Project Number Date
test_Tails_ISO_devel 4152 05 Jan 2026, 20:28

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 7:22.774 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
18.241
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.726
And I prepare Tails for memory erasure tests 0.366
When I start a process allocating 128 MiB of memory with a known pattern 1.196
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.333 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.646
Then I find very few patterns in the guest's memory after 5 seconds 6.971 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:331 1.015
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
18.366
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 6.631
And I prepare Tails for memory erasure tests 0.379
And I find very few patterns in the guest's memory 2.345 
Pattern coverage: 0.000% (0 MiB out of 1461 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.646
Then patterns cover at least 99% of the test FS size in the guest's memory 2.133 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.370
Then I find very few patterns in the guest's memory after 3 seconds 4.859 
Pattern coverage: 0.000% (0 MiB out of 1461 MiB reference memory)
After features/support/hooks.rb:331 0.883
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
33.409
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 6.704
And I prepare Tails for memory erasure tests 0.442
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.586
Then I find very few patterns in the guest's memory 2.180 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.230
Then patterns cover at least 75% of the test FS size in the guest's memory 2.175 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.870
Then I find very few patterns in the guest's memory after 3 seconds 4.822 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# read cache
When I mount the USB drive again 0.195
And I read the content of the test FS 0.532
Then patterns cover at least 99% of the test FS size in the guest's memory 2.126 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.421
Then I find very few patterns in the guest's memory after 3 seconds 5.120 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:331 0.917
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
59.537
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.155
And I prepare Tails for memory erasure tests 0.382
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.853
Then I find very few patterns in the guest's memory 2.194 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.112
Then patterns cover at least 99% of the test FS size in the guest's memory 1.969 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.568
Then I find very few patterns in the guest's memory after 3 seconds 4.753 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
# read cache
When I mount the USB drive again 4.102
And I read the content of the test FS 0.340
Then patterns cover at least 99% of the test FS size in the guest's memory 1.739 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.450
Then I find very few patterns in the guest's memory after 3 seconds 4.914 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
After features/support/hooks.rb:331 0.826
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.057
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.832
And I prepare Tails for memory erasure tests 0.409
When I fill a 128 MiB file with a known pattern on the root filesystem 13.297
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.185
Then patterns cover at least 128 MiB in the guest's memory 1.789 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 20.535 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
After features/support/hooks.rb:331 3.515
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:28.163
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:54.950
And I prepare Tails for memory erasure tests 0.414
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.596
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 21.194 
Pattern coverage: 0.000% (0 MiB out of 1525 MiB reference memory)
After features/support/hooks.rb:331 3.623
After features/support/hooks.rb:100 0.035