Project Number Date
test_Tails_ISO_20635-greeter-threading-fixes 22 07 Nov 2024, 19:56

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 11:51.393 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
25.412
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.424
And I prepare Tails for memory erasure tests 0.485
When I start a process allocating 128 MiB of memory with a known pattern 1.431
Then patterns cover at least 128 MiB in the guest's memory 6.621 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.669
Then I find very few patterns in the guest's memory after 3 seconds 7.779 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 2.041
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.487
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 10.074
And I prepare Tails for memory erasure tests 0.441
And I find very few patterns in the guest's memory 4.390 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.621
Then patterns cover at least 99% of the test FS size in the guest's memory 4.674 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.400
Then I find very few patterns in the guest's memory after 3 seconds 6.884 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 0.980
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.529
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 10.059
And I prepare Tails for memory erasure tests 0.431
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.873
Then I find very few patterns in the guest's memory 3.743 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.065
Then patterns cover at least 75% of the test FS size in the guest's memory 3.643 
Pattern coverage: 88.165% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.031
Then I find very few patterns in the guest's memory after 3 seconds 5.708 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 0.276
And I read the content of the test FS 0.695
Then patterns cover at least 99% of the test FS size in the guest's memory 3.434 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.938
Then I find very few patterns in the guest's memory after 3 seconds 6.628 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 0.992
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.829
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.194
And I prepare Tails for memory erasure tests 0.382
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.816
Then I find very few patterns in the guest's memory 3.158 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.700
Then patterns cover at least 99% of the test FS size in the guest's memory 3.653 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.266
Then I find very few patterns in the guest's memory after 3 seconds 5.825 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 4.648
And I read the content of the test FS 0.526
Then patterns cover at least 99% of the test FS size in the guest's memory 3.032 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.794
Then I find very few patterns in the guest's memory after 3 seconds 5.828 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 0.935
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.755
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 9.039
And I prepare Tails for memory erasure tests 0.411
When I fill a 128 MiB file with a known pattern on the root filesystem 17.485
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.874
Then patterns cover at least 128 MiB in the guest's memory 4.805 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.120 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:326 3.568
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:57.377
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 7:11.627
And I prepare Tails for memory erasure tests 0.441
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.630
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.662 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:326 3.536
After features/support/hooks.rb:100 0.014