Project Number Date
test_Tails_ISO_21565-flatpak-safe 126 05 Nov 2026, 12:34

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 7:30.791 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
19.676
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 6.244
And I prepare Tails for memory erasure tests 0.305
When I start a process allocating 128 MiB of memory with a known pattern 2.182
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.976 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.228
Then I find very few patterns in the guest's memory after 5 seconds 7.739 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
After features/support/hooks.rb:339 1.045
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.407
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 6.191
And I prepare Tails for memory erasure tests 0.321
And I find very few patterns in the guest's memory 2.623 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.732
Then patterns cover at least 99% of the test FS size in the guest's memory 3.274 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.540
Then I find very few patterns in the guest's memory after 3 seconds 5.723 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
After features/support/hooks.rb:339 0.805
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.403
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 6.425
And I prepare Tails for memory erasure tests 0.303
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.217
Then I find very few patterns in the guest's memory 2.751 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.898
Then patterns cover at least 75% of the test FS size in the guest's memory 3.112 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.887
Then I find very few patterns in the guest's memory after 3 seconds 5.658 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
# read cache
When I mount the USB drive again 0.137
And I read the content of the test FS 0.607
Then patterns cover at least 99% of the test FS size in the guest's memory 2.990 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.585
Then I find very few patterns in the guest's memory after 3 seconds 5.827 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
After features/support/hooks.rb:339 0.839
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:13.584
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 18.167
And I prepare Tails for memory erasure tests 0.335
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.856
Then I find very few patterns in the guest's memory 2.679 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.134
Then patterns cover at least 99% of the test FS size in the guest's memory 3.212 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.522
Then I find very few patterns in the guest's memory after 3 seconds 5.826 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
# read cache
When I mount the USB drive again 3.875
And I read the content of the test FS 0.291
Then patterns cover at least 99% of the test FS size in the guest's memory 2.621 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.407
Then I find very few patterns in the guest's memory after 3 seconds 5.653 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
After features/support/hooks.rb:339 0.880
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.887
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 6.510
And I prepare Tails for memory erasure tests 0.388
When I fill a 128 MiB file with a known pattern on the root filesystem 13.464
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.612
Then patterns cover at least 128 MiB in the guest's memory 2.146 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.760 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
After features/support/hooks.rb:339 3.694
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:14.831
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:43.949
And I prepare Tails for memory erasure tests 0.252
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.467
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.156 
Pattern coverage: 0.000% (0 MiB out of 1424 MiB reference memory)
After features/support/hooks.rb:339 3.864
After features/support/hooks.rb:108 0.035