Project Number Date
test_Tails_ISO_devel 4448 15 Jun 2026, 15:25

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 8:7.502 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
18.058
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.019
Given I have started Tails from DVD without network and logged in 7.164
And I prepare Tails for memory erasure tests 0.345
When I start a process allocating 128 MiB of memory with a known pattern 1.150
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.033 
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 7.159 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
After features/support/hooks.rb:339 0.774
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
18.333
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.022
Given I have started Tails from DVD without network and logged in 7.235
And I prepare Tails for memory erasure tests 0.350
And I find very few patterns in the guest's memory 1.702 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.592
Then patterns cover at least 99% of the test FS size in the guest's memory 2.127 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.273
Then I find very few patterns in the guest's memory after 3 seconds 5.052 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:339 1.131
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
33.599
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.017
Given I have started Tails from DVD without network and logged in 7.182
And I prepare Tails for memory erasure tests 0.305
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.350
Then I find very few patterns in the guest's memory 2.082 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.575
Then patterns cover at least 75% of the test FS size in the guest's memory 2.645 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.734
Then I find very few patterns in the guest's memory after 3 seconds 5.015 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
# read cache
When I mount the USB drive again 0.162
And I read the content of the test FS 0.417
Then patterns cover at least 99% of the test FS size in the guest's memory 1.942 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.334
Then I find very few patterns in the guest's memory after 3 seconds 4.849 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
After features/support/hooks.rb:339 0.721
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:3.941
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.017
Given I have started Tails from DVD without network and logged in 7.491
And I prepare Tails for memory erasure tests 0.355
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.420
Then I find very few patterns in the guest's memory 2.456 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.471
Then patterns cover at least 99% of the test FS size in the guest's memory 2.248 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.589
Then I find very few patterns in the guest's memory after 3 seconds 4.872 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
# read cache
When I mount the USB drive again 4.310
And I read the content of the test FS 0.399
Then patterns cover at least 99% of the test FS size in the guest's memory 2.074 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.429
Then I find very few patterns in the guest's memory after 3 seconds 4.819 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
After features/support/hooks.rb:339 0.956
After features/support/hooks.rb:108 0.001
Tags: @product @slow @not_release_blocker
56.138
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.020
Given I have started Tails from DVD without network and logged in 7.390
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 23.983
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.940
Then patterns cover at least 128 MiB in the guest's memory 1.542 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.008
Then I find very few patterns in the guest's memory after 20 seconds 20.925 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
After features/support/hooks.rb:339 3.461
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:57.431
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.018
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:18.316
And I prepare Tails for memory erasure tests 0.380
When I fill a 128 MiB file with a known pattern on the persistent filesystem 17.699
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 21.028 
Pattern coverage: 0.000% (0 MiB out of 1520 MiB reference memory)
After features/support/hooks.rb:339 3.884
After features/support/hooks.rb:108 0.087