Project Number Date
test_Tails_ISO_devel 3613 15 Dec 2024, 12:30

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 10:58.805 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
21.541
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.953
And I prepare Tails for memory erasure tests 0.480
When I start a process allocating 128 MiB of memory with a known pattern 2.380
Then patterns cover at least 128 MiB in the guest's memory 3.340 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.527
Then I find very few patterns in the guest's memory after 3 seconds 5.859 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 0.931
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.980
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.188
And I prepare Tails for memory erasure tests 0.386
And I find very few patterns in the guest's memory 2.771 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.259
Then patterns cover at least 99% of the test FS size in the guest's memory 3.801 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.925
Then I find very few patterns in the guest's memory after 3 seconds 6.647 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 1.207
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.166
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.012
And I prepare Tails for memory erasure tests 0.470
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.424
Then I find very few patterns in the guest's memory 3.690 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.771
Then patterns cover at least 75% of the test FS size in the guest's memory 4.172 
Pattern coverage: 90.957% (116 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.949
Then I find very few patterns in the guest's memory after 3 seconds 7.547 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# read cache
When I mount the USB drive again 0.302
And I read the content of the test FS 0.896
Then patterns cover at least 99% of the test FS size in the guest's memory 3.701 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.668
Then I find very few patterns in the guest's memory after 3 seconds 6.559 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 1.019
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.101
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.044
And I prepare Tails for memory erasure tests 0.390
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.832
Then I find very few patterns in the guest's memory 2.768 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.629
Then patterns cover at least 99% of the test FS size in the guest's memory 2.511 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.143
Then I find very few patterns in the guest's memory after 3 seconds 5.613 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# read cache
When I mount the USB drive again 5.983
And I read the content of the test FS 0.417
Then patterns cover at least 99% of the test FS size in the guest's memory 2.946 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.514
Then I find very few patterns in the guest's memory after 3 seconds 5.305 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 0.895
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.843
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.014
And I prepare Tails for memory erasure tests 0.467
When I fill a 128 MiB file with a known pattern on the root filesystem 16.231
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.020
Then patterns cover at least 128 MiB in the guest's memory 2.389 
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 20.705 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 3.525
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:18.171
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 6:34.665
And I prepare Tails for memory erasure tests 1.204
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.123
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.166 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 3.494
After features/support/hooks.rb:100 0.038