Project Number Date
test_Tails_ISO_stable 5945 12 Nov 2025, 08:22

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 15:40.875 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
50.944
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 8.646
And I prepare Tails for memory erasure tests 0.439
When I start a process allocating 128 MiB of memory with a known pattern 2.318
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 14.986 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.868
Then I find very few patterns in the guest's memory after 5 seconds 23.685 
Pattern coverage: 0.000% (0 MiB out of 1498 MiB reference memory)
After features/support/hooks.rb:331 1.061
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
58.507
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 8.848
And I prepare Tails for memory erasure tests 0.421
And I find very few patterns in the guest's memory 13.873 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.720
Then patterns cover at least 99% of the test FS size in the guest's memory 14.816 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.480
Then I find very few patterns in the guest's memory after 3 seconds 18.347 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
After features/support/hooks.rb:331 0.987
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:48.698
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 8.327
And I prepare Tails for memory erasure tests 0.377
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.246
Then I find very few patterns in the guest's memory 13.988 
Pattern coverage: 0.000% (0 MiB out of 1498 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.437
Then patterns cover at least 75% of the test FS size in the guest's memory 16.263 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.917
Then I find very few patterns in the guest's memory after 3 seconds 21.416 
Pattern coverage: 0.000% (0 MiB out of 1498 MiB reference memory)
# read cache
When I mount the USB drive again 0.216
And I read the content of the test FS 0.690
Then patterns cover at least 99% of the test FS size in the guest's memory 17.575 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.595
Then I find very few patterns in the guest's memory after 3 seconds 19.643 
Pattern coverage: 0.000% (0 MiB out of 1498 MiB reference memory)
After features/support/hooks.rb:331 0.853
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
2:16.205
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 8.590
And I prepare Tails for memory erasure tests 0.444
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.561
Then I find very few patterns in the guest's memory 19.408 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.448
Then patterns cover at least 99% of the test FS size in the guest's memory 14.172 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.783
Then I find very few patterns in the guest's memory after 3 seconds 16.037 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
# read cache
When I mount the USB drive again 4.589
And I read the content of the test FS 0.446
Then patterns cover at least 99% of the test FS size in the guest's memory 15.592 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.149
Then I find very few patterns in the guest's memory after 3 seconds 18.981 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
After features/support/hooks.rb:331 0.777
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.690
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 8.856
And I prepare Tails for memory erasure tests 0.422
When I fill a 128 MiB file with a known pattern on the root filesystem 11.271
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.845
Then patterns cover at least 128 MiB in the guest's memory 11.414 
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 22.866 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
After features/support/hooks.rb:331 3.563
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:48.828
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 8:3.764
And I prepare Tails for memory erasure tests 0.396
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.950
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 23.704 
Pattern coverage: 0.000% (0 MiB out of 1525 MiB reference memory)
After features/support/hooks.rb:331 3.473
After features/support/hooks.rb:100 0.014