Project Number Date
test_Tails_ISO_21565-flatpak-safe 124 05 Nov 2026, 03:27

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 7:22.144 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
19.648
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.385
And I prepare Tails for memory erasure tests 0.376
When I start a process allocating 128 MiB of memory with a known pattern 2.198
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.820 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.180
Then I find very few patterns in the guest's memory after 5 seconds 7.687 
Pattern coverage: 0.000% (0 MiB out of 1395 MiB reference memory)
After features/support/hooks.rb:339 0.577
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.517
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.285
And I prepare Tails for memory erasure tests 0.318
And I find very few patterns in the guest's memory 2.734 
Pattern coverage: 0.000% (0 MiB out of 1398 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.462
Then patterns cover at least 99% of the test FS size in the guest's memory 2.788 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.333
Then I find very few patterns in the guest's memory after 3 seconds 5.595 
Pattern coverage: 0.000% (0 MiB out of 1398 MiB reference memory)
After features/support/hooks.rb:339 0.677
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
35.792
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.305
And I prepare Tails for memory erasure tests 0.316
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.315
Then I find very few patterns in the guest's memory 2.636 
Pattern coverage: 0.000% (0 MiB out of 1395 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.542
Then patterns cover at least 75% of the test FS size in the guest's memory 3.034 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.577
Then I find very few patterns in the guest's memory after 3 seconds 5.610 
Pattern coverage: 0.000% (0 MiB out of 1395 MiB reference memory)
# read cache
When I mount the USB drive again 0.182
And I read the content of the test FS 0.547
Then patterns cover at least 99% of the test FS size in the guest's memory 2.844 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.350
Then I find very few patterns in the guest's memory after 3 seconds 5.527 
Pattern coverage: 0.000% (0 MiB out of 1395 MiB reference memory)
After features/support/hooks.rb:339 0.944
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:0.630
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.296
And I prepare Tails for memory erasure tests 0.324
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.568
Then I find very few patterns in the guest's memory 2.627 
Pattern coverage: 0.000% (0 MiB out of 1397 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.224
Then patterns cover at least 99% of the test FS size in the guest's memory 2.683 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.491
Then I find very few patterns in the guest's memory after 3 seconds 5.511 
Pattern coverage: 0.000% (0 MiB out of 1397 MiB reference memory)
# read cache
When I mount the USB drive again 4.045
And I read the content of the test FS 0.278
Then patterns cover at least 99% of the test FS size in the guest's memory 2.721 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.427
Then I find very few patterns in the guest's memory after 3 seconds 5.429 
Pattern coverage: 0.000% (0 MiB out of 1397 MiB reference memory)
After features/support/hooks.rb:339 0.643
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.711
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.170
And I prepare Tails for memory erasure tests 0.276
When I fill a 128 MiB file with a known pattern on the root filesystem 12.535
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.536
Then patterns cover at least 128 MiB in the guest's memory 2.211 
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 20.975 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
After features/support/hooks.rb:339 3.835
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:22.844
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:50.440
And I prepare Tails for memory erasure tests 0.273
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.025
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.101 
Pattern coverage: 0.000% (0 MiB out of 1446 MiB reference memory)
After features/support/hooks.rb:339 3.363
After features/support/hooks.rb:108 0.010