Project Number Date
test_Tails_ISO_devel 4401 18 May 2026, 11:06

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 7:27.138 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
16.999
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.531
And I prepare Tails for memory erasure tests 0.347
When I start a process allocating 128 MiB of memory with a known pattern 1.182
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.008 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.174
Then I find very few patterns in the guest's memory after 5 seconds 6.754 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
After features/support/hooks.rb:335 0.730
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
17.457
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.002
Given I have started Tails from DVD without network and logged in 6.866
And I prepare Tails for memory erasure tests 0.387
And I find very few patterns in the guest's memory 1.776 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.528
Then patterns cover at least 99% of the test FS size in the guest's memory 1.888 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.294
Then I find very few patterns in the guest's memory after 3 seconds 4.715 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:335 0.786
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
31.977
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.570
And I prepare Tails for memory erasure tests 0.411
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.257
Then I find very few patterns in the guest's memory 1.815 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.566
Then patterns cover at least 75% of the test FS size in the guest's memory 2.022 
Pattern coverage: 100.000% (127 MiB out of 127 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 4.933 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# read cache
When I mount the USB drive again 0.145
And I read the content of the test FS 0.417
Then patterns cover at least 99% of the test FS size in the guest's memory 2.039 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.356
Then I find very few patterns in the guest's memory after 3 seconds 4.761 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:335 0.757
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
57.151
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.002
Given I have started Tails from DVD without network and logged in 6.543
And I prepare Tails for memory erasure tests 0.389
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.642
Then I find very few patterns in the guest's memory 1.717 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.380
Then patterns cover at least 99% of the test FS size in the guest's memory 1.860 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.543
Then I find very few patterns in the guest's memory after 3 seconds 4.612 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
# read cache
When I mount the USB drive again 3.771
And I read the content of the test FS 0.450
Then patterns cover at least 99% of the test FS size in the guest's memory 2.108 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.418
Then I find very few patterns in the guest's memory after 3 seconds 4.713 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:335 0.610
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
55.923
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.531
And I prepare Tails for memory erasure tests 0.350
When I fill a 128 MiB file with a known pattern on the root filesystem 24.993
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.018
Then patterns cover at least 128 MiB in the guest's memory 1.499 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.008
Then I find very few patterns in the guest's memory after 20 seconds 20.521 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:335 3.653
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
4:27.627
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:47.539
And I prepare Tails for memory erasure tests 0.364
When I fill a 128 MiB file with a known pattern on the persistent filesystem 18.765
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.952 
Pattern coverage: 0.000% (0 MiB out of 1538 MiB reference memory)
After features/support/hooks.rb:335 3.629
After features/support/hooks.rb:104 0.009