Project Number Date
test_Tails_ISO_stable 6201 13 Mar 2026, 11:13

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 7:20.603 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
18.624
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.925
And I prepare Tails for memory erasure tests 0.427
When I start a process allocating 128 MiB of memory with a known pattern 2.232
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.076 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.157
Then I find very few patterns in the guest's memory after 5 seconds 6.805 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:331 0.636
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
18.491
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 6.627
And I prepare Tails for memory erasure tests 0.379
And I find very few patterns in the guest's memory 1.895 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.973
Then patterns cover at least 99% of the test FS size in the guest's memory 2.014 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.716
Then I find very few patterns in the guest's memory after 3 seconds 4.883 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:331 0.726
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
32.927
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.585
And I prepare Tails for memory erasure tests 0.391
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.420
Then I find very few patterns in the guest's memory 1.906 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.462
Then patterns cover at least 75% of the test FS size in the guest's memory 2.137 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.015
Then I find very few patterns in the guest's memory after 3 seconds 4.945 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
# read cache
When I mount the USB drive again 0.166
And I read the content of the test FS 0.526
Then patterns cover at least 99% of the test FS size in the guest's memory 2.104 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.314
Then I find very few patterns in the guest's memory after 3 seconds 4.950 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:331 0.867
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
58.724
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.515
And I prepare Tails for memory erasure tests 0.383
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.305
Then I find very few patterns in the guest's memory 1.720 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 0.977
Then patterns cover at least 99% of the test FS size in the guest's memory 1.817 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.471
Then I find very few patterns in the guest's memory after 3 seconds 4.746 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
# read cache
When I mount the USB drive again 4.265
And I read the content of the test FS 0.313
Then patterns cover at least 99% of the test FS size in the guest's memory 1.952 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.438
Then I find very few patterns in the guest's memory after 3 seconds 4.816 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:331 1.090
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.276
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.519
And I prepare Tails for memory erasure tests 0.457
When I fill a 128 MiB file with a known pattern on the root filesystem 13.576
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.776
Then patterns cover at least 128 MiB in the guest's memory 1.443 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.496 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:331 3.778
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:27.558
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:54.776
And I prepare Tails for memory erasure tests 0.322
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.484
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.968 
Pattern coverage: 0.000% (0 MiB out of 1537 MiB reference memory)
After features/support/hooks.rb:331 3.683
After features/support/hooks.rb:100 0.014