Project Number Date
test_Tails_ISO_fix-bad-comments 2 01 Jul 2026, 17:53

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 7:41.961 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
17.420
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 6.482
And I prepare Tails for memory erasure tests 0.308
When I start a process allocating 128 MiB of memory with a known pattern 1.366
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.306 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.221
Then I find very few patterns in the guest's memory after 5 seconds 6.734 
Pattern coverage: 0.000% (0 MiB out of 1508 MiB reference memory)
After features/support/hooks.rb:339 0.887
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
17.617
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 6.471
And I prepare Tails for memory erasure tests 0.326
And I find very few patterns in the guest's memory 1.762 
Pattern coverage: 0.000% (0 MiB out of 1505 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.681
Then patterns cover at least 99% of the test FS size in the guest's memory 2.184 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.373
Then I find very few patterns in the guest's memory after 3 seconds 4.817 
Pattern coverage: 0.000% (0 MiB out of 1505 MiB reference memory)
After features/support/hooks.rb:339 0.666
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
31.923
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 6.620
And I prepare Tails for memory erasure tests 0.354
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.254
Then I find very few patterns in the guest's memory 1.874 
Pattern coverage: 0.000% (0 MiB out of 1512 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.381
Then patterns cover at least 75% of the test FS size in the guest's memory 2.158 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.716
Then I find very few patterns in the guest's memory after 3 seconds 4.714 
Pattern coverage: 0.000% (0 MiB out of 1512 MiB reference memory)
# read cache
When I mount the USB drive again 0.151
And I read the content of the test FS 0.378
Then patterns cover at least 99% of the test FS size in the guest's memory 2.026 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.349
Then I find very few patterns in the guest's memory after 3 seconds 4.943 
Pattern coverage: 0.000% (0 MiB out of 1512 MiB reference memory)
After features/support/hooks.rb:339 0.815
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
57.109
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 6.631
And I prepare Tails for memory erasure tests 0.346
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.750
Then I find very few patterns in the guest's memory 1.697 
Pattern coverage: 0.000% (0 MiB out of 1511 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.517
Then patterns cover at least 99% of the test FS size in the guest's memory 2.253 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.570
Then I find very few patterns in the guest's memory after 3 seconds 4.740 
Pattern coverage: 0.000% (0 MiB out of 1511 MiB reference memory)
# read cache
When I mount the USB drive again 3.550
And I read the content of the test FS 0.280
Then patterns cover at least 99% of the test FS size in the guest's memory 1.727 
Pattern coverage: 106.115% (97 MiB out of 91 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 4.642 
Pattern coverage: 0.000% (0 MiB out of 1511 MiB reference memory)
After features/support/hooks.rb:339 0.643
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
57.584
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 6.831
And I prepare Tails for memory erasure tests 0.348
When I fill a 128 MiB file with a known pattern on the root filesystem 26.261
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.079
Then patterns cover at least 128 MiB in the guest's memory 1.517 
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 20.538 
Pattern coverage: 0.000% (0 MiB out of 1507 MiB reference memory)
After features/support/hooks.rb:339 3.748
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:40.306
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 3:53.206
And I prepare Tails for memory erasure tests 0.327
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.577
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 21.189 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:339 3.537
After features/support/hooks.rb:108 0.014