Project Number Date
test_Tails_ISO_tps-restart-gnome-software 6 12 Jun 2026, 18:21

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 7:34.127 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
19.014
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.024
Given I have started Tails from DVD without network and logged in 6.999
And I prepare Tails for memory erasure tests 0.309
When I start a process allocating 128 MiB of memory with a known pattern 2.248
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.074 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.571
Then I find very few patterns in the guest's memory after 5 seconds 6.812 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:339 0.738
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
17.532
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.021
Given I have started Tails from DVD without network and logged in 6.976
And I prepare Tails for memory erasure tests 0.321
And I find very few patterns in the guest's memory 1.664 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.590
Then patterns cover at least 99% of the test FS size in the guest's memory 1.935 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.302
Then I find very few patterns in the guest's memory after 3 seconds 4.741 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
After features/support/hooks.rb:339 0.679
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
31.831
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.023
Given I have started Tails from DVD without network and logged in 7.029
And I prepare Tails for memory erasure tests 0.333
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.188
Then I find very few patterns in the guest's memory 1.678 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.491
Then patterns cover at least 75% of the test FS size in the guest's memory 2.166 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.725
Then I find very few patterns in the guest's memory after 3 seconds 4.773 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
# read cache
When I mount the USB drive again 0.141
And I read the content of the test FS 0.346
Then patterns cover at least 99% of the test FS size in the guest's memory 1.941 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.336
Then I find very few patterns in the guest's memory after 3 seconds 4.678 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:339 0.921
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
57.887
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.021
Given I have started Tails from DVD without network and logged in 6.910
And I prepare Tails for memory erasure tests 0.348
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.524
Then I find very few patterns in the guest's memory 1.644 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.440
Then patterns cover at least 99% of the test FS size in the guest's memory 1.725 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.540
Then I find very few patterns in the guest's memory after 3 seconds 4.627 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
# read cache
When I mount the USB drive again 4.045
And I read the content of the test FS 0.270
Then patterns cover at least 99% of the test FS size in the guest's memory 1.793 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.408
Then I find very few patterns in the guest's memory after 3 seconds 4.606 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
After features/support/hooks.rb:339 0.900
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
53.693
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.022
Given I have started Tails from DVD without network and logged in 6.932
And I prepare Tails for memory erasure tests 0.331
When I fill a 128 MiB file with a known pattern on the root filesystem 22.262
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.139
Then patterns cover at least 128 MiB in the guest's memory 1.518 
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 20.502 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:339 3.867
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:34.168
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.022
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:53.347
And I prepare Tails for memory erasure tests 0.327
When I fill a 128 MiB file with a known pattern on the persistent filesystem 19.508
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.979 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:339 3.537
After features/support/hooks.rb:108 0.059