Project Number Date
test_Tails_ISO_devel 4636 25 Sep 2026, 12:15

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 7:20.627 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
19.250
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 6.227
And I prepare Tails for memory erasure tests 0.329
When I start a process allocating 128 MiB of memory with a known pattern 2.211
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.854 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.195
Then I find very few patterns in the guest's memory after 5 seconds 7.431 
Pattern coverage: 0.000% (0 MiB out of 1391 MiB reference memory)
After features/support/hooks.rb:339 0.939
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.769
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 6.262
And I prepare Tails for memory erasure tests 0.274
And I find very few patterns in the guest's memory 2.675 
Pattern coverage: 0.000% (0 MiB out of 1389 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.489
Then patterns cover at least 99% of the test FS size in the guest's memory 3.801 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.452
Then I find very few patterns in the guest's memory after 3 seconds 5.812 
Pattern coverage: 0.000% (0 MiB out of 1389 MiB reference memory)
After features/support/hooks.rb:339 0.922
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.844
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 6.196
And I prepare Tails for memory erasure tests 0.353
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.268
Then I find very few patterns in the guest's memory 2.747 
Pattern coverage: 0.000% (0 MiB out of 1395 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.618
Then patterns cover at least 75% of the test FS size in the guest's memory 3.100 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.658
Then I find very few patterns in the guest's memory after 3 seconds 5.624 
Pattern coverage: 0.000% (0 MiB out of 1395 MiB reference memory)
# read cache
When I mount the USB drive again 0.227
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 3.219 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.469
Then I find very few patterns in the guest's memory after 3 seconds 5.805 
Pattern coverage: 0.000% (0 MiB out of 1395 MiB reference memory)
After features/support/hooks.rb:339 0.880
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:1.486
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 6.322
And I prepare Tails for memory erasure tests 0.341
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.288
Then I find very few patterns in the guest's memory 2.595 
Pattern coverage: 0.000% (0 MiB out of 1423 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.146
Then patterns cover at least 99% of the test FS size in the guest's memory 2.669 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.530
Then I find very few patterns in the guest's memory after 3 seconds 5.486 
Pattern coverage: 0.000% (0 MiB out of 1423 MiB reference memory)
# read cache
When I mount the USB drive again 4.120
And I read the content of the test FS 0.348
Then patterns cover at least 99% of the test FS size in the guest's memory 3.849 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.424
Then I find very few patterns in the guest's memory after 3 seconds 5.362 
Pattern coverage: 0.000% (0 MiB out of 1423 MiB reference memory)
After features/support/hooks.rb:339 0.756
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.985
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 6.159
And I prepare Tails for memory erasure tests 0.306
When I fill a 128 MiB file with a known pattern on the root filesystem 12.957
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.724
Then patterns cover at least 128 MiB in the guest's memory 2.108 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.722 
Pattern coverage: 0.000% (0 MiB out of 1391 MiB reference memory)
After features/support/hooks.rb:339 3.541
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:18.292
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 3:47.385
And I prepare Tails for memory erasure tests 0.276
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.518
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.107 
Pattern coverage: 0.000% (0 MiB out of 1442 MiB reference memory)
After features/support/hooks.rb:339 3.390
After features/support/hooks.rb:108 0.009