Project Number Date
test_Tails_ISO_devel 3587 15 Nov 2024, 12:34

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 11:17.707 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
24.241
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.443
And I prepare Tails for memory erasure tests 0.445
When I start a process allocating 128 MiB of memory with a known pattern 2.892
Then patterns cover at least 128 MiB in the guest's memory 3.751 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.748
Then I find very few patterns in the guest's memory after 3 seconds 6.960 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:326 1.971
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.187
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.723
And I prepare Tails for memory erasure tests 0.446
And I find very few patterns in the guest's memory 3.479 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.065
Then patterns cover at least 99% of the test FS size in the guest's memory 3.227 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.323
Then I find very few patterns in the guest's memory after 3 seconds 7.920 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:326 0.877
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.656
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.673
And I prepare Tails for memory erasure tests 0.490
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.125
Then I find very few patterns in the guest's memory 6.168 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.920
Then patterns cover at least 75% of the test FS size in the guest's memory 3.526 
Pattern coverage: 89.595% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.831
Then I find very few patterns in the guest's memory after 3 seconds 6.175 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 0.350
And I read the content of the test FS 0.575
Then patterns cover at least 99% of the test FS size in the guest's memory 4.540 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.534
Then I find very few patterns in the guest's memory after 3 seconds 6.743 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 1.639
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.459
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.802
And I prepare Tails for memory erasure tests 0.570
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.605
Then I find very few patterns in the guest's memory 2.877 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.874
Then patterns cover at least 99% of the test FS size in the guest's memory 2.927 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.934
Then I find very few patterns in the guest's memory after 3 seconds 5.678 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# read cache
When I mount the USB drive again 5.860
And I read the content of the test FS 0.511
Then patterns cover at least 99% of the test FS size in the guest's memory 2.649 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.702
Then I find very few patterns in the guest's memory after 3 seconds 5.465 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 0.882
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.007
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.207
And I prepare Tails for memory erasure tests 0.461
When I fill a 128 MiB file with a known pattern on the root filesystem 15.699
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.773
Then patterns cover at least 128 MiB in the guest's memory 2.882 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.069
Then I find very few patterns in the guest's memory after 20 seconds 20.914 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 3.541
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:28.155
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 6:43.639
And I prepare Tails for memory erasure tests 0.443
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.017
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 22.042 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 3.519
After features/support/hooks.rb:100 0.012