Project Number Date
test_Tails_ISO_devel 4648 30 Sep 2026, 18:11

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 8:3.573 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
20.871
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 6.520
And I prepare Tails for memory erasure tests 0.357
When I start a process allocating 128 MiB of memory with a known pattern 2.200
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.876 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.232
Then I find very few patterns in the guest's memory after 5 seconds 7.684 
Pattern coverage: 0.000% (0 MiB out of 1393 MiB reference memory)
After features/support/hooks.rb:339 0.937
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
22.257
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 6.793
And I prepare Tails for memory erasure tests 0.388
And I find very few patterns in the guest's memory 2.960 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.406
Then patterns cover at least 99% of the test FS size in the guest's memory 2.918 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.319
Then I find very few patterns in the guest's memory after 3 seconds 7.470 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
After features/support/hooks.rb:339 1.020
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
39.766
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 6.464
And I prepare Tails for memory erasure tests 0.321
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.773
Then I find very few patterns in the guest's memory 2.960 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.864
Then patterns cover at least 75% of the test FS size in the guest's memory 3.390 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.760
Then I find very few patterns in the guest's memory after 3 seconds 5.848 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
# read cache
When I mount the USB drive again 0.184
And I read the content of the test FS 0.599
Then patterns cover at least 99% of the test FS size in the guest's memory 3.171 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.376
Then I find very few patterns in the guest's memory after 3 seconds 7.052 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
After features/support/hooks.rb:339 0.993
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:8.128
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 7.494
And I prepare Tails for memory erasure tests 0.374
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.099
Then I find very few patterns in the guest's memory 3.016 
Pattern coverage: 0.000% (0 MiB out of 1396 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.526
Then patterns cover at least 99% of the test FS size in the guest's memory 3.155 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.540
Then I find very few patterns in the guest's memory after 3 seconds 5.493 
Pattern coverage: 0.000% (0 MiB out of 1396 MiB reference memory)
# read cache
When I mount the USB drive again 3.837
And I read the content of the test FS 0.353
Then patterns cover at least 99% of the test FS size in the guest's memory 5.452 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.188
Then I find very few patterns in the guest's memory after 3 seconds 5.595 
Pattern coverage: 0.000% (0 MiB out of 1396 MiB reference memory)
After features/support/hooks.rb:339 0.704
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.525
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 6.527
And I prepare Tails for memory erasure tests 0.526
When I fill a 128 MiB file with a known pattern on the root filesystem 12.697
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.664
Then patterns cover at least 128 MiB in the guest's memory 2.190 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.912 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
After features/support/hooks.rb:339 3.652
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:48.023
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:16.679
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 9.547
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 21.417 
Pattern coverage: 0.000% (0 MiB out of 1444 MiB reference memory)
After features/support/hooks.rb:339 3.733
After features/support/hooks.rb:108 0.031