Project Number Date
test_Tails_ISO_stable 5602 28 Apr 2025, 13:08

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 11:57.040 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
26.573
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 8.986
And I prepare Tails for memory erasure tests 0.513
When I start a process allocating 128 MiB of memory with a known pattern 2.356
Then patterns cover at least 128 MiB in the guest's memory 4.680 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.859
Then I find very few patterns in the guest's memory after 5 seconds 9.177 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 0.792
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.833
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 8.738
And I prepare Tails for memory erasure tests 0.448
And I find very few patterns in the guest's memory 6.843 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.767
Then patterns cover at least 99% of the test FS size in the guest's memory 4.641 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.853
Then I find very few patterns in the guest's memory after 3 seconds 6.540 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 1.002
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.320
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 8.788
And I prepare Tails for memory erasure tests 0.444
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.231
Then I find very few patterns in the guest's memory 3.411 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.429
Then patterns cover at least 75% of the test FS size in the guest's memory 5.699 
Pattern coverage: 90.283% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.371
Then I find very few patterns in the guest's memory after 3 seconds 6.148 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# read cache
When I mount the USB drive again 0.299
And I read the content of the test FS 0.713
Then patterns cover at least 99% of the test FS size in the guest's memory 4.119 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.638
Then I find very few patterns in the guest's memory after 3 seconds 7.024 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:330 0.943
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:29.929
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 8.760
And I prepare Tails for memory erasure tests 0.404
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.911
Then I find very few patterns in the guest's memory 3.654 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.911
Then patterns cover at least 99% of the test FS size in the guest's memory 4.079 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.200
Then I find very few patterns in the guest's memory after 3 seconds 9.726 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 4.785
And I read the content of the test FS 0.776
Then patterns cover at least 99% of the test FS size in the guest's memory 7.411 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.720
Then I find very few patterns in the guest's memory after 3 seconds 6.584 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 1.181
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.762
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 10.603
And I prepare Tails for memory erasure tests 0.433
When I fill a 128 MiB file with a known pattern on the root filesystem 15.579
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.387
Then patterns cover at least 128 MiB in the guest's memory 3.781 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.019
Then I find very few patterns in the guest's memory after 20 seconds 20.959 
Pattern coverage: 0.000% (0 MiB out of 913 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
7:42.619
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 6:58.077
And I prepare Tails for memory erasure tests 0.474
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.600
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.454 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 3.605
After features/support/hooks.rb:100 0.013