Project Number Date
test_Tails_ISO_feature-arti 29 15 Apr 2025, 16:48

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 11:54.944 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
25.380
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 8.544
And I prepare Tails for memory erasure tests 0.472
When I start a process allocating 128 MiB of memory with a known pattern 1.239
Then patterns cover at least 128 MiB in the guest's memory 5.391 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.009
Then I find very few patterns in the guest's memory after 5 seconds 8.722 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
After features/support/hooks.rb:330 1.031
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
36.485
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 8.436
And I prepare Tails for memory erasure tests 0.579
And I find very few patterns in the guest's memory 5.159 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.132
Then patterns cover at least 99% of the test FS size in the guest's memory 9.190 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.653
Then I find very few patterns in the guest's memory after 3 seconds 10.333 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 1.115
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.132
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 9.615
And I prepare Tails for memory erasure tests 0.680
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.487
Then I find very few patterns in the guest's memory 3.874 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.779
Then patterns cover at least 75% of the test FS size in the guest's memory 4.369 
Pattern coverage: 86.885% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.685
Then I find very few patterns in the guest's memory after 3 seconds 7.012 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# read cache
When I mount the USB drive again 0.206
And I read the content of the test FS 0.733
Then patterns cover at least 99% of the test FS size in the guest's memory 4.059 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.660
Then I find very few patterns in the guest's memory after 3 seconds 6.969 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 0.731
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.834
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 8.269
And I prepare Tails for memory erasure tests 0.613
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.917
Then I find very few patterns in the guest's memory 3.113 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.667
Then patterns cover at least 99% of the test FS size in the guest's memory 3.549 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.678
Then I find very few patterns in the guest's memory after 3 seconds 6.177 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# read cache
When I mount the USB drive again 4.813
And I read the content of the test FS 0.429
Then patterns cover at least 99% of the test FS size in the guest's memory 3.833 
Pattern coverage: 106.116% (97 MiB out of 91 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 6.247 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 1.038
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.021
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 8.875
And I prepare Tails for memory erasure tests 1.031
When I fill a 128 MiB file with a known pattern on the root filesystem 17.022
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.000
Then patterns cover at least 128 MiB in the guest's memory 3.174 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 20.906 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 3.550
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:47.088
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 7:1.562
And I prepare Tails for memory erasure tests 0.738
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.463
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.312 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 3.556
After features/support/hooks.rb:100 0.011