Project Number Date
test_Tails_ISO_devel 4037 27 Oct 2025, 21:32

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 11:53.524 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
37.564
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 8.675
And I prepare Tails for memory erasure tests 0.418
When I start a process allocating 128 MiB of memory with a known pattern 2.342
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 10.923 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 1.004
Then I find very few patterns in the guest's memory after 5 seconds 14.200 
Pattern coverage: 0.000% (0 MiB out of 1503 MiB reference memory)
After features/support/hooks.rb:331 1.093
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
43.724
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 8.784
And I prepare Tails for memory erasure tests 0.399
And I find very few patterns in the guest's memory 9.439 
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 1.945
Then patterns cover at least 99% of the test FS size in the guest's memory 10.214 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.434
Then I find very few patterns in the guest's memory after 3 seconds 12.506 
Pattern coverage: 0.000% (0 MiB out of 1514 MiB reference memory)
After features/support/hooks.rb:331 1.182
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.215
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 8.446
And I prepare Tails for memory erasure tests 0.627
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.949
Then I find very few patterns in the guest's memory 9.669 
Pattern coverage: 0.000% (0 MiB out of 1508 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.682
Then patterns cover at least 75% of the test FS size in the guest's memory 11.140 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.956
Then I find very few patterns in the guest's memory after 3 seconds 12.375 
Pattern coverage: 0.000% (0 MiB out of 1508 MiB reference memory)
# read cache
When I mount the USB drive again 0.225
And I read the content of the test FS 0.612
Then patterns cover at least 99% of the test FS size in the guest's memory 10.134 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.615
Then I find very few patterns in the guest's memory after 3 seconds 12.779 
Pattern coverage: 0.000% (0 MiB out of 1508 MiB reference memory)
After features/support/hooks.rb:331 0.772
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:40.886
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 8.565
And I prepare Tails for memory erasure tests 0.468
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.784
Then I find very few patterns in the guest's memory 8.866 
Pattern coverage: 0.000% (0 MiB out of 1504 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.750
Then patterns cover at least 99% of the test FS size in the guest's memory 9.334 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.779
Then I find very few patterns in the guest's memory after 3 seconds 11.995 
Pattern coverage: 0.000% (0 MiB out of 1504 MiB reference memory)
# read cache
When I mount the USB drive again 5.018
And I read the content of the test FS 0.519
Then patterns cover at least 99% of the test FS size in the guest's memory 9.216 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.597
Then I find very few patterns in the guest's memory after 3 seconds 11.988 
Pattern coverage: 0.000% (0 MiB out of 1504 MiB reference memory)
After features/support/hooks.rb:331 1.237
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.244
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 8.567
And I prepare Tails for memory erasure tests 0.605
When I fill a 128 MiB file with a known pattern on the root filesystem 10.891
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.733
Then patterns cover at least 128 MiB in the guest's memory 7.336 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.020
Then I find very few patterns in the guest's memory after 20 seconds 22.088 
Pattern coverage: 0.000% (0 MiB out of 1508 MiB reference memory)
After features/support/hooks.rb:331 3.978
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:41.888
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 6:9.500
And I prepare Tails for memory erasure tests 0.392
When I fill a 128 MiB file with a known pattern on the persistent filesystem 8.752
When I trigger shutdown 0.009
Then I find very few patterns in the guest's memory after 20 seconds 23.232 
Pattern coverage: 0.000% (0 MiB out of 1514 MiB reference memory)
After features/support/hooks.rb:331 3.696
After features/support/hooks.rb:100 0.015