Project Number Date
test_Tails_ISO_devel 4170 15 Jan 2026, 17:33

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 7:24.130 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
19.466
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 6.855
And I prepare Tails for memory erasure tests 0.382
When I start a process allocating 128 MiB of memory with a known pattern 2.213
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.111 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.965
Then I find very few patterns in the guest's memory after 5 seconds 6.938 
Pattern coverage: 0.000% (0 MiB out of 1468 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
19.161
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 6.775
And I prepare Tails for memory erasure tests 0.432
And I find very few patterns in the guest's memory 1.859 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.220
Then patterns cover at least 99% of the test FS size in the guest's memory 2.101 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.855
Then I find very few patterns in the guest's memory after 3 seconds 4.916 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
After features/support/hooks.rb:331 0.645
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
33.227
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 6.772
And I prepare Tails for memory erasure tests 0.395
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.364
Then I find very few patterns in the guest's memory 1.905 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.789
Then patterns cover at least 75% of the test FS size in the guest's memory 2.212 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.113
Then I find very few patterns in the guest's memory after 3 seconds 4.850 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
# read cache
When I mount the USB drive again 0.196
And I read the content of the test FS 0.456
Then patterns cover at least 99% of the test FS size in the guest's memory 2.036 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.264
Then I find very few patterns in the guest's memory after 3 seconds 4.870 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
After features/support/hooks.rb:331 1.134
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.181
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.021
Given I have started Tails from DVD without network and logged in 6.829
And I prepare Tails for memory erasure tests 0.549
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.403
Then I find very few patterns in the guest's memory 1.701 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.162
Then patterns cover at least 99% of the test FS size in the guest's memory 1.920 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.625
Then I find very few patterns in the guest's memory after 3 seconds 4.734 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
# read cache
When I mount the USB drive again 3.797
And I read the content of the test FS 0.327
Then patterns cover at least 99% of the test FS size in the guest's memory 1.884 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.443
Then I find very few patterns in the guest's memory after 3 seconds 4.801 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:331 0.672
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.264
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 6.724
And I prepare Tails for memory erasure tests 0.449
When I fill a 128 MiB file with a known pattern on the root filesystem 13.609
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.927
Then patterns cover at least 128 MiB in the guest's memory 1.677 
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 20.867 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:331 3.867
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:30.829
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 3:59.336
And I prepare Tails for memory erasure tests 0.370
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.195
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 20.918 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
After features/support/hooks.rb:331 3.882
After features/support/hooks.rb:100 0.010