Project Number Date
test_Tails_ISO_21565-flatpak-safe 47 23 Sep 2026, 16:09

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 8:3.709 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
20.142
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 6.434
And I prepare Tails for memory erasure tests 0.319
When I start a process allocating 128 MiB of memory with a known pattern 2.220
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.197 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.241
Then I find very few patterns in the guest's memory after 5 seconds 7.729 
Pattern coverage: 0.000% (0 MiB out of 1419 MiB reference memory)
After features/support/hooks.rb:339 0.643
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
21.177
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 6.479
And I prepare Tails for memory erasure tests 0.368
And I find very few patterns in the guest's memory 3.055 
Pattern coverage: 0.000% (0 MiB out of 1421 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.676
Then patterns cover at least 99% of the test FS size in the guest's memory 3.069 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.302
Then I find very few patterns in the guest's memory after 3 seconds 6.225 
Pattern coverage: 0.000% (0 MiB out of 1421 MiB reference memory)
After features/support/hooks.rb:339 0.579
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
38.344
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.007
Given I have started Tails from DVD without network and logged in 6.659
And I prepare Tails for memory erasure tests 0.403
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.644
Then I find very few patterns in the guest's memory 2.949 
Pattern coverage: 0.000% (0 MiB out of 1421 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.428
Then patterns cover at least 75% of the test FS size in the guest's memory 3.177 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.767
Then I find very few patterns in the guest's memory after 3 seconds 5.996 
Pattern coverage: 0.000% (0 MiB out of 1421 MiB reference memory)
# read cache
When I mount the USB drive again 0.209
And I read the content of the test FS 0.613
Then patterns cover at least 99% of the test FS size in the guest's memory 3.284 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.426
Then I find very few patterns in the guest's memory after 3 seconds 5.782 
Pattern coverage: 0.000% (0 MiB out of 1421 MiB reference memory)
After features/support/hooks.rb:339 0.867
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:6.342
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 6.458
And I prepare Tails for memory erasure tests 0.497
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.852
Then I find very few patterns in the guest's memory 2.988 
Pattern coverage: 0.000% (0 MiB out of 1423 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.361
Then patterns cover at least 99% of the test FS size in the guest's memory 3.386 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.569
Then I find very few patterns in the guest's memory after 3 seconds 5.811 
Pattern coverage: 0.000% (0 MiB out of 1423 MiB reference memory)
# read cache
When I mount the USB drive again 4.093
And I read the content of the test FS 0.367
Then patterns cover at least 99% of the test FS size in the guest's memory 2.811 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.468
Then I find very few patterns in the guest's memory after 3 seconds 5.673 
Pattern coverage: 0.000% (0 MiB out of 1423 MiB reference memory)
After features/support/hooks.rb:339 1.048
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
45.535
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 6.555
And I prepare Tails for memory erasure tests 0.319
When I fill a 128 MiB file with a known pattern on the root filesystem 12.357
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.001
Then patterns cover at least 128 MiB in the guest's memory 2.778 
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 21.518 
Pattern coverage: 0.000% (0 MiB out of 1422 MiB reference memory)
After features/support/hooks.rb:339 3.501
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:52.166
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 4:19.158
And I prepare Tails for memory erasure tests 0.328
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.964
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.710 
Pattern coverage: 0.000% (0 MiB out of 1438 MiB reference memory)
After features/support/hooks.rb:339 3.660
After features/support/hooks.rb:108 0.010