Project Number Date
test_Tails_ISO_devel 4602 08 Sep 2026, 11:28

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 7:49.165 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
19.771
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 6.328
And I prepare Tails for memory erasure tests 0.329
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 2.976 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.197
Then I find very few patterns in the guest's memory after 5 seconds 7.737 
Pattern coverage: 0.000% (0 MiB out of 1406 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
20.583
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 6.438
And I prepare Tails for memory erasure tests 0.309
And I find very few patterns in the guest's memory 2.693 
Pattern coverage: 0.000% (0 MiB out of 1416 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.582
Then patterns cover at least 99% of the test FS size in the guest's memory 3.285 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.439
Then I find very few patterns in the guest's memory after 3 seconds 5.834 
Pattern coverage: 0.000% (0 MiB out of 1416 MiB reference memory)
After features/support/hooks.rb:339 0.703
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
39.915
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 6.662
And I prepare Tails for memory erasure tests 0.369
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.588
Then I find very few patterns in the guest's memory 2.874 
Pattern coverage: 0.000% (0 MiB out of 1416 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.700
Then patterns cover at least 75% of the test FS size in the guest's memory 3.318 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.717
Then I find very few patterns in the guest's memory after 3 seconds 5.752 
Pattern coverage: 0.000% (0 MiB out of 1416 MiB reference memory)
# read cache
When I mount the USB drive again 0.178
And I read the content of the test FS 0.641
Then patterns cover at least 99% of the test FS size in the guest's memory 3.170 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.436
Then I find very few patterns in the guest's memory after 3 seconds 7.503 
Pattern coverage: 0.000% (0 MiB out of 1416 MiB reference memory)
After features/support/hooks.rb:339 0.827
After features/support/hooks.rb:108 0.001
Tags: @product @slow @not_release_blocker
1:5.944
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.004
Given I have started Tails from DVD without network and logged in 6.430
And I prepare Tails for memory erasure tests 0.320
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.456
Then I find very few patterns in the guest's memory 4.218 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.266
Then patterns cover at least 99% of the test FS size in the guest's memory 3.275 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.483
Then I find very few patterns in the guest's memory after 3 seconds 6.437 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
# read cache
When I mount the USB drive again 4.193
And I read the content of the test FS 0.376
Then patterns cover at least 99% of the test FS size in the guest's memory 3.871 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.441
Then I find very few patterns in the guest's memory after 3 seconds 6.171 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
After features/support/hooks.rb:339 1.057
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
46.924
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 6.642
And I prepare Tails for memory erasure tests 0.390
When I fill a 128 MiB file with a known pattern on the root filesystem 14.185
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.651
Then patterns cover at least 128 MiB in the guest's memory 3.188 
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 20.858 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
After features/support/hooks.rb:339 3.639
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:36.024
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 4:4.834
And I prepare Tails for memory erasure tests 0.272
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.686
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.226 
Pattern coverage: 0.000% (0 MiB out of 1452 MiB reference memory)
After features/support/hooks.rb:339 3.671
After features/support/hooks.rb:108 0.010