Project Number Date
test_Tails_ISO_devel 4615 14 Sep 2026, 12:12

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 7:19.429 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
20.617
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 6.334
And I prepare Tails for memory erasure tests 0.360
When I start a process allocating 128 MiB of memory with a known pattern 2.278
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.211 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.816
Then I find very few patterns in the guest's memory after 5 seconds 7.614 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
After features/support/hooks.rb:339 0.593
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.738
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 6.176
And I prepare Tails for memory erasure tests 0.231
And I find very few patterns in the guest's memory 2.670 
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 1.559
Then patterns cover at least 99% of the test FS size in the guest's memory 3.008 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.420
Then I find very few patterns in the guest's memory after 3 seconds 5.670 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
After features/support/hooks.rb:339 0.969
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.708
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 6.218
And I prepare Tails for memory erasure tests 0.302
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.738
Then I find very few patterns in the guest's memory 2.749 
Pattern coverage: 0.000% (0 MiB out of 1418 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.773
Then patterns cover at least 75% of the test FS size in the guest's memory 3.002 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.662
Then I find very few patterns in the guest's memory after 3 seconds 6.168 
Pattern coverage: 0.000% (0 MiB out of 1418 MiB reference memory)
# read cache
When I mount the USB drive again 0.302
And I read the content of the test FS 0.597
Then patterns cover at least 99% of the test FS size in the guest's memory 2.978 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.467
Then I find very few patterns in the guest's memory after 3 seconds 5.748 
Pattern coverage: 0.000% (0 MiB out of 1418 MiB reference memory)
After features/support/hooks.rb:339 0.986
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:1.994
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 6.260
And I prepare Tails for memory erasure tests 0.299
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.826
Then I find very few patterns in the guest's memory 2.640 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.282
Then patterns cover at least 99% of the test FS size in the guest's memory 2.609 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.535
Then I find very few patterns in the guest's memory after 3 seconds 5.625 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
# read cache
When I mount the USB drive again 4.119
And I read the content of the test FS 0.319
Then patterns cover at least 99% of the test FS size in the guest's memory 2.690 
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 5.355 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
After features/support/hooks.rb:339 0.722
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.280
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 6.437
And I prepare Tails for memory erasure tests 0.376
When I fill a 128 MiB file with a known pattern on the root filesystem 12.691
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.563
Then patterns cover at least 128 MiB in the guest's memory 2.362 
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 20.843 
Pattern coverage: 0.000% (0 MiB out of 1393 MiB reference memory)
After features/support/hooks.rb:339 3.812
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:15.089
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 3:43.573
And I prepare Tails for memory erasure tests 0.296
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.009
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.205 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
After features/support/hooks.rb:339 3.621
After features/support/hooks.rb:108 0.010