Project Number Date
test_Tails_ISO_devel 4302 29 Mar 2026, 11:41

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 7:48.766 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
18.688
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 6.879
And I prepare Tails for memory erasure tests 0.386
When I start a process allocating 128 MiB of memory with a known pattern 1.193
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.169 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 1.130
Then I find very few patterns in the guest's memory after 5 seconds 6.929 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
After features/support/hooks.rb:331 0.729
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
18.359
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 6.893
And I prepare Tails for memory erasure tests 0.471
And I find very few patterns in the guest's memory 1.814 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.605
Then patterns cover at least 99% of the test FS size in the guest's memory 2.088 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.576
Then I find very few patterns in the guest's memory after 3 seconds 4.908 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
After features/support/hooks.rb:331 1.008
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
33.161
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 6.977
And I prepare Tails for memory erasure tests 0.366
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.406
Then I find very few patterns in the guest's memory 2.121 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.328
Then patterns cover at least 75% of the test FS size in the guest's memory 2.330 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.974
Then I find very few patterns in the guest's memory after 3 seconds 4.860 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
# read cache
When I mount the USB drive again 0.181
And I read the content of the test FS 0.449
Then patterns cover at least 99% of the test FS size in the guest's memory 1.921 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.396
Then I find very few patterns in the guest's memory after 3 seconds 4.844 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
After features/support/hooks.rb:331 0.621
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.007
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 7.110
And I prepare Tails for memory erasure tests 0.354
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.909
Then I find very few patterns in the guest's memory 1.829 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.964
Then patterns cover at least 99% of the test FS size in the guest's memory 2.134 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.839
Then I find very few patterns in the guest's memory after 3 seconds 4.723 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
# read cache
When I mount the USB drive again 14.692
And I read the content of the test FS 0.325
Then patterns cover at least 99% of the test FS size in the guest's memory 1.837 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.689
Then I find very few patterns in the guest's memory after 3 seconds 4.597 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:331 1.218
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.670
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 6.951
And I prepare Tails for memory erasure tests 0.508
When I fill a 128 MiB file with a known pattern on the root filesystem 12.305
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.493
Then patterns cover at least 128 MiB in the guest's memory 1.767 
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 20.639 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:331 3.741
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:36.879
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 4:4.428
And I prepare Tails for memory erasure tests 0.311
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.196
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 20.935 
Pattern coverage: 0.000% (0 MiB out of 1523 MiB reference memory)
After features/support/hooks.rb:331 3.881
After features/support/hooks.rb:100 0.013