Project Number Date
test_Tails_ISO_stable 6587 18 Aug 2026, 07:26

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 7:21.817 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
19.429
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 6.237
And I prepare Tails for memory erasure tests 0.339
When I start a process allocating 128 MiB of memory with a known pattern 2.182
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.842 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.178
Then I find very few patterns in the guest's memory after 5 seconds 7.649 
Pattern coverage: 0.000% (0 MiB out of 1457 MiB reference memory)
After features/support/hooks.rb:339 0.767
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.565
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 6.307
And I prepare Tails for memory erasure tests 0.274
And I find very few patterns in the guest's memory 2.700 
Pattern coverage: 0.000% (0 MiB out of 1455 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.408
Then patterns cover at least 99% of the test FS size in the guest's memory 2.856 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.401
Then I find very few patterns in the guest's memory after 3 seconds 5.616 
Pattern coverage: 0.000% (0 MiB out of 1455 MiB reference memory)
After features/support/hooks.rb:339 0.658
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.461
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 6.258
And I prepare Tails for memory erasure tests 0.314
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.124
Then I find very few patterns in the guest's memory 2.683 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.535
Then patterns cover at least 75% of the test FS size in the guest's memory 3.087 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.693
Then I find very few patterns in the guest's memory after 3 seconds 5.515 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
# read cache
When I mount the USB drive again 0.192
And I read the content of the test FS 0.582
Then patterns cover at least 99% of the test FS size in the guest's memory 2.836 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.434
Then I find very few patterns in the guest's memory after 3 seconds 7.204 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
After features/support/hooks.rb:339 0.821
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:2.277
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 6.292
And I prepare Tails for memory erasure tests 0.317
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.865
Then I find very few patterns in the guest's memory 2.524 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.153
Then patterns cover at least 99% of the test FS size in the guest's memory 2.782 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.479
Then I find very few patterns in the guest's memory after 3 seconds 5.687 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
# read cache
When I mount the USB drive again 3.954
And I read the content of the test FS 0.411
Then patterns cover at least 99% of the test FS size in the guest's memory 2.794 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.436
Then I find very few patterns in the guest's memory after 3 seconds 5.579 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
After features/support/hooks.rb:339 1.007
After features/support/hooks.rb:108 0.007
Tags: @product @slow @not_release_blocker
44.017
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.005
Given I have started Tails from DVD without network and logged in 6.329
And I prepare Tails for memory erasure tests 0.275
When I fill a 128 MiB file with a known pattern on the root filesystem 13.122
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.507
Then patterns cover at least 128 MiB in the guest's memory 2.068 
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 20.707 
Pattern coverage: 0.000% (0 MiB out of 1454 MiB reference memory)
After features/support/hooks.rb:339 3.559
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:19.065
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 3:47.446
And I prepare Tails for memory erasure tests 0.262
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.271
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.079 
Pattern coverage: 0.000% (0 MiB out of 1455 MiB reference memory)
After features/support/hooks.rb:339 3.580
After features/support/hooks.rb:108 0.010