Project Number Date
test_Tails_ISO_devel 3700 19 Feb 2025, 12:49

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 11:16.447 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
27.760
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.722
And I prepare Tails for memory erasure tests 0.627
When I start a process allocating 128 MiB of memory with a known pattern 2.466
Then patterns cover at least 128 MiB in the guest's memory 4.797 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.922
Then I find very few patterns in the guest's memory after 5 seconds 8.223 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 0.828
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.150
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.293
And I prepare Tails for memory erasure tests 0.531
And I find very few patterns in the guest's memory 4.127 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.985
Then patterns cover at least 99% of the test FS size in the guest's memory 4.508 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.795
Then I find very few patterns in the guest's memory after 3 seconds 6.909 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 0.885
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.290
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.475
And I prepare Tails for memory erasure tests 0.601
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.186
Then I find very few patterns in the guest's memory 3.737 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.700
Then patterns cover at least 75% of the test FS size in the guest's memory 4.245 
Pattern coverage: 87.920% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.982
Then I find very few patterns in the guest's memory after 3 seconds 6.800 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 0.501
And I read the content of the test FS 0.797
Then patterns cover at least 99% of the test FS size in the guest's memory 4.087 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.541
Then I find very few patterns in the guest's memory after 3 seconds 6.632 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 1.227
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.831
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.125
And I prepare Tails for memory erasure tests 0.445
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.301
Then I find very few patterns in the guest's memory 2.939 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.097
Then patterns cover at least 99% of the test FS size in the guest's memory 2.623 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 3.966
Then I find very few patterns in the guest's memory after 3 seconds 5.429 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 5.829
And I read the content of the test FS 0.447
Then patterns cover at least 99% of the test FS size in the guest's memory 2.977 
Pattern coverage: 106.116% (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 5.991 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 0.985
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.698
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.302
And I prepare Tails for memory erasure tests 0.516
When I fill a 128 MiB file with a known pattern on the root filesystem 15.481
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.869
Then patterns cover at least 128 MiB in the guest's memory 2.651 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.862 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:326 3.489
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:19.716
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:32.526
And I prepare Tails for memory erasure tests 0.447
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.594
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.135 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 3.494
After features/support/hooks.rb:100 0.011