Project Number Date
test_Tails_ISO_devel 4652 01 Oct 2026, 17:31

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 7:37.696 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
21.063
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.522
And I prepare Tails for memory erasure tests 0.650
When I start a process allocating 128 MiB of memory with a known pattern 2.199
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.096 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.784
Then I find very few patterns in the guest's memory after 5 seconds 7.811 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
After features/support/hooks.rb:339 0.678
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.917
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 6.781
And I prepare Tails for memory erasure tests 0.364
And I find very few patterns in the guest's memory 2.950 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.593
Then patterns cover at least 99% of the test FS size in the guest's memory 3.024 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.398
Then I find very few patterns in the guest's memory after 3 seconds 5.804 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
After features/support/hooks.rb:339 0.817
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.899
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 6.435
And I prepare Tails for memory erasure tests 0.343
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.513
Then I find very few patterns in the guest's memory 3.004 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.711
Then patterns cover at least 75% of the test FS size in the guest's memory 3.149 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.716
Then I find very few patterns in the guest's memory after 3 seconds 5.990 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
# read cache
When I mount the USB drive again 0.245
And I read the content of the test FS 0.655
Then patterns cover at least 99% of the test FS size in the guest's memory 2.910 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.448
Then I find very few patterns in the guest's memory after 3 seconds 5.774 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
After features/support/hooks.rb:339 0.854
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:1.443
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 6.366
And I prepare Tails for memory erasure tests 0.346
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.679
Then I find very few patterns in the guest's memory 2.592 
Pattern coverage: 0.000% (0 MiB out of 1411 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.240
Then patterns cover at least 99% of the test FS size in the guest's memory 2.918 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.532
Then I find very few patterns in the guest's memory after 3 seconds 5.792 
Pattern coverage: 0.000% (0 MiB out of 1411 MiB reference memory)
# read cache
When I mount the USB drive again 3.734
And I read the content of the test FS 0.363
Then patterns cover at least 99% of the test FS size in the guest's memory 2.674 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.442
Then I find very few patterns in the guest's memory after 3 seconds 5.759 
Pattern coverage: 0.000% (0 MiB out of 1411 MiB reference memory)
After features/support/hooks.rb:339 0.890
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
45.249
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.414
And I prepare Tails for memory erasure tests 0.383
When I fill a 128 MiB file with a known pattern on the root filesystem 13.110
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.633
Then patterns cover at least 128 MiB in the guest's memory 2.849 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.853 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
After features/support/hooks.rb:339 3.808
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:31.122
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:59.135
And I prepare Tails for memory erasure tests 0.359
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.296
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.324 
Pattern coverage: 0.000% (0 MiB out of 1429 MiB reference memory)
After features/support/hooks.rb:339 3.577
After features/support/hooks.rb:108 0.009