Project Number Date
test_Tails_ISO_feature-arti 50 06 May 2025, 20:38

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 12:8.617 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
25.976
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 8.745
And I prepare Tails for memory erasure tests 0.532
When I start a process allocating 128 MiB of memory with a known pattern 2.461
Then patterns cover at least 128 MiB in the guest's memory 4.303 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.918
Then I find very few patterns in the guest's memory after 5 seconds 9.014 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:330 0.890
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.905
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 8.580
And I prepare Tails for memory erasure tests 0.432
And I find very few patterns in the guest's memory 3.834 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.196
Then patterns cover at least 99% of the test FS size in the guest's memory 3.650 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.540
Then I find very few patterns in the guest's memory after 3 seconds 6.671 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:330 1.262
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
59.007
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 8.604
And I prepare Tails for memory erasure tests 0.393
When I plug and mount a 128 MiB USB drive with a vfat filesystem 12.418
Then I find very few patterns in the guest's memory 4.891 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.344
Then patterns cover at least 75% of the test FS size in the guest's memory 5.277 
Pattern coverage: 89.827% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.166
Then I find very few patterns in the guest's memory after 3 seconds 6.709 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 0.233
And I read the content of the test FS 4.363
Then patterns cover at least 99% of the test FS size in the guest's memory 4.189 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.555
Then I find very few patterns in the guest's memory after 3 seconds 6.858 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 1.096
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
1:25.454
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 10.227
And I prepare Tails for memory erasure tests 0.525
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.207
Then I find very few patterns in the guest's memory 3.096 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.138
Then patterns cover at least 99% of the test FS size in the guest's memory 3.602 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.608
Then I find very few patterns in the guest's memory after 3 seconds 6.671 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# read cache
When I mount the USB drive again 4.763
And I read the content of the test FS 2.041
Then patterns cover at least 99% of the test FS size in the guest's memory 3.880 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.559
Then I find very few patterns in the guest's memory after 3 seconds 6.132 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:330 1.811
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.427
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 8.412
And I prepare Tails for memory erasure tests 0.424
When I fill a 128 MiB file with a known pattern on the root filesystem 15.657
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.960
Then patterns cover at least 128 MiB in the guest's memory 2.867 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.041
Then I find very few patterns in the guest's memory after 20 seconds 21.063 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 3.638
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:1.845
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 7:16.896
And I prepare Tails for memory erasure tests 0.502
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.995
When I trigger shutdown 0.048
Then I find very few patterns in the guest's memory after 20 seconds 21.403 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:330 3.514
After features/support/hooks.rb:100 0.014