Project Number Date
test_Tails_ISO_21565-flatpak-safe 67 05 Oct 2026, 14:58

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 7:33.627 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
19.842
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 6.283
And I prepare Tails for memory erasure tests 0.325
When I start a process allocating 128 MiB of memory with a known pattern 2.236
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.054 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.178
Then I find very few patterns in the guest's memory after 5 seconds 7.764 
Pattern coverage: 0.000% (0 MiB out of 1418 MiB reference memory)
After features/support/hooks.rb:339 0.911
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.852
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 6.281
And I prepare Tails for memory erasure tests 0.382
And I find very few patterns in the guest's memory 2.894 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.469
Then patterns cover at least 99% of the test FS size in the guest's memory 2.826 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.362
Then I find very few patterns in the guest's memory after 3 seconds 5.636 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
After features/support/hooks.rb:339 0.853
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
38.687
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 6.202
And I prepare Tails for memory erasure tests 0.395
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.340
Then I find very few patterns in the guest's memory 2.831 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.699
Then patterns cover at least 75% of the test FS size in the guest's memory 3.058 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.012
Then I find very few patterns in the guest's memory after 3 seconds 5.874 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
# read cache
When I mount the USB drive again 0.200
And I read the content of the test FS 0.573
Then patterns cover at least 99% of the test FS size in the guest's memory 2.885 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.368
Then I find very few patterns in the guest's memory after 3 seconds 6.244 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
After features/support/hooks.rb:339 1.743
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:11.784
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 6.496
And I prepare Tails for memory erasure tests 0.418
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.225
Then I find very few patterns in the guest's memory 2.600 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.143
Then patterns cover at least 99% of the test FS size in the guest's memory 3.059 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.892
Then I find very few patterns in the guest's memory after 3 seconds 5.869 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
# read cache
When I mount the USB drive again 4.008
And I read the content of the test FS 0.377
Then patterns cover at least 99% of the test FS size in the guest's memory 2.763 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.443
Then I find very few patterns in the guest's memory after 3 seconds 5.485 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
After features/support/hooks.rb:339 0.923
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.013
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 6.193
And I prepare Tails for memory erasure tests 0.342
When I fill a 128 MiB file with a known pattern on the root filesystem 12.119
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.486
Then patterns cover at least 128 MiB in the guest's memory 2.132 
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 20.734 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
After features/support/hooks.rb:339 3.532
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:20.445
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 3:49.176
And I prepare Tails for memory erasure tests 0.270
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.809
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.184 
Pattern coverage: 0.000% (0 MiB out of 1455 MiB reference memory)
After features/support/hooks.rb:339 3.762
After features/support/hooks.rb:108 0.010