Project Number Date
test_Tails_ISO_stable 5175 11 Oct 2024, 08:35

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 11:34.655 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
26.781
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.031
And I prepare Tails for memory erasure tests 1.024
When I start a process allocating 128 MiB of memory with a known pattern 2.414
Then patterns cover at least 128 MiB in the guest's memory 3.547 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 3.838
Then I find very few patterns in the guest's memory after 3 seconds 5.925 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 1.044
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.465
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.157
And I prepare Tails for memory erasure tests 0.411
And I find very few patterns in the guest's memory 2.896 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.033
Then patterns cover at least 99% of the test FS size in the guest's memory 3.402 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.838
Then I find very few patterns in the guest's memory after 3 seconds 5.726 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 1.469
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.837
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.250
And I prepare Tails for memory erasure tests 0.457
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.172
Then I find very few patterns in the guest's memory 2.695 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.768
Then patterns cover at least 75% of the test FS size in the guest's memory 3.358 
Pattern coverage: 87.997% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.179
Then I find very few patterns in the guest's memory after 3 seconds 6.535 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 1.004
And I read the content of the test FS 0.573
Then patterns cover at least 99% of the test FS size in the guest's memory 3.472 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.562
Then I find very few patterns in the guest's memory after 3 seconds 5.807 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 4.645
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:25.392
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.582
And I prepare Tails for memory erasure tests 0.471
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 44.353
Then I find very few patterns in the guest's memory 2.269 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.686
Then patterns cover at least 99% of the test FS size in the guest's memory 2.791 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.579
Then I find very few patterns in the guest's memory after 3 seconds 5.334 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# read cache
When I mount the USB drive again 5.182
And I read the content of the test FS 0.456
Then patterns cover at least 99% of the test FS size in the guest's memory 2.819 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.123
Then I find very few patterns in the guest's memory after 3 seconds 5.740 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:326 1.046
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.921
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.304
And I prepare Tails for memory erasure tests 0.435
When I fill a 128 MiB file with a known pattern on the root filesystem 15.435
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.698
Then patterns cover at least 128 MiB in the guest's memory 3.198 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.835 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 3.471
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:39.257
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:56.031
And I prepare Tails for memory erasure tests 0.373
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.688
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.151 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 3.526
After features/support/hooks.rb:100 0.012