Project Number Date
test_Tails_ISO_stable 5391 14 Jan 2025, 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 10:20.873 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
20.224
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 7.955
And I prepare Tails for memory erasure tests 0.376
When I start a process allocating 128 MiB of memory with a known pattern 2.299
Then patterns cover at least 128 MiB in the guest's memory 3.343 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.353
Then I find very few patterns in the guest's memory after 3 seconds 5.894 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 1.003
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.210
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.405
And I prepare Tails for memory erasure tests 0.438
And I find very few patterns in the guest's memory 2.732 
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 2.864
Then patterns cover at least 99% of the test FS size in the guest's memory 3.107 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.894
Then I find very few patterns in the guest's memory after 3 seconds 5.768 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 0.870
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.941
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.215
And I prepare Tails for memory erasure tests 0.521
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.053
Then I find very few patterns in the guest's memory 3.224 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.145
Then patterns cover at least 75% of the test FS size in the guest's memory 3.280 
Pattern coverage: 87.011% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.487
Then I find very few patterns in the guest's memory after 3 seconds 5.673 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# read cache
When I mount the USB drive again 0.374
And I read the content of the test FS 0.557
Then patterns cover at least 99% of the test FS size in the guest's memory 3.057 
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 5.816 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 0.828
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:10.354
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.921
And I prepare Tails for memory erasure tests 0.409
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.687
Then I find very few patterns in the guest's memory 2.780 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.765
Then patterns cover at least 99% of the test FS size in the guest's memory 2.662 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.943
Then I find very few patterns in the guest's memory after 3 seconds 5.298 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# read cache
When I mount the USB drive again 5.674
And I read the content of the test FS 0.540
Then patterns cover at least 99% of the test FS size in the guest's memory 2.632 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.640
Then I find very few patterns in the guest's memory after 3 seconds 5.395 
Pattern coverage: 0.000% (0 MiB out of 899 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
48.269
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.872
And I prepare Tails for memory erasure tests 0.414
When I fill a 128 MiB file with a known pattern on the root filesystem 14.683
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.079
Then patterns cover at least 128 MiB in the guest's memory 2.453 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.751 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 3.517
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:52.873
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 6:8.819
And I prepare Tails for memory erasure tests 0.886
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.011
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.144 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 3.528
After features/support/hooks.rb:100 0.011