Project Number Date
test_Tails_ISO_21318-tor-browser-16.0 9 09 Jun 2026, 08:02

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 7:17.077 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
16.776
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 6.432
And I prepare Tails for memory erasure tests 0.429
When I start a process allocating 128 MiB of memory with a known pattern 1.162
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.866 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.172
Then I find very few patterns in the guest's memory after 5 seconds 6.712 
Pattern coverage: 0.000% (0 MiB out of 1532 MiB reference memory)
After features/support/hooks.rb:335 1.002
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
16.827
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 6.531
And I prepare Tails for memory erasure tests 0.354
And I find very few patterns in the guest's memory 1.622 
Pattern coverage: 0.000% (0 MiB out of 1539 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.493
Then patterns cover at least 99% of the test FS size in the guest's memory 1.869 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.252
Then I find very few patterns in the guest's memory after 3 seconds 4.704 
Pattern coverage: 0.000% (0 MiB out of 1539 MiB reference memory)
After features/support/hooks.rb:335 0.974
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
30.825
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 6.478
And I prepare Tails for memory erasure tests 0.324
When I plug and mount a 128 MiB USB drive with a vfat filesystem 4.978
Then I find very few patterns in the guest's memory 1.758 
Pattern coverage: 0.000% (0 MiB out of 1542 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.322
Then patterns cover at least 75% of the test FS size in the guest's memory 2.098 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.612
Then I find very few patterns in the guest's memory after 3 seconds 4.823 
Pattern coverage: 0.000% (0 MiB out of 1542 MiB reference memory)
# read cache
When I mount the USB drive again 0.163
And I read the content of the test FS 0.439
Then patterns cover at least 99% of the test FS size in the guest's memory 1.848 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.328
Then I find very few patterns in the guest's memory after 3 seconds 4.648 
Pattern coverage: 0.000% (0 MiB out of 1542 MiB reference memory)
After features/support/hooks.rb:335 0.922
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
55.946
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 6.419
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" 28.427
Then I find very few patterns in the guest's memory 1.574 
Pattern coverage: 0.000% (0 MiB out of 1540 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.325
Then patterns cover at least 99% of the test FS size in the guest's memory 1.755 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.519
Then I find very few patterns in the guest's memory after 3 seconds 4.622 
Pattern coverage: 0.000% (0 MiB out of 1540 MiB reference memory)
# read cache
When I mount the USB drive again 3.816
And I read the content of the test FS 0.326
Then patterns cover at least 99% of the test FS size in the guest's memory 1.753 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.488
Then I find very few patterns in the guest's memory after 3 seconds 4.571 
Pattern coverage: 0.000% (0 MiB out of 1540 MiB reference memory)
After features/support/hooks.rb:335 0.835
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
52.555
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 6.455
And I prepare Tails for memory erasure tests 0.410
When I fill a 128 MiB file with a known pattern on the root filesystem 21.567
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.060
Then patterns cover at least 128 MiB in the guest's memory 1.593 
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 20.461 
Pattern coverage: 0.000% (0 MiB out of 1534 MiB reference memory)
After features/support/hooks.rb:335 3.578
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
4:24.146
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 3:46.248
And I prepare Tails for memory erasure tests 0.292
When I fill a 128 MiB file with a known pattern on the persistent filesystem 16.772
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.826 
Pattern coverage: 0.000% (0 MiB out of 1535 MiB reference memory)
After features/support/hooks.rb:335 3.625
After features/support/hooks.rb:104 0.009