Project Number Date
test_Tails_ISO_devel 4144 31 Dec 2025, 13:27

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 12:52.815 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
46.084
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 8.350
And I prepare Tails for memory erasure tests 0.469
When I start a process allocating 128 MiB of memory with a known pattern 2.233
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 14.865 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 1.009
Then I find very few patterns in the guest's memory after 5 seconds 19.155 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:331 0.905
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
59.101
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 8.816
And I prepare Tails for memory erasure tests 0.431
And I find very few patterns in the guest's memory 14.931 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.947
Then patterns cover at least 99% of the test FS size in the guest's memory 15.420 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.407
Then I find very few patterns in the guest's memory after 3 seconds 17.147 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:331 1.055
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:47.540
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 8.522
And I prepare Tails for memory erasure tests 0.461
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.629
Then I find very few patterns in the guest's memory 14.757 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.768
Then patterns cover at least 75% of the test FS size in the guest's memory 17.344 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.949
Then I find very few patterns in the guest's memory after 3 seconds 17.751 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
# read cache
When I mount the USB drive again 0.265
And I read the content of the test FS 0.829
Then patterns cover at least 99% of the test FS size in the guest's memory 16.040 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.603
Then I find very few patterns in the guest's memory after 3 seconds 20.615 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:331 1.154
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:3.120
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 8.567
And I prepare Tails for memory erasure tests 0.362
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.039
Then I find very few patterns in the guest's memory 12.807 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.245
Then patterns cover at least 99% of the test FS size in the guest's memory 13.988 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.647
Then I find very few patterns in the guest's memory after 3 seconds 15.902 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
# read cache
When I mount the USB drive again 4.462
And I read the content of the test FS 0.581
Then patterns cover at least 99% of the test FS size in the guest's memory 13.853 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.680
Then I find very few patterns in the guest's memory after 3 seconds 17.981 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:331 1.220
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
55.910
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.007
Given I have started Tails from DVD without network and logged in 8.467
And I prepare Tails for memory erasure tests 0.418
When I fill a 128 MiB file with a known pattern on the root filesystem 11.068
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.366
Then patterns cover at least 128 MiB in the guest's memory 10.741 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.023
Then I find very few patterns in the guest's memory after 20 seconds 22.823 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:331 3.869
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:21.058
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 5:47.799
And I prepare Tails for memory erasure tests 0.422
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.018
When I trigger shutdown 0.009
Then I find very few patterns in the guest's memory after 20 seconds 23.808 
Pattern coverage: 0.000% (0 MiB out of 1538 MiB reference memory)
After features/support/hooks.rb:331 3.686
After features/support/hooks.rb:100 0.016