Project Number Date
test_Tails_ISO_21461-update-chutney 10 31 Jul 2026, 22:37

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 7:25.724 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
19.729
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.115
And I prepare Tails for memory erasure tests 0.258
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 2.848 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.734
Then I find very few patterns in the guest's memory after 5 seconds 7.572 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:339 0.978
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
30.892
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 17.707
And I prepare Tails for memory erasure tests 0.287
And I find very few patterns in the guest's memory 2.774 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.351
Then patterns cover at least 99% of the test FS size in the guest's memory 2.780 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.389
Then I find very few patterns in the guest's memory after 3 seconds 5.601 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:339 0.820
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.015
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 6.283
And I prepare Tails for memory erasure tests 0.326
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.134
Then I find very few patterns in the guest's memory 2.621 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.577
Then patterns cover at least 75% of the test FS size in the guest's memory 2.942 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.723
Then I find very few patterns in the guest's memory after 3 seconds 5.738 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
# read cache
When I mount the USB drive again 0.162
And I read the content of the test FS 0.536
Then patterns cover at least 99% of the test FS size in the guest's memory 2.856 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.433
Then I find very few patterns in the guest's memory after 3 seconds 5.678 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:339 0.670
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
59.699
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.177
And I prepare Tails for memory erasure tests 0.378
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.982
Then I find very few patterns in the guest's memory 2.608 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 0.989
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 0.567
Then I find very few patterns in the guest's memory after 3 seconds 5.293 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
# read cache
When I mount the USB drive again 4.225
And I read the content of the test FS 0.365
Then patterns cover at least 99% of the test FS size in the guest's memory 2.670 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.370
Then I find very few patterns in the guest's memory after 3 seconds 5.447 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
After features/support/hooks.rb:339 0.998
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.312
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.206
And I prepare Tails for memory erasure tests 0.280
When I fill a 128 MiB file with a known pattern on the root filesystem 12.562
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.408
Then patterns cover at least 128 MiB in the guest's memory 2.162 
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 20.686 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:339 3.688
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:16.075
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:45.321
And I prepare Tails for memory erasure tests 0.242
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.406
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.100 
Pattern coverage: 0.000% (0 MiB out of 1521 MiB reference memory)
After features/support/hooks.rb:339 3.590
After features/support/hooks.rb:108 0.008