Project Number Date
test_Tails_ISO_21565-flatpak-safe 9 24 Aug 2026, 16:31

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 8:0.464 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
20.361
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 6.454
And I prepare Tails for memory erasure tests 0.401
When I start a process allocating 128 MiB of memory with a known pattern 2.223
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.990 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.292
Then I find very few patterns in the guest's memory after 5 seconds 7.998 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
After features/support/hooks.rb:339 0.874
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
32.529
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 18.713
And I prepare Tails for memory erasure tests 0.335
And I find very few patterns in the guest's memory 2.873 
Pattern coverage: 0.000% (0 MiB out of 1459 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.506
Then patterns cover at least 99% of the test FS size in the guest's memory 3.010 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.384
Then I find very few patterns in the guest's memory after 3 seconds 5.705 
Pattern coverage: 0.000% (0 MiB out of 1459 MiB reference memory)
After features/support/hooks.rb:339 0.745
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.903
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 6.525
And I prepare Tails for memory erasure tests 0.302
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.320
Then I find very few patterns in the guest's memory 2.720 
Pattern coverage: 0.000% (0 MiB out of 1459 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.596
Then patterns cover at least 75% of the test FS size in the guest's memory 3.152 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.714
Then I find very few patterns in the guest's memory after 3 seconds 5.688 
Pattern coverage: 0.000% (0 MiB out of 1459 MiB reference memory)
# read cache
When I mount the USB drive again 0.201
And I read the content of the test FS 0.562
Then patterns cover at least 99% of the test FS size in the guest's memory 2.879 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.353
Then I find very few patterns in the guest's memory after 3 seconds 5.885 
Pattern coverage: 0.000% (0 MiB out of 1459 MiB reference memory)
After features/support/hooks.rb:339 0.898
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:7.210
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 6.588
And I prepare Tails for memory erasure tests 0.304
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.842
Then I find very few patterns in the guest's memory 2.586 
Pattern coverage: 0.000% (0 MiB out of 1457 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.117
Then patterns cover at least 99% of the test FS size in the guest's memory 2.745 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.484
Then I find very few patterns in the guest's memory after 3 seconds 5.515 
Pattern coverage: 0.000% (0 MiB out of 1457 MiB reference memory)
# read cache
When I mount the USB drive again 4.450
And I read the content of the test FS 0.511
Then patterns cover at least 99% of the test FS size in the guest's memory 3.026 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.481
Then I find very few patterns in the guest's memory after 3 seconds 5.554 
Pattern coverage: 0.000% (0 MiB out of 1457 MiB reference memory)
After features/support/hooks.rb:339 1.081
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.065
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 6.275
And I prepare Tails for memory erasure tests 0.346
When I fill a 128 MiB file with a known pattern on the root filesystem 12.123
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.527
Then patterns cover at least 128 MiB in the guest's memory 2.104 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.010
Then I find very few patterns in the guest's memory after 20 seconds 20.678 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:339 3.484
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:40.393
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:9.145
And I prepare Tails for memory erasure tests 0.361
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.743
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 21.134 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
After features/support/hooks.rb:339 3.751
After features/support/hooks.rb:108 0.064