Project Number Date
test_Tails_ISO_devel 3840 28 May 2025, 09:59

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 11:39.723 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
24.500
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 8.780
And I prepare Tails for memory erasure tests 0.466
When I start a process allocating 128 MiB of memory with a known pattern 1.366
Then patterns cover at least 128 MiB in the guest's memory 4.183 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.779
Then I find very few patterns in the guest's memory after 5 seconds 8.923 
Pattern coverage: 0.000% (0 MiB out of 917 MiB reference memory)
After features/support/hooks.rb:330 0.826
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.774
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 8.578
And I prepare Tails for memory erasure tests 0.424
And I find very few patterns in the guest's memory 3.698 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.690
Then patterns cover at least 99% of the test FS size in the guest's memory 4.245 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.431
Then I find very few patterns in the guest's memory after 3 seconds 7.705 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:330 0.875
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.949
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 8.542
And I prepare Tails for memory erasure tests 0.492
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.159
Then I find very few patterns in the guest's memory 4.584 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.849
Then patterns cover at least 75% of the test FS size in the guest's memory 4.369 
Pattern coverage: 87.911% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.052
Then I find very few patterns in the guest's memory after 3 seconds 6.720 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
# read cache
When I mount the USB drive again 0.431
And I read the content of the test FS 0.529
Then patterns cover at least 99% of the test FS size in the guest's memory 4.132 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.488
Then I find very few patterns in the guest's memory after 3 seconds 6.596 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
After features/support/hooks.rb:330 0.989
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.451
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 12.257
And I prepare Tails for memory erasure tests 0.494
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.518
Then I find very few patterns in the guest's memory 2.964 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.972
Then patterns cover at least 99% of the test FS size in the guest's memory 3.402 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.657
Then I find very few patterns in the guest's memory after 3 seconds 6.038 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# read cache
When I mount the USB drive again 3.901
And I read the content of the test FS 0.726
Then patterns cover at least 99% of the test FS size in the guest's memory 3.606 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.753
Then I find very few patterns in the guest's memory after 3 seconds 6.157 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:330 1.845
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.038
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 8.221
And I prepare Tails for memory erasure tests 0.473
When I fill a 128 MiB file with a known pattern on the root filesystem 18.409
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.936
Then patterns cover at least 128 MiB in the guest's memory 3.108 
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 20.875 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:330 3.487
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:43.008
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 6:58.162
And I prepare Tails for memory erasure tests 0.466
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.100
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.264 
Pattern coverage: 0.000% (0 MiB out of 919 MiB reference memory)
After features/support/hooks.rb:330 3.522
After features/support/hooks.rb:100 0.013