Project Number Date
test_Tails_ISO_devel 4218 08 Feb 2026, 11:43

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 7:16.808 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
19.481
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 7.039
And I prepare Tails for memory erasure tests 0.421
When I start a process allocating 128 MiB of memory with a known pattern 2.209
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.124 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.909
Then I find very few patterns in the guest's memory after 5 seconds 6.778 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
After features/support/hooks.rb:331 0.779
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
18.810
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 6.754
And I prepare Tails for memory erasure tests 0.404
And I find very few patterns in the guest's memory 1.862 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.109
Then patterns cover at least 99% of the test FS size in the guest's memory 2.012 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.720
Then I find very few patterns in the guest's memory after 3 seconds 4.947 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:331 0.997
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
33.612
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 6.933
And I prepare Tails for memory erasure tests 0.405
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.398
Then I find very few patterns in the guest's memory 1.791 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.772
Then patterns cover at least 75% of the test FS size in the guest's memory 2.359 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.124
Then I find very few patterns in the guest's memory after 3 seconds 4.890 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
# read cache
When I mount the USB drive again 0.168
And I read the content of the test FS 0.524
Then patterns cover at least 99% of the test FS size in the guest's memory 2.172 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.347
Then I find very few patterns in the guest's memory after 3 seconds 4.722 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
After features/support/hooks.rb:331 0.635
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
58.392
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 6.692
And I prepare Tails for memory erasure tests 0.525
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.730
Then I find very few patterns in the guest's memory 1.676 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 0.964
Then patterns cover at least 99% of the test FS size in the guest's memory 1.830 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.530
Then I find very few patterns in the guest's memory after 3 seconds 4.767 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
# read cache
When I mount the USB drive again 4.220
And I read the content of the test FS 0.373
Then patterns cover at least 99% of the test FS size in the guest's memory 2.012 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.461
Then I find very few patterns in the guest's memory after 3 seconds 4.604 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
After features/support/hooks.rb:331 0.879
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.073
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 6.727
And I prepare Tails for memory erasure tests 0.435
When I fill a 128 MiB file with a known pattern on the root filesystem 13.931
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.749
Then patterns cover at least 128 MiB in the guest's memory 1.607 
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 20.617 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
After features/support/hooks.rb:331 3.717
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:21.436
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.013
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:49.957
And I prepare Tails for memory erasure tests 0.287
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.215
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.971 
Pattern coverage: 0.000% (0 MiB out of 1523 MiB reference memory)
After features/support/hooks.rb:331 3.864
After features/support/hooks.rb:100 0.010