Project Number Date
test_Tails_ISO_web-release-7.14 3 29 Sep 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 7:34.231 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
19.892
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 6.216
And I prepare Tails for memory erasure tests 0.285
When I start a process allocating 128 MiB of memory with a known pattern 2.201
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.138 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.206
Then I find very few patterns in the guest's memory after 5 seconds 7.843 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
After features/support/hooks.rb:339 0.862
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
32.436
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 18.136
And I prepare Tails for memory erasure tests 0.288
And I find very few patterns in the guest's memory 2.797 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.557
Then patterns cover at least 99% of the test FS size in the guest's memory 2.875 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.415
Then I find very few patterns in the guest's memory after 3 seconds 6.365 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
After features/support/hooks.rb:339 0.873
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.047
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 6.313
And I prepare Tails for memory erasure tests 0.291
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.063
Then I find very few patterns in the guest's memory 3.114 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.674
Then patterns cover at least 75% of the test FS size in the guest's memory 3.216 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.896
Then I find very few patterns in the guest's memory after 3 seconds 5.594 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
# read cache
When I mount the USB drive again 0.153
And I read the content of the test FS 0.606
Then patterns cover at least 99% of the test FS size in the guest's memory 2.862 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.438
Then I find very few patterns in the guest's memory after 3 seconds 5.819 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
After features/support/hooks.rb:339 0.760
After features/support/hooks.rb:108 0.008
Tags: @product @slow @not_release_blocker
1:3.637
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.020
Given I have started Tails from DVD without network and logged in 6.751
And I prepare Tails for memory erasure tests 0.432
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.644
Then I find very few patterns in the guest's memory 2.719 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.289
Then patterns cover at least 99% of the test FS size in the guest's memory 2.802 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.551
Then I find very few patterns in the guest's memory after 3 seconds 5.567 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
# read cache
When I mount the USB drive again 3.502
And I read the content of the test FS 0.380
Then patterns cover at least 99% of the test FS size in the guest's memory 2.921 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.451
Then I find very few patterns in the guest's memory after 3 seconds 5.622 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
After features/support/hooks.rb:339 0.628
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.347
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 6.344
And I prepare Tails for memory erasure tests 0.278
When I fill a 128 MiB file with a known pattern on the root filesystem 12.261
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.523
Then patterns cover at least 128 MiB in the guest's memory 2.151 
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 20.780 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
After features/support/hooks.rb:339 3.671
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:17.870
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 3:45.843
And I prepare Tails for memory erasure tests 0.319
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.230
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 21.469 
Pattern coverage: 0.000% (0 MiB out of 1448 MiB reference memory)
After features/support/hooks.rb:339 3.819
After features/support/hooks.rb:108 0.010