Project Number Date
test_Tails_ISO_devel 4046 31 Oct 2025, 13:50

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 11:54.040 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
37.635
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 8.842
And I prepare Tails for memory erasure tests 0.427
When I start a process allocating 128 MiB of memory with a known pattern 2.298
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 10.099 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.324
Then I find very few patterns in the guest's memory after 5 seconds 15.643 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
After features/support/hooks.rb:331 0.888
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.361
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 8.829
And I prepare Tails for memory erasure tests 0.443
And I find very few patterns in the guest's memory 9.818 
Pattern coverage: 0.000% (0 MiB out of 1509 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.134
Then patterns cover at least 99% of the test FS size in the guest's memory 10.054 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.500
Then I find very few patterns in the guest's memory after 3 seconds 12.579 
Pattern coverage: 0.000% (0 MiB out of 1509 MiB reference memory)
After features/support/hooks.rb:331 1.303
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.492
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 8.452
And I prepare Tails for memory erasure tests 0.440
When I plug and mount a 128 MiB USB drive with a vfat filesystem 8.865
Then I find very few patterns in the guest's memory 9.537 
Pattern coverage: 0.000% (0 MiB out of 1511 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.318
Then patterns cover at least 75% of the test FS size in the guest's memory 10.957 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.962
Then I find very few patterns in the guest's memory after 3 seconds 11.622 
Pattern coverage: 0.000% (0 MiB out of 1511 MiB reference memory)
# read cache
When I mount the USB drive again 0.225
And I read the content of the test FS 0.780
Then patterns cover at least 99% of the test FS size in the guest's memory 10.093 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.544
Then I find very few patterns in the guest's memory after 3 seconds 12.693 
Pattern coverage: 0.000% (0 MiB out of 1511 MiB reference memory)
After features/support/hooks.rb:331 1.036
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
1:43.514
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 8.657
And I prepare Tails for memory erasure tests 0.450
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.946
Then I find very few patterns in the guest's memory 9.493 
Pattern coverage: 0.000% (0 MiB out of 1510 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.942
Then patterns cover at least 99% of the test FS size in the guest's memory 9.434 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.790
Then I find very few patterns in the guest's memory after 3 seconds 11.695 
Pattern coverage: 0.000% (0 MiB out of 1510 MiB reference memory)
# read cache
When I mount the USB drive again 5.521
And I read the content of the test FS 0.431
Then patterns cover at least 99% of the test FS size in the guest's memory 9.576 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.978
Then I find very few patterns in the guest's memory after 3 seconds 11.595 
Pattern coverage: 0.000% (0 MiB out of 1510 MiB reference memory)
After features/support/hooks.rb:331 0.934
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.072
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 9.206
And I prepare Tails for memory erasure tests 0.499
When I fill a 128 MiB file with a known pattern on the root filesystem 11.178
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.157
Then patterns cover at least 128 MiB in the guest's memory 6.963 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 22.054 
Pattern coverage: 0.000% (0 MiB out of 1508 MiB reference memory)
After features/support/hooks.rb:331 3.658
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:36.963
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:4.761
And I prepare Tails for memory erasure tests 0.455
When I fill a 128 MiB file with a known pattern on the persistent filesystem 8.920
When I trigger shutdown 0.010
Then I find very few patterns in the guest's memory after 20 seconds 22.815 
Pattern coverage: 0.000% (0 MiB out of 1535 MiB reference memory)
After features/support/hooks.rb:331 3.657
After features/support/hooks.rb:100 0.017