattern 3.593
Then patterns cover at least 128 MiB in the guest's memory 4.128 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.647
Then I find very few patterns in the guest's memory after 5 seconds 8.596 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 0.834
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.872
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 8.602
And I prepare Tails for memory erasure tests 0.468
And I find very few patterns in the guest's memory 4.025 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.586
Then patterns cover at least 99% of the test FS size in the guest's memory 4.027 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.635
Then I find very few patterns in the guest's memory after 3 seconds 6.527 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:330 0.961
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.418
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 8.542
And I prepare Tails for memory erasure tests 0.743
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.341
Then I find very few patterns in the guest's memory 3.120 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.727
Then patterns cover at least 75% of the test FS size in the guest's memory 3.958 
Pattern coverage: 86.689% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.852
Then I find very few patterns in the guest's memory after 3 seconds 6.551 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# read cache
When I mount the USB drive again 0.229
And I read the content of the test FS 0.514
Then patterns cover at least 99% of the test FS size in the guest's memory 4.009 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.436
Then I find very few patterns in the guest's memory after 3 seconds 6.390 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 0.937
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.260
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 8.595
And I prepare Tails for memory erasure tests 0.816
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.349
Then I find very few patterns in the guest's memory 2.766 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.610
Then patterns cover at least 99% of the test FS size in the guest's memory 3.678 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.680
Then I find very few patterns in the guest's memory after 3 seconds 6.105 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# read cache
When I mount the USB drive again 4.133
And I read the content of the test FS 0.465
Then patterns cover at least 99% of the test FS size in the guest's memory 3.454 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.552
Then I find very few patterns in the guest's memory after 3 seconds 6.051 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 1.105
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.259
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 8.296
And I prepare Tails for memory erasure tests 0.603
When I fill a 128 MiB file with a known pattern on the root filesystem 15.892
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.915
Then patterns cover at least 128 MiB in the guest's memory 2.818 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.719 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 3.547
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:17.215
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 7:29.698
And I prepare Tails for memory erasure tests 0.458
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.491
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.551 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 3.629
After features/support/hooks.rb:100 0.014