Project Number Date
test_Tails_ISO_devel 4484 07 Jul 2026, 11:11

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 7:46.131 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
17.028
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 6.680
And I prepare Tails for memory erasure tests 0.374
When I start a process allocating 128 MiB of memory with a known pattern 1.148
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.851 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.171
Then I find very few patterns in the guest's memory after 5 seconds 6.802 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:339 0.716
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
17.367
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 6.660
And I prepare Tails for memory erasure tests 0.364
And I find very few patterns in the guest's memory 1.815 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.492
Then patterns cover at least 99% of the test FS size in the guest's memory 1.928 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.318
Then I find very few patterns in the guest's memory after 3 seconds 4.788 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:339 0.861
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
31.951
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 6.559
And I prepare Tails for memory erasure tests 0.362
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.256
Then I find very few patterns in the guest's memory 1.795 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.432
Then patterns cover at least 75% of the test FS size in the guest's memory 2.055 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.698
Then I find very few patterns in the guest's memory after 3 seconds 4.927 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
# read cache
When I mount the USB drive again 0.195
And I read the content of the test FS 0.470
Then patterns cover at least 99% of the test FS size in the guest's memory 1.964 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.379
Then I find very few patterns in the guest's memory after 3 seconds 4.854 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:339 0.847
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
54.949
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 6.439
And I prepare Tails for memory erasure tests 0.412
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.133
Then I find very few patterns in the guest's memory 1.702 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.287
Then patterns cover at least 99% of the test FS size in the guest's memory 1.793 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.543
Then I find very few patterns in the guest's memory after 3 seconds 4.569 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
# read cache
When I mount the USB drive again 3.728
And I read the content of the test FS 0.313
Then patterns cover at least 99% of the test FS size in the guest's memory 1.751 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.527
Then I find very few patterns in the guest's memory after 3 seconds 4.747 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:339 0.820
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
58.700
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 6.436
And I prepare Tails for memory erasure tests 0.344
When I fill a 128 MiB file with a known pattern on the root filesystem 27.903
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.850
Then patterns cover at least 128 MiB in the guest's memory 1.603 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.556 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:339 3.455
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:46.133
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 3:51.193
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 33.764
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.864 
Pattern coverage: 0.000% (0 MiB out of 1508 MiB reference memory)
After features/support/hooks.rb:339 3.644
After features/support/hooks.rb:108 0.012