Project Number Date
test_Tails_ISO_21565-flatpak-safe 22 01 Sep 2026, 03:15

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 7:7.200 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
19.216
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 6.179
And I prepare Tails for memory erasure tests 0.291
When I start a process allocating 128 MiB of memory with a known pattern 2.171
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.778 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.202
Then I find very few patterns in the guest's memory after 5 seconds 7.592 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:339 0.990
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.325
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 6.205
And I prepare Tails for memory erasure tests 0.245
And I find very few patterns in the guest's memory 2.565 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.381
Then patterns cover at least 99% of the test FS size in the guest's memory 2.906 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.346
Then I find very few patterns in the guest's memory after 3 seconds 5.675 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
After features/support/hooks.rb:339 0.899
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
35.647
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 6.221
And I prepare Tails for memory erasure tests 0.295
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.037
Then I find very few patterns in the guest's memory 2.590 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.684
Then patterns cover at least 75% of the test FS size in the guest's memory 2.936 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.647
Then I find very few patterns in the guest's memory after 3 seconds 5.554 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# read cache
When I mount the USB drive again 0.165
And I read the content of the test FS 0.547
Then patterns cover at least 99% of the test FS size in the guest's memory 2.913 
Pattern coverage: 100.000% (127 MiB out of 127 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 5.652 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:339 0.733
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:0.798
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 6.203
And I prepare Tails for memory erasure tests 0.326
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.652
Then I find very few patterns in the guest's memory 2.720 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 0.981
Then patterns cover at least 99% of the test FS size in the guest's memory 2.706 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.475
Then I find very few patterns in the guest's memory after 3 seconds 5.418 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
# read cache
When I mount the USB drive again 4.140
And I read the content of the test FS 0.354
Then patterns cover at least 99% of the test FS size in the guest's memory 2.759 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.392
Then I find very few patterns in the guest's memory after 3 seconds 5.664 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:339 0.930
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
42.917
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 6.213
And I prepare Tails for memory erasure tests 0.277
When I fill a 128 MiB file with a known pattern on the root filesystem 12.127
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.431
Then patterns cover at least 128 MiB in the guest's memory 2.178 
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 20.683 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:339 3.620
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:9.295
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 3:38.528
And I prepare Tails for memory erasure tests 0.251
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.502
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.995 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:339 3.415
After features/support/hooks.rb:108 0.008