Project Number Date
test_Tails_ISO_stable 5069 04 Sep 2024, 17:32

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 12:10.026 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
22.108
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.445
And I prepare Tails for memory erasure tests 0.460
When I start a process allocating 128 MiB of memory with a known pattern 2.667
Then patterns cover at least 128 MiB in the guest's memory 3.670 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.939
Then I find very few patterns in the guest's memory after 3 seconds 5.924 
Pattern coverage: 0.000% (0 MiB out of 861 MiB reference memory)
After features/support/hooks.rb:326 1.086
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.381
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.012
And I prepare Tails for memory erasure tests 0.447
And I find very few patterns in the guest's memory 3.713 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.942
Then patterns cover at least 99% of the test FS size in the guest's memory 4.229 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.441
Then I find very few patterns in the guest's memory after 3 seconds 6.594 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 1.445
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.252
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 12.582
And I prepare Tails for memory erasure tests 0.462
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.455
Then I find very few patterns in the guest's memory 3.888 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.030
Then patterns cover at least 75% of the test FS size in the guest's memory 3.984 
Pattern coverage: 87.706% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.869
Then I find very few patterns in the guest's memory after 3 seconds 6.047 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
# read cache
When I mount the USB drive again 0.296
And I read the content of the test FS 0.943
Then patterns cover at least 99% of the test FS size in the guest's memory 3.369 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.309
Then I find very few patterns in the guest's memory after 3 seconds 6.012 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
After features/support/hooks.rb:326 0.817
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.326
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.521
And I prepare Tails for memory erasure tests 0.581
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.742
Then I find very few patterns in the guest's memory 2.431 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.257
Then patterns cover at least 99% of the test FS size in the guest's memory 2.893 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.198
Then I find very few patterns in the guest's memory after 3 seconds 5.413 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 7.117
And I read the content of the test FS 0.693
Then patterns cover at least 99% of the test FS size in the guest's memory 2.943 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.807
Then I find very few patterns in the guest's memory after 3 seconds 5.724 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 0.904
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.615
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.691
And I prepare Tails for memory erasure tests 0.584
When I fill a 128 MiB file with a known pattern on the root filesystem 16.967
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.152
Then patterns cover at least 128 MiB in the guest's memory 3.321 
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 20.880 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:326 3.551
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:14.341
Before features/support/hooks.rb:269 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:27.029
And I prepare Tails for memory erasure tests 0.572
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.010
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.716 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:326 3.603
After features/support/hooks.rb:100 0.014