Project Number Date
test_Tails_ISO_stable 6577 13 Aug 2026, 13:40

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 7:53.069 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
31.778
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 18.073
And I prepare Tails for memory erasure tests 0.480
When I start a process allocating 128 MiB of memory with a known pattern 2.228
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.097 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.215
Then I find very few patterns in the guest's memory after 5 seconds 7.683 
Pattern coverage: 0.000% (0 MiB out of 1461 MiB reference memory)
After features/support/hooks.rb:339 1.029
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.460
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 6.391
And I prepare Tails for memory erasure tests 0.399
And I find very few patterns in the guest's memory 2.751 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.674
Then patterns cover at least 99% of the test FS size in the guest's memory 2.945 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.460
Then I find very few patterns in the guest's memory after 3 seconds 5.836 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
After features/support/hooks.rb:339 0.759
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.085
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 6.469
And I prepare Tails for memory erasure tests 0.369
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.405
Then I find very few patterns in the guest's memory 2.760 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.517
Then patterns cover at least 75% of the test FS size in the guest's memory 3.030 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.715
Then I find very few patterns in the guest's memory after 3 seconds 5.878 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
# read cache
When I mount the USB drive again 0.211
And I read the content of the test FS 0.644
Then patterns cover at least 99% of the test FS size in the guest's memory 2.966 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.438
Then I find very few patterns in the guest's memory after 3 seconds 5.678 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
After features/support/hooks.rb:339 0.630
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:5.368
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 6.373
And I prepare Tails for memory erasure tests 0.502
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.711
Then I find very few patterns in the guest's memory 2.611 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.188
Then patterns cover at least 99% of the test FS size in the guest's memory 3.003 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.513
Then I find very few patterns in the guest's memory after 3 seconds 5.691 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
# read cache
When I mount the USB drive again 4.369
And I read the content of the test FS 0.434
Then patterns cover at least 99% of the test FS size in the guest's memory 2.937 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.430
Then I find very few patterns in the guest's memory after 3 seconds 5.600 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
After features/support/hooks.rb:339 0.989
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
45.097
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.004
Given I have started Tails from DVD without network and logged in 6.895
And I prepare Tails for memory erasure tests 0.387
When I fill a 128 MiB file with a known pattern on the root filesystem 13.289
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.583
Then patterns cover at least 128 MiB in the guest's memory 2.185 
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 20.749 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
After features/support/hooks.rb:339 3.440
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:33.277
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 4:2.006
And I prepare Tails for memory erasure tests 0.263
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.921
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.079 
Pattern coverage: 0.000% (0 MiB out of 1516 MiB reference memory)
After features/support/hooks.rb:339 3.476
After features/support/hooks.rb:108 0.009