Project Number Date
test_Tails_ISO_devel 3655 20 Jan 2025, 17:55

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 10:42.491 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
20.505
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.007
And I prepare Tails for memory erasure tests 0.395
When I start a process allocating 128 MiB of memory with a known pattern 2.547
Then patterns cover at least 128 MiB in the guest's memory 3.475 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.390
Then I find very few patterns in the guest's memory after 3 seconds 5.688 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 0.945
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.003
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.170
And I prepare Tails for memory erasure tests 0.404
And I find very few patterns in the guest's memory 3.504 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.829
Then patterns cover at least 99% of the test FS size in the guest's memory 3.914 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.597
Then I find very few patterns in the guest's memory after 3 seconds 6.582 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 0.827
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.670
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.316
And I prepare Tails for memory erasure tests 0.398
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.134
Then I find very few patterns in the guest's memory 3.082 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.659
Then patterns cover at least 75% of the test FS size in the guest's memory 2.879 
Pattern coverage: 92.775% (118 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.322
Then I find very few patterns in the guest's memory after 3 seconds 5.717 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 0.258
And I read the content of the test FS 0.646
Then patterns cover at least 99% of the test FS size in the guest's memory 3.814 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.594
Then I find very few patterns in the guest's memory after 3 seconds 5.844 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 0.839
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.490
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.864
And I prepare Tails for memory erasure tests 0.411
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.841
Then I find very few patterns in the guest's memory 2.577 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.707
Then patterns cover at least 99% of the test FS size in the guest's memory 2.782 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.157
Then I find very few patterns in the guest's memory after 3 seconds 5.339 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
# read cache
When I mount the USB drive again 5.352
And I read the content of the test FS 0.426
Then patterns cover at least 99% of the test FS size in the guest's memory 2.780 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.946
Then I find very few patterns in the guest's memory after 3 seconds 5.300 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
After features/support/hooks.rb:326 0.881
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.691
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.807
And I prepare Tails for memory erasure tests 0.395
When I fill a 128 MiB file with a known pattern on the root filesystem 14.313
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.073
Then patterns cover at least 128 MiB in the guest's memory 2.410 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.674 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 3.478
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:4.129
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 6:21.418
And I prepare Tails for memory erasure tests 0.437
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.136
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.124 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 3.556
After features/support/hooks.rb:100 0.011