Project Number Date
test_Tails_ISO_devel 4605 09 Sep 2026, 17:07

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 7:50.975 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
22.156
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 7.055
And I prepare Tails for memory erasure tests 0.337
When I start a process allocating 128 MiB of memory with a known pattern 2.228
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.462 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.228
Then I find very few patterns in the guest's memory after 5 seconds 8.843 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
After features/support/hooks.rb:339 0.615
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.593
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 6.751
And I prepare Tails for memory erasure tests 0.376
And I find very few patterns in the guest's memory 2.622 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.475
Then patterns cover at least 99% of the test FS size in the guest's memory 2.818 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.436
Then I find very few patterns in the guest's memory after 3 seconds 6.113 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
After features/support/hooks.rb:339 0.721
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
50.614
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.004
Given I have started Tails from DVD without network and logged in 18.824
And I prepare Tails for memory erasure tests 0.359
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.716
Then I find very few patterns in the guest's memory 2.845 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.701
Then patterns cover at least 75% of the test FS size in the guest's memory 3.338 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.753
Then I find very few patterns in the guest's memory after 3 seconds 5.966 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
# read cache
When I mount the USB drive again 0.194
And I read the content of the test FS 0.520
Then patterns cover at least 99% of the test FS size in the guest's memory 3.032 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.498
Then I find very few patterns in the guest's memory after 3 seconds 5.861 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
After features/support/hooks.rb:339 0.686
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:0.969
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 6.503
And I prepare Tails for memory erasure tests 0.351
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 26.924
Then I find very few patterns in the guest's memory 2.798 
Pattern coverage: 0.000% (0 MiB out of 1415 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.136
Then patterns cover at least 99% of the test FS size in the guest's memory 2.774 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.504
Then I find very few patterns in the guest's memory after 3 seconds 6.813 
Pattern coverage: 0.000% (0 MiB out of 1415 MiB reference memory)
# read cache
When I mount the USB drive again 3.410
And I read the content of the test FS 0.412
Then patterns cover at least 99% of the test FS size in the guest's memory 3.279 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.427
Then I find very few patterns in the guest's memory after 3 seconds 5.633 
Pattern coverage: 0.000% (0 MiB out of 1415 MiB reference memory)
After features/support/hooks.rb:339 0.863
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
45.747
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 6.816
And I prepare Tails for memory erasure tests 0.406
When I fill a 128 MiB file with a known pattern on the root filesystem 13.466
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.569
Then patterns cover at least 128 MiB in the guest's memory 2.694 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.786 
Pattern coverage: 0.000% (0 MiB out of 1423 MiB reference memory)
After features/support/hooks.rb:339 3.858
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:30.893
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 4:0.765
And I prepare Tails for memory erasure tests 0.294
When I fill a 128 MiB file with a known pattern on the persistent filesystem 8.616
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.213 
Pattern coverage: 0.000% (0 MiB out of 1428 MiB reference memory)
After features/support/hooks.rb:339 3.786
After features/support/hooks.rb:108 0.011