Project Number Date
test_Tails_ISO_stable 6556 04 Aug 2026, 13:55

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 7:27.050 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
19.395
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 6.302
And I prepare Tails for memory erasure tests 0.294
When I start a process allocating 128 MiB of memory with a known pattern 2.217
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.790 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.220
Then I find very few patterns in the guest's memory after 5 seconds 7.570 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
After features/support/hooks.rb:339 0.830
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.998
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 6.332
And I prepare Tails for memory erasure tests 0.432
And I find very few patterns in the guest's memory 2.708 
Pattern coverage: 0.000% (0 MiB out of 1461 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.589
Then patterns cover at least 99% of the test FS size in the guest's memory 2.807 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.405
Then I find very few patterns in the guest's memory after 3 seconds 5.721 
Pattern coverage: 0.000% (0 MiB out of 1461 MiB reference memory)
After features/support/hooks.rb:339 0.769
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.472
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 6.492
And I prepare Tails for memory erasure tests 0.338
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.158
Then I find very few patterns in the guest's memory 2.661 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.699
Then patterns cover at least 75% of the test FS size in the guest's memory 2.901 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.705
Then I find very few patterns in the guest's memory after 3 seconds 5.728 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
# read cache
When I mount the USB drive again 0.241
And I read the content of the test FS 0.573
Then patterns cover at least 99% of the test FS size in the guest's memory 2.924 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.443
Then I find very few patterns in the guest's memory after 3 seconds 5.603 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
After features/support/hooks.rb:339 0.783
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:5.049
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 6.599
And I prepare Tails for memory erasure tests 0.301
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.493
Then I find very few patterns in the guest's memory 2.589 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.189
Then patterns cover at least 99% of the test FS size in the guest's memory 2.884 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.519
Then I find very few patterns in the guest's memory after 3 seconds 5.808 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
# read cache
When I mount the USB drive again 4.657
And I read the content of the test FS 0.364
Then patterns cover at least 99% of the test FS size in the guest's memory 2.679 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.432
Then I find very few patterns in the guest's memory after 3 seconds 5.529 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
After features/support/hooks.rb:339 0.792
After features/support/hooks.rb:108 0.003
Tags: @product @slow @not_release_blocker
44.002
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 6.498
And I prepare Tails for memory erasure tests 0.322
When I fill a 128 MiB file with a known pattern on the root filesystem 12.560
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.653
Then patterns cover at least 128 MiB in the guest's memory 2.232 
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 20.729 
Pattern coverage: 0.000% (0 MiB out of 1460 MiB reference memory)
After features/support/hooks.rb:339 3.592
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:22.132
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 3:51.323
And I prepare Tails for memory erasure tests 0.349
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.378
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.075 
Pattern coverage: 0.000% (0 MiB out of 1507 MiB reference memory)
After features/support/hooks.rb:339 3.557
After features/support/hooks.rb:108 0.011