Project Number Date
test_Tails_ISO_21523-21524-unsafe-browser-onionshare-no-dbus-access 10 01 May 2026, 18:19

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 7:19.145 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
16.718
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.410
And I prepare Tails for memory erasure tests 0.330
When I start a process allocating 128 MiB of memory with a known pattern 1.148
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.921 
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 6.712 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:331 0.993
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
16.946
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.387
And I prepare Tails for memory erasure tests 0.327
And I find very few patterns in the guest's memory 1.680 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.554
Then patterns cover at least 99% of the test FS size in the guest's memory 2.014 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.314
Then I find very few patterns in the guest's memory after 3 seconds 4.667 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:331 0.756
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
30.918
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.469
And I prepare Tails for memory erasure tests 0.291
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.247
Then I find very few patterns in the guest's memory 1.692 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.402
Then patterns cover at least 75% 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 0.686
Then I find very few patterns in the guest's memory after 3 seconds 4.631 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
# read cache
When I mount the USB drive again 0.164
And I read the content of the test FS 0.391
Then patterns cover at least 99% of the test FS size in the guest's memory 1.847 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.334
Then I find very few patterns in the guest's memory after 3 seconds 4.634 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
After features/support/hooks.rb:331 0.871
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.048
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 6.501
And I prepare Tails for memory erasure tests 0.332
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.116
Then I find very few patterns in the guest's memory 1.648 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.325
Then patterns cover at least 99% of the test FS size in the guest's memory 1.774 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.603
Then I find very few patterns in the guest's memory after 3 seconds 4.586 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
# read cache
When I mount the USB drive again 4.085
And I read the content of the test FS 0.268
Then patterns cover at least 99% of the test FS size in the guest's memory 1.791 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.406
Then I find very few patterns in the guest's memory after 3 seconds 4.608 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:331 0.687
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.452
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 6.482
And I prepare Tails for memory erasure tests 0.360
When I fill a 128 MiB file with a known pattern on the root filesystem 19.865
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.714
Then patterns cover at least 128 MiB in the guest's memory 1.491 
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 20.531 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:331 3.627
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:28.063
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:46.326
And I prepare Tails for memory erasure tests 0.357
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.461
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.911 
Pattern coverage: 0.000% (0 MiB out of 1518 MiB reference memory)
After features/support/hooks.rb:331 3.649
After features/support/hooks.rb:100 0.008