Project Number Date
test_Tails_ISO_devel 3593 20 Nov 2024, 13:08

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 12:5.945 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
22.661
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.585
And I prepare Tails for memory erasure tests 0.620
When I start a process allocating 128 MiB of memory with a known pattern 1.430
Then patterns cover at least 128 MiB in the guest's memory 4.250 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.051
Then I find very few patterns in the guest's memory after 3 seconds 6.723 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 1.790
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.869
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.380
And I prepare Tails for memory erasure tests 0.595
And I find very few patterns in the guest's memory 3.737 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.547
Then patterns cover at least 99% of the test FS size in the guest's memory 4.170 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.617
Then I find very few patterns in the guest's memory after 3 seconds 6.819 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:326 1.020
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.943
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 9.066
And I prepare Tails for memory erasure tests 0.558
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.113
Then I find very few patterns in the guest's memory 3.798 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.882
Then patterns cover at least 75% of the test FS size in the guest's memory 4.432 
Pattern coverage: 87.641% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.133
Then I find very few patterns in the guest's memory after 3 seconds 6.497 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
# read cache
When I mount the USB drive again 0.540
And I read the content of the test FS 1.113
Then patterns cover at least 99% of the test FS size in the guest's memory 3.987 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.083
Then I find very few patterns in the guest's memory after 3 seconds 6.735 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:326 1.935
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:24.523
Before features/support/hooks.rb:269 0.005
Given I have started Tails from DVD without network and logged in 9.422
And I prepare Tails for memory erasure tests 0.581
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.762
Then I find very few patterns in the guest's memory 3.786 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.666
Then patterns cover at least 99% of the test FS size in the guest's memory 3.576 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.404
Then I find very few patterns in the guest's memory after 3 seconds 6.317 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 4.941
And I read the content of the test FS 0.512
Then patterns cover at least 99% of the test FS size in the guest's memory 5.170 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.807
Then I find very few patterns in the guest's memory after 3 seconds 6.572 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 0.951
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.320
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.044
And I prepare Tails for memory erasure tests 0.599
When I fill a 128 MiB file with a known pattern on the root filesystem 18.424
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.017
Then patterns cover at least 128 MiB in the guest's memory 3.308 
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 20.914 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:326 3.563
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:3.625
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:16.063
And I prepare Tails for memory erasure tests 0.503
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.871
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.171 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 3.623
After features/support/hooks.rb:100 0.013