Project Number Date
test_Tails_ISO_21655-firmware-nonfree-20260519 1 15 Jun 2026, 14:10

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 7:53.523 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
18.777
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.015
Given I have started Tails from DVD without network and logged in 7.394
And I prepare Tails for memory erasure tests 0.452
When I start a process allocating 128 MiB of memory with a known pattern 1.229
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.061 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.749
Then I find very few patterns in the guest's memory after 5 seconds 6.890 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
After features/support/hooks.rb:339 1.014
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
18.795
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.014
Given I have started Tails from DVD without network and logged in 7.218
And I prepare Tails for memory erasure tests 0.476
And I find very few patterns in the guest's memory 1.779 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.669
Then patterns cover at least 99% of the test FS size in the guest's memory 2.285 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.358
Then I find very few patterns in the guest's memory after 3 seconds 5.006 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:339 0.936
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
33.201
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 7.068
And I prepare Tails for memory erasure tests 0.409
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.391
Then I find very few patterns in the guest's memory 1.929 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.729
Then patterns cover at least 75% of the test FS size in the guest's memory 2.173 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.711
Then I find very few patterns in the guest's memory after 3 seconds 4.778 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
# read cache
When I mount the USB drive again 0.152
And I read the content of the test FS 0.439
Then patterns cover at least 99% of the test FS size in the guest's memory 2.075 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.360
Then I find very few patterns in the guest's memory after 3 seconds 4.981 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:339 1.118
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
53.468
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 7.135
And I prepare Tails for memory erasure tests 0.454
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 24.591
Then I find very few patterns in the guest's memory 1.706 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.478
Then patterns cover at least 99% of the test FS size in the guest's memory 2.057 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.573
Then I find very few patterns in the guest's memory after 3 seconds 4.804 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
# read cache
When I mount the USB drive again 3.457
And I read the content of the test FS 0.371
Then patterns cover at least 99% of the test FS size in the guest's memory 1.769 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.378
Then I find very few patterns in the guest's memory after 3 seconds 4.688 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
After features/support/hooks.rb:339 1.006
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
55.444
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.015
Given I have started Tails from DVD without network and logged in 6.975
And I prepare Tails for memory erasure tests 0.543
When I fill a 128 MiB file with a known pattern on the root filesystem 23.832
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.950
Then patterns cover at least 128 MiB in the guest's memory 1.564 
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 20.570 
Pattern coverage: 0.000% (0 MiB out of 1499 MiB reference memory)
After features/support/hooks.rb:339 3.822
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:53.836
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.018
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:15.277
And I prepare Tails for memory erasure tests 0.374
When I fill a 128 MiB file with a known pattern on the persistent filesystem 17.141
When I trigger shutdown 0.026
Then I find very few patterns in the guest's memory after 20 seconds 21.015 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:339 3.486
After features/support/hooks.rb:108 0.031