Project Number Date
test_Tails_ISO_stable 5356 25 Dec 2024, 12:27

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 11:13.634 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
22.984
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.096
And I prepare Tails for memory erasure tests 0.472
When I start a process allocating 128 MiB of memory with a known pattern 2.500
Then patterns cover at least 128 MiB in the guest's memory 4.240 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.159
Then I find very few patterns in the guest's memory after 3 seconds 6.515 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 0.856
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.965
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.991
And I prepare Tails for memory erasure tests 0.565
And I find very few patterns in the guest's memory 3.618 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.675
Then patterns cover at least 99% of the test FS size in the guest's memory 4.003 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.623
Then I find very few patterns in the guest's memory after 3 seconds 6.487 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 1.109
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.926
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.469
And I prepare Tails for memory erasure tests 0.450
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.944
Then I find very few patterns in the guest's memory 3.628 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.766
Then patterns cover at least 75% of the test FS size in the guest's memory 4.542 
Pattern coverage: 91.581% (116 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.432
Then I find very few patterns in the guest's memory after 3 seconds 6.581 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 0.441
And I read the content of the test FS 0.699
Then patterns cover at least 99% of the test FS size in the guest's memory 3.824 
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 7.505 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 0.788
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.564
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.062
And I prepare Tails for memory erasure tests 0.451
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.902
Then I find very few patterns in the guest's memory 2.593 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.014
Then patterns cover at least 99% of the test FS size in the guest's memory 2.571 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.284
Then I find very few patterns in the guest's memory after 3 seconds 5.240 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 5.788
And I read the content of the test FS 0.363
Then patterns cover at least 99% of the test FS size in the guest's memory 2.960 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.017
Then I find very few patterns in the guest's memory after 3 seconds 5.314 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 0.757
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.430
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.884
And I prepare Tails for memory erasure tests 1.576
When I fill a 128 MiB file with a known pattern on the root filesystem 18.570
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.130
Then patterns cover at least 128 MiB in the guest's memory 2.464 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.041
Then I find very few patterns in the guest's memory after 20 seconds 20.762 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 3.464
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:23.763
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 6:37.171
And I prepare Tails for memory erasure tests 1.100
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.339
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.139 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:326 3.498
After features/support/hooks.rb:100 0.023