Project Number Date
test_Tails_ISO_disclose-security-issues-post-release 2 27 May 2026, 18:38

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 7:27.204 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
17.537
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 6.573
And I prepare Tails for memory erasure tests 0.306
When I start a process allocating 128 MiB of memory with a known pattern 1.158
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.201 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.164
Then I find very few patterns in the guest's memory after 5 seconds 7.133 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:335 0.670
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
17.293
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 6.481
And I prepare Tails for memory erasure tests 0.294
And I find very few patterns in the guest's memory 1.758 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.494
Then patterns cover at least 99% of the test FS size in the guest's memory 2.098 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.328
Then I find very few patterns in the guest's memory after 3 seconds 4.837 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:335 0.924
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
32.108
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 6.601
And I prepare Tails for memory erasure tests 0.303
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.119
Then I find very few patterns in the guest's memory 1.816 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.440
Then patterns cover at least 75% of the test FS size in the guest's memory 2.267 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.688
Then I find very few patterns in the guest's memory after 3 seconds 4.884 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
# read cache
When I mount the USB drive again 0.232
And I read the content of the test FS 0.392
Then patterns cover at least 99% of the test FS size in the guest's memory 2.125 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.370
Then I find very few patterns in the guest's memory after 3 seconds 4.866 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:335 0.636
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
55.600
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 6.551
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" 27.614
Then I find very few patterns in the guest's memory 1.646 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.362
Then patterns cover at least 99% of the test FS size in the guest's memory 1.751 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.465
Then I find very few patterns in the guest's memory after 3 seconds 4.638 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
# read cache
When I mount the USB drive again 4.089
And I read the content of the test FS 0.316
Then patterns cover at least 99% of the test FS size in the guest's memory 1.732 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.409
Then I find very few patterns in the guest's memory after 3 seconds 4.674 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:335 0.760
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
54.852
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 6.383
And I prepare Tails for memory erasure tests 0.333
When I fill a 128 MiB file with a known pattern on the root filesystem 24.239
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.851
Then patterns cover at least 128 MiB in the guest's memory 1.507 
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 20.528 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:335 3.740
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
4:29.811
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:52.073
And I prepare Tails for memory erasure tests 0.338
When I fill a 128 MiB file with a known pattern on the persistent filesystem 16.511
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.881 
Pattern coverage: 0.000% (0 MiB out of 1498 MiB reference memory)
After features/support/hooks.rb:335 3.447
After features/support/hooks.rb:104 0.008