Project Number Date
test_Tails_ISO_stable 6065 14 Jan 2026, 16:05

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 7:35.582 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
20.287
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 7.153
And I prepare Tails for memory erasure tests 0.442
When I start a process allocating 128 MiB of memory with a known pattern 2.251
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.661 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.826
Then I find very few patterns in the guest's memory after 5 seconds 6.952 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:331 0.997
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
20.287
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 7.178
And I prepare Tails for memory erasure tests 0.358
And I find very few patterns in the guest's memory 2.462 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.151
Then patterns cover at least 99% of the test FS size in the guest's memory 2.361 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.881
Then I find very few patterns in the guest's memory after 3 seconds 4.893 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:331 0.996
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
34.477
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 7.013
And I prepare Tails for memory erasure tests 0.458
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.737
Then I find very few patterns in the guest's memory 2.170 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.670
Then patterns cover at least 75% of the test FS size in the guest's memory 2.011 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.071
Then I find very few patterns in the guest's memory after 3 seconds 4.944 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# read cache
When I mount the USB drive again 0.167
And I read the content of the test FS 0.611
Then patterns cover at least 99% of the test FS size in the guest's memory 2.264 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.303
Then I find very few patterns in the guest's memory after 3 seconds 5.052 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:331 0.928
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.445
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 7.222
And I prepare Tails for memory erasure tests 0.356
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.761
Then I find very few patterns in the guest's memory 1.659 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.066
Then patterns cover at least 99% of the test FS size in the guest's memory 1.831 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.562
Then I find very few patterns in the guest's memory after 3 seconds 4.628 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
# read cache
When I mount the USB drive again 3.712
And I read the content of the test FS 0.291
Then patterns cover at least 99% of the test FS size in the guest's memory 2.024 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.491
Then I find very few patterns in the guest's memory after 3 seconds 4.836 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
After features/support/hooks.rb:331 0.902
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.603
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 7.093
And I prepare Tails for memory erasure tests 0.363
When I fill a 128 MiB file with a known pattern on the root filesystem 13.522
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.661
Then patterns cover at least 128 MiB in the guest's memory 1.458 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 20.495 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:331 3.664
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:38.481
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 4:7.036
And I prepare Tails for memory erasure tests 0.336
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.181
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.921 
Pattern coverage: 0.000% (0 MiB out of 1520 MiB reference memory)
After features/support/hooks.rb:331 3.847
After features/support/hooks.rb:100 0.009