Project Number Date
test_Tails_ISO_stable 6022 25 Dec 2025, 11:39

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 14:38.140 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
58.936
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 8.478
And I prepare Tails for memory erasure tests 0.405
When I start a process allocating 128 MiB of memory with a known pattern 4.177
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 23.535 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.230
Then I find very few patterns in the guest's memory after 5 seconds 22.109 
Pattern coverage: 0.000% (0 MiB out of 1537 MiB reference memory)
After features/support/hooks.rb:331 0.990
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:57.423
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 8.228
And I prepare Tails for memory erasure tests 0.388
And I find very few patterns in the guest's memory 32.215 
Pattern coverage: 0.000% (0 MiB out of 1540 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.002
Then patterns cover at least 99% of the test FS size in the guest's memory 32.480 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.398
Then I find very few patterns in the guest's memory after 3 seconds 41.708 
Pattern coverage: 0.000% (0 MiB out of 1540 MiB reference memory)
After features/support/hooks.rb:331 1.138
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:47.302
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 9.343
And I prepare Tails for memory erasure tests 0.435
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.386
Then I find very few patterns in the guest's memory 30.898 
Pattern coverage: 0.000% (0 MiB out of 1529 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.501
Then patterns cover at least 75% of the test FS size in the guest's memory 41.741 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.980
Then I find very few patterns in the guest's memory after 3 seconds 36.078 
Pattern coverage: 0.000% (0 MiB out of 1529 MiB reference memory)
# read cache
When I mount the USB drive again 0.220
And I read the content of the test FS 0.756
Then patterns cover at least 99% of the test FS size in the guest's memory 20.979 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.501
Then I find very few patterns in the guest's memory after 3 seconds 16.478 
Pattern coverage: 0.000% (0 MiB out of 1529 MiB reference memory)
After features/support/hooks.rb:331 0.861
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:5.134
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 9.195
And I prepare Tails for memory erasure tests 0.583
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.573
Then I find very few patterns in the guest's memory 13.141 
Pattern coverage: 0.000% (0 MiB out of 1527 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.760
Then patterns cover at least 99% of the test FS size in the guest's memory 13.609 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.598
Then I find very few patterns in the guest's memory after 3 seconds 16.060 
Pattern coverage: 0.000% (0 MiB out of 1527 MiB reference memory)
# read cache
When I mount the USB drive again 4.139
And I read the content of the test FS 0.453
Then patterns cover at least 99% of the test FS size in the guest's memory 13.441 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.447
Then I find very few patterns in the guest's memory after 3 seconds 19.130 
Pattern coverage: 0.000% (0 MiB out of 1527 MiB reference memory)
After features/support/hooks.rb:331 1.076
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.763
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 7.972
And I prepare Tails for memory erasure tests 0.378
When I fill a 128 MiB file with a known pattern on the root filesystem 10.643
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.753
Then patterns cover at least 128 MiB in the guest's memory 10.263 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.009
Then I find very few patterns in the guest's memory after 20 seconds 22.741 
Pattern coverage: 0.000% (0 MiB out of 1538 MiB reference memory)
After features/support/hooks.rb:331 3.927
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
5:54.580
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 5:21.805
And I prepare Tails for memory erasure tests 0.360
When I fill a 128 MiB file with a known pattern on the persistent filesystem 8.965
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 23.437 
Pattern coverage: 0.000% (0 MiB out of 1504 MiB reference memory)
After features/support/hooks.rb:331 3.902
After features/support/hooks.rb:100 0.014