Project Number Date
test_Tails_ISO_21318-tor-browser-16.0 16 17 Jun 2026, 08:29

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 7:59.011 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
18.188
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.010
Given I have started Tails from DVD without network and logged in 7.105
And I prepare Tails for memory erasure tests 0.355
When I start a process allocating 128 MiB of memory with a known pattern 1.138
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.911 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.211
Then I find very few patterns in the guest's memory after 5 seconds 7.466 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:339 1.161
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
18.912
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.011
Given I have started Tails from DVD without network and logged in 7.344
And I prepare Tails for memory erasure tests 0.354
And I find very few patterns in the guest's memory 1.737 
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 1.629
Then patterns cover at least 99% of the test FS size in the guest's memory 2.039 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.372
Then I find very few patterns in the guest's memory after 3 seconds 5.433 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:339 1.026
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
34.171
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.011
Given I have started Tails from DVD without network and logged in 7.354
And I prepare Tails for memory erasure tests 0.443
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.496
Then I find very few patterns in the guest's memory 1.850 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.611
Then patterns cover at least 75% of the test FS size in the guest's memory 2.386 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.790
Then I find very few patterns in the guest's memory after 3 seconds 5.117 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
# read cache
When I mount the USB drive again 0.204
And I read the content of the test FS 0.504
Then patterns cover at least 99% of the test FS size in the guest's memory 2.097 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.421
Then I find very few patterns in the guest's memory after 3 seconds 4.892 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
After features/support/hooks.rb:339 0.605
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:2.125
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.010
Given I have started Tails from DVD without network and logged in 7.517
And I prepare Tails for memory erasure tests 0.403
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.704
Then I find very few patterns in the guest's memory 2.278 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.436
Then patterns cover at least 99% of the test FS size in the guest's memory 1.989 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.639
Then I find very few patterns in the guest's memory after 3 seconds 4.807 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
# read cache
When I mount the USB drive again 3.570
And I read the content of the test FS 0.287
Then patterns cover at least 99% of the test FS size in the guest's memory 1.932 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.466
Then I find very few patterns in the guest's memory after 3 seconds 5.091 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:339 0.717
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
56.630
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.013
Given I have started Tails from DVD without network and logged in 7.405
And I prepare Tails for memory erasure tests 0.393
When I fill a 128 MiB file with a known pattern on the root filesystem 24.436
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.023
Then patterns cover at least 128 MiB in the guest's memory 1.708 
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 20.656 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
After features/support/hooks.rb:339 3.433
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:48.982
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.010
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:8.223
And I prepare Tails for memory erasure tests 0.324
When I fill a 128 MiB file with a known pattern on the persistent filesystem 19.421
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.007 
Pattern coverage: 0.000% (0 MiB out of 1509 MiB reference memory)
After features/support/hooks.rb:339 3.720
After features/support/hooks.rb:108 0.031