Project Number Date
test_Tails_ISO_21565-flatpak-safe 130 07 Nov 2026, 03:34

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 7:12.957 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
19.962
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 6.163
And I prepare Tails for memory erasure tests 0.277
When I start a process allocating 128 MiB of memory with a known pattern 2.185
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.831 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.802
Then I find very few patterns in the guest's memory after 5 seconds 7.703 
Pattern coverage: 0.000% (0 MiB out of 1403 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
19.910
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 6.144
And I prepare Tails for memory erasure tests 0.284
And I find very few patterns in the guest's memory 2.625 
Pattern coverage: 0.000% (0 MiB out of 1399 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.439
Then patterns cover at least 99% of the test FS size in the guest's memory 3.358 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.401
Then I find very few patterns in the guest's memory after 3 seconds 5.656 
Pattern coverage: 0.000% (0 MiB out of 1399 MiB reference memory)
After features/support/hooks.rb:339 0.848
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.388
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 6.182
And I prepare Tails for memory erasure tests 0.315
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.275
Then I find very few patterns in the guest's memory 2.636 
Pattern coverage: 0.000% (0 MiB out of 1394 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.630
Then patterns cover at least 75% of the test FS size in the guest's memory 2.964 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.717
Then I find very few patterns in the guest's memory after 3 seconds 5.680 
Pattern coverage: 0.000% (0 MiB out of 1394 MiB reference memory)
# read cache
When I mount the USB drive again 0.163
And I read the content of the test FS 0.600
Then patterns cover at least 99% of the test FS size in the guest's memory 2.815 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.683
Then I find very few patterns in the guest's memory after 3 seconds 5.721 
Pattern coverage: 0.000% (0 MiB out of 1394 MiB reference memory)
After features/support/hooks.rb:339 0.821
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
59.023
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 6.304
And I prepare Tails for memory erasure tests 0.287
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.313
Then I find very few patterns in the guest's memory 2.538 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.320
Then patterns cover at least 99% of the test FS size in the guest's memory 2.783 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.542
Then I find very few patterns in the guest's memory after 3 seconds 5.436 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
# read cache
When I mount the USB drive again 3.623
And I read the content of the test FS 0.356
Then patterns cover at least 99% of the test FS size in the guest's memory 2.520 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.547
Then I find very few patterns in the guest's memory after 3 seconds 5.447 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
After features/support/hooks.rb:339 0.723
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.884
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 6.087
And I prepare Tails for memory erasure tests 1.235
When I fill a 128 MiB file with a known pattern on the root filesystem 12.995
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.649
Then patterns cover at least 128 MiB in the guest's memory 2.188 
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 20.721 
Pattern coverage: 0.000% (0 MiB out of 1398 MiB reference memory)
After features/support/hooks.rb:339 3.641
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:12.787
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 3:40.391
And I prepare Tails for memory erasure tests 0.248
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.003
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.139 
Pattern coverage: 0.000% (0 MiB out of 1455 MiB reference memory)
After features/support/hooks.rb:339 3.425
After features/support/hooks.rb:108 0.025