Project Number Date
test_Tails_ISO_stable 5399 16 Jan 2025, 20:34

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 11:2.661 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
22.861
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.064
And I prepare Tails for memory erasure tests 0.421
When I start a process allocating 128 MiB of memory with a known pattern 2.360
Then patterns cover at least 128 MiB in the guest's memory 3.750 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.051
Then I find very few patterns in the guest's memory after 3 seconds 6.213 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 0.759
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.345
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.254
And I prepare Tails for memory erasure tests 0.430
And I find very few patterns in the guest's memory 3.403 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.960
Then patterns cover at least 99% of the test FS size in the guest's memory 3.976 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.948
Then I find very few patterns in the guest's memory after 3 seconds 6.370 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 1.306
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.834
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.358
And I prepare Tails for memory erasure tests 0.421
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.083
Then I find very few patterns in the guest's memory 3.515 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.749
Then patterns cover at least 75% of the test FS size in the guest's memory 3.944 
Pattern coverage: 89.429% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 3.607
Then I find very few patterns in the guest's memory after 3 seconds 6.990 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# read cache
When I mount the USB drive again 0.246
And I read the content of the test FS 0.804
Then patterns cover at least 99% of the test FS size in the guest's memory 4.013 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.607
Then I find very few patterns in the guest's memory after 3 seconds 6.491 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 0.797
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.941
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.193
And I prepare Tails for memory erasure tests 0.513
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.890
Then I find very few patterns in the guest's memory 2.814 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.170
Then patterns cover at least 99% of the test FS size in the guest's memory 3.585 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.992
Then I find very few patterns in the guest's memory after 3 seconds 5.619 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# read cache
When I mount the USB drive again 5.575
And I read the content of the test FS 0.393
Then patterns cover at least 99% of the test FS size in the guest's memory 2.923 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.718
Then I find very few patterns in the guest's memory after 3 seconds 5.549 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 0.873
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.235
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.158
And I prepare Tails for memory erasure tests 0.450
When I fill a 128 MiB file with a known pattern on the root filesystem 16.470
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.948
Then patterns cover at least 128 MiB in the guest's memory 3.417 
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 20.775 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 3.491
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:15.443
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 6:31.093
And I prepare Tails for memory erasure tests 0.490
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.514
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.332 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:326 3.486
After features/support/hooks.rb:100 0.013