Project Number Date
test_Tails_ISO_devel 3627 30 Dec 2024, 12:26

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 11:34.325 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
24.010
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.796
And I prepare Tails for memory erasure tests 0.746
When I start a process allocating 128 MiB of memory with a known pattern 5.149
Then patterns cover at least 128 MiB in the guest's memory 3.317 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.231
Then I find very few patterns in the guest's memory after 3 seconds 5.768 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 0.938
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.115
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.176
And I prepare Tails for memory erasure tests 0.443
And I find very few patterns in the guest's memory 2.803 
Pattern coverage: 0.000% (0 MiB out of 918 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.119
Then patterns cover at least 99% of the test FS size in the guest's memory 3.069 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.024
Then I find very few patterns in the guest's memory after 3 seconds 6.476 
Pattern coverage: 0.000% (0 MiB out of 918 MiB reference memory)
After features/support/hooks.rb:326 2.410
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.684
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.429
And I prepare Tails for memory erasure tests 0.428
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.066
Then I find very few patterns in the guest's memory 3.941 
Pattern coverage: 0.000% (0 MiB out of 920 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.188
Then patterns cover at least 75% of the test FS size in the guest's memory 4.915 
Pattern coverage: 96.724% (123 MiB out of 127 MiB reference memory)
When I umount the USB drive 5.646
Then I find very few patterns in the guest's memory after 3 seconds 6.711 
Pattern coverage: 0.000% (0 MiB out of 920 MiB reference memory)
# read cache
When I mount the USB drive again 0.366
And I read the content of the test FS 1.366
Then patterns cover at least 99% of the test FS size in the guest's memory 3.895 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.258
Then I find very few patterns in the guest's memory after 3 seconds 6.468 
Pattern coverage: 0.000% (0 MiB out of 920 MiB reference memory)
After features/support/hooks.rb:326 0.860
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.969
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.997
And I prepare Tails for memory erasure tests 0.397
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.685
Then I find very few patterns in the guest's memory 3.027 
Pattern coverage: 0.000% (0 MiB out of 919 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.066
Then patterns cover at least 99% of the test FS size in the guest's memory 3.370 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.850
Then I find very few patterns in the guest's memory after 3 seconds 5.991 
Pattern coverage: 0.000% (0 MiB out of 919 MiB reference memory)
# read cache
When I mount the USB drive again 6.080
And I read the content of the test FS 0.493
Then patterns cover at least 99% of the test FS size in the guest's memory 3.115 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.524
Then I find very few patterns in the guest's memory after 3 seconds 5.367 
Pattern coverage: 0.000% (0 MiB out of 919 MiB reference memory)
After features/support/hooks.rb:326 3.599
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.033
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.211
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 15.524
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.639
Then patterns cover at least 128 MiB in the guest's memory 2.487 
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 20.688 
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 0.000
Tags: @product @slow @not_release_blocker
7:43.512
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 6:53.585
And I prepare Tails for memory erasure tests 0.858
When I fill a 128 MiB file with a known pattern on the persistent filesystem 27.906
When I trigger shutdown 0.022
Then I find very few patterns in the guest's memory after 20 seconds 21.139 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 3.534
After features/support/hooks.rb:100 0.011