Project Number Date
test_Tails_ISO_devel 4038 28 Oct 2025, 11:21

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 12:8.073 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
37.592
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 9.188
And I prepare Tails for memory erasure tests 0.464
When I start a process allocating 128 MiB of memory with a known pattern 2.349
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 10.435 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.811
Then I find very few patterns in the guest's memory after 5 seconds 14.342 
Pattern coverage: 0.000% (0 MiB out of 1506 MiB reference memory)
After features/support/hooks.rb:331 0.916
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.990
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.029
Given I have started Tails from DVD without network and logged in 10.513
And I prepare Tails for memory erasure tests 0.491
And I find very few patterns in the guest's memory 10.634 
Pattern coverage: 0.000% (0 MiB out of 1514 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.200
Then patterns cover at least 99% of the test FS size in the guest's memory 10.073 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.465
Then I find very few patterns in the guest's memory after 3 seconds 12.611 
Pattern coverage: 0.000% (0 MiB out of 1514 MiB reference memory)
After features/support/hooks.rb:331 1.153
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.806
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 8.955
And I prepare Tails for memory erasure tests 0.533
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.543
Then I find very few patterns in the guest's memory 9.649 
Pattern coverage: 0.000% (0 MiB out of 1509 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.823
Then patterns cover at least 75% of the test FS size in the guest's memory 10.261 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.265
Then I find very few patterns in the guest's memory after 3 seconds 13.714 
Pattern coverage: 0.000% (0 MiB out of 1509 MiB reference memory)
# read cache
When I mount the USB drive again 0.273
And I read the content of the test FS 0.897
Then patterns cover at least 99% of the test FS size in the guest's memory 10.842 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.587
Then I find very few patterns in the guest's memory after 3 seconds 12.458 
Pattern coverage: 0.000% (0 MiB out of 1509 MiB reference memory)
After features/support/hooks.rb:331 1.161
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:41.793
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 8.671
And I prepare Tails for memory erasure tests 0.420
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.156
Then I find very few patterns in the guest's memory 9.156 
Pattern coverage: 0.000% (0 MiB out of 1507 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.590
Then patterns cover at least 99% of the test FS size in the guest's memory 9.134 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.693
Then I find very few patterns in the guest's memory after 3 seconds 11.794 
Pattern coverage: 0.000% (0 MiB out of 1507 MiB reference memory)
# read cache
When I mount the USB drive again 4.945
And I read the content of the test FS 0.493
Then patterns cover at least 99% of the test FS size in the guest's memory 9.388 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.589
Then I find very few patterns in the guest's memory after 3 seconds 11.758 
Pattern coverage: 0.000% (0 MiB out of 1507 MiB reference memory)
After features/support/hooks.rb:331 1.152
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.623
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 8.849
And I prepare Tails for memory erasure tests 0.441
When I fill a 128 MiB file with a known pattern on the root filesystem 11.533
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.413
Then patterns cover at least 128 MiB in the guest's memory 7.735 
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 23.633 
Pattern coverage: 0.000% (0 MiB out of 1507 MiB reference memory)
After features/support/hooks.rb:331 5.116
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:46.266
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:14.681
And I prepare Tails for memory erasure tests 0.443
When I fill a 128 MiB file with a known pattern on the persistent filesystem 8.504
When I trigger shutdown 0.010
Then I find very few patterns in the guest's memory after 20 seconds 22.626 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
After features/support/hooks.rb:331 3.932
After features/support/hooks.rb:100 0.015