Project Number Date
test_Tails_ISO_20297-test-suite-reject-allow-internal-dns-resolution 20 18 Apr 2025, 23:21

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 11:16.331 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
25.804
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 8.277
And I prepare Tails for memory erasure tests 0.469
When I start a process allocating 128 MiB of memory with a known pattern 2.490
Then patterns cover at least 128 MiB in the guest's memory 3.574 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.164
Then I find very few patterns in the guest's memory after 5 seconds 9.829 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 1.037
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.865
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 8.258
And I prepare Tails for memory erasure tests 0.420
And I find very few patterns in the guest's memory 3.567 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.545
Then patterns cover at least 99% of the test FS size in the guest's memory 3.943 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.603
Then I find very few patterns in the guest's memory after 3 seconds 6.526 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 0.995
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.947
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 8.147
And I prepare Tails for memory erasure tests 0.431
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.379
Then I find very few patterns in the guest's memory 3.676 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.948
Then patterns cover at least 75% of the test FS size in the guest's memory 4.409 
Pattern coverage: 91.747% (117 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.141
Then I find very few patterns in the guest's memory after 3 seconds 6.845 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 0.319
And I read the content of the test FS 0.541
Then patterns cover at least 99% of the test FS size in the guest's memory 4.252 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.217
Then I find very few patterns in the guest's memory after 3 seconds 6.635 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 1.125
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.652
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 8.961
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" 33.267
Then I find very few patterns in the guest's memory 2.966 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.747
Then patterns cover at least 99% of the test FS size in the guest's memory 3.439 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.756
Then I find very few patterns in the guest's memory after 3 seconds 5.936 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# read cache
When I mount the USB drive again 3.863
And I read the content of the test FS 0.889
Then patterns cover at least 99% of the test FS size in the guest's memory 3.379 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.893
Then I find very few patterns in the guest's memory after 3 seconds 6.011 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 1.214
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.521
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 8.493
And I prepare Tails for memory erasure tests 0.441
When I fill a 128 MiB file with a known pattern on the root filesystem 12.954
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.469
Then patterns cover at least 128 MiB in the guest's memory 3.224 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.040
Then I find very few patterns in the guest's memory after 20 seconds 20.897 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 3.553
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:32.539
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 6:48.239
And I prepare Tails for memory erasure tests 1.040
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.134
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.112 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:330 3.573
After features/support/hooks.rb:100 0.013