Project Number Date
test_Tails_ISO_devel 3787 24 Apr 2025, 21:55

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 11:21.380 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
23.639
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.039
And I prepare Tails for memory erasure tests 0.501
When I start a process allocating 128 MiB of memory with a known pattern 2.403
Then patterns cover at least 128 MiB in the guest's memory 3.766 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.301
Then I find very few patterns in the guest's memory after 5 seconds 8.627 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 0.641
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.214
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.120
And I prepare Tails for memory erasure tests 0.393
And I find very few patterns in the guest's memory 3.467 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.403
Then patterns cover at least 99% of the test FS size in the guest's memory 3.527 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.804
Then I find very few patterns in the guest's memory after 3 seconds 6.497 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 0.675
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.718
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.132
And I prepare Tails for memory erasure tests 0.467
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.106
Then I find very few patterns in the guest's memory 3.290 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.627
Then patterns cover at least 75% of the test FS size in the guest's memory 3.777 
Pattern coverage: 90.314% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.222
Then I find very few patterns in the guest's memory after 3 seconds 6.188 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# read cache
When I mount the USB drive again 0.266
And I read the content of the test FS 0.811
Then patterns cover at least 99% of the test FS size in the guest's memory 3.693 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.722
Then I find very few patterns in the guest's memory after 3 seconds 6.410 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 0.888
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.966
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.202
And I prepare Tails for memory erasure tests 0.477
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.973
Then I find very few patterns in the guest's memory 2.709 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.642
Then patterns cover at least 99% of the test FS size in the guest's memory 2.973 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.723
Then I find very few patterns in the guest's memory after 3 seconds 6.344 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# read cache
When I mount the USB drive again 4.587
And I read the content of the test FS 0.481
Then patterns cover at least 99% of the test FS size in the guest's memory 3.367 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.626
Then I find very few patterns in the guest's memory after 3 seconds 5.857 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 1.264
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.340
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.082
And I prepare Tails for memory erasure tests 0.388
When I fill a 128 MiB file with a known pattern on the root filesystem 15.173
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.997
Then patterns cover at least 128 MiB in the guest's memory 2.880 
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 20.805 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 3.516
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:40.499
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:56.024
And I prepare Tails for memory erasure tests 0.487
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.729
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.244 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 3.557
After features/support/hooks.rb:100 0.025