Project Number Date
test_Tails_ISO_devel 4633 22 Sep 2026, 11:18

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 7:19.683 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
19.956
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.327
And I prepare Tails for memory erasure tests 0.417
When I start a process allocating 128 MiB of memory with a known pattern 2.224
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.833 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.265
Then I find very few patterns in the guest's memory after 5 seconds 7.888 
Pattern coverage: 0.000% (0 MiB out of 1416 MiB reference memory)
After features/support/hooks.rb:339 0.792
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.188
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 6.341
And I prepare Tails for memory erasure tests 0.337
And I find very few patterns in the guest's memory 2.658 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.516
Then patterns cover at least 99% of the test FS size in the guest's memory 2.865 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.411
Then I find very few patterns in the guest's memory after 3 seconds 6.058 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
After features/support/hooks.rb:339 1.083
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.663
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 6.331
And I prepare Tails for memory erasure tests 0.297
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.146
Then I find very few patterns in the guest's memory 2.705 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.801
Then patterns cover at least 75% of the test FS size in the guest's memory 3.195 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.653
Then I find very few patterns in the guest's memory after 3 seconds 5.613 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
# read cache
When I mount the USB drive again 0.178
And I read the content of the test FS 0.503
Then patterns cover at least 99% of the test FS size in the guest's memory 2.878 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.446
Then I find very few patterns in the guest's memory after 3 seconds 5.912 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
After features/support/hooks.rb:339 0.608
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:2.714
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.330
And I prepare Tails for memory erasure tests 1.472
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.013
Then I find very few patterns in the guest's memory 3.155 
Pattern coverage: 0.000% (0 MiB out of 1422 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.220
Then patterns cover at least 99% of the test FS size in the guest's memory 2.928 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.529
Then I find very few patterns in the guest's memory after 3 seconds 5.732 
Pattern coverage: 0.000% (0 MiB out of 1422 MiB reference memory)
# read cache
When I mount the USB drive again 3.858
And I read the content of the test FS 0.351
Then patterns cover at least 99% of the test FS size in the guest's memory 2.870 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.429
Then I find very few patterns in the guest's memory after 3 seconds 5.821 
Pattern coverage: 0.000% (0 MiB out of 1422 MiB reference memory)
After features/support/hooks.rb:339 0.535
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
45.115
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.233
And I prepare Tails for memory erasure tests 0.258
When I fill a 128 MiB file with a known pattern on the root filesystem 14.143
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.382
Then patterns cover at least 128 MiB in the guest's memory 2.263 
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 20.829 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
After features/support/hooks.rb:339 3.439
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:15.044
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 3:43.573
And I prepare Tails for memory erasure tests 0.306
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.051
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 21.104 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
After features/support/hooks.rb:339 3.634
After features/support/hooks.rb:108 0.012