Project Number Date
test_Tails_ISO_devel 4637 26 Sep 2026, 11:27

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 7:16.797 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
20.581
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.369
And I prepare Tails for memory erasure tests 0.298
When I start a process allocating 128 MiB of memory with a known pattern 2.160
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.956 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.726
Then I find very few patterns in the guest's memory after 5 seconds 8.070 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
After features/support/hooks.rb:339 0.646
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.296
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.160
And I prepare Tails for memory erasure tests 0.479
And I find very few patterns in the guest's memory 2.707 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.386
Then patterns cover at least 99% of the test FS size in the guest's memory 3.008 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.364
Then I find very few patterns in the guest's memory after 3 seconds 6.189 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
After features/support/hooks.rb:339 0.960
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.623
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.434
And I prepare Tails for memory erasure tests 0.294
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.241
Then I find very few patterns in the guest's memory 2.900 
Pattern coverage: 0.000% (0 MiB out of 1415 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.404
Then patterns cover at least 75% of the test FS size in the guest's memory 3.073 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.587
Then I find very few patterns in the guest's memory after 3 seconds 6.032 
Pattern coverage: 0.000% (0 MiB out of 1415 MiB reference memory)
# read cache
When I mount the USB drive again 0.206
And I read the content of the test FS 0.520
Then patterns cover at least 99% of the test FS size in the guest's memory 2.927 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.341
Then I find very few patterns in the guest's memory after 3 seconds 5.658 
Pattern coverage: 0.000% (0 MiB out of 1415 MiB reference memory)
After features/support/hooks.rb:339 0.721
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:2.062
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.347
And I prepare Tails for memory erasure tests 0.294
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.009
Then I find very few patterns in the guest's memory 2.486 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.373
Then patterns cover at least 99% of the test FS size in the guest's memory 3.054 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.471
Then I find very few patterns in the guest's memory after 3 seconds 5.560 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
# read cache
When I mount the USB drive again 3.084
And I read the content of the test FS 0.306
Then patterns cover at least 99% of the test FS size in the guest's memory 2.750 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.372
Then I find very few patterns in the guest's memory after 3 seconds 5.952 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
After features/support/hooks.rb:339 0.719
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.712
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.255
And I prepare Tails for memory erasure tests 0.314
When I fill a 128 MiB file with a known pattern on the root filesystem 12.447
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.613
Then patterns cover at least 128 MiB in the guest's memory 2.270 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 20.802 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
After features/support/hooks.rb:339 3.877
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:13.521
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:41.383
And I prepare Tails for memory erasure tests 0.269
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.734
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.129 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
After features/support/hooks.rb:339 3.701
After features/support/hooks.rb:108 0.011