Project Number Date
test_Tails_ISO_devel 4641 28 Sep 2026, 17:31

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 7:29.283 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
20.248
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 6.293
And I prepare Tails for memory erasure tests 0.296
When I start a process allocating 128 MiB of memory with a known pattern 2.194
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.927 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.769
Then I find very few patterns in the guest's memory after 5 seconds 7.766 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
After features/support/hooks.rb:339 1.018
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
33.111
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 18.465
And I prepare Tails for memory erasure tests 0.333
And I find very few patterns in the guest's memory 3.922 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.260
Then patterns cover at least 99% of the test FS size in the guest's memory 3.049 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.327
Then I find very few patterns in the guest's memory after 3 seconds 5.753 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
After features/support/hooks.rb:339 0.723
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.836
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 6.596
And I prepare Tails for memory erasure tests 0.324
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.217
Then I find very few patterns in the guest's memory 2.714 
Pattern coverage: 0.000% (0 MiB out of 1396 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.626
Then patterns cover at least 75% of the test FS size in the guest's memory 3.398 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.684
Then I find very few patterns in the guest's memory after 3 seconds 5.696 
Pattern coverage: 0.000% (0 MiB out of 1396 MiB reference memory)
# read cache
When I mount the USB drive again 0.177
And I read the content of the test FS 0.537
Then patterns cover at least 99% of the test FS size in the guest's memory 2.805 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.357
Then I find very few patterns in the guest's memory after 3 seconds 5.699 
Pattern coverage: 0.000% (0 MiB out of 1396 MiB reference memory)
After features/support/hooks.rb:339 1.074
After features/support/hooks.rb:108 0.001
Tags: @product @slow @not_release_blocker
1:2.183
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 6.565
And I prepare Tails for memory erasure tests 0.361
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.901
Then I find very few patterns in the guest's memory 2.502 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.296
Then patterns cover at least 99% of the test FS size in the guest's memory 2.932 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.546
Then I find very few patterns in the guest's memory after 3 seconds 5.642 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
# read cache
When I mount the USB drive again 3.306
And I read the content of the test FS 0.353
Then patterns cover at least 99% of the test FS size in the guest's memory 2.614 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.469
Then I find very few patterns in the guest's memory after 3 seconds 5.691 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
After features/support/hooks.rb:339 0.548
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.386
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 6.393
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 12.228
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.489
Then patterns cover at least 128 MiB in the guest's memory 2.208 
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 20.730 
Pattern coverage: 0.000% (0 MiB out of 1391 MiB reference memory)
After features/support/hooks.rb:339 3.699
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:13.516
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 3:42.399
And I prepare Tails for memory erasure tests 0.301
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.657
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.153 
Pattern coverage: 0.000% (0 MiB out of 1420 MiB reference memory)
After features/support/hooks.rb:339 3.701
After features/support/hooks.rb:108 0.016