Project Number Date
test_Tails_ISO_stable 5760 06 Jul 2025, 13:09

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 11:45.772 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
28.511
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 8.111
And I prepare Tails for memory erasure tests 0.548
When I start a process allocating 128 MiB of memory with a known pattern 6.985
Then patterns cover at least 128 MiB in the guest's memory 3.943 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.738
Then I find very few patterns in the guest's memory after 5 seconds 8.183 
Pattern coverage: 0.000% (0 MiB out of 887 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
23.599
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 8.421
And I prepare Tails for memory erasure tests 0.624
And I find very few patterns in the guest's memory 3.174 
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 1.695
Then patterns cover at least 99% of the test FS size in the guest's memory 3.192 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.313
Then I find very few patterns in the guest's memory after 3 seconds 6.177 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 1.377
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.018
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 8.320
And I prepare Tails for memory erasure tests 0.758
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.327
Then I find very few patterns in the guest's memory 4.038 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.302
Then patterns cover at least 75% of the test FS size in the guest's memory 3.779 
Pattern coverage: 85.134% (108 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.667
Then I find very few patterns in the guest's memory after 3 seconds 6.386 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 0.315
And I read the content of the test FS 0.954
Then patterns cover at least 99% of the test FS size in the guest's memory 3.603 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.526
Then I find very few patterns in the guest's memory after 3 seconds 6.037 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 0.648
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.127
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 8.111
And I prepare Tails for memory erasure tests 0.700
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.243
Then I find very few patterns in the guest's memory 2.911 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.827
Then patterns cover at least 99% of the test FS size in the guest's memory 3.002 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.812
Then I find very few patterns in the guest's memory after 3 seconds 5.737 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 6.351
And I read the content of the test FS 0.461
Then patterns cover at least 99% of the test FS size in the guest's memory 3.367 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.069
Then I find very few patterns in the guest's memory after 3 seconds 5.529 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 1.063
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.505
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 8.477
And I prepare Tails for memory erasure tests 0.639
When I fill a 128 MiB file with a known pattern on the root filesystem 16.415
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.991
Then patterns cover at least 128 MiB in the guest's memory 3.057 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 20.905 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 3.498
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:51.011
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 7:6.934
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 22.429
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.103 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 3.522
After features/support/hooks.rb:100 0.012