Project Number Date
test_Tails_ISO_stable-flatpak 12 10 Sep 2026, 07:36

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 7:24.368 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
19.622
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 6.330
And I prepare Tails for memory erasure tests 0.401
When I start a process allocating 128 MiB of memory with a known pattern 2.197
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.887 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.179
Then I find very few patterns in the guest's memory after 5 seconds 7.624 
Pattern coverage: 0.000% (0 MiB out of 1415 MiB reference memory)
After features/support/hooks.rb:339 0.623
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.487
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 6.480
And I prepare Tails for memory erasure tests 0.399
And I find very few patterns in the guest's memory 2.962 
Pattern coverage: 0.000% (0 MiB out of 1416 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.479
Then patterns cover at least 99% of the test FS size in the guest's memory 3.045 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.365
Then I find very few patterns in the guest's memory after 3 seconds 5.754 
Pattern coverage: 0.000% (0 MiB out of 1416 MiB reference memory)
After features/support/hooks.rb:339 0.767
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
40.791
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 6.540
And I prepare Tails for memory erasure tests 0.318
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.257
Then I find very few patterns in the guest's memory 2.658 
Pattern coverage: 0.000% (0 MiB out of 1416 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.656
Then patterns cover at least 75% of the test FS size in the guest's memory 3.041 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.726
Then I find very few patterns in the guest's memory after 3 seconds 5.801 
Pattern coverage: 0.000% (0 MiB out of 1416 MiB reference memory)
# read cache
When I mount the USB drive again 0.183
And I read the content of the test FS 0.670
Then patterns cover at least 99% of the test FS size in the guest's memory 4.537 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.450
Then I find very few patterns in the guest's memory after 3 seconds 7.947 
Pattern coverage: 0.000% (0 MiB out of 1416 MiB reference memory)
After features/support/hooks.rb:339 1.103
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:4.540
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.006
Given I have started Tails from DVD without network and logged in 6.944
And I prepare Tails for memory erasure tests 0.295
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.768
Then I find very few patterns in the guest's memory 2.826 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.194
Then patterns cover at least 99% of the test FS size in the guest's memory 2.831 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.519
Then I find very few patterns in the guest's memory after 3 seconds 5.498 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
# read cache
When I mount the USB drive again 3.527
And I read the content of the test FS 0.382
Then patterns cover at least 99% of the test FS size in the guest's memory 2.664 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.411
Then I find very few patterns in the guest's memory after 3 seconds 5.674 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
After features/support/hooks.rb:339 1.112
After features/support/hooks.rb:108 0.002
Tags: @product @slow @not_release_blocker
43.352
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 7.098
And I prepare Tails for memory erasure tests 0.316
When I fill a 128 MiB file with a known pattern on the root filesystem 11.297
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.745
Then patterns cover at least 128 MiB in the guest's memory 2.137 
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 20.752 
Pattern coverage: 0.000% (0 MiB out of 1420 MiB reference memory)
After features/support/hooks.rb:339 3.668
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:15.573
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 3:45.000
And I prepare Tails for memory erasure tests 0.267
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.128
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.171 
Pattern coverage: 0.000% (0 MiB out of 1450 MiB reference memory)
After features/support/hooks.rb:339 3.724
After features/support/hooks.rb:108 0.010