Project Number Date
test_Tails_ISO_release-process-7.7.3 4 11 May 2026, 18:27

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 7:27.120 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
17.867
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 6.685
And I prepare Tails for memory erasure tests 0.344
When I start a process allocating 128 MiB of memory with a known pattern 1.181
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.489 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.164
Then I find very few patterns in the guest's memory after 5 seconds 7.003 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:331 0.904
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
18.187
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 6.573
And I prepare Tails for memory erasure tests 0.370
And I find very few patterns in the guest's memory 1.881 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.699
Then patterns cover at least 99% of the test FS size in the guest's memory 2.255 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.325
Then I find very few patterns in the guest's memory after 3 seconds 5.080 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:331 0.684
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
33.155
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 6.696
And I prepare Tails for memory erasure tests 0.431
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.634
Then I find very few patterns in the guest's memory 1.982 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.751
Then patterns cover at least 75% of the test FS size in the guest's memory 2.054 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.774
Then I find very few patterns in the guest's memory after 3 seconds 4.791 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
# read cache
When I mount the USB drive again 0.167
And I read the content of the test FS 0.406
Then patterns cover at least 99% of the test FS size in the guest's memory 2.064 
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 4.997 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:331 0.697
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.103
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 6.678
And I prepare Tails for memory erasure tests 0.434
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.476
Then I find very few patterns in the guest's memory 1.849 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.440
Then patterns cover at least 99% of the test FS size in the guest's memory 1.971 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.514
Then I find very few patterns in the guest's memory after 3 seconds 4.815 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
# read cache
When I mount the USB drive again 3.718
And I read the content of the test FS 0.289
Then patterns cover at least 99% of the test FS size in the guest's memory 1.854 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.433
Then I find very few patterns in the guest's memory after 3 seconds 4.627 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
After features/support/hooks.rb:331 1.006
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.629
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 6.913
And I prepare Tails for memory erasure tests 0.345
When I fill a 128 MiB file with a known pattern on the root filesystem 22.419
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.785
Then patterns cover at least 128 MiB in the guest's memory 1.628 
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 20.531 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:331 3.436
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:27.175
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:48.625
And I prepare Tails for memory erasure tests 0.395
When I fill a 128 MiB file with a known pattern on the persistent filesystem 17.104
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.044 
Pattern coverage: 0.000% (0 MiB out of 1522 MiB reference memory)
After features/support/hooks.rb:331 3.552
After features/support/hooks.rb:100 0.014