Project Number Date
test_Tails_ISO_stable 5023 13 Aug 2024, 08:31

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 11:27.228 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
22.191
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.295
And I prepare Tails for memory erasure tests 0.497
When I start a process allocating 128 MiB of memory with a known pattern 2.417
Then patterns cover at least 128 MiB in the guest's memory 3.456 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.144
Then I find very few patterns in the guest's memory after 3 seconds 6.379 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 1.739
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.931
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.373
And I prepare Tails for memory erasure tests 0.514
And I find very few patterns in the guest's memory 2.810 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.078
Then patterns cover at least 99% of the test FS size in the guest's memory 3.314 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.949
Then I find very few patterns in the guest's memory after 3 seconds 5.890 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
After features/support/hooks.rb:326 1.195
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.235
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.064
And I prepare Tails for memory erasure tests 0.420
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.992
Then I find very few patterns in the guest's memory 2.896 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.831
Then patterns cover at least 75% of the test FS size in the guest's memory 4.631 
Pattern coverage: 94.903% (121 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.068
Then I find very few patterns in the guest's memory after 3 seconds 6.501 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
# read cache
When I mount the USB drive again 0.269
And I read the content of the test FS 1.149
Then patterns cover at least 99% of the test FS size in the guest's memory 4.053 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.681
Then I find very few patterns in the guest's memory after 3 seconds 6.675 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
After features/support/hooks.rb:326 1.470
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.937
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.587
And I prepare Tails for memory erasure tests 0.524
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.624
Then I find very few patterns in the guest's memory 2.855 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.813
Then patterns cover at least 99% of the test FS size in the guest's memory 2.775 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.795
Then I find very few patterns in the guest's memory after 3 seconds 5.406 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 8.754
And I read the content of the test FS 0.484
Then patterns cover at least 99% of the test FS size in the guest's memory 2.816 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.994
Then I find very few patterns in the guest's memory after 3 seconds 5.504 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 1.279
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.273
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.244
And I prepare Tails for memory erasure tests 0.547
When I fill a 128 MiB file with a known pattern on the root filesystem 13.096
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.917
Then patterns cover at least 128 MiB in the guest's memory 3.731 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.724 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:326 3.490
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:45.659
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 7:1.471
And I prepare Tails for memory erasure tests 0.425
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.585
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.165 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 3.543
After features/support/hooks.rb:100 0.011