Project Number Date
test_Tails_ISO_web-release-7.12 3 02 Sep 2026, 18:16

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 7:50.452 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
20.042
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 6.461
And I prepare Tails for memory erasure tests 0.328
When I start a process allocating 128 MiB of memory with a known pattern 2.252
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.655 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.714
Then I find very few patterns in the guest's memory after 5 seconds 7.630 
Pattern coverage: 0.000% (0 MiB out of 1459 MiB reference memory)
After features/support/hooks.rb:339 0.842
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
21.157
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.005
Given I have started Tails from DVD without network and logged in 6.613
And I prepare Tails for memory erasure tests 0.325
And I find very few patterns in the guest's memory 2.774 
Pattern coverage: 0.000% (0 MiB out of 1453 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.694
Then patterns cover at least 99% of the test FS size in the guest's memory 2.815 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.442
Then I find very few patterns in the guest's memory after 3 seconds 6.492 
Pattern coverage: 0.000% (0 MiB out of 1453 MiB reference memory)
After features/support/hooks.rb:339 0.743
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
39.680
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 6.982
And I prepare Tails for memory erasure tests 0.378
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.600
Then I find very few patterns in the guest's memory 3.149 
Pattern coverage: 0.000% (0 MiB out of 1460 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.993
Then patterns cover at least 75% of the test FS size in the guest's memory 3.825 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.759
Then I find very few patterns in the guest's memory after 3 seconds 5.752 
Pattern coverage: 0.000% (0 MiB out of 1460 MiB reference memory)
# read cache
When I mount the USB drive again 0.204
And I read the content of the test FS 0.636
Then patterns cover at least 99% of the test FS size in the guest's memory 3.151 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.415
Then I find very few patterns in the guest's memory after 3 seconds 5.828 
Pattern coverage: 0.000% (0 MiB out of 1460 MiB reference memory)
After features/support/hooks.rb:339 0.556
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:7.208
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 6.626
And I prepare Tails for memory erasure tests 0.324
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.859
Then I find very few patterns in the guest's memory 2.768 
Pattern coverage: 0.000% (0 MiB out of 1459 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.189
Then patterns cover at least 99% of the test FS size in the guest's memory 2.797 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.506
Then I find very few patterns in the guest's memory after 3 seconds 5.780 
Pattern coverage: 0.000% (0 MiB out of 1459 MiB reference memory)
# read cache
When I mount the USB drive again 4.290
And I read the content of the test FS 0.331
Then patterns cover at least 99% of the test FS size in the guest's memory 2.896 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.431
Then I find very few patterns in the guest's memory after 3 seconds 5.405 
Pattern coverage: 0.000% (0 MiB out of 1459 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
44.186
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 6.403
And I prepare Tails for memory erasure tests 0.301
When I fill a 128 MiB file with a known pattern on the root filesystem 13.189
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.356
Then patterns cover at least 128 MiB in the guest's memory 2.202 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.726 
Pattern coverage: 0.000% (0 MiB out of 1460 MiB reference memory)
After features/support/hooks.rb:339 3.873
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:38.176
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 4:6.910
And I prepare Tails for memory erasure tests 0.275
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.847
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.137 
Pattern coverage: 0.000% (0 MiB out of 1520 MiB reference memory)
After features/support/hooks.rb:339 3.573
After features/support/hooks.rb:108 0.021