Project Number Date
test_Tails_ISO_stable 5643 13 May 2025, 09:13

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 11:20.692 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
25.495
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 8.159
And I prepare Tails for memory erasure tests 0.632
When I start a process allocating 128 MiB of memory with a known pattern 2.434
Then patterns cover at least 128 MiB in the guest's memory 5.022 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.496
Then I find very few patterns in the guest's memory after 5 seconds 8.748 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:330 0.762
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.682
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 8.036
And I prepare Tails for memory erasure tests 0.656
And I find very few patterns in the guest's memory 3.871 
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 2.535
Then patterns cover at least 99% of the test FS size in the guest's memory 4.111 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.768
Then I find very few patterns in the guest's memory after 3 seconds 6.703 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 1.186
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.092
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 8.119
And I prepare Tails for memory erasure tests 0.709
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.862
Then I find very few patterns in the guest's memory 3.731 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.650
Then patterns cover at least 75% of the test FS size in the guest's memory 4.021 
Pattern coverage: 89.484% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.069
Then I find very few patterns in the guest's memory after 3 seconds 6.559 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# read cache
When I mount the USB drive again 0.234
And I read the content of the test FS 0.779
Then patterns cover at least 99% of the test FS size in the guest's memory 3.944 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.778
Then I find very few patterns in the guest's memory after 3 seconds 6.631 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:330 1.120
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.444
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 8.045
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" 38.193
Then I find very few patterns in the guest's memory 2.932 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.521
Then patterns cover at least 99% of the test FS size in the guest's memory 2.930 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.716
Then I find very few patterns in the guest's memory after 3 seconds 5.876 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# read cache
When I mount the USB drive again 5.376
And I read the content of the test FS 0.414
Then patterns cover at least 99% of the test FS size in the guest's memory 3.330 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.664
Then I find very few patterns in the guest's memory after 3 seconds 5.831 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:330 1.290
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.667
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 8.038
And I prepare Tails for memory erasure tests 0.782
When I fill a 128 MiB file with a known pattern on the root filesystem 16.087
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.868
Then patterns cover at least 128 MiB in the guest's memory 3.004 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.869 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:330 3.538
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:31.310
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 6:45.308
And I prepare Tails for memory erasure tests 0.405
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.222
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.355 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 3.507
After features/support/hooks.rb:100 0.012