Project Number Date
test_Tails_ISO_devel 4555 18 Aug 2026, 07:33

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 7:7.771 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
19.883
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 6.131
And I prepare Tails for memory erasure tests 0.330
When I start a process allocating 128 MiB of memory with a known pattern 2.191
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.956 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.604
Then I find very few patterns in the guest's memory after 5 seconds 7.668 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
After features/support/hooks.rb:339 0.833
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.502
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.200
And I prepare Tails for memory erasure tests 0.349
And I find very few patterns in the guest's memory 2.716 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.411
Then patterns cover at least 99% of the test FS size in the guest's memory 2.883 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.347
Then I find very few patterns in the guest's memory after 3 seconds 5.592 
Pattern coverage: 0.000% (0 MiB out of 1462 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
36.374
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 6.239
And I prepare Tails for memory erasure tests 0.349
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.178
Then I find very few patterns in the guest's memory 2.998 
Pattern coverage: 0.000% (0 MiB out of 1458 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.562
Then patterns cover at least 75% of the test FS size in the guest's memory 3.043 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.658
Then I find very few patterns in the guest's memory after 3 seconds 5.617 
Pattern coverage: 0.000% (0 MiB out of 1458 MiB reference memory)
# read cache
When I mount the USB drive again 0.220
And I read the content of the test FS 0.522
Then patterns cover at least 99% of the test FS size in the guest's memory 3.013 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.404
Then I find very few patterns in the guest's memory after 3 seconds 5.564 
Pattern coverage: 0.000% (0 MiB out of 1458 MiB reference memory)
After features/support/hooks.rb:339 0.815
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:0.554
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.197
And I prepare Tails for memory erasure tests 0.387
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.895
Then I find very few patterns in the guest's memory 2.576 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.050
Then patterns cover at least 99% of the test FS size in the guest's memory 2.767 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.496
Then I find very few patterns in the guest's memory after 3 seconds 5.556 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
# read cache
When I mount the USB drive again 3.879
And I read the content of the test FS 0.340
Then patterns cover at least 99% of the test FS size in the guest's memory 2.590 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.401
Then I find very few patterns in the guest's memory after 3 seconds 5.415 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
After features/support/hooks.rb:339 0.752
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.178
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.157
And I prepare Tails for memory erasure tests 0.339
When I fill a 128 MiB file with a known pattern on the root filesystem 13.286
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.568
Then patterns cover at least 128 MiB in the guest's memory 2.069 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.010
Then I find very few patterns in the guest's memory after 20 seconds 20.747 
Pattern coverage: 0.000% (0 MiB out of 1455 MiB reference memory)
After features/support/hooks.rb:339 3.560
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:7.278
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:35.304
And I prepare Tails for memory erasure tests 0.218
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.761
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.988 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
After features/support/hooks.rb:339 3.400
After features/support/hooks.rb:108 0.010