Project Number Date
test_Tails_ISO_21318-tor-browser-16.0 53 25 Jul 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 7:36.709 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
17.958
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.539
And I prepare Tails for memory erasure tests 0.308
When I start a process allocating 128 MiB of memory with a known pattern 2.199
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.903 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.210
Then I find very few patterns in the guest's memory after 5 seconds 6.796 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:339 0.824
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
17.088
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 6.475
And I prepare Tails for memory erasure tests 0.299
And I find very few patterns in the guest's memory 1.621 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.562
Then patterns cover at least 99% of the test FS size in the guest's memory 1.895 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.418
Then I find very few patterns in the guest's memory after 3 seconds 4.814 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
After features/support/hooks.rb:339 0.882
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
31.653
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 6.448
And I prepare Tails for memory erasure tests 0.296
When I plug and mount a 128 MiB USB drive with a vfat filesystem 4.957
Then I find very few patterns in the guest's memory 1.831 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.707
Then patterns cover at least 75% of the test FS size in the guest's memory 2.114 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.722
Then I find very few patterns in the guest's memory after 3 seconds 4.807 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# read cache
When I mount the USB drive again 0.170
And I read the content of the test FS 0.413
Then patterns cover at least 99% of the test FS size in the guest's memory 1.978 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.456
Then I find very few patterns in the guest's memory after 3 seconds 4.748 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:339 0.618
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:0.165
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.462
And I prepare Tails for memory erasure tests 0.351
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.663
Then I find very few patterns in the guest's memory 1.800 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.175
Then patterns cover at least 99% of the test FS size in the guest's memory 1.778 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.543
Then I find very few patterns in the guest's memory after 3 seconds 4.644 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
# read cache
When I mount the USB drive again 4.497
And I read the content of the test FS 0.267
Then patterns cover at least 99% of the test FS size in the guest's memory 1.891 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.385
Then I find very few patterns in the guest's memory after 3 seconds 4.703 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:339 0.844
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
58.914
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 6.435
And I prepare Tails for memory erasure tests 0.338
When I fill a 128 MiB file with a known pattern on the root filesystem 28.424
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.706
Then patterns cover at least 128 MiB in the guest's memory 1.516 
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 20.487 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
After features/support/hooks.rb:339 3.667
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:30.929
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 3:43.177
And I prepare Tails for memory erasure tests 0.269
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.580
When I trigger shutdown 0.008
Then I find very few patterns in the guest's memory after 20 seconds 20.892 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:339 3.783
After features/support/hooks.rb:108 0.010