Project Number Date
test_Tails_ISO_21736-reject-unsupported-installs 18 22 Oct 2026, 05:52

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 7:44.734 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
19.771
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 6.536
And I prepare Tails for memory erasure tests 0.327
When I start a process allocating 128 MiB of memory with a known pattern 2.239
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.977 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.185
Then I find very few patterns in the guest's memory after 5 seconds 7.505 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
After features/support/hooks.rb:339 1.065
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.746
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.013
Given I have started Tails from DVD without network and logged in 6.435
And I prepare Tails for memory erasure tests 0.370
And I find very few patterns in the guest's memory 2.736 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.347
Then patterns cover at least 99% of the test FS size in the guest's memory 2.797 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.299
Then I find very few patterns in the guest's memory after 3 seconds 5.759 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
After features/support/hooks.rb:339 1.055
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
54.932
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.007
Given I have started Tails from DVD without network and logged in 18.020
And I prepare Tails for memory erasure tests 0.287
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.481
Then I find very few patterns in the guest's memory 2.969 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.696
Then patterns cover at least 75% of the test FS size in the guest's memory 2.967 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.608
Then I find very few patterns in the guest's memory after 3 seconds 8.050 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
# read cache
When I mount the USB drive again 0.179
And I read the content of the test FS 0.597
Then patterns cover at least 99% of the test FS size in the guest's memory 5.162 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.340
Then I find very few patterns in the guest's memory after 3 seconds 7.570 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
After features/support/hooks.rb:339 0.848
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:6.456
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 6.366
And I prepare Tails for memory erasure tests 0.356
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.054
Then I find very few patterns in the guest's memory 2.759 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.185
Then patterns cover at least 99% of the test FS size in the guest's memory 2.835 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.535
Then I find very few patterns in the guest's memory after 3 seconds 6.667 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
# read cache
When I mount the USB drive again 3.567
And I read the content of the test FS 0.372
Then patterns cover at least 99% of the test FS size in the guest's memory 4.652 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.462
Then I find very few patterns in the guest's memory after 3 seconds 8.640 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
After features/support/hooks.rb:339 0.800
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
45.515
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 6.320
And I prepare Tails for memory erasure tests 0.319
When I fill a 128 MiB file with a known pattern on the root filesystem 13.333
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.556
Then patterns cover at least 128 MiB in the guest's memory 3.015 
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 20.963 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
After features/support/hooks.rb:339 3.522
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:18.312
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 3:46.783
And I prepare Tails for memory erasure tests 0.377
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.017
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.129 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
After features/support/hooks.rb:339 3.362
After features/support/hooks.rb:108 0.011