Project Number Date
test_Tails_ISO_devel 3615 18 Dec 2024, 12:53

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 11:10.580 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
23.197
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.264
And I prepare Tails for memory erasure tests 0.420
When I start a process allocating 128 MiB of memory with a known pattern 2.508
Then patterns cover at least 128 MiB in the guest's memory 3.272 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.951
Then I find very few patterns in the guest's memory after 3 seconds 5.779 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 0.807
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
30.348
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.352
And I prepare Tails for memory erasure tests 0.415
And I find very few patterns in the guest's memory 2.897 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 4.401
Then patterns cover at least 99% of the test FS size in the guest's memory 3.194 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 4.448
Then I find very few patterns in the guest's memory after 3 seconds 5.637 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 0.790
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.248
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.450
And I prepare Tails for memory erasure tests 0.457
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.101
Then I find very few patterns in the guest's memory 2.572 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.741
Then patterns cover at least 75% of the test FS size in the guest's memory 2.946 
Pattern coverage: 89.359% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.746
Then I find very few patterns in the guest's memory after 3 seconds 6.064 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 0.234
And I read the content of the test FS 0.590
Then patterns cover at least 99% of the test FS size in the guest's memory 3.960 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.836
Then I find very few patterns in the guest's memory after 3 seconds 6.543 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 0.855
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.776
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.131
And I prepare Tails for memory erasure tests 0.504
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.624
Then I find very few patterns in the guest's memory 3.311 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.796
Then patterns cover at least 99% of the test FS size in the guest's memory 2.768 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.920
Then I find very few patterns in the guest's memory after 3 seconds 5.340 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# read cache
When I mount the USB drive again 9.504
And I read the content of the test FS 0.767
Then patterns cover at least 99% of the test FS size in the guest's memory 2.682 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.072
Then I find very few patterns in the guest's memory after 3 seconds 5.352 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 1.305
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.957
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.747
And I prepare Tails for memory erasure tests 0.393
When I fill a 128 MiB file with a known pattern on the root filesystem 15.668
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.881
Then patterns cover at least 128 MiB in the guest's memory 2.492 
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 20.758 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 3.510
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:19.052
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 6:33.728
And I prepare Tails for memory erasure tests 0.981
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.226
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.103 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:326 3.804
After features/support/hooks.rb:100 0.032