Project Number Date
test_Tails_ISO_devel 4435 07 Jun 2026, 07:55

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 7:32.710 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
18.777
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.002
Given I have started Tails from DVD without network and logged in 6.749
And I prepare Tails for memory erasure tests 0.353
When I start a process allocating 128 MiB of memory with a known pattern 2.307
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.951 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.708
Then I find very few patterns in the guest's memory after 5 seconds 6.705 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
After features/support/hooks.rb:335 0.995
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
17.850
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.003
Given I have started Tails from DVD without network and logged in 6.834
And I prepare Tails for memory erasure tests 0.504
And I find very few patterns in the guest's memory 1.945 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.550
Then patterns cover at least 99% of the test FS size in the guest's memory 2.053 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.264
Then I find very few patterns in the guest's memory after 3 seconds 4.697 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
After features/support/hooks.rb:335 0.940
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
32.353
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.002
Given I have started Tails from DVD without network and logged in 6.590
And I prepare Tails for memory erasure tests 0.382
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.504
Then I find very few patterns in the guest's memory 1.840 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.504
Then patterns cover at least 75% 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 0.645
Then I find very few patterns in the guest's memory after 3 seconds 4.971 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
# read cache
When I mount the USB drive again 0.178
And I read the content of the test FS 0.449
Then patterns cover at least 99% of the test FS size in the guest's memory 2.072 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.323
Then I find very few patterns in the guest's memory after 3 seconds 4.864 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
After features/support/hooks.rb:335 0.891
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
56.263
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.521
And I prepare Tails for memory erasure tests 0.323
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.353
Then I find very few patterns in the guest's memory 1.744 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.403
Then patterns cover at least 99% of the test FS size in the guest's memory 1.828 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.492
Then I find very few patterns in the guest's memory after 3 seconds 4.577 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# read cache
When I mount the USB drive again 3.673
And I read the content of the test FS 0.283
Then patterns cover at least 99% of the test FS size in the guest's memory 1.943 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.402
Then I find very few patterns in the guest's memory after 3 seconds 4.715 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:335 1.050
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
55.571
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.002
Given I have started Tails from DVD without network and logged in 6.720
And I prepare Tails for memory erasure tests 0.351
When I fill a 128 MiB file with a known pattern on the root filesystem 24.242
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.987
Then patterns cover at least 128 MiB in the guest's memory 1.702 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 20.559 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:335 3.484
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
4:31.893
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:52.496
And I prepare Tails for memory erasure tests 0.300
When I fill a 128 MiB file with a known pattern on the persistent filesystem 18.095
When I trigger shutdown 0.008
Then I find very few patterns in the guest's memory after 20 seconds 20.993 
Pattern coverage: 0.000% (0 MiB out of 1521 MiB reference memory)
After features/support/hooks.rb:335 3.886
After features/support/hooks.rb:104 0.011