Project Number Date
test_Tails_ISO_web-release-7.14 4 29 Sep 2026, 20:36

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 8:9.365 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
23.213
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.006
Given I have started Tails from DVD without network and logged in 6.490
And I prepare Tails for memory erasure tests 0.288
When I start a process allocating 128 MiB of memory with a known pattern 2.185
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 4.159 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.220
Then I find very few patterns in the guest's memory after 5 seconds 9.870 
Pattern coverage: 0.000% (0 MiB out of 1393 MiB reference memory)
After features/support/hooks.rb:339 1.148
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
24.183
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.007
Given I have started Tails from DVD without network and logged in 6.823
And I prepare Tails for memory erasure tests 0.283
And I find very few patterns in the guest's memory 3.378 
Pattern coverage: 0.000% (0 MiB out of 1390 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.653
Then patterns cover at least 99% of the test FS size in the guest's memory 5.856 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.421
Then I find very few patterns in the guest's memory after 3 seconds 5.766 
Pattern coverage: 0.000% (0 MiB out of 1390 MiB reference memory)
After features/support/hooks.rb:339 0.626
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
38.581
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.395
And I prepare Tails for memory erasure tests 0.346
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.397
Then I find very few patterns in the guest's memory 3.002 
Pattern coverage: 0.000% (0 MiB out of 1382 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.802
Then patterns cover at least 75% of the test FS size in the guest's memory 3.139 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.689
Then I find very few patterns in the guest's memory after 3 seconds 5.839 
Pattern coverage: 0.000% (0 MiB out of 1382 MiB reference memory)
# read cache
When I mount the USB drive again 0.183
And I read the content of the test FS 0.588
Then patterns cover at least 99% of the test FS size in the guest's memory 3.584 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.517
Then I find very few patterns in the guest's memory after 3 seconds 6.093 
Pattern coverage: 0.000% (0 MiB out of 1382 MiB reference memory)
After features/support/hooks.rb:339 0.696
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:6.360
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.005
Given I have started Tails from DVD without network and logged in 6.267
And I prepare Tails for memory erasure tests 0.333
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.437
Then I find very few patterns in the guest's memory 2.665 
Pattern coverage: 0.000% (0 MiB out of 1388 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.111
Then patterns cover at least 99% of the test FS size in the guest's memory 2.975 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.541
Then I find very few patterns in the guest's memory after 3 seconds 6.989 
Pattern coverage: 0.000% (0 MiB out of 1388 MiB reference memory)
# read cache
When I mount the USB drive again 4.583
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 2.881 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.502
Then I find very few patterns in the guest's memory after 3 seconds 5.642 
Pattern coverage: 0.000% (0 MiB out of 1388 MiB reference memory)
After features/support/hooks.rb:339 0.972
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
45.490
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.743
And I prepare Tails for memory erasure tests 0.391
When I fill a 128 MiB file with a known pattern on the root filesystem 13.029
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.665
Then patterns cover at least 128 MiB in the guest's memory 2.752 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.902 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
After features/support/hooks.rb:339 3.571
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:51.535
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:19.854
And I prepare Tails for memory erasure tests 0.330
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.194
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.151 
Pattern coverage: 0.000% (0 MiB out of 1441 MiB reference memory)
After features/support/hooks.rb:339 3.777
After features/support/hooks.rb:108 0.014