Project Number Date
test_Tails_ISO_7929-celluloid-flatpak 1 20 Apr 2026, 19:31

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 7:33.693 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
18.456
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 6.995
And I prepare Tails for memory erasure tests 0.340
When I start a process allocating 128 MiB of memory with a known pattern 2.271
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.923 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.186
Then I find very few patterns in the guest's memory after 5 seconds 6.738 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
After features/support/hooks.rb:331 0.844
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
18.069
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 7.173
And I prepare Tails for memory erasure tests 0.448
And I find very few patterns in the guest's memory 1.894 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.522
Then patterns cover at least 99% of the test FS size in the guest's memory 1.879 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.451
Then I find very few patterns in the guest's memory after 3 seconds 4.700 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
After features/support/hooks.rb:331 0.740
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
32.820
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 7.150
And I prepare Tails for memory erasure tests 0.334
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.540
Then I find very few patterns in the guest's memory 1.726 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.321
Then patterns cover at least 75% of the test FS size in the guest's memory 1.983 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.845
Then I find very few patterns in the guest's memory after 3 seconds 5.008 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
# read cache
When I mount the USB drive again 0.200
And I read the content of the test FS 0.492
Then patterns cover at least 99% of the test FS size in the guest's memory 2.081 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.422
Then I find very few patterns in the guest's memory after 3 seconds 4.711 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
After features/support/hooks.rb:331 0.970
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:0.873
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 6.588
And I prepare Tails for memory erasure tests 0.317
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.248
Then I find very few patterns in the guest's memory 1.722 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.205
Then patterns cover at least 99% of the test FS size in the guest's memory 1.930 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.554
Then I find very few patterns in the guest's memory after 3 seconds 5.032 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
# read cache
When I mount the USB drive again 4.905
And I read the content of the test FS 0.307
Then patterns cover at least 99% of the test FS size in the guest's memory 1.970 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.433
Then I find very few patterns in the guest's memory after 3 seconds 4.657 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
After features/support/hooks.rb:331 1.098
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
43.924
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 6.837
And I prepare Tails for memory erasure tests 0.388
When I fill a 128 MiB file with a known pattern on the root filesystem 12.768
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.539
Then patterns cover at least 128 MiB in the guest's memory 1.746 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.639 
Pattern coverage: 0.000% (0 MiB out of 1503 MiB reference memory)
After features/support/hooks.rb:331 3.661
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:39.548
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 4:6.830
And I prepare Tails for memory erasure tests 0.497
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.042
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.162 
Pattern coverage: 0.000% (0 MiB out of 1525 MiB reference memory)
After features/support/hooks.rb:331 3.822
After features/support/hooks.rb:100 0.013