Project Number Date
test_Tails_ISO_devel 4288 22 Mar 2026, 11:27

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 7:37.829 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
18.681
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 6.683
And I prepare Tails for memory erasure tests 0.398
When I start a process allocating 128 MiB of memory with a known pattern 2.280
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.147 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.325
Then I find very few patterns in the guest's memory after 5 seconds 6.845 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:331 0.751
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
17.988
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 6.645
And I prepare Tails for memory erasure tests 0.402
And I find very few patterns in the guest's memory 1.850 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.730
Then patterns cover at least 99% of the test FS size in the guest's memory 2.143 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.363
Then I find very few patterns in the guest's memory after 3 seconds 4.852 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
After features/support/hooks.rb:331 0.944
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
32.357
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 6.771
And I prepare Tails for memory erasure tests 0.403
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.519
Then I find very few patterns in the guest's memory 1.944 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.298
Then patterns cover at least 75% of the test FS size in the guest's memory 2.025 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.910
Then I find very few patterns in the guest's memory after 3 seconds 4.678 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
# read cache
When I mount the USB drive again 0.192
And I read the content of the test FS 0.430
Then patterns cover at least 99% of the test FS size in the guest's memory 1.907 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.469
Then I find very few patterns in the guest's memory after 3 seconds 4.806 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
After features/support/hooks.rb:331 1.054
After features/support/hooks.rb:100 0.004
Tags: @product @slow @not_release_blocker
1:18.684
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 6.666
And I prepare Tails for memory erasure tests 0.343
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.901
Then I find very few patterns in the guest's memory 1.853 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.596
Then patterns cover at least 99% of the test FS size in the guest's memory 1.826 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.677
Then I find very few patterns in the guest's memory after 3 seconds 4.672 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
# read cache
When I mount the USB drive again 16.492
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 1.888 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.611
Then I find very few patterns in the guest's memory after 3 seconds 4.813 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:331 0.814
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.131
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 6.841
And I prepare Tails for memory erasure tests 0.392
When I fill a 128 MiB file with a known pattern on the root filesystem 12.916
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.918
Then patterns cover at least 128 MiB in the guest's memory 1.531 
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 20.524 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:331 3.448
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:25.984
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:53.290
And I prepare Tails for memory erasure tests 0.335
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.421
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.931 
Pattern coverage: 0.000% (0 MiB out of 1514 MiB reference memory)
After features/support/hooks.rb:331 3.786
After features/support/hooks.rb:100 0.011