Project Number Date
test_Tails_ISO_stable 6699 29 Sep 2026, 11:25

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 7:18.689 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
19.563
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 6.184
And I prepare Tails for memory erasure tests 0.281
When I start a process allocating 128 MiB of memory with a known pattern 2.217
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.045 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.220
Then I find very few patterns in the guest's memory after 5 seconds 7.613 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
After features/support/hooks.rb:339 0.641
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.629
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 6.220
And I prepare Tails for memory erasure tests 0.259
And I find very few patterns in the guest's memory 2.666 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.364
Then patterns cover at least 99% of the test FS size in the guest's memory 3.103 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.323
Then I find very few patterns in the guest's memory after 3 seconds 5.692 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
After features/support/hooks.rb:339 0.540
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.406
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 6.151
And I prepare Tails for memory erasure tests 0.235
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.200
Then I find very few patterns in the guest's memory 2.803 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.584
Then patterns cover at least 75% of the test FS size in the guest's memory 3.220 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.607
Then I find very few patterns in the guest's memory after 3 seconds 5.752 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
# read cache
When I mount the USB drive again 0.167
And I read the content of the test FS 0.547
Then patterns cover at least 99% of the test FS size in the guest's memory 2.985 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.424
Then I find very few patterns in the guest's memory after 3 seconds 5.726 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
After features/support/hooks.rb:339 0.769
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
58.734
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 6.139
And I prepare Tails for memory erasure tests 0.308
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.598
Then I find very few patterns in the guest's memory 2.590 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.138
Then patterns cover at least 99% of the test FS size in the guest's memory 2.462 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.476
Then I find very few patterns in the guest's memory after 3 seconds 5.438 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
# read cache
When I mount the USB drive again 3.742
And I read the content of the test FS 0.317
Then patterns cover at least 99% of the test FS size in the guest's memory 2.564 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.444
Then I find very few patterns in the guest's memory after 3 seconds 5.512 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
After features/support/hooks.rb:339 1.052
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.348
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 6.278
And I prepare Tails for memory erasure tests 0.296
When I fill a 128 MiB file with a known pattern on the root filesystem 12.260
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.437
Then patterns cover at least 128 MiB in the guest's memory 2.326 
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 20.743 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
After features/support/hooks.rb:339 3.655
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:21.005
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 3:49.211
And I prepare Tails for memory erasure tests 0.271
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.432
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.085 
Pattern coverage: 0.000% (0 MiB out of 1446 MiB reference memory)
After features/support/hooks.rb:339 3.665
After features/support/hooks.rb:108 0.010