Project Number Date
test_Tails_ISO_21523-21524-unsafe-browser-onionshare-no-dbus-access 9 30 Apr 2026, 18:21

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 7:12.473 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
17.414
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 6.644
And I prepare Tails for memory erasure tests 0.368
When I start a process allocating 128 MiB of memory with a known pattern 1.234
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.120 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.191
Then I find very few patterns in the guest's memory after 5 seconds 6.853 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:331 0.809
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
17.629
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 6.726
And I prepare Tails for memory erasure tests 0.357
And I find very few patterns in the guest's memory 1.913 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.455
Then patterns cover at least 99% of the test FS size in the guest's memory 2.090 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.291
Then I find very few patterns in the guest's memory after 3 seconds 4.794 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
After features/support/hooks.rb:331 0.575
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
32.819
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 6.525
And I prepare Tails for memory erasure tests 0.577
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.582
Then I find very few patterns in the guest's memory 2.001 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.139
Then patterns cover at least 75% of the test FS size in the guest's memory 2.164 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.698
Then I find very few patterns in the guest's memory after 3 seconds 4.824 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
# read cache
When I mount the USB drive again 0.162
And I read the content of the test FS 0.429
Then patterns cover at least 99% of the test FS size in the guest's memory 2.252 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.454
Then I find very few patterns in the guest's memory after 3 seconds 5.006 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
After features/support/hooks.rb:331 0.968
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
58.964
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 6.741
And I prepare Tails for memory erasure tests 0.364
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.198
Then I find very few patterns in the guest's memory 1.883 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.143
Then patterns cover at least 99% of the test FS size in the guest's memory 1.942 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.531
Then I find very few patterns in the guest's memory after 3 seconds 4.638 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
# read cache
When I mount the USB drive again 3.839
And I read the content of the test FS 0.298
Then patterns cover at least 99% of the test FS size in the guest's memory 2.196 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.415
Then I find very few patterns in the guest's memory after 3 seconds 4.770 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:331 0.805
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
43.043
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 6.662
And I prepare Tails for memory erasure tests 0.355
When I fill a 128 MiB file with a known pattern on the root filesystem 12.171
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.860
Then patterns cover at least 128 MiB in the guest's memory 1.487 
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 20.499 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:331 3.536
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:22.601
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:50.404
And I prepare Tails for memory erasure tests 0.358
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.867
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.966 
Pattern coverage: 0.000% (0 MiB out of 1503 MiB reference memory)
After features/support/hooks.rb:331 3.662
After features/support/hooks.rb:100 0.008