Project Number Date
test_Tails_ISO_21565-flatpak-safe 78 07 Oct 2026, 18:33

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 7:26.019 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
21.267
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 6.176
And I prepare Tails for memory erasure tests 0.305
When I start a process allocating 128 MiB of memory with a known pattern 2.214
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.916 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.224
Then I find very few patterns in the guest's memory after 5 seconds 9.429 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
After features/support/hooks.rb:339 0.916
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
29.478
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 6.408
And I prepare Tails for memory erasure tests 0.338
And I find very few patterns in the guest's memory 5.774 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.584
Then patterns cover at least 99% of the test FS size in the guest's memory 6.129 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.376
Then I find very few patterns in the guest's memory after 3 seconds 8.867 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
After features/support/hooks.rb:339 0.755
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
41.520
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 6.280
And I prepare Tails for memory erasure tests 0.328
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.161
Then I find very few patterns in the guest's memory 4.126 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.605
Then patterns cover at least 75% of the test FS size in the guest's memory 4.417 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.746
Then I find very few patterns in the guest's memory after 3 seconds 6.477 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
# read cache
When I mount the USB drive again 0.188
And I read the content of the test FS 0.638
Then patterns cover at least 99% of the test FS size in the guest's memory 3.744 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.414
Then I find very few patterns in the guest's memory after 3 seconds 6.391 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
After features/support/hooks.rb:339 0.774
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:0.574
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 6.253
And I prepare Tails for memory erasure tests 0.331
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.127
Then I find very few patterns in the guest's memory 2.736 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.226
Then patterns cover at least 99% of the test FS size in the guest's memory 2.843 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.489
Then I find very few patterns in the guest's memory after 3 seconds 5.731 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
# read cache
When I mount the USB drive again 3.813
And I read the content of the test FS 0.305
Then patterns cover at least 99% of the test FS size in the guest's memory 2.804 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.362
Then I find very few patterns in the guest's memory after 3 seconds 5.548 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
After features/support/hooks.rb:339 0.654
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.180
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 6.210
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 12.364
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.460
Then patterns cover at least 128 MiB in the guest's memory 2.066 
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 20.726 
Pattern coverage: 0.000% (0 MiB out of 1412 MiB reference memory)
After features/support/hooks.rb:339 3.355
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:9.997
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 3:38.437
And I prepare Tails for memory erasure tests 0.300
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.185
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.070 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
After features/support/hooks.rb:339 3.688
After features/support/hooks.rb:108 0.024