Project Number Date
test_Tails_ISO_20635-greeter-threading-fixes 1 25 Oct 2024, 14:51

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 10:58.688 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
25.138
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.110
And I prepare Tails for memory erasure tests 0.506
When I start a process allocating 128 MiB of memory with a known pattern 4.134
Then patterns cover at least 128 MiB in the guest's memory 4.246 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.657
Then I find very few patterns in the guest's memory after 3 seconds 6.483 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 0.874
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.134
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.123
And I prepare Tails for memory erasure tests 0.413
And I find very few patterns in the guest's memory 3.323 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.554
Then patterns cover at least 99% of the test FS size in the guest's memory 3.895 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.483
Then I find very few patterns in the guest's memory after 3 seconds 6.340 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 0.972
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.796
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.145
And I prepare Tails for memory erasure tests 0.405
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.015
Then I find very few patterns in the guest's memory 3.394 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.788
Then patterns cover at least 75% of the test FS size in the guest's memory 3.976 
Pattern coverage: 94.095% (120 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.771
Then I find very few patterns in the guest's memory after 3 seconds 6.154 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 0.418
And I read the content of the test FS 0.589
Then patterns cover at least 99% of the test FS size in the guest's memory 3.684 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.702
Then I find very few patterns in the guest's memory after 3 seconds 6.749 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 0.825
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:23.086
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.986
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" 40.609
Then I find very few patterns in the guest's memory 4.190 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.202
Then patterns cover at least 99% of the test FS size in the guest's memory 3.277 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.067
Then I find very few patterns in the guest's memory after 3 seconds 5.685 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 6.575
And I read the content of the test FS 0.699
Then patterns cover at least 99% of the test FS size in the guest's memory 3.201 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.382
Then I find very few patterns in the guest's memory after 3 seconds 5.796 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 0.889
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.064
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.021
And I prepare Tails for memory erasure tests 0.472
When I fill a 128 MiB file with a known pattern on the root filesystem 14.637
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.965
Then patterns cover at least 128 MiB in the guest's memory 4.165 
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 20.787 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 3.513
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:5.466
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 6:23.051
And I prepare Tails for memory erasure tests 0.440
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.540
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.423 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:326 3.536
After features/support/hooks.rb:100 0.009