Project Number Date
test_Tails_ISO_stable 6038 05 Jan 2026, 20:49

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 12:28.170 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
45.876
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 8.507
And I prepare Tails for memory erasure tests 0.393
When I start a process allocating 128 MiB of memory with a known pattern 2.359
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 15.007 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.668
Then I find very few patterns in the guest's memory after 5 seconds 18.939 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
After features/support/hooks.rb:331 1.096
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
58.057
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 8.903
And I prepare Tails for memory erasure tests 0.599
And I find very few patterns in the guest's memory 13.720 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.919
Then patterns cover at least 99% of the test FS size in the guest's memory 15.053 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.442
Then I find very few patterns in the guest's memory after 3 seconds 17.420 
Pattern coverage: 0.000% (0 MiB out of 1489 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
1:40.807
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 8.610
And I prepare Tails for memory erasure tests 0.405
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.654
Then I find very few patterns in the guest's memory 14.298 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.851
Then patterns cover at least 75% of the test FS size in the guest's memory 16.580 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.967
Then I find very few patterns in the guest's memory after 3 seconds 17.102 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
# read cache
When I mount the USB drive again 0.227
And I read the content of the test FS 0.910
Then patterns cover at least 99% of the test FS size in the guest's memory 14.613 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.526
Then I find very few patterns in the guest's memory after 3 seconds 17.058 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
After features/support/hooks.rb:331 1.267
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:2.013
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 8.840
And I prepare Tails for memory erasure tests 0.543
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.162
Then I find very few patterns in the guest's memory 12.838 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.827
Then patterns cover at least 99% of the test FS size in the guest's memory 13.640 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.629
Then I find very few patterns in the guest's memory after 3 seconds 16.664 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
# read cache
When I mount the USB drive again 4.974
And I read the content of the test FS 0.554
Then patterns cover at least 99% of the test FS size in the guest's memory 14.897 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.669
Then I find very few patterns in the guest's memory after 3 seconds 15.771 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
After features/support/hooks.rb:331 1.578
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.595
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 8.561
And I prepare Tails for memory erasure tests 0.400
When I fill a 128 MiB file with a known pattern on the root filesystem 10.058
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.813
Then patterns cover at least 128 MiB in the guest's memory 9.803 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 22.946 
Pattern coverage: 0.000% (0 MiB out of 1502 MiB reference memory)
After features/support/hooks.rb:331 3.903
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:5.819
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:32.157
And I prepare Tails for memory erasure tests 0.374
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.474
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 23.801 
Pattern coverage: 0.000% (0 MiB out of 1527 MiB reference memory)
After features/support/hooks.rb:331 3.853
After features/support/hooks.rb:100 0.015