Project Number Date
test_Tails_ISO_stable 5438 02 Feb 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 10:41.565 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
22.214
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.849
And I prepare Tails for memory erasure tests 0.394
When I start a process allocating 128 MiB of memory with a known pattern 1.308
Then patterns cover at least 128 MiB in the guest's memory 3.873 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.948
Then I find very few patterns in the guest's memory after 5 seconds 7.839 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 0.787
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
22.264
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.842
And I prepare Tails for memory erasure tests 0.428
And I find very few patterns in the guest's memory 2.822 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.793
Then patterns cover at least 99% of the test FS size in the guest's memory 3.067 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.501
Then I find very few patterns in the guest's memory after 3 seconds 5.809 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 1.292
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.312
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.996
And I prepare Tails for memory erasure tests 0.426
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.201
Then I find very few patterns in the guest's memory 2.856 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.482
Then patterns cover at least 75% of the test FS size in the guest's memory 3.421 
Pattern coverage: 90.228% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.221
Then I find very few patterns in the guest's memory after 3 seconds 5.775 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# read cache
When I mount the USB drive again 0.532
And I read the content of the test FS 0.630
Then patterns cover at least 99% of the test FS size in the guest's memory 3.785 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.548
Then I find very few patterns in the guest's memory after 3 seconds 6.435 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 1.068
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:7.317
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.973
And I prepare Tails for memory erasure tests 0.388
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.099
Then I find very few patterns in the guest's memory 2.295 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.637
Then patterns cover at least 99% of the test FS size in the guest's memory 2.682 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.739
Then I find very few patterns in the guest's memory after 3 seconds 5.356 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# read cache
When I mount the USB drive again 4.618
And I read the content of the test FS 0.561
Then patterns cover at least 99% of the test FS size in the guest's memory 2.687 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.643
Then I find very few patterns in the guest's memory after 3 seconds 5.634 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 0.905
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.892
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.881
And I prepare Tails for memory erasure tests 0.407
When I fill a 128 MiB file with a known pattern on the root filesystem 16.170
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.907
Then patterns cover at least 128 MiB in the guest's memory 2.798 
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 20.714 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 3.502
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:14.563
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 6:31.382
And I prepare Tails for memory erasure tests 0.432
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.534
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.202 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 3.529
After features/support/hooks.rb:100 0.011