Project Number Date
test_Tails_ISO_devel 3844 29 May 2025, 14:56

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 12:34.440 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
27.632
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 9.167
And I prepare Tails for memory erasure tests 0.573
When I start a process allocating 128 MiB of memory with a known pattern 2.499
Then patterns cover at least 128 MiB in the guest's memory 5.613 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.027
Then I find very few patterns in the guest's memory after 5 seconds 8.750 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 0.752
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.992
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 8.841
And I prepare Tails for memory erasure tests 0.486
And I find very few patterns in the guest's memory 4.084 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.273
Then patterns cover at least 99% of the test FS size in the guest's memory 4.581 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.444
Then I find very few patterns in the guest's memory after 3 seconds 7.279 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:330 0.973
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:1.843
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 9.087
And I prepare Tails for memory erasure tests 0.497
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.328
Then I find very few patterns in the guest's memory 6.418 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.116
Then patterns cover at least 75% of the test FS size in the guest's memory 4.880 
Pattern coverage: 89.197% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.193
Then I find very few patterns in the guest's memory after 3 seconds 7.004 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 0.299
And I read the content of the test FS 4.901
Then patterns cover at least 99% of the test FS size in the guest's memory 4.658 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.592
Then I find very few patterns in the guest's memory after 3 seconds 6.864 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 0.864
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:27.189
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 8.618
And I prepare Tails for memory erasure tests 0.534
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.618
Then I find very few patterns in the guest's memory 3.422 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.255
Then patterns cover at least 99% of the test FS size in the guest's memory 5.479 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.873
Then I find very few patterns in the guest's memory after 3 seconds 6.544 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 5.102
And I read the content of the test FS 3.740
Then patterns cover at least 99% of the test FS size in the guest's memory 4.074 
Pattern coverage: 106.114% (97 MiB out of 91 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 6.225 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 1.933
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.284
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 8.664
And I prepare Tails for memory erasure tests 0.487
When I fill a 128 MiB file with a known pattern on the root filesystem 14.352
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.190
Then patterns cover at least 128 MiB in the guest's memory 3.571 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.022
Then I find very few patterns in the guest's memory after 20 seconds 20.994 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 3.591
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:18.497
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 7:33.238
And I prepare Tails for memory erasure tests 0.588
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.196
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.457 
Pattern coverage: 0.000% (0 MiB out of 920 MiB reference memory)
After features/support/hooks.rb:330 3.575
After features/support/hooks.rb:100 0.015