Project Number Date
test_Tails_ISO_stable 6035 05 Jan 2026, 12:24

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 15:51.726 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
53.073
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 8.675
And I prepare Tails for memory erasure tests 0.376
When I start a process allocating 128 MiB of memory with a known pattern 2.446
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 15.488 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.749
Then I find very few patterns in the guest's memory after 5 seconds 25.337 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:331 0.993
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.136
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.399
And I prepare Tails for memory erasure tests 0.497
And I find very few patterns in the guest's memory 13.998 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.677
Then patterns cover at least 99% of the test FS size in the guest's memory 14.419 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.465
Then I find very few patterns in the guest's memory after 3 seconds 17.678 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
After features/support/hooks.rb:331 1.845
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
3:38.365
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 11.217
And I prepare Tails for memory erasure tests 0.631
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.883
Then I find very few patterns in the guest's memory 33.971 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.356
Then patterns cover at least 75% of the test FS size in the guest's memory 42.783 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.960
Then I find very few patterns in the guest's memory after 3 seconds 43.927 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
# read cache
When I mount the USB drive again 0.239
And I read the content of the test FS 0.914
Then patterns cover at least 99% of the test FS size in the guest's memory 38.147 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.536
Then I find very few patterns in the guest's memory after 3 seconds 34.796 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
After features/support/hooks.rb:331 0.918
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:56.370
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 8.883
And I prepare Tails for memory erasure tests 0.428
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.761
Then I find very few patterns in the guest's memory 29.850 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.818
Then patterns cover at least 99% of the test FS size in the guest's memory 38.081 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.757
Then I find very few patterns in the guest's memory after 3 seconds 25.430 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
# read cache
When I mount the USB drive again 4.125
And I read the content of the test FS 0.569
Then patterns cover at least 99% of the test FS size in the guest's memory 12.425 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.595
Then I find very few patterns in the guest's memory after 3 seconds 16.642 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:331 1.090
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.951
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.446
And I prepare Tails for memory erasure tests 0.492
When I fill a 128 MiB file with a known pattern on the root filesystem 11.691
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.990
Then patterns cover at least 128 MiB in the guest's memory 10.355 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 22.958 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:331 3.827
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:29.828
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:56.110
And I prepare Tails for memory erasure tests 0.392
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.136
When I trigger shutdown 0.009
Then I find very few patterns in the guest's memory after 20 seconds 24.178 
Pattern coverage: 0.000% (0 MiB out of 1531 MiB reference memory)
After features/support/hooks.rb:331 3.801
After features/support/hooks.rb:100 0.013