Project Number Date
test_Tails_ISO_stable-flatpak 16 13 Sep 2026, 19:39

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 7:30.217 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
20.056
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 6.201
And I prepare Tails for memory erasure tests 0.279
When I start a process allocating 128 MiB of memory with a known pattern 2.208
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.827 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.790
Then I find very few patterns in the guest's memory after 5 seconds 7.748 
Pattern coverage: 0.000% (0 MiB out of 1424 MiB reference memory)
After features/support/hooks.rb:339 0.636
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.713
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.010
Given I have started Tails from DVD without network and logged in 6.208
And I prepare Tails for memory erasure tests 0.270
And I find very few patterns in the guest's memory 2.820 
Pattern coverage: 0.000% (0 MiB out of 1422 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.404
Then patterns cover at least 99% of the test FS size in the guest's memory 2.823 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.382
Then I find very few patterns in the guest's memory after 3 seconds 5.803 
Pattern coverage: 0.000% (0 MiB out of 1422 MiB reference memory)
After features/support/hooks.rb:339 0.958
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
35.936
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 6.146
And I prepare Tails for memory erasure tests 0.279
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.129
Then I find very few patterns in the guest's memory 2.743 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.452
Then patterns cover at least 75% of the test FS size in the guest's memory 3.207 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.669
Then I find very few patterns in the guest's memory after 3 seconds 5.609 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
# read cache
When I mount the USB drive again 0.166
And I read the content of the test FS 0.609
Then patterns cover at least 99% of the test FS size in the guest's memory 2.834 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.389
Then I find very few patterns in the guest's memory after 3 seconds 5.697 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
After features/support/hooks.rb:339 0.777
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:1.465
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 6.225
And I prepare Tails for memory erasure tests 0.286
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.143
Then I find very few patterns in the guest's memory 2.573 
Pattern coverage: 0.000% (0 MiB out of 1424 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.048
Then patterns cover at least 99% of the test FS size in the guest's memory 2.658 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.456
Then I find very few patterns in the guest's memory after 3 seconds 5.453 
Pattern coverage: 0.000% (0 MiB out of 1424 MiB reference memory)
# read cache
When I mount the USB drive again 3.769
And I read the content of the test FS 0.347
Then patterns cover at least 99% of the test FS size in the guest's memory 2.599 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.453
Then I find very few patterns in the guest's memory after 3 seconds 5.449 
Pattern coverage: 0.000% (0 MiB out of 1424 MiB reference memory)
After features/support/hooks.rb:339 0.776
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
56.865
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 17.880
And I prepare Tails for memory erasure tests 0.336
When I fill a 128 MiB file with a known pattern on the root filesystem 14.123
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.464
Then patterns cover at least 128 MiB in the guest's memory 2.333 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.721 
Pattern coverage: 0.000% (0 MiB out of 1423 MiB reference memory)
After features/support/hooks.rb:339 3.662
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:16.181
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 3:43.996
And I prepare Tails for memory erasure tests 0.257
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.799
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.122 
Pattern coverage: 0.000% (0 MiB out of 1451 MiB reference memory)
After features/support/hooks.rb:339 3.495
After features/support/hooks.rb:108 0.009