Project Number Date
test_Tails_ISO_devel 4106 07 Dec 2025, 16:28

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 14:36.191 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
50.355
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 8.444
And I prepare Tails for memory erasure tests 0.391
When I start a process allocating 128 MiB of memory with a known pattern 1.198
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 16.550 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.272
Then I find very few patterns in the guest's memory after 5 seconds 23.498 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:331 1.165
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
59.176
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 8.851
And I prepare Tails for memory erasure tests 0.457
And I find very few patterns in the guest's memory 15.555 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.047
Then patterns cover at least 99% of the test FS size in the guest's memory 15.001 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.084
Then I find very few patterns in the guest's memory after 3 seconds 18.176 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:331 0.809
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:16.973
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 9.563
And I prepare Tails for memory erasure tests 0.401
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.789
Then I find very few patterns in the guest's memory 15.340 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.454
Then patterns cover at least 75% of the test FS size in the guest's memory 17.477 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.498
Then I find very few patterns in the guest's memory after 3 seconds 24.808 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
# read cache
When I mount the USB drive again 0.266
And I read the content of the test FS 0.817
Then patterns cover at least 99% of the test FS size in the guest's memory 16.071 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.154
Then I find very few patterns in the guest's memory after 3 seconds 43.329 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
After features/support/hooks.rb:331 1.281
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
2:19.173
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.009
Given I have started Tails from DVD without network and logged in 12.886
And I prepare Tails for memory erasure tests 0.363
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.054
Then I find very few patterns in the guest's memory 20.683 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.458
Then patterns cover at least 99% of the test FS size in the guest's memory 15.338 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.527
Then I find very few patterns in the guest's memory after 3 seconds 16.223 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
# read cache
When I mount the USB drive again 4.625
And I read the content of the test FS 0.425
Then patterns cover at least 99% of the test FS size in the guest's memory 14.506 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.423
Then I find very few patterns in the guest's memory after 3 seconds 16.655 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:331 1.278
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.151
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 9.165
And I prepare Tails for memory erasure tests 0.489
When I fill a 128 MiB file with a known pattern on the root filesystem 9.950
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 0.370
Then patterns cover at least 128 MiB in the guest's memory 13.401 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.026
Then I find very few patterns in the guest's memory after 20 seconds 22.747 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
After features/support/hooks.rb:331 3.588
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:14.361
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 6:38.786
And I prepare Tails for memory erasure tests 0.429
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.508
When I trigger shutdown 0.010
Then I find very few patterns in the guest's memory after 20 seconds 23.626 
Pattern coverage: 0.000% (0 MiB out of 1511 MiB reference memory)
After features/support/hooks.rb:331 3.682
After features/support/hooks.rb:100 0.020