Project Number Date
test_Tails_ISO_devel 4098 03 Dec 2025, 16:09

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 24:53.260 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
47.893
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.872
And I prepare Tails for memory erasure tests 0.432
When I start a process allocating 128 MiB of memory with a known pattern 2.366
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 15.722 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.329
Then I find very few patterns in the guest's memory after 5 seconds 20.169 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
After features/support/hooks.rb:331 1.081
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:0.674
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.484
And I prepare Tails for memory erasure tests 0.541
And I find very few patterns in the guest's memory 15.617 
Pattern coverage: 0.000% (0 MiB out of 1506 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.427
Then patterns cover at least 99% of the test FS size in the guest's memory 15.538 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.391
Then I find very few patterns in the guest's memory after 3 seconds 17.674 
Pattern coverage: 0.000% (0 MiB out of 1506 MiB reference memory)
After features/support/hooks.rb:331 0.893
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
3:40.863
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.628
And I prepare Tails for memory erasure tests 0.462
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.636
Then I find very few patterns in the guest's memory 28.128 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.584
Then patterns cover at least 75% of the test FS size in the guest's memory 35.976 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.044
Then I find very few patterns in the guest's memory after 3 seconds 34.210 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
# read cache
When I mount the USB drive again 0.287
And I read the content of the test FS 0.653
Then patterns cover at least 99% of the test FS size in the guest's memory 49.718 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.524
Then I find very few patterns in the guest's memory after 3 seconds 51.009 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
After features/support/hooks.rb:331 1.248
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
5:36.098
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 16.654
And I prepare Tails for memory erasure tests 0.358
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 1:10.602
Then I find very few patterns in the guest's memory 32.748 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 11.514
Then patterns cover at least 99% of the test FS size in the guest's memory 48.988 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 6.786
Then I find very few patterns in the guest's memory after 3 seconds 52.738 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
# read cache
When I mount the USB drive again 5.390
And I read the content of the test FS 0.621
Then patterns cover at least 99% of the test FS size in the guest's memory 39.320 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 6.756
Then I find very few patterns in the guest's memory after 3 seconds 43.619 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
After features/support/hooks.rb:331 3.125
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:49.623
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 28.462
And I prepare Tails for memory erasure tests 0.515
When I fill a 128 MiB file with a known pattern on the root filesystem 11.026
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.182
Then patterns cover at least 128 MiB in the guest's memory 36.485 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.010
Then I find very few patterns in the guest's memory after 20 seconds 29.939 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
After features/support/hooks.rb:331 7.374
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
11:58.107
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 11:21.401
And I prepare Tails for memory erasure tests 0.464
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.698
When I trigger shutdown 0.026
Then I find very few patterns in the guest's memory after 20 seconds 24.515 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
After features/support/hooks.rb:331 4.012
After features/support/hooks.rb:100 0.013