Project Number Date
test_Tails_ISO_20635-greeter-threading-fixes 6 18 Dec 2024, 21:43

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 13:21.291 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
26.626
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.085
And I prepare Tails for memory erasure tests 0.429
When I start a process allocating 128 MiB of memory with a known pattern 2.608
Then patterns cover at least 128 MiB in the guest's memory 6.158 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.695
Then I find very few patterns in the guest's memory after 3 seconds 6.649 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 0.825
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.109
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.277
And I prepare Tails for memory erasure tests 0.407
And I find very few patterns in the guest's memory 3.723 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.537
Then patterns cover at least 99% of the test FS size in the guest's memory 4.138 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.031
Then I find very few patterns in the guest's memory after 3 seconds 6.993 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 0.800
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:7.986
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.170
And I prepare Tails for memory erasure tests 0.429
When I plug and mount a 128 MiB USB drive with a vfat filesystem 12.569
Then I find very few patterns in the guest's memory 8.799 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.773
Then patterns cover at least 75% of the test FS size in the guest's memory 6.155 
Pattern coverage: 89.243% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.773
Then I find very few patterns in the guest's memory after 3 seconds 6.919 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
# read cache
When I mount the USB drive again 0.279
And I read the content of the test FS 5.255
Then patterns cover at least 99% of the test FS size in the guest's memory 4.451 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.407
Then I find very few patterns in the guest's memory after 3 seconds 7.003 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
After features/support/hooks.rb:326 1.446
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:23.938
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.381
And I prepare Tails for memory erasure tests 0.536
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.005
Then I find very few patterns in the guest's memory 3.431 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.314
Then patterns cover at least 99% of the test FS size in the guest's memory 3.940 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.541
Then I find very few patterns in the guest's memory after 3 seconds 6.916 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# read cache
When I mount the USB drive again 6.591
And I read the content of the test FS 2.224
Then patterns cover at least 99% of the test FS size in the guest's memory 3.930 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.707
Then I find very few patterns in the guest's memory after 3 seconds 6.415 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:326 0.975
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.933
Before features/support/hooks.rb:269 0.005
Given I have started Tails from DVD without network and logged in 9.312
And I prepare Tails for memory erasure tests 0.535
When I fill a 128 MiB file with a known pattern on the root filesystem 20.989
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.349
Then patterns cover at least 128 MiB in the guest's memory 3.740 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.023
Then I find very few patterns in the guest's memory after 20 seconds 20.982 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
After features/support/hooks.rb:326 3.608
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:57.696
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 8:10.167
And I prepare Tails for memory erasure tests 0.517
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.462
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.531 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 3.602
After features/support/hooks.rb:100 0.017