Project Number Date
test_Tails_ISO_stable 5684 29 May 2025, 08:57

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 11:42.046 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
27.839
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 8.462
And I prepare Tails for memory erasure tests 0.429
When I start a process allocating 128 MiB of memory with a known pattern 4.801
Then patterns cover at least 128 MiB in the guest's memory 3.688 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.673
Then I find very few patterns in the guest's memory after 5 seconds 8.783 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 0.832
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.230
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 8.423
And I prepare Tails for memory erasure tests 0.477
And I find very few patterns in the guest's memory 4.392 
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 2.066
Then patterns cover at least 99% of the test FS size in the guest's memory 3.994 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.687
Then I find very few patterns in the guest's memory after 3 seconds 7.188 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:330 0.717
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.357
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 8.848
And I prepare Tails for memory erasure tests 0.605
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.381
Then I find very few patterns in the guest's memory 3.944 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.564
Then patterns cover at least 75% of the test FS size in the guest's memory 4.213 
Pattern coverage: 87.323% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.168
Then I find very few patterns in the guest's memory after 3 seconds 6.766 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# read cache
When I mount the USB drive again 0.227
And I read the content of the test FS 0.699
Then patterns cover at least 99% of the test FS size in the guest's memory 4.283 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.418
Then I find very few patterns in the guest's memory after 3 seconds 7.236 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 1.119
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.581
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 8.817
And I prepare Tails for memory erasure tests 0.595
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.089
Then I find very few patterns in the guest's memory 3.458 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.576
Then patterns cover at least 99% of the test FS size in the guest's memory 4.192 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.870
Then I find very few patterns in the guest's memory after 3 seconds 6.239 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# read cache
When I mount the USB drive again 4.944
And I read the content of the test FS 1.116
Then patterns cover at least 99% of the test FS size in the guest's memory 3.655 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.905
Then I find very few patterns in the guest's memory after 3 seconds 6.119 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:330 1.309
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.291
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 8.316
And I prepare Tails for memory erasure tests 0.450
When I fill a 128 MiB file with a known pattern on the root filesystem 17.928
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.944
Then patterns cover at least 128 MiB in the guest's memory 2.692 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.942 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:330 3.851
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:42.745
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 6:59.939
And I prepare Tails for memory erasure tests 0.495
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.075
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.221 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:330 3.574
After features/support/hooks.rb:100 0.013