Project Number Date
test_Tails_ISO_stable 5414 23 Jan 2025, 19:17

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 12:47.116 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
24.821
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.586
And I prepare Tails for memory erasure tests 0.567
When I start a process allocating 128 MiB of memory with a known pattern 2.498
Then patterns cover at least 128 MiB in the guest's memory 3.558 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.529
Then I find very few patterns in the guest's memory after 5 seconds 8.081 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 1.286
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
39.083
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 22.357
And I prepare Tails for memory erasure tests 0.735
And I find very few patterns in the guest's memory 2.808 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.721
Then patterns cover at least 99% of the test FS size in the guest's memory 3.276 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.429
Then I find very few patterns in the guest's memory after 3 seconds 5.755 
Pattern coverage: 0.000% (0 MiB out of 887 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
50.726
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.208
And I prepare Tails for memory erasure tests 0.474
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.336
Then I find very few patterns in the guest's memory 3.150 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.126
Then patterns cover at least 75% of the test FS size in the guest's memory 4.323 
Pattern coverage: 89.536% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.816
Then I find very few patterns in the guest's memory after 3 seconds 6.635 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# read cache
When I mount the USB drive again 0.419
And I read the content of the test FS 0.830
Then patterns cover at least 99% of the test FS size in the guest's memory 3.987 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.709
Then I find very few patterns in the guest's memory after 3 seconds 6.707 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 1.380
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.285
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.341
And I prepare Tails for memory erasure tests 0.608
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.762
Then I find very few patterns in the guest's memory 2.375 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.044
Then patterns cover at least 99% of the test FS size in the guest's memory 2.853 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.237
Then I find very few patterns in the guest's memory after 3 seconds 5.940 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 6.588
And I read the content of the test FS 0.505
Then patterns cover at least 99% of the test FS size in the guest's memory 3.356 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.660
Then I find very few patterns in the guest's memory after 3 seconds 6.010 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 0.996
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.571
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.476
And I prepare Tails for memory erasure tests 0.519
When I fill a 128 MiB file with a known pattern on the root filesystem 18.726
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.991
Then patterns cover at least 128 MiB in the guest's memory 2.809 
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 21.034 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 3.528
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:39.628
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 7:57.485
And I prepare Tails for memory erasure tests 0.422
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.601
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.101 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 3.494
After features/support/hooks.rb:100 0.011