Project Number Date
test_Tails_ISO_21318-tor-browser-16.0 18 19 Jun 2026, 08:12

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 7:45.405 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
18.174
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.019
Given I have started Tails from DVD without network and logged in 6.949
And I prepare Tails for memory erasure tests 0.310
When I start a process allocating 128 MiB of memory with a known pattern 2.230
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.898 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.159
Then I find very few patterns in the guest's memory after 5 seconds 6.625 
Pattern coverage: 0.000% (0 MiB out of 1528 MiB reference memory)
After features/support/hooks.rb:339 0.800
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
17.456
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.018
Given I have started Tails from DVD without network and logged in 6.935
And I prepare Tails for memory erasure tests 0.284
And I find very few patterns in the guest's memory 1.726 
Pattern coverage: 0.000% (0 MiB out of 1541 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.558
Then patterns cover at least 99% of the test FS size in the guest's memory 1.880 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.323
Then I find very few patterns in the guest's memory after 3 seconds 4.747 
Pattern coverage: 0.000% (0 MiB out of 1541 MiB reference memory)
After features/support/hooks.rb:339 0.746
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
31.173
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.021
Given I have started Tails from DVD without network and logged in 6.780
And I prepare Tails for memory erasure tests 0.262
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.113
Then I find very few patterns in the guest's memory 1.665 
Pattern coverage: 0.000% (0 MiB out of 1527 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.593
Then patterns cover at least 75% of the test FS size in the guest's memory 1.925 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.776
Then I find very few patterns in the guest's memory after 3 seconds 4.750 
Pattern coverage: 0.000% (0 MiB out of 1527 MiB reference memory)
# read cache
When I mount the USB drive again 0.133
And I read the content of the test FS 0.376
Then patterns cover at least 99% of the test FS size in the guest's memory 1.799 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.342
Then I find very few patterns in the guest's memory after 3 seconds 4.654 
Pattern coverage: 0.000% (0 MiB out of 1527 MiB reference memory)
After features/support/hooks.rb:339 1.051
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
58.170
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.020
Given I have started Tails from DVD without network and logged in 6.815
And I prepare Tails for memory erasure tests 0.395
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.974
Then I find very few patterns in the guest's memory 1.601 
Pattern coverage: 0.000% (0 MiB out of 1528 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.393
Then patterns cover at least 99% of the test FS size in the guest's memory 1.662 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.574
Then I find very few patterns in the guest's memory after 3 seconds 4.593 
Pattern coverage: 0.000% (0 MiB out of 1528 MiB reference memory)
# read cache
When I mount the USB drive again 3.987
And I read the content of the test FS 0.395
Then patterns cover at least 99% of the test FS size in the guest's memory 1.785 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.429
Then I find very few patterns in the guest's memory after 3 seconds 4.561 
Pattern coverage: 0.000% (0 MiB out of 1528 MiB reference memory)
After features/support/hooks.rb:339 0.659
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
55.687
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.027
Given I have started Tails from DVD without network and logged in 7.003
And I prepare Tails for memory erasure tests 0.306
When I fill a 128 MiB file with a known pattern on the root filesystem 24.563
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.940
Then patterns cover at least 128 MiB in the guest's memory 1.377 
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 20.489 
Pattern coverage: 0.000% (0 MiB out of 1537 MiB reference memory)
After features/support/hooks.rb:339 3.397
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:44.742
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.018
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:2.819
And I prepare Tails for memory erasure tests 0.323
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.685
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.908 
Pattern coverage: 0.000% (0 MiB out of 1509 MiB reference memory)
After features/support/hooks.rb:339 3.438
After features/support/hooks.rb:108 0.077