Project Number Date
test_Tails_ISO_21736-reject-unsupported-installs 14 18 Oct 2026, 05:56

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 7:27.883 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
20.921
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.009
Given I have started Tails from DVD without network and logged in 6.370
And I prepare Tails for memory erasure tests 0.367
When I start a process allocating 128 MiB of memory with a known pattern 2.235
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.822 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.727
Then I find very few patterns in the guest's memory after 5 seconds 8.399 
Pattern coverage: 0.000% (0 MiB out of 1416 MiB reference memory)
After features/support/hooks.rb:339 0.802
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.755
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 6.405
And I prepare Tails for memory erasure tests 0.312
And I find very few patterns in the guest's memory 2.532 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.375
Then patterns cover at least 99% of the test FS size in the guest's memory 2.985 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.428
Then I find very few patterns in the guest's memory after 3 seconds 5.716 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
After features/support/hooks.rb:339 0.980
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.784
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.004
Given I have started Tails from DVD without network and logged in 6.339
And I prepare Tails for memory erasure tests 0.315
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.169
Then I find very few patterns in the guest's memory 2.686 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.661
Then patterns cover at least 75% of the test FS size in the guest's memory 3.243 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.727
Then I find very few patterns in the guest's memory after 3 seconds 5.582 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
# read cache
When I mount the USB drive again 0.209
And I read the content of the test FS 0.545
Then patterns cover at least 99% of the test FS size in the guest's memory 2.885 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.442
Then I find very few patterns in the guest's memory after 3 seconds 5.975 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
After features/support/hooks.rb:339 0.956
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:14.911
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.004
Given I have started Tails from DVD without network and logged in 18.411
And I prepare Tails for memory erasure tests 0.388
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.860
Then I find very few patterns in the guest's memory 2.569 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.166
Then patterns cover at least 99% of the test FS size in the guest's memory 2.758 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.582
Then I find very few patterns in the guest's memory after 3 seconds 5.793 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
# read cache
When I mount the USB drive again 4.265
And I read the content of the test FS 0.417
Then patterns cover at least 99% of the test FS size in the guest's memory 2.677 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.464
Then I find very few patterns in the guest's memory after 3 seconds 5.556 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
After features/support/hooks.rb:339 0.840
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.686
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 6.309
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 13.487
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.303
Then patterns cover at least 128 MiB in the guest's memory 2.463 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.785 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
After features/support/hooks.rb:339 3.401
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:10.824
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 3:39.516
And I prepare Tails for memory erasure tests 0.252
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.910
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.140 
Pattern coverage: 0.000% (0 MiB out of 1428 MiB reference memory)
After features/support/hooks.rb:339 3.413
After features/support/hooks.rb:108 0.010