Project Number Date
test_Tails_ISO_stable 6001 11 Dec 2025, 08:11

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 15:3.664 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
1:4.373
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 10.026
And I prepare Tails for memory erasure tests 0.565
When I start a process allocating 128 MiB of memory with a known pattern 2.283
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 22.363 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.225
Then I find very few patterns in the guest's memory after 5 seconds 28.909 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:331 2.875
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:24.503
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.035
Given I have started Tails from DVD without network and logged in 12.401
And I prepare Tails for memory erasure tests 0.385
And I find very few patterns in the guest's memory 14.000 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.743
Then patterns cover at least 99% of the test FS size in the guest's memory 15.028 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.485
Then I find very few patterns in the guest's memory after 3 seconds 40.458 
Pattern coverage: 0.000% (0 MiB out of 1489 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
2:36.055
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 8.143
And I prepare Tails for memory erasure tests 0.419
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.922
Then I find very few patterns in the guest's memory 31.466 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.592
Then patterns cover at least 75% of the test FS size in the guest's memory 34.211 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.028
Then I find very few patterns in the guest's memory after 3 seconds 36.483 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
# read cache
When I mount the USB drive again 0.235
And I read the content of the test FS 1.169
Then patterns cover at least 99% of the test FS size in the guest's memory 15.574 
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 17.372 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
After features/support/hooks.rb:331 1.062
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:17.019
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 8.357
And I prepare Tails for memory erasure tests 0.400
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.904
Then I find very few patterns in the guest's memory 15.773 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.964
Then patterns cover at least 99% of the test FS size in the guest's memory 20.045 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.749
Then I find very few patterns in the guest's memory after 3 seconds 16.411 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
# read cache
When I mount the USB drive again 4.337
And I read the content of the test FS 0.573
Then patterns cover at least 99% of the test FS size in the guest's memory 19.445 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.585
Then I find very few patterns in the guest's memory after 3 seconds 15.470 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
After features/support/hooks.rb:331 1.282
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:8.124
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 14.616
And I prepare Tails for memory erasure tests 0.429
When I fill a 128 MiB file with a known pattern on the root filesystem 11.147
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.779
Then patterns cover at least 128 MiB in the guest's memory 16.326 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 22.811 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
After features/support/hooks.rb:331 6.890
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:33.587
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.016
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:0.131
And I prepare Tails for memory erasure tests 0.364
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.626
When I trigger shutdown 0.009
Then I find very few patterns in the guest's memory after 20 seconds 23.454 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:331 3.544
After features/support/hooks.rb:100 0.014