Project Number Date
test_Tails_ISO_devel 4594 03 Sep 2026, 20:20

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 7:32.162 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
19.615
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 6.314
And I prepare Tails for memory erasure tests 0.326
When I start a process allocating 128 MiB of memory with a known pattern 2.208
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.909 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.204
Then I find very few patterns in the guest's memory after 5 seconds 7.652 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:339 0.596
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.890
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 6.382
And I prepare Tails for memory erasure tests 0.311
And I find very few patterns in the guest's memory 2.671 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.364
Then patterns cover at least 99% of the test FS size in the guest's memory 2.957 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.375
Then I find very few patterns in the guest's memory after 3 seconds 5.827 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:339 0.926
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.765
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.005
Given I have started Tails from DVD without network and logged in 6.481
And I prepare Tails for memory erasure tests 0.377
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.253
Then I find very few patterns in the guest's memory 2.661 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.947
Then patterns cover at least 75% of the test FS size in the guest's memory 2.889 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.798
Then I find very few patterns in the guest's memory after 3 seconds 5.641 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
# read cache
When I mount the USB drive again 0.218
And I read the content of the test FS 0.628
Then patterns cover at least 99% of the test FS size in the guest's memory 2.828 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.389
Then I find very few patterns in the guest's memory after 3 seconds 5.648 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:339 1.199
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:4.411
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 6.503
And I prepare Tails for memory erasure tests 0.308
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.372
Then I find very few patterns in the guest's memory 2.706 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.130
Then patterns cover at least 99% of the test FS size in the guest's memory 2.840 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.516
Then I find very few patterns in the guest's memory after 3 seconds 5.608 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# read cache
When I mount the USB drive again 4.324
And I read the content of the test FS 0.386
Then patterns cover at least 99% of the test FS size in the guest's memory 2.714 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.461
Then I find very few patterns in the guest's memory after 3 seconds 5.537 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:339 0.889
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.772
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 6.421
And I prepare Tails for memory erasure tests 0.320
When I fill a 128 MiB file with a known pattern on the root filesystem 13.214
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.650
Then patterns cover at least 128 MiB in the guest's memory 2.345 
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 20.814 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:339 3.790
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:26.707
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 3:55.168
And I prepare Tails for memory erasure tests 0.249
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.272
When I trigger shutdown 0.008
Then I find very few patterns in the guest's memory after 20 seconds 21.008 
Pattern coverage: 0.000% (0 MiB out of 1504 MiB reference memory)
After features/support/hooks.rb:339 3.436
After features/support/hooks.rb:108 0.010