Project Number Date
test_Tails_ISO_devel 3715 03 Mar 2025, 13:12

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 12:2.768 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
38.220
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 21.971
And I prepare Tails for memory erasure tests 0.506
When I start a process allocating 128 MiB of memory with a known pattern 2.580
Then patterns cover at least 128 MiB in the guest's memory 3.510 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.273
Then I find very few patterns in the guest's memory after 5 seconds 9.378 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 0.863
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.464
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 8.118
And I prepare Tails for memory erasure tests 0.436
And I find very few patterns in the guest's memory 3.727 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.504
Then patterns cover at least 99% of the test FS size in the guest's memory 4.266 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.516
Then I find very few patterns in the guest's memory after 3 seconds 6.893 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 0.755
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.239
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 8.762
And I prepare Tails for memory erasure tests 0.523
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.196
Then I find very few patterns in the guest's memory 3.820 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.529
Then patterns cover at least 75% of the test FS size in the guest's memory 3.859 
Pattern coverage: 84.421% (107 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.287
Then I find very few patterns in the guest's memory after 3 seconds 7.434 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 0.282
And I read the content of the test FS 0.516
Then patterns cover at least 99% of the test FS size in the guest's memory 3.953 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.498
Then I find very few patterns in the guest's memory after 3 seconds 6.575 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 0.779
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.620
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 8.851
And I prepare Tails for memory erasure tests 0.523
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.332
Then I find very few patterns in the guest's memory 2.935 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.794
Then patterns cover at least 99% of the test FS size in the guest's memory 2.807 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.728
Then I find very few patterns in the guest's memory after 3 seconds 6.148 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 5.154
And I read the content of the test FS 0.595
Then patterns cover at least 99% of the test FS size in the guest's memory 3.041 
Pattern coverage: 106.116% (97 MiB out of 91 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 6.989 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 1.402
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:7.691
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 22.179
And I prepare Tails for memory erasure tests 0.506
When I fill a 128 MiB file with a known pattern on the root filesystem 17.107
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.983
Then patterns cover at least 128 MiB in the guest's memory 4.431 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.025
Then I find very few patterns in the guest's memory after 20 seconds 21.457 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 3.863
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:43.530
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:57.517
And I prepare Tails for memory erasure tests 0.842
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.915
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.239 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 3.598
After features/support/hooks.rb:100 0.012