Project Number Date
test_Tails_ISO_21318-tor-browser-16.0 26 27 Jun 2026, 08:06

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 7:36.759 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
17.088
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 6.542
And I prepare Tails for memory erasure tests 0.334
When I start a process allocating 128 MiB of memory with a known pattern 1.152
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.884 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.169
Then I find very few patterns in the guest's memory after 5 seconds 7.004 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:339 0.732
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
16.756
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 6.521
And I prepare Tails for memory erasure tests 0.340
And I find very few patterns in the guest's memory 1.700 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.444
Then patterns cover at least 99% of the test FS size in the guest's memory 1.820 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.305
Then I find very few patterns in the guest's memory after 3 seconds 4.622 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:339 1.104
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
30.988
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 6.490
And I prepare Tails for memory erasure tests 0.329
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.168
Then I find very few patterns in the guest's memory 1.704 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.458
Then patterns cover at least 75% of the test FS size in the guest's memory 1.905 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.666
Then I find very few patterns in the guest's memory after 3 seconds 4.785 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
# read cache
When I mount the USB drive again 0.142
And I read the content of the test FS 0.419
Then patterns cover at least 99% of the test FS size in the guest's memory 1.910 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.362
Then I find very few patterns in the guest's memory after 3 seconds 4.644 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:339 0.772
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
55.769
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 6.428
And I prepare Tails for memory erasure tests 0.316
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.598
Then I find very few patterns in the guest's memory 1.603 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.090
Then patterns cover at least 99% of the test FS size in the guest's memory 1.707 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.458
Then I find very few patterns in the guest's memory after 3 seconds 4.675 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
# read cache
When I mount the USB drive again 3.591
And I read the content of the test FS 0.328
Then patterns cover at least 99% of the test FS size in the guest's memory 1.831 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.417
Then I find very few patterns in the guest's memory after 3 seconds 4.720 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:339 1.021
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:0.273
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 6.469
And I prepare Tails for memory erasure tests 0.375
When I fill a 128 MiB file with a known pattern on the root filesystem 29.487
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.861
Then patterns cover at least 128 MiB in the guest's memory 1.517 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 20.551 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:339 3.827
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:35.882
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 3:48.789
And I prepare Tails for memory erasure tests 0.319
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.797
When I trigger shutdown 0.010
Then I find very few patterns in the guest's memory after 20 seconds 20.965 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
After features/support/hooks.rb:339 3.886
After features/support/hooks.rb:108 0.010