Project Number Date
test_Tails_ISO_stable 6643 07 Sep 2026, 20:05

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 7:28.000 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
20.104
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 6.436
And I prepare Tails for memory erasure tests 0.344
When I start a process allocating 128 MiB of memory with a known pattern 2.207
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.959 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.205
Then I find very few patterns in the guest's memory after 5 seconds 7.950 
Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)
After features/support/hooks.rb:339 0.828
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.574
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 6.494
And I prepare Tails for memory erasure tests 0.328
And I find very few patterns in the guest's memory 2.797 
Pattern coverage: 0.000% (0 MiB out of 1399 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.601
Then patterns cover at least 99% of the test FS size in the guest's memory 2.962 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.514
Then I find very few patterns in the guest's memory after 3 seconds 5.877 
Pattern coverage: 0.000% (0 MiB out of 1399 MiB reference memory)
After features/support/hooks.rb:339 0.658
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.707
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 6.494
And I prepare Tails for memory erasure tests 0.380
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.342
Then I find very few patterns in the guest's memory 2.942 
Pattern coverage: 0.000% (0 MiB out of 1398 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.896
Then patterns cover at least 75% of the test FS size in the guest's memory 3.122 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.803
Then I find very few patterns in the guest's memory after 3 seconds 5.730 
Pattern coverage: 0.000% (0 MiB out of 1398 MiB reference memory)
# read cache
When I mount the USB drive again 0.163
And I read the content of the test FS 0.593
Then patterns cover at least 99% of the test FS size in the guest's memory 2.903 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.403
Then I find very few patterns in the guest's memory after 3 seconds 5.928 
Pattern coverage: 0.000% (0 MiB out of 1398 MiB reference memory)
After features/support/hooks.rb:339 1.240
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:1.395
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 6.412
And I prepare Tails for memory erasure tests 0.382
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.926
Then I find very few patterns in the guest's memory 2.747 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.195
Then patterns cover at least 99% of the test FS size in the guest's memory 2.836 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.555
Then I find very few patterns in the guest's memory after 3 seconds 5.698 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
# read cache
When I mount the USB drive again 3.399
And I read the content of the test FS 0.325
Then patterns cover at least 99% of the test FS size in the guest's memory 2.725 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.473
Then I find very few patterns in the guest's memory after 3 seconds 5.717 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
After features/support/hooks.rb:339 1.033
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
45.510
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 6.518
And I prepare Tails for memory erasure tests 0.366
When I fill a 128 MiB file with a known pattern on the root filesystem 13.980
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.515
Then patterns cover at least 128 MiB in the guest's memory 2.382 
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 20.742 
Pattern coverage: 0.000% (0 MiB out of 1399 MiB reference memory)
After features/support/hooks.rb:339 3.486
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:22.707
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 3:51.496
And I prepare Tails for memory erasure tests 0.360
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.777
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.066 
Pattern coverage: 0.000% (0 MiB out of 1447 MiB reference memory)
After features/support/hooks.rb:339 3.508
After features/support/hooks.rb:108 0.012