Project Number Date
test_Tails_ISO_21318-tor-browser-16.0 75 18 Aug 2026, 08:03

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 7:26.727 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
19.947
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.389
And I prepare Tails for memory erasure tests 0.283
When I start a process allocating 128 MiB of memory with a known pattern 2.239
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.939 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.503
Then I find very few patterns in the guest's memory after 5 seconds 7.592 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
After features/support/hooks.rb:339 0.787
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.722
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.234
And I prepare Tails for memory erasure tests 0.354
And I find very few patterns in the guest's memory 2.757 
Pattern coverage: 0.000% (0 MiB out of 1466 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 2.912 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.364
Then I find very few patterns in the guest's memory after 3 seconds 5.689 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
After features/support/hooks.rb:339 1.072
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.393
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.325
And I prepare Tails for memory erasure tests 0.317
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.327
Then I find very few patterns in the guest's memory 2.653 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.438
Then patterns cover at least 75% of the test FS size in the guest's memory 3.095 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.685
Then I find very few patterns in the guest's memory after 3 seconds 5.913 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
# read cache
When I mount the USB drive again 0.160
And I read the content of the test FS 0.614
Then patterns cover at least 99% of the test FS size in the guest's memory 2.886 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.467
Then I find very few patterns in the guest's memory after 3 seconds 5.506 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
After features/support/hooks.rb:339 0.796
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:5.309
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.382
And I prepare Tails for memory erasure tests 0.332
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.371
Then I find very few patterns in the guest's memory 2.484 
Pattern coverage: 0.000% (0 MiB out of 1456 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.297
Then patterns cover at least 99% of the test FS size in the guest's memory 3.005 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.588
Then I find very few patterns in the guest's memory after 3 seconds 5.839 
Pattern coverage: 0.000% (0 MiB out of 1456 MiB reference memory)
# read cache
When I mount the USB drive again 3.945
And I read the content of the test FS 0.342
Then patterns cover at least 99% of the test FS size in the guest's memory 2.621 
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 5.665 
Pattern coverage: 0.000% (0 MiB out of 1456 MiB reference memory)
After features/support/hooks.rb:339 1.136
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.539
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.337
And I prepare Tails for memory erasure tests 0.346
When I fill a 128 MiB file with a known pattern on the root filesystem 13.204
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.707
Then patterns cover at least 128 MiB in the guest's memory 2.210 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.728 
Pattern coverage: 0.000% (0 MiB out of 1461 MiB reference memory)
After features/support/hooks.rb:339 3.530
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:20.814
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:49.201
And I prepare Tails for memory erasure tests 0.267
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.302
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.038 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
After features/support/hooks.rb:339 3.882
After features/support/hooks.rb:108 0.010