Project Number Date
test_Tails_ISO_stable 5217 24 Oct 2024, 12:47

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 11:53.138 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
30.914
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.452
And I prepare Tails for memory erasure tests 0.437
When I start a process allocating 128 MiB of memory with a known pattern 2.462
Then patterns cover at least 128 MiB in the guest's memory 8.982 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.143
Then I find very few patterns in the guest's memory after 3 seconds 7.436 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 1.006
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.112
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.966
And I prepare Tails for memory erasure tests 0.478
And I find very few patterns in the guest's memory 3.659 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.027
Then patterns cover at least 99% of the test FS size in the guest's memory 4.076 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.377
Then I find very few patterns in the guest's memory after 3 seconds 6.527 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 1.310
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.964
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.147
And I prepare Tails for memory erasure tests 0.456
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.145
Then I find very few patterns in the guest's memory 4.005 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.869
Then patterns cover at least 75% of the test FS size in the guest's memory 4.436 
Pattern coverage: 89.178% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.522
Then I find very few patterns in the guest's memory after 3 seconds 6.093 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 0.417
And I read the content of the test FS 0.642
Then patterns cover at least 99% of the test FS size in the guest's memory 3.815 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.724
Then I find very few patterns in the guest's memory after 3 seconds 6.686 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 1.334
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:23.992
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.962
And I prepare Tails for memory erasure tests 0.516
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.036
Then I find very few patterns in the guest's memory 3.580 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.850
Then patterns cover at least 99% of the test FS size in the guest's memory 5.040 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.211
Then I find very few patterns in the guest's memory after 3 seconds 6.118 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 6.859
And I read the content of the test FS 0.416
Then patterns cover at least 99% of the test FS size in the guest's memory 3.560 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.773
Then I find very few patterns in the guest's memory after 3 seconds 6.067 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 0.943
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.033
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.287
And I prepare Tails for memory erasure tests 0.501
When I fill a 128 MiB file with a known pattern on the root filesystem 14.615
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.133
Then patterns cover at least 128 MiB in the guest's memory 3.619 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.861 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 3.527
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:51.120
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:7.844
And I prepare Tails for memory erasure tests 0.433
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.293
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.533 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 3.587
After features/support/hooks.rb:100 0.013