Project Number Date
test_Tails_ISO_devel 4143 31 Dec 2025, 07:52

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 6:57.746 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
16.732
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 6.464
And I prepare Tails for memory erasure tests 0.319
When I start a process allocating 128 MiB of memory with a known pattern 1.185
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.892 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.153
Then I find very few patterns in the guest's memory after 5 seconds 6.717 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
After features/support/hooks.rb:331 0.974
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
16.773
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 6.534
And I prepare Tails for memory erasure tests 0.306
And I find very few patterns in the guest's memory 1.668 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.410
Then patterns cover at least 99% of the test FS size in the guest's memory 1.871 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.310
Then I find very few patterns in the guest's memory after 3 seconds 4.672 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:331 1.134
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
30.597
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 6.438
And I prepare Tails for memory erasure tests 0.350
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.031
Then I find very few patterns in the guest's memory 1.630 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.085
Then patterns cover at least 75% of the test FS size in the guest's memory 2.115 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.660
Then I find very few patterns in the guest's memory after 3 seconds 4.757 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
# read cache
When I mount the USB drive again 0.165
And I read the content of the test FS 0.433
Then patterns cover at least 99% of the test FS size in the guest's memory 1.922 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.350
Then I find very few patterns in the guest's memory after 3 seconds 4.655 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:331 0.615
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.353
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 6.598
And I prepare Tails for memory erasure tests 0.302
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.784
Then I find very few patterns in the guest's memory 1.600 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 0.980
Then patterns cover at least 99% of the test FS size in the guest's memory 1.728 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.457
Then I find very few patterns in the guest's memory after 3 seconds 4.698 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
# read cache
When I mount the USB drive again 4.231
And I read the content of the test FS 0.284
Then patterns cover at least 99% of the test FS size in the guest's memory 1.702 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.431
Then I find very few patterns in the guest's memory after 3 seconds 4.553 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
After features/support/hooks.rb:331 0.848
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
42.454
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 6.393
And I prepare Tails for memory erasure tests 0.373
When I fill a 128 MiB file with a known pattern on the root filesystem 12.176
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.636
Then patterns cover at least 128 MiB in the guest's memory 1.379 
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 20.489 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:331 3.570
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:14.834
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:43.722
And I prepare Tails for memory erasure tests 0.325
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.941
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.839 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:331 3.408
After features/support/hooks.rb:100 0.008